SEC Form SC 13G filed by Lantheus Holdings Inc.

11/14/24 8:21:14 PM ET

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SC 13G 1 lnth_13g.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. ) ^*

Lantheus Holdings, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

46489V104

(Cusip Number)

November 8, 2024

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

	☐	Rule 13d-1(b)
	☒	Rule 13d-1(c)
	☐	Rule 13d-1(d)

^* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on following pages)

Page 1 of 34 Pages

Exhibit Index Found on Page 33

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital Partners, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION California
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 367,432
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 367,432
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 367,432
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.5%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 2 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital Institutional Partners, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION California
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 403,144
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 403,144
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 403,144
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 3 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital Institutional Partners II, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION California
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 95,716
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 95,716
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 95,716
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 4 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital Institutional Partners III, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 46,059
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 46,059
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 46,059
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 5 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Four Crossings Institutional Partners V, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 76,530
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 76,530
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 76,530
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 6 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital Offshore Investors II, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 830,013
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 830,013
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 830,013
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.2%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 7 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital (AM) Investors, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 54,240
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 54,240
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 54,240
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 8 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Capital F5 Master I, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 135,670
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 135,670
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 135,670
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.2%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 9 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Healthcare Partners Master, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 3,055,423
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 3,055,423
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,055,423
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.4%
12	TYPE OF REPORTING PERSON (See Instructions) PN

Page 10 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Partners, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 4,928,557
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 4,928,557
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,928,557
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1%
12	TYPE OF REPORTING PERSON (See Instructions) OO

Page 11 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Institutional (GP) V, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 76,530
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 76,530
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 76,530
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1%
12	TYPE OF REPORTING PERSON (See Instructions) OO

Page 12 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon F5 (GP), L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 135,670
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 135,670
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 135,670
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.2%
12	TYPE OF REPORTING PERSON (See Instructions) OO

Page 13 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Farallon Healthcare Partners (GP), L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 3,055,423
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 3,055,423
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,055,423
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.4%
12	TYPE OF REPORTING PERSON (See Instructions) OO

Page 14 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Joshua J. Dapice
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 15 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Philip D. Dreyfuss
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 16 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Hannah E. Dunn
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 17 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Richard B. Fried
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 18 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Varun N. Gehani
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 19 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Nicolas Giauque
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION France
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 20 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS David T. Kim
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 21 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Michael G. Linn
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 22 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Rajiv A. Patel
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 23 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Thomas G. Roberts, Jr.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 24 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Edric C. Saito
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 25 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS William Seybold
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 26 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Daniel S. Short
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 27 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Andrew J. M. Spokes
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United Kingdom
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 28 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS John R. Warren
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 29 of 34 Pages

13G

CUSIP No. 46489V104

1	NAMES OF REPORTING PERSONS Mark C. Wehrly
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ] The reporting persons making this filing hold an aggregate of 5,064,227 Shares, which is 7.3% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER -0-
		6	SHARED VOTING POWER 5,064,227
		7	SOLE DISPOSITIVE POWER -0-
		8	SHARED DISPOSITIVE POWER 5,064,227
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,064,227
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ]
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.3%
12	TYPE OF REPORTING PERSON (See Instructions) IN

Page 30 of 34 Pages

Item 1. Issuer

(a) Name of Issuer:

Lantheus Holdings, Inc. (the “Company”)

(b) Address of Issuer’s Principal Executive Offices:

201 Burlington Road, South Building, Bedford, MA 01730

Item 2. Identity and Background

Title of Class of Securities and CUSIP Number (Items 2(d) and (e))

This statement relates to shares of Common Stock, par value $0.01 per share (the “Shares”) of the Company. The CUSIP number of the Shares is 46489V104.

Name of Persons Filing, Address of Principal Business Office and Citizenship (Items 2(a), (b) and (c))

This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the “Reporting Persons.”

The Farallon Funds

(i)	Farallon Capital Partners, L.P., a California limited partnership (“FCP”), with respect to the Shares held by it;

(ii)	Farallon Capital Institutional Partners, L.P., a California limited partnership (“FCIP”), with respect to the Shares held by it;

(iii)

Farallon Capital Institutional Partners II, L.P., a California limited partnership (“FCIP II”), with respect to the Shares held by it;

(iv)	Farallon Capital Institutional Partners III, L.P., a Delaware limited partnership (“FCIP III”), with respect to the Shares held by it;

(v)	Four Crossings Institutional Partners V, L.P., a Delaware limited partnership (“FCIP V”), with respect to the Shares held by it;

(vi)	Farallon Capital Offshore Investors II, L.P., a Cayman Islands exempted limited partnership (“FCOI II”), with respect to the Shares held by it;

(vii)

Farallon Capital (AM) Investors, L.P., a Delaware limited partnership (“FCAMI”), with respect to the Shares held by it;

(viii)

Farallon Capital F5 Master I, L.P., a Cayman Islands exempted limited partnership (“F5MI”), with respect to the Shares held by it; and

(ix)	Farallon Healthcare Partners Master, L.P., a Cayman Islands exempted limited partnership (“FHPM”), with respect to the Shares held by it.

FCP, FCIP, FCIP II, FCIP III, FCIP V, FCOI II, FCAMI, F5MI and FHPM are together referred to herein as the “Farallon Funds.”

The Farallon General Partner

(x)

Farallon Partners, L.L.C., a Delaware limited liability company (the “Farallon General Partner”), which is the general partner of each of FCP, FCIP, FCIP II, FCIP III, FCOI II and FCAMI and the sole member of each of the FCIP V General Partner (as defined below) and the FHPM General Partner (as defined below), with respect to the Shares held by each of the Farallon Funds other than F5MI.

The FCIP V General Partner

(xi)	Farallon Institutional (GP) V, L.L.C., a Delaware limited liability company (the “FCIP V General Partner”), which is the general partner of FCIP V, with respect to the Shares held by FCIP V.

The F5MI General Partner

(xii)

Farallon F5 (GP), L.L.C., a Delaware limited liability company (the “F5MI General Partner”), which is the general partner of F5MI, with respect to the Shares held by F5MI.

The FHPM General Partner

(xiii)

Farallon Healthcare Partners (GP), L.L.C., a Delaware limited liability company (the “FHPM General Partner”), which is the general partner of FHPM, with respect to the Shares held by FHPM.

The Farallon Individual Reporting Persons

(xiv)

The following persons, each of whom is a managing member or senior managing member, as the case may be, of the Farallon General Partner and a manager or senior manager, as the case may be, of the FCIP V General Partner, the F5MI General Partner and the FHPM General Partner, with respect to the Shares held by the Farallon Funds: Joshua J. Dapice (“Dapice”); Philip D. Dreyfuss (“Dreyfuss”); Hannah E. Dunn (“Dunn”); Richard B. Fried (“Fried”); Varun N. Gehani (“Gehani”); Nicolas Giauque (“Giauque”); David T. Kim (“Kim”); Michael G. Linn (“Linn”); Rajiv A. Patel (“Patel”); Thomas G. Roberts, Jr. (“Roberts”); Edric C. Saito (“Saito”); William Seybold (“Seybold”); Daniel S. Short (“Short”);Andrew J. M. Spokes (“Spokes”); John R. Warren (“Warren”); and Mark C. Wehrly (“Wehrly”).

Dapice, Dreyfuss, Dunn, Fried, Gehani, Giauque, Kim, Linn, Patel, Roberts, Saito, Seybold, Short, Spokes, Warren and Wehrly are together referred to herein as the “Farallon Individual Reporting Persons.”

The citizenship of each of the Farallon Funds, the Farallon General Partner, the FCIP V General Partner, the F5MI General Partner and the FHPM General Partner is set forth above. Each of the Farallon Individual Reporting Persons, other than Giauque and Spokes, is a citizen of the United States. Giauque is a citizen of France. Spokes is a citizen of the United Kingdom. The address of the principal business office of each of the Reporting Persons is c/o Farallon Capital Management, L.L.C., One Maritime Plaza, Suite 2100, San Francisco, California 94111.

Item 3.

If This Statement Is Filed Pursuant to Sections 240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing Is an Entity Specified in (a) - (k):

Not applicable.

Item 4. Ownership

The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.

The Shares reported hereby for the Farallon Funds are owned directly by the Farallon Funds. The Farallon General Partner, as general partner of FCP, FCIP, FCIP II, FCIP III, FCOI II and FCAMI and the sole member of the FCIP V General Partner and the FHPM General Partner, may be deemed to be a beneficial owner of all such Shares owned by the Farallon Funds other than F5MI. The FCIP V General Partner, as general partner of FCIP V, may be deemed to be a beneficial owner of all such Shares owned by FCIP V. The F5MI General Partner, as general partner of F5MI, may be deemed to be a beneficial owner of all such Shares owned by F5MI. The FHPM General Partner, as general partner of FHPM, may be deemed to be a beneficial owner of all such Shares owned by FHPM. Each of the Farallon Individual Reporting Persons, as a managing member or senior managing member, as the case may be, of the Farallon General Partner and a manager or senior manager, as the case may be, of the FCIP V General Partner, the F5MI General Partner and the FHPM General Partner, in each case with the power to exercise investment discretion, may be deemed to be a beneficial owner of all such Shares owned by the Farallon Funds. Each of the Farallon General Partner, the FCIP V General Partner, the F5MI General Partner, the FHPM General Partner and the Farallon Individual Reporting Persons hereby disclaims any beneficial ownership of any such Shares.

Item 5. Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof each of the Reporting Persons has ceased to be a beneficial owner of more than five percent of the class of securities, check the following: □

Item 6. Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person

Not applicable.

Item 8.

Identification and Classification of Members of the Group

The Reporting Persons are filing this Schedule 13G pursuant to Section 240.13d-1(c). Consistent with Item 2 of the cover page for each Reporting Person above, the Reporting Persons neither disclaim nor affirm the existence of a group among them.

Item 9. Notice of Dissolution of Group

Not applicable.

Item 10. Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under §240.14a-11.

Page 31 of 34 Pages

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Dated: November 14, 2024

	/s/ Hannah E. Dunn
	FARALLON PARTNERS, L.L.C.,
	On its own behalf and
	As the General Partner of
	FARALLON CAPITAL PARTNERS, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS II, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS III, L.P.,
	FARALLON CAPITAL OFFSHORE INVESTORS II, L.P. and
	FARALLON CAPITAL (AM) INVESTORS, L.P.
	By Hannah E. Dunn, Managing Member

	/s/ Hannah E. Dunn
	FARALLON INSTITUTIONAL (GP) V, L.L.C.
	On its own behalf and
	As the General Partner of
	FOUR CROSSINGS INSTITUTIONAL PARTNERS V, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	FARALLON F5 (GP), L.L.C.
	On its own behalf and
	As the General Partner of
	FARALLON CAPITAL F5 MASTER I, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	FARALLON HEALTHCARE PARTNERS (GP), L.L.C.
	On its own behalf and
	As the General Partner of
	FARALLON HEALTHCARE PARTNERS MASTER, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	Hannah E. Dunn, individually and as attorney-in-fact for each of Joshua J. Dapice, Philip D. Dreyfuss, Richard B. Fried, Varun N. Gehani, Nicolas Giauque, David T. Kim, Michael G. Linn, Rajiv A. Patel, Thomas G. Roberts, Jr., Edric C. Saito, William Seybold, Daniel S. Short, Andrew J. M. Spokes, John R. Warren and Mark C. Wehrly

The Powers of Attorney executed by each of Dapice, Dreyfuss, Fried, Gehani, Giauque, Kim, Linn, Patel, Roberts, Saito, Seybold, Short, Spokes, Warren and Wehrly authorizing Dunn to sign and file this Schedule 13G on his behalf, which were filed as exhibits to the Schedule 13G filed with the Securities and Exchange Commission on January 31, 2023 by such Reporting Persons with respect to the Class A Ordinary Shares of ARYA Sciences Acquisition Corp IV, are hereby incorporated by reference.

Page 32 of 34 Pages

EXHIBIT INDEX

EXHIBIT 1

Joint Acquisition Statement Pursuant to Section 240.13d-1(k)

Page 33 of 34 Pages

EXHIBIT 1

SCHEDULE 13G

JOINT ACQUISITION STATEMENT

PURSUANT TO SECTION 240.13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is inaccurate.

Dated: November 14, 2024

	/s/ Hannah E. Dunn
	FARALLON PARTNERS, L.L.C.,
	On its own behalf and
	As the General Partner of
	FARALLON CAPITAL PARTNERS, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS II, L.P.,
	FARALLON CAPITAL INSTITUTIONAL PARTNERS III, L.P.,
	FARALLON CAPITAL OFFSHORE INVESTORS II, L.P. and
	FARALLON CAPITAL (AM) INVESTORS, L.P.
	By Hannah E. Dunn, Managing Member

	/s/ Hannah E. Dunn
	FARALLON INSTITUTIONAL (GP) V, L.L.C.
	On its own behalf and
	As the General Partner of
	FOUR CROSSINGS INSTITUTIONAL PARTNERS V, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	FARALLON F5 (GP), L.L.C.
	On its own behalf and
	As the General Partner of
	FARALLON CAPITAL F5 MASTER I, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	FARALLON HEALTHCARE PARTNERS (GP), L.L.C.
	On its own behalf and
	As the General Partner of
	FARALLON HEALTHCARE PARTNERS MASTER, L.P.
	By Hannah E. Dunn, Manager

	/s/ Hannah E. Dunn
	Hannah E. Dunn, individually and as attorney-in-fact for each of Joshua J. Dapice, Philip D. Dreyfuss, Richard B. Fried, Varun N. Gehani, Nicolas Giauque, David T. Kim, Michael G. Linn, Rajiv A. Patel, Thomas G. Roberts, Jr., Edric C. Saito, William Seybold, Daniel S. Short, Andrew J. M. Spokes, John R. Warren and Mark C. Wehrly

Page 34 of 34 Pages

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Date	Price Target	Rating	Analyst
12/18/2024	$143.00	Buy	Goldman
9/3/2024	$175.00	Buy	Redburn Atlantic
7/10/2024	$100.00 → $130.00	Mkt Outperform	JMP Securities
12/18/2023		Outperform → Mkt Perform	William Blair
12/4/2023	$100.00	Outperform	TD Cowen
9/29/2023		Outperform	William Blair
3/8/2023	$120.00	Mkt Outperform	JMP Securities
11/30/2022		Outperform	SVB Leerink

SEC Form SC 13G filed by Lantheus Holdings Inc.

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