Magnetar-linked Funds Dispose of 9.2M CRWV Class A Shares

Q: What did Magnetar sell in the CoreWeave (CRWV) Form 4 filed October 2025?

The filing reports multiple sales of Class A common stock on 10/06/2025, reducing holdings across Magnetar-linked entities and reporting at least 9,202,863 shares in an aggregated line.

Q: Which Magnetar entities are named as reporting persons on the CRWV Form 4?

The reporting persons include Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC , and David J. Snyderman (manager).

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Magnetar-linked entities sold multiple blocks of CoreWeave Class A common stock on 10/06/2025, disposing in aggregate at least 9,202,863 shares according to the Form 4 filing. The reported sales were executed in multiple transactions at weighted-average prices ranging roughly from $137.00 to $139.96 per share, with specific weighted averages shown such as $137.34, $139.28, and $139.86. The sellers are a group of related entities (Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC) and an individual manager, who disclaim beneficial ownership except for pecuniary interest; the securities are held directly by multiple Magnetar funds named in the footnotes.

Positive

Full disclosure of transaction prices and multiple fund holders is provided in the Form 4 filing
Detailed footnotes identify each fund that directly holds the sold shares, improving traceability

Negative

Large aggregate dispositions totaling at least 9,202,863 Class A shares on 10/06/2025
Sales executed over multiple prices (weighted averages near $137–$139.86), which may signal staggered exits rather than single strategic rebalancing

Insights

TL;DR: A Magnetar affiliate group executed large, multi-price sales of CoreWeave stock on 10/06/2025, totaling over 9.2M shares.

The transactions show coordinated dispositions by Magnetar-related entities across multiple fund vehicles, reducing reported indirect holdings in several accounts to the amounts listed on the form. Sales were executed at weighted-average prices in the low-to-high $137–$140 range, indicating the activity occurred across several trades rather than a single block.

These sales are material from an ownership-disclosure perspective: the filing lists specific funds that directly hold the shares and includes a total of 9,202,863 Class A shares reported as held after the transactions in one aggregated line. Investors should note the reporting structure: the entities disclaim beneficial ownership except for pecuniary interest and the filings were signed by an attorney-in-fact on 10/07/2025.

Insider Trade Summary

Net Seller: 570,463 shares ($79,447,333)

Net Sell 26 txns

Insider Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner

Sold 570,463 shs ($79.45M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,555	$137.34	$214K
Sale	Class A Common Stock	35,241	$139.28	$4.91M
Sale	Class A Common Stock	1,050	$139.86	$147K
Sale	Class A Common Stock	1,375	$137.23	$189K
Sale	Class A Common Stock	155,132	$139.29	$21.61M
Sale	Class A Common Stock	695	$137.23	$95K
Sale	Class A Common Stock	78,021	$139.29	$10.87M
Sale	Class A Common Stock	180	$137.23	$25K
Sale	Class A Common Stock	20,337	$139.29	$2.83M
Sale	Class A Common Stock	20	$137.23	$3K
Sale	Class A Common Stock	2,103	$139.29	$293K
Sale	Class A Common Stock	405	$137.23	$56K
Sale	Class A Common Stock	45,337	$139.29	$6.31M
Sale	Class A Common Stock	555	$137.23	$76K
Sale	Class A Common Stock	62,242	$139.29	$8.67M
Sale	Class A Common Stock	155	$137.23	$21K
Sale	Class A Common Stock	17,628	$139.29	$2.46M
Sale	Class A Common Stock	590	$137.23	$81K
Sale	Class A Common Stock	66,367	$139.29	$9.24M
Sale	Class A Common Stock	365	$137.23	$50K
Sale	Class A Common Stock	40,902	$139.29	$5.70M
Sale	Class A Common Stock	295	$137.23	$40K
Sale	Class A Common Stock	32,949	$139.29	$4.59M
Sale	Class A Common Stock	60	$137.23	$8K
Sale	Class A Common Stock	6,904	$139.29	$962K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 6,253,409 shares (Indirect, Footnotes)

Footnotes (1)

The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.00 to $137.74, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2, 3 and 4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.64 to $139.60, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.69 to $139.96, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.04 to $137.40, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit 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 Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. These securities are held directly by CW Opportunity 2 LP. These securities are held directly by CW Opportunity LLC. These securities are held directly by Longhorn Special Opportunities Fund LP. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Capital Master Fund, Ltd. These securities are held directly by Magnetar Constellation Master Fund, Ltd. These securities are held directly by Magnetar Lake Credit Fund LLC. These securities are held directly by Magnetar SC Fund Ltd. These securities are held directly by Magnetar Structured Credit Fund, LP. These securities are held directly by Magnetar Xing He Master Fund Ltd. 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 Longhorn Fund LP.

Form 4 Insider Transactions: What Each Field Means →

10/07/2025 - 08:11 PM

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Magnetar Financial LLC

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/06/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	10/06/2025		S		1,555	D	$137.34⁽¹⁾	6,253,409	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽⁸⁾
Class A Common Stock	10/06/2025		S		35,241	D	$139.28⁽²⁾	6,218,168	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽⁸⁾
Class A Common Stock	10/06/2025		S		1,050	D	$139.86⁽³⁾	6,217,118	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽⁸⁾
Class A Common Stock	10/06/2025		S		1,375	D	$137.23⁽⁴⁾	25,199,671	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽⁹⁾
Class A Common Stock	10/06/2025		S		155,132	D	$139.29	25,044,539	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽⁹⁾
Class A Common Stock	10/06/2025		S		695	D	$137.23⁽⁴⁾	3,211,511	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁰⁾
Class A Common Stock	10/06/2025		S		78,021	D	$139.29	3,133,490	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁰⁾
Class A Common Stock	10/06/2025		S		180	D	$137.23⁽⁴⁾	1,967,835	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹¹⁾
Class A Common Stock	10/06/2025		S		20,337	D	$139.29	1,947,498	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹¹⁾
Class A Common Stock	10/06/2025		S		20	D	$137.23⁽⁴⁾	341,572	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹²⁾
Class A Common Stock	10/06/2025		S		2,103	D	$139.29	339,469	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹²⁾
Class A Common Stock	10/06/2025		S		405	D	$137.23⁽⁴⁾	5,907,242	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹³⁾
Class A Common Stock	10/06/2025		S		45,337	D	$139.29	5,861,905	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹³⁾
Class A Common Stock	10/06/2025		S		555	D	$137.23⁽⁴⁾	7,440,768	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁴⁾
Class A Common Stock	10/06/2025		S		62,242	D	$139.29	7,378,526	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁴⁾
Class A Common Stock	10/06/2025		S		155	D	$137.23⁽⁴⁾	1,527,658	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁵⁾
Class A Common Stock	10/06/2025		S		17,628	D	$139.29	1,510,030	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁵⁾
Class A Common Stock	10/06/2025		S		590	D	$137.23⁽⁴⁾	9,872,914	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁶⁾
Class A Common Stock	10/06/2025		S		66,367	D	$139.29	9,806,547	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁶⁾
Class A Common Stock	10/06/2025		S		365	D	$137.23⁽⁴⁾	3,972,412	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁷⁾
Class A Common Stock	10/06/2025		S		40,902	D	$139.29	3,931,510	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁷⁾
Class A Common Stock	10/06/2025		S		295	D	$137.23⁽⁴⁾	3,600,728	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁸⁾
Class A Common Stock	10/06/2025		S		32,949	D	$139.29	3,567,779	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁸⁾
Class A Common Stock	10/06/2025		S		60	D	$137.23⁽⁴⁾	991,715	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁹⁾
Class A Common Stock	10/06/2025		S		6,904	D	$139.29	984,811	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽¹⁹⁾
Class A Common Stock								9,202,863	I	Footnotes⁽⁵⁾⁽⁶⁾⁽⁷⁾⁽²⁰⁾

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

1. Name and Address of Reporting Person^*

Magnetar Financial LLC

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

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

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

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

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. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.00 to $137.74, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2, 3 and 4.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.64 to $139.60, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.69 to $139.96, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.04 to $137.40, inclusive.

5. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").

6. 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.

7. 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.

8. These securities are held directly by CW Opportunity 2 LP.

9. These securities are held directly by CW Opportunity LLC.

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

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

12. These securities are held directly by Magnetar Capital Master Fund, Ltd.

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

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

15. These securities are held directly by Magnetar SC Fund Ltd.

16. These securities are held directly by Magnetar Structured Credit Fund, LP.

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

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

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

20. These securities are held directly by Magnetar Longhorn Fund LP.

	/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	10/07/2025
	/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	10/07/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/07/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/07/2025
	** 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 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).
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.

Source: View Original Filing on SEC EDGAR

FAQ

What did Magnetar sell in the CoreWeave (CRWV) Form 4 filed October 2025?

The filing reports multiple sales of Class A common stock on 10/06/2025, reducing holdings across Magnetar-linked entities and reporting at least 9,202,863 shares in an aggregated line.

At what prices were the CRWV shares sold according to the Form 4?

Reported weighted-average prices for the sales ranged roughly from $137.00 to $139.96, with specific weighted averages shown such as $137.34, $139.28, and $139.86.

Which Magnetar entities are named as reporting persons on the CRWV Form 4?

The reporting persons include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman (manager).

Do the Magnetar entities claim beneficial ownership of the sold shares?

The filing states each Magnetar Fund and the related entities disclaim beneficial ownership of the shares except to the extent of their pecuniary interest, and the footnotes specify which fund directly holds each block.

When was the Form 4 signed and filed?

The signatures on the filing are dated 10/07/2025, executed by an attorney-in-fact for the reporting persons.

Magnetar-linked Funds Dispose of 9.2M CRWV Class A Shares

Rhea-AI Filing Summary

Positive

Negative

Insights

Institutional Investor Relations Analyst positive

Insider Trade Summary

FAQ

What did Magnetar sell in the CoreWeave (CRWV) Form 4 filed October 2025?

At what prices were the CRWV shares sold according to the Form 4?

Which Magnetar entities are named as reporting persons on the CRWV Form 4?

Do the Magnetar entities claim beneficial ownership of the sold shares?

When was the Form 4 signed and filed?