X0206 3 2025-03-27 0 0001769628 CoreWeave, Inc. CRWV 0001352851 Magnetar Financial LLC 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001353085 Magnetar Capital Partners LP 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001368026 Supernova Management LLC 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001953511 Snyderman David J. 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 Class A Common Stock 11732080 I See Footnotes Class A Common Stock 1079900 I See Footnotes Class A Common Stock 3362500 I See Footnotes Class A Common Stock 539940 I See Footnotes Class A Common Stock 7829560 I See Footnotes Class A Common Stock 644780 I See Footnotes Class A Common Stock 1290200 I See Footnotes Series B Preferred Stock Class A Common Stock 6528260 I See Footnotes Series B Preferred Stock Class A Common Stock 5118220 I See Footnotes Series B Preferred Stock Class A Common Stock 2021480 I See Footnotes Series B Preferred Stock Class A Common Stock 9102460 I See Footnotes Series B Preferred Stock Class A Common Stock 1161280 I See Footnotes Series B Preferred Stock Class A Common Stock 645160 I See Footnotes Series B Preferred Stock Class A Common Stock 1354820 I See Footnotes Series B Preferred Stock Class A Common Stock 2537600 I See Footnotes Series B Preferred Stock Class A Common Stock 301060 I See Footnotes Series B Preferred Stock Class A Common Stock 1937420 I See Footnotes Series B Preferred Stock Class A Common Stock 29545300 I See Footnotes Series C Preferred Stock Class A Common Stock 649029 I See Footnotes Series C Preferred Stock Class A Common Stock 99424 I See Footnotes Series C Preferred Stock Class A Common Stock 1835407 I See Footnotes Series C Preferred Stock Class A Common Stock 6502368 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-10-17 2029-10-17 Class A Common Stock 224848 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-11-15 2029-11-15 Class A Common Stock 224848 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-01-19 2029-10-17 Class A Common Stock 299803 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-04-20 2030-04-20 Class A Common Stock 187375 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-11-15 2029-11-15 Class A Common Stock 112424 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-01-19 2029-10-17 Class A Common Stock 149901 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-04-20 2030-04-20 Class A Common Stock 93687 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-10-17 2029-10-17 Class A Common Stock 112424 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-10-17 2029-10-17 Class A Common Stock 412222 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-11-15 2029-11-15 Class A Common Stock 412222 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-01-19 2029-10-17 Class A Common Stock 549639 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-04-20 2030-04-20 Class A Common Stock 343521 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-10-17 2029-10-17 Class A Common Stock 206111 I See Footnotes Penny Warrant (right to buy) 0.0005 2022-11-15 2029-11-15 Class A Common Stock 206111 I See Footnotes Penny Warrant (right to buy) 0.0005 2023-01-19 2029-10-17 Class A Common Stock 274819 I See Footnotes Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Xing He Master Fund Ltd, Magnetar SC Fund Ltd, Magnetar Longhorn Fund LP, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, Magnetar Capital Master Fund, Longhorn Special Opportunities Fund LP, CW Opportunity LLC and CW Opportunity 2 LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC and Magnetar Alpha Star Fund LLC (collectively, the "Magnetar Funds"). 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. Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman 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 or his pecuniary interest therein. These securities are held directly by Magnetar Structured Credit Fund, LP. These securities are held directly by Magnetar Longhorn Fund LP. These securities are held directly by Purpose Alternative Credit Fund - F LLC. These securities are held directly by Purpose Alternative Credit Fund - T LLC. These securities are held directly by Magnetar Lake Credit Fund LLC. These securities are held directly by Longhorn Special Opportunities Fund LP. These securities are held directly by CW Opportunity 2 LP. The Series B Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") of the Issuer are convertible into shares of Common Stock of the Issuer at the holder's election and have no expiration date. All shares of Preferred Stock will automatically convert into shares of Common Stock immediately prior to the closing of the Issuer's initial public offering of its Common Stock. Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these Preferred Stock and shares of Common Stock issuable upon conversion of such Preferred Stock, except to the extent of its or his pecuniary interest therein. These securities are held directly by Magnetar Constellation Master Fund Ltd. These securities are held directly by Magnetar Xing He Master Fund Ltd. These securities are held directly by Magnetar SC Fund Ltd. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Capital Master Fund. These securities are held directly by CW Opportunity LLC. 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 the Common Stock, a reorganization, consolidation or merger of the Issuer and similar adjustments. Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman 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 or his pecuniary interest therein. This Form 3 is the first of three Form 3s filed relating to the same event. This Form 3 has been split into three filings because there are more than 30 derivative securities beneficially owned, and the SEC's EDGAR filing system limits a single Form 3 to a maximum of 30 rows per table. Combined, the three reports report the holdings for the following reporting persons: Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman. Exhibit 99.1 - Joint Filing Agreement /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 2025-03-27 /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 2025-03-27 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC 2025-03-27 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman 2025-03-27