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    Amendment: SEC Form 3 filed by new insider Magnetar Financial Llc

    6/18/25 4:52:33 PM ET
    $CRWV
    Computer Software: Prepackaged Software
    Technology
    Get the next $CRWV alert in real time by email
    SEC FORM 3/A SEC Form 3
    FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0104
    Estimated average burden
    hours per response: 0.5
    1. Name and Address of Reporting Person*
    Magnetar Financial LLC

    (Last) (First) (Middle)
    1603 ORRINGTON AVENUE
    13TH FLOOR

    (Street)
    EVANSTON IL 60201

    (City) (State) (Zip)
    2. Date of Event Requiring Statement (Month/Day/Year)
    03/27/2025
    3. Issuer Name and Ticker or Trading Symbol
    CoreWeave, Inc. [ CRWV ]
    4. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    5. If Amendment, Date of Original Filed (Month/Day/Year)
    03/27/2025
    6. Individual or Joint/Group Filing (Check Applicable Line)
    Form filed by One Reporting Person
    X Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Beneficially Owned
    1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
    Table II - Derivative Securities Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
    Date Exercisable Expiration Date Title Amount or Number of Shares
    Right to Purchase 03/27/2025 03/27/2026 Class A Common Stock 179,250(1) $40 I See Footnotes(2)(3)(4)(5)
    Right to Purchase 03/27/2025 03/27/2026 Class A Common Stock 16,500(1) $40 I See Footnotes(2)(3)(4)(6)
    Right to Purchase 03/27/2025 03/27/2026 Class A Common Stock 51,375(1) $40 I See Footnotes(2)(3)(4)(7)
    Right to Purchase 03/27/2025 03/27/2026 Class A Common Stock 8,250(1) $40 I See Footnotes(2)(3)(4)(8)
    Right to Purchase 03/27/2025 03/27/2026 Class A Common Stock 119,625(1) $40 I See Footnotes(2)(3)(4)(9)
    1. Name and Address of Reporting Person*
    Magnetar Financial LLC

    (Last) (First) (Middle)
    1603 ORRINGTON AVENUE
    13TH FLOOR

    (Street)
    EVANSTON IL 60201

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    Magnetar Capital Partners LP

    (Last) (First) (Middle)
    1603 ORRINGTON AVENUE
    13TH FLOOR

    (Street)
    EVANSTON IL 60201

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    Supernova Management LLC

    (Last) (First) (Middle)
    1603 ORRINGTON AVENUE
    13TH FLOOR

    (Street)
    EVANSTON IL 60201

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    Snyderman David J.

    (Last) (First) (Middle)
    1603 ORRINGTON AVENUE
    13TH FLOOR

    (Street)
    EVANSTON IL 60201

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    Explanation of Responses:
    1. This Form 3/A is being filed to include securities beneficially owned by the reporting persons as of March 27, 2025, which were inadvertently omitted from the original Form 3.
    2. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn Fund LP, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
    3. Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.
    4. Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of the reported securities except to the extent of its or his pecuniary interest therein.
    5. These securities are held directly by Magnetar Structured Credit Fund, LP.
    6. These securities are held directly by Magnetar Longhorn Fund LP.
    7. These securities are held directly by Purpose Alternative Credit Fund - F LLC.
    8. These securities are held directly by Purpose Alternative Credit Fund - T LLC.
    9. These securities are held directly by Magnetar Lake Credit Fund LLC.
    /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP, which is in turn the Sole Member of Magnetar Financial LLC 06/18/2025
    /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP 06/18/2025
    /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC 06/18/2025
    /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman 06/18/2025
    ** Signature of Reporting Person Date
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
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