Sec Form 3 Filing - MAGNETAR STRUCTURED CREDIT FUND LP @ CoreWeave, Inc. - 2025-03-27

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person MAGNETAR STRUCTURED CREDIT FUND LP 2. Issuer Name and Ticker or Trading Symbol CoreWeave, Inc. [ CRWV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1603 ORRINGTON AVENUE, 13TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/27/2025 (Street) EVANSTON, IL60201 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 11,732,080 D ( 1 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Penny Warrant (right to buy) $ 0.0005 ( 2 ) 11/15/2022 11/15/2029 Class A Common Stock 112,424 ( 2 ) D ( 3 ) Penny Warrant (right to buy) $ 0.0005 ( 2 ) 01/19/2023 10/17/2029 Class A Common Stock 149,901 ( 2 ) D ( 3 ) Penny Warrant (right to buy) $ 0.0005 ( 2 ) 04/20/2023 04/20/2030 Class A Common Stock 93,687 ( 2 ) D ( 3 ) Penny Warrant (right to buy) $ 0.0005 ( 2 ) 10/17/2022 10/17/2029 Class A Common Stock 112,424 ( 2 ) D ( 3 ) Warrant (right to buy) $ 1.5495 ( 4 ) 10/17/2022 10/17/2029 Class A Common Stock 62,457 ( 4 ) D ( 5 ) Warrant (right to buy) $ 1.5495 ( 4 ) 11/15/2022 11/15/2029 Class A Common Stock 62,457 ( 4 ) D ( 5 ) Warrant (right to buy) $ 1.5495 ( 4 ) 01/19/2023 10/17/2029 Class A Common Stock 83,280 ( 4 ) D ( 5 ) Warrant (right to buy) $ 1.5495 ( 4 ) 04/20/2023 04/20/2030 Class A Common Stock 52,048 ( 4 ) D ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MAGNETAR STRUCTURED CREDIT FUND LP 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON, IL60201 X Signatures /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 the Sole Member of Magnetar Financial LLC, the general partner of MSCF 03/27/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Magnetar Structured Credit Fund, LP ("MSCF") disclaims beneficial ownership of these shares of the Class A common stock ("Common Stock") of CoreWeave, Inc. (the "Issuer"), except to the extent of its pecuniary interest therein. ( 2 )Pursuant to the terms of the Penny Warrants, the number of shares for which the Penny Warrants are exercisable may be adjusted for stock splits, share combinations or dividends made by the Issuer on shares of Common Stock, a reorganization, consolidation or merger of the Issuer and similar adjustments. ( 3 )MSCF disclaims beneficial ownership of the Penny Warrants and shares of Common Stock issuable upon conversion of such Penny Warrants, except to the extent of its pecuniary interest therein. ( 4 )Pursuant to the terms of the Warrants, the number of shares for which the Warrants are exercisable may be adjusted for stock splits, share combinations or dividends made by the Issuer on the Common Stock, a reorganization, consolidation or merger of the Issuer and similar adjustments. ( 5 )MSCF disclaims beneficial ownership of the Warrants and shares of Common Stock issuable upon conversion of such Warrants, except to the extent of its pecuniary interest therein.

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 4(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).

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