SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

Infleqtion, Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

45676K103

(CUSIP Number)

Maverick Capital, Ltd.
Attn: Legal Department, 1900 N. Pearl Street, 20th Floor
Dallas, TX, 75201
(214) 880-4000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

05/21/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on 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).

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

MCV Management Company, LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Capital Management, LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

TEXAS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Ventures Investment Fund, L.P.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 4,953,692.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 4,953,692.00

Aggregate amount beneficially owned by each reporting person

4,953,692.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

2.3 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Advisors Fund, L.P.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 3,115,342.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 3,115,342.00

Aggregate amount beneficially owned by each reporting person

3,115,342.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

1.4 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Capital Ventures, LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Silicon Fund, L.P.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Fund USA, Ltd.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

TEXAS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Designated Investments Fund, L.P.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Long Fund, Ltd.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Long Enhanced Fund, Ltd.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Fund II, Ltd.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Capital, Ltd.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

TEXAS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Lee S. Ainslie III

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

David B. Singer

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,069,034.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,069,034.00

Aggregate amount beneficially owned by each reporting person

8,069,034.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

3.6 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

45676K103

Name of reporting person

Maverick Silicon, L.P.

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

0.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

0 %

Type of Reporting Person (See Instructions)

PN, IA

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Common Stock, $0.0001 par value per share

(b)

Name of Issuer:

Infleqtion, Inc.

(c)

Address of Issuer's Principal Executive Offices:

1315 West Century Drive, Suite 150, Louisville, COLORADO , 80027.

Item 5.

Interest in Securities of the Issuer

(a)

Item 5 of the Schedule 13D is amended and supplemented as follows: The information set forth in rows 11 and 13 of the cover pages to this Schedule 13D is incorporated by reference. The percentages set forth in row 13 are based on 218,196,891 Shares outstanding as of May 12, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 15, 2026, and assume the exercise of options beneficially owned by certain of the Reporting Persons for an aggregate of 34,740 Shares. Mr. Singer holds options immediately exercisable for 34,740 Shares. Maverick Ventures Fund has the right to receive the director compensation provided in respect of Mr. Singer's board service through a management fee offset.

(b)

The information set forth in rows 7 through 10 of the cover pages to this Schedule 13D is incorporated by reference.

(c)

Except as set forth on Schedule A attached hereto, none of the Reporting Persons has effected any transactions of securities of the Issuer during the past 60 days.

(d)

No person other than the Reporting Persons disclosed in this Schedule 13D is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Shares subject to this Schedule 13D.

(e)

As of May 22, 2026, each of the Reporting Persons has ceased to be the beneficial owner of more than five percent of outstanding Shares of the Issuer.

Item 7.

Material to be Filed as Exhibits.

Item 7 of the Schedule 13D is amended and supplemented as follows: Exhibit 99.4 Schedule A

SIGNATURE

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

MCV Management Company, LLC

Signature:	By Maverick Capital, Ltd.
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Capital Management, LLC

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Ventures Investment Fund, L.P.

Signature:	By Maverick Capital Ventures, LLC
Name/Title:	its General partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Managing Partner
Date:	05/26/2026

Maverick Advisors Fund, L.P.

Signature:	By Maverick Capital Ventures, LLC
Name/Title:	its General partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Managing Partner
Date:	05/26/2026

Maverick Capital Ventures, LLC

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Managing Partner
Date:	05/26/2026

Maverick Silicon Fund, L.P.

Signature:	By Maverick Silicon Fund GP, LLC
Name/Title:	its general partner
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its Managing Member
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Fund USA, Ltd.

Signature:	By Maverick Capital Ltd
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Designated Investments Fund, L.P.

Signature:	By Maverick Capital Ltd
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Long Fund, Ltd.

Signature:	By Maverick Capital Ltd
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Long Enhanced Fund, Ltd.

Signature:	By Maverick Capital, Ltd
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Fund II, Ltd.

Signature:	By Maverick Capital, Ltd
Name/Title:	its Manager
Date:	05/26/2026

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Maverick Capital, Ltd.

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Lee S. Ainslie III

Signature:	/s/ Trevor Wiessmann*
Name/Title:	Lee S. Ainslie III
Date:	05/26/2026

David B. Singer

Signature:	/s/ Trevor Wiessmann**
Name/Title:	David B. Singer
Date:	05/26/2026

Maverick Silicon, L.P.

Signature:	By Maverick Capital Management, LLC
Name/Title:	its General Partner
Date:	05/26/2026

Signature:	/s/ Trevor Wiessmann*
Name/Title:	By: Lee S. Ainslie III, Manager
Date:	05/26/2026

Comments accompanying signature:

*Under Power of Attorney dated March 15, 2018; **Under Power of Attorney dated January 28, 2026

Amendment: SEC Form SCHEDULE 13D/A filed by Infleqtion Inc.