STOCK TITAN

Magnetar funds sell 112,111 CoreWeave (CRWV) shares in June trades

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

CoreWeave, Inc. reported a Form 4 showing that investment entities advised by Magnetar Financial LLC executed open‑market sales of Class A Common Stock. On June 2, 2026, the Magnetar Funds sold a total of 112,111 shares in multiple transactions, at weighted average prices within ranges of $130.12–$131.00 and $131.32–$132.20, as disclosed in the footnotes. Following these trades, individual Magnetar‑advised funds continued to hold large indirect positions, including holdings such as 17,858,589 shares, 6,764,989 shares and other multi‑million‑share balances reported for specific Magnetar Funds. Magnetar Financial acts as investment adviser to the Magnetar Funds, while Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman are upstream entities; each disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role null | null | null | null
Sold 112,111 shs ($14.64M)
Type Security Shares Price Value
Sale Class A Common Stock 8,648 $130.22 $1.13M
Sale Class A Common Stock 2,369 $131.79 $312K
Sale Class A Common Stock 27,417 $130.22 $3.57M
Sale Class A Common Stock 7,506 $131.79 $989K
Sale Class A Common Stock 372 $130.21 $48K
Sale Class A Common Stock 104 $131.80 $14K
Sale Class A Common Stock 8,013 $130.22 $1.04M
Sale Class A Common Stock 2,192 $131.79 $289K
Sale Class A Common Stock 11,001 $130.22 $1.43M
Sale Class A Common Stock 3,011 $131.79 $397K
Sale Class A Common Stock 13,790 $130.22 $1.80M
Sale Class A Common Stock 3,774 $131.79 $497K
Sale Class A Common Stock 11,731 $130.22 $1.53M
Sale Class A Common Stock 3,209 $131.79 $423K
Sale Class A Common Stock 5,824 $130.22 $758K
Sale Class A Common Stock 1,593 $131.79 $210K
Sale Class A Common Stock 1,221 $130.22 $159K
Sale Class A Common Stock 336 $131.79 $44K
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 4,145,786 shares (Indirect, Footnotes)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $130.12 to $131.00, 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 footnote 2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $131.32 to $132.20, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund 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, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) 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 administrative 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 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 Longhorn Fund LP. These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. 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 Longhorn Special Opportunities Fund LP. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar SC Fund Ltd. These securities are held directly by Magnetar Xing He Master Fund Ltd.
Shares sold 112,111 shares Total CoreWeave Class A shares sold by Magnetar funds on June 2, 2026
Price range block 1 $130.12–$131.00/share Weighted average sale price range described in footnote F1
Price range block 2 $131.32–$132.20/share Weighted average sale price range described in footnote F2
Example sale size 27,417 shares at $130.22/share One non‑derivative open‑market sale entry on June 2, 2026
Large fund holding 17,858,589 shares Indirect Class A Common Stock holding following a reported transaction
Second large holding 6,764,989 shares Another Magnetar‑related indirect holding after the June 2, 2026 trades
Additional holding 4,145,786 shares Reported indirect balance in Class A Common Stock after transactions
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
beneficial ownership financial
"disclaims beneficial ownership of these shares of Common Stock of the Issuer"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"disclaims beneficial ownership ... except to the extent of its or his pecuniary interest therein"
investment adviser financial
"Magnetar Financial LLC serves as the investment adviser to each of CW Opportunity 2 LP"
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
ten percent owner financial
"is_ten_percent_owner: 1 for multiple reporting persons in the data"
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SEC Form 4
FORM 4UNITED 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 ILLINOIS 60201

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CoreWeave, Inc. [ CRWV ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock06/02/2026S8,648D$130.22(1)4,145,786IFootnotes(3)(4)(5)(6)
Class A Common Stock06/02/2026S2,369D$131.79(2)4,143,417IFootnotes(3)(4)(5)(6)
Class A Common Stock06/02/2026S27,417D$130.22(1)17,858,589IFootnotes(3)(4)(5)(7)
Class A Common Stock06/02/2026S7,506D$131.79(2)17,851,083IFootnotes(3)(4)(5)(7)
Class A Common Stock06/02/2026S372D$130.21(1)242,024IFootnotes(3)(4)(5)(8)
Class A Common Stock06/02/2026S104D$131.8(2)241,920IFootnotes(3)(4)(5)(8)
Class A Common Stock06/02/2026S8,013D$130.22(1)3,761,768IFootnotes(3)(4)(5)(9)
Class A Common Stock06/02/2026S2,192D$131.79(2)3,759,576IFootnotes(3)(4)(5)(9)
Class A Common Stock06/02/2026S11,001D$130.22(1)4,614,930IFootnotes(3)(4)(5)(10)
Class A Common Stock06/02/2026S3,011D$131.79(2)4,611,919IFootnotes(3)(4)(5)(10)
Class A Common Stock06/02/2026S13,790D$130.22(1)6,764,989IFootnotes(3)(4)(5)(11)
Class A Common Stock06/02/2026S3,774D$131.79(2)6,761,215IFootnotes(3)(4)(5)(11)
Class A Common Stock06/02/2026S11,731D$130.22(1)6,911,476IFootnotes(3)(4)(5)(12)
Class A Common Stock06/02/2026S3,209D$131.79(2)6,908,267IFootnotes(3)(4)(5)(12)
Class A Common Stock06/02/2026S5,824D$130.22(1)2,092,852IFootnotes(3)(4)(5)(13)
Class A Common Stock06/02/2026S1,593D$131.79(2)2,091,259IFootnotes(3)(4)(5)(13)
Class A Common Stock06/02/2026S1,221D$130.22(1)673,269IFootnotes(3)(4)(5)(14)
Class A Common Stock06/02/2026S336D$131.79(2)672,933IFootnotes(3)(4)(5)(14)
Class A Common Stock1,973,782IFootnotes(3)(4)(5)(15)
Class A Common Stock1,048,917IFootnotes(3)(4)(5)(16)
Class A Common Stock870,409IFootnotes(3)(4)(5)(17)
Class A Common Stock2,124,330IFootnotes(3)(4)(5)(18)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
Magnetar Financial LLC

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

(Street)
EVANSTON ILLINOIS 60201

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% 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 ILLINOIS 60201

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% 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 ILLINOIS 60201

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% 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 ILLINOIS 60201

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% 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 $130.12 to $131.00, 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 footnote 2.
2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $131.32 to $132.20, inclusive.
3. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund 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, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
4. 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 administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.
5. 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.
6. These securities are held directly by CW Opportunity 2 LP.
7. These securities are held directly by CW Opportunity LLC.
8. These securities are held directly by Magnetar Capital Master Fund, Ltd.
9. These securities are held directly by Magnetar Constellation Master Fund, Ltd.
10. These securities are held directly by Magnetar Lake Credit Fund LLC.
11. These securities are held directly by Magnetar Longhorn Fund LP.
12. These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.
13. These securities are held directly by Purpose Alternative Credit Fund - F LLC.
14. These securities are held directly by Purpose Alternative Credit Fund - T LLC.
15. These securities are held directly by Longhorn Special Opportunities Fund LP.
16. These securities are held directly by Magnetar Alpha Star Fund LLC.
17. These securities are held directly by Magnetar SC Fund Ltd.
18. These securities are held directly by Magnetar Xing He Master Fund Ltd.
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative 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 LLC06/03/2026
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP06/03/2026
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC06/03/2026
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman06/03/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did Magnetar report in CoreWeave (CRWV) stock?

Magnetar‑advised funds reported open‑market sales of CoreWeave Class A shares. On June 2, 2026, they sold 112,111 shares in multiple trades at weighted average prices between about $130 and $132 per share, according to the Form 4 and related footnote disclosures.

How many CoreWeave (CRWV) shares did Magnetar funds sell and at what prices?

Magnetar funds sold 112,111 CoreWeave Class A shares. The Form 4 notes weighted average sale prices in ranges of $130.12–$131.00 and $131.32–$132.20 per share, reflecting numerous individual transactions within those price bands.

Do Magnetar entities still hold CoreWeave (CRWV) shares after the reported sales?

Yes, Magnetar‑advised funds continue to hold large CoreWeave positions. The filing shows post‑transaction indirect holdings for several funds, including account balances such as 17,858,589 shares and 6,764,989 shares of Class A Common Stock following the June 2, 2026 sales.

Who actually holds the CoreWeave (CRWV) shares linked to Magnetar’s Form 4?

The shares are held directly by various Magnetar Funds. Footnotes explain they are owned by entities such as CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund Ltd, Magnetar Constellation Master Fund Ltd and other Magnetar‑branded funds listed in the disclosure.

Do Magnetar and David J. Snyderman claim full beneficial ownership of the CoreWeave shares?

No, they expressly disclaim full beneficial ownership. The Form 4 states that each Magnetar Fund, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership except to the extent of its or his pecuniary interest in the CoreWeave shares.