Magnetar Financial LLC - 31 Mar 2025 Form 4 Insider Report for CoreWeave, Inc. (CRWV)

Reporting relationship: 10%+ Owner
Issuer ticker: CRWV
Reported as of: 31 Mar 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Apr 2025, 21:03:33 UTC
Prior SEC filing: 18 Jun 2025
Next SEC filing: 19 Aug 2025
Source filing: View source filing
Reporting owner signature: /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...

Open signature details

/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

Key filing fact

Magnetar Financial LLC filed Form 4 for CoreWeave, Inc. (CRWV) on 01 Apr 2025.

Key facts

This page summarizes Magnetar Financial LLC's Form 4 filing for CoreWeave, Inc. (CRWV).
30 reported transactions and 15 derivative rows are listed below.
Accepted by SEC: 01 Apr 2025, 21:03.

Change

Previous filing in this sequence was filed on 18 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +6,528,260
Change %
Price
Shares after: 6,528,260
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F5

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +5,118,220
Change %
Price
Shares after: 5,118,220
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F6

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +2,021,480
Change %
Price
Shares after: 2,021,480
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F7

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +9,102,460
Change %: +843%
Price
Shares after: 10,182,360
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F8

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +1,161,280
Change %: +35%
Price
Shares after: 4,523,780
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F9

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +645,160
Change %: +119%
Price
Shares after: 1,185,100
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F10

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +1,354,820
Change %: +17%
Price
Shares after: 9,184,380
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F11

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +2,537,600
Change %
Price
Shares after: 2,537,600
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F12

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +301,060
Change %
Price
Shares after: 301,060
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F13

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +1,937,420
Change %: +300%
Price
Shares after: 2,582,200
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F14

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +29,545,300
Change %
Price
Shares after: 29,545,300
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F15

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +649,029
Change %: +9.9%
Price
Shares after: 7,177,289
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F5

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +99,424
Change %: +33%
Price
Shares after: 400,484
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F13

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +1,835,407
Change %: +71%
Price
Shares after: 4,417,607
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F14

CRWV transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +6,502,368
Change %: +504%
Price
Shares after: 7,792,568
Date: 31 Mar 2025
Ownership: Footnotes
Footnotes: F1, F2, F3, F4, F16

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -6,528,260
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 6,528,260
Exercise price
Footnotes: F1, F2, F3, F4, F5

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -5,118,220
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 5,118,220
Exercise price
Footnotes: F1, F2, F3, F4, F6

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -2,021,480
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 2,021,480
Exercise price
Footnotes: F1, F2, F3, F4, F7

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -9,102,460
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 9,102,460
Exercise price
Footnotes: F1, F2, F3, F4, F8

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -1,161,280
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 1,161,280
Exercise price
Footnotes: F1, F2, F3, F4, F9

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -645,160
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 645,160
Exercise price
Footnotes: F1, F2, F3, F4, F10

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -1,354,820
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 1,354,820
Exercise price
Footnotes: F1, F2, F3, F4, F11

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -2,537,600
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 2,537,600
Exercise price
Footnotes: F1, F2, F3, F4, F12

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -301,060
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 301,060
Exercise price
Footnotes: F1, F2, F3, F4, F13

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -1,937,420
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 1,937,420
Exercise price
Footnotes: F1, F2, F3, F4, F14

CRWV transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -29,545,300
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 29,545,300
Exercise price
Footnotes: F1, F2, F3, F4, F15

CRWV transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -649,029
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 649,029
Exercise price
Footnotes: F1, F2, F3, F4, F5

CRWV transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -99,424
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 99,424
Exercise price
Footnotes: F1, F2, F3, F4, F13

CRWV transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -1,835,407
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 1,835,407
Exercise price
Footnotes: F1, F2, F3, F4, F14

CRWV transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -6,502,368
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 31 Mar 2025
Ownership: Footnotes
Underlying class: Class A Common Stock
Underlying amount: 6,502,368
Exercise price
Footnotes: F1, F2, F3, F4, F16

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 16 footnotes

Footnote F1

The Series B Preferred Stock and Series C Preferred Stock (together with the Series B Preferred Stock, the "Preferred Stock") had no expiration date. All shares of Preferred Stock automatically converted into Class A common stock (the "Common Stock") of CoreWeave, Inc. (the "Issuer") on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering of its Common Stock.

Footnote F2

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").

Footnote F3

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.

Footnote F4

Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein.

Footnote F5

These securities are held directly by Magnetar Constellation Master Fund Ltd.

Footnote F6

These securities are held directly by Magnetar Xing He Master Fund Ltd.

Footnote F7

These securities are held directly by Magnetar SC Fund Ltd.

Footnote F8

These securities are held directly by Magnetar Longhorn Fund LP.

Footnote F9

These securities are held directly by Purpose Alternative Credit Fund - F LLC.

Footnote F10

These securities are held directly by Purpose Alternative Credit Fund - T LLC.

Footnote F11

These securities are held directly by Magnetar Lake Credit Fund LLC.

Footnote F12

These securities are held directly by Magnetar Alpha Star Fund LLC.

Footnote F13

These securities are held directly by Magnetar Capital Master Fund.

Footnote F14

These securities are held directly by Longhorn Special Opportunities Fund LP.

Footnote F15

These securities are held directly by CW Opportunity LLC.

Footnote F16

These securities are held directly by CW Opportunity 2 LP.

SEC remarks

A joint filing agreement was filed as Exhibit 99.1 to the Form 3 jointly filed with the SEC by the Reporting Persons on March 27, 2025 and is incorporated by reference herein.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .