STOCK TITAN

Nearly 1M CoreWeave (CRWV) shares sold by Magnetar funds

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

Rhea-AI Filing Summary

CoreWeave, Inc. major holder Magnetar‑related funds reported sizeable sales of Class A Common Stock. On May 5, 2026, entities advised or managed by Magnetar Financial LLC executed 28 open‑market sales totaling 978,764 shares of CoreWeave Class A Common Stock.

The reported weighted average sale prices ranged from $126.00 to $129.51 per share, with specific trades grouped in narrower bands as described in the footnotes. The shares are held directly by various Magnetar funds such as CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Alpha Star Fund LLC and others, while Magnetar Financial, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman are indirect reporting persons.

The reporting parties each disclaim beneficial ownership of the issuer’s common stock except to the extent of their pecuniary interest. Following these sales, individual reporting lines still show large indirect positions, including one entry with 19,033,681 shares held after the transaction.

Positive

  • None.

Negative

  • None.
Insider Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role null | null | null | null
Sold 978,764 shs ($124.96M)
Type Security Shares Price Value
Sale Class A Common Stock 5,079 $126.29 $641K
Sale Class A Common Stock 90,629 $127.49 $11.55M
Sale Class A Common Stock 10,083 $128.56 $1.30M
Sale Class A Common Stock 10,410 $129.11 $1.34M
Sale Class A Common Stock 16,086 $126.29 $2.03M
Sale Class A Common Stock 287,380 $127.49 $36.64M
Sale Class A Common Stock 31,961 $128.56 $4.11M
Sale Class A Common Stock 33,001 $129.11 $4.26M
Sale Class A Common Stock 2,112 $126.29 $267K
Sale Class A Common Stock 37,678 $127.49 $4.80M
Sale Class A Common Stock 4,191 $128.56 $539K
Sale Class A Common Stock 4,327 $129.11 $559K
Sale Class A Common Stock 222 $126.29 $28K
Sale Class A Common Stock 3,896 $127.49 $497K
Sale Class A Common Stock 433 $128.56 $56K
Sale Class A Common Stock 448 $129.11 $58K
Sale Class A Common Stock 4,703 $126.29 $594K
Sale Class A Common Stock 83,991 $127.49 $10.71M
Sale Class A Common Stock 9,343 $128.56 $1.20M
Sale Class A Common Stock 9,646 $129.11 $1.25M
Sale Class A Common Stock 6,457 $126.29 $815K
Sale Class A Common Stock 115,312 $127.49 $14.70M
Sale Class A Common Stock 12,829 $128.56 $1.65M
Sale Class A Common Stock 13,244 $129.11 $1.71M
Sale Class A Common Stock 8,087 $126.29 $1.02M
Sale Class A Common Stock 144,539 $127.49 $18.43M
Sale Class A Common Stock 16,078 $128.56 $2.07M
Sale Class A Common Stock 16,599 $129.11 $2.14M
Holdings After Transaction: Class A Common Stock — 4,516,355 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 $126.00 to $126.55, 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 $127.00 to $127.95, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $128.00 to $128.90, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $129.00 to $129.51, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, and Magnetar Longhorn 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 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 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 Longhorn Fund LP.
Shares sold 978,764 shares Total Class A Common Stock sold across 28 transactions on May 5, 2026
Number of sale transactions 28 transactions Open-market sales of CoreWeave Class A Common Stock
Overall sale price range $126.00–$129.51 per share Weighted average price ranges cited in footnotes F1–F4
Weighted average band (example) $126.00–$126.55 per share Price range for one set of weighted average sales in footnote F1
Remaining indirect holding (example) 19,033,681 shares Total shares following one indirect transaction entry
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
"except to the extent of its or his pecuniary interest therein."
ten percent owner financial
""is_ten_percent_owner": 1"
Class A Common Stock financial
""security_title": "Class A Common Stock""
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
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)
05/05/2026
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 Stock05/05/2026S5,079D$126.29(1)4,516,355IFootnotes(5)(6)(7)(8)
Class A Common Stock05/05/2026S90,629D$127.49(2)4,425,726IFootnotes(5)(6)(7)(8)
Class A Common Stock05/05/2026S10,083D$128.56(3)4,415,643IFootnotes(5)(6)(7)(8)
Class A Common Stock05/05/2026S10,410D$129.11(4)4,405,233IFootnotes(5)(6)(7)(8)
Class A Common Stock05/05/2026S16,086D$126.29(1)19,033,681IFootnotes(5)(6)(7)(9)
Class A Common Stock05/05/2026S287,380D$127.49(2)18,746,301IFootnotes(5)(6)(7)(9)
Class A Common Stock05/05/2026S31,961D$128.56(3)18,714,340IFootnotes(5)(6)(7)(9)
Class A Common Stock05/05/2026S33,001D$129.11(4)18,681,339IFootnotes(5)(6)(7)(9)
Class A Common Stock05/05/2026S2,112D$126.29(1)1,159,455IFootnotes(5)(6)(7)(10)
Class A Common Stock05/05/2026S37,678D$127.49(2)1,121,777IFootnotes(5)(6)(7)(10)
Class A Common Stock05/05/2026S4,191D$128.56(3)1,117,586IFootnotes(5)(6)(7)(10)
Class A Common Stock05/05/2026S4,327D$129.11(4)1,113,259IFootnotes(5)(6)(7)(10)
Class A Common Stock05/05/2026S222D$126.29(1)257,944IFootnotes(5)(6)(7)(11)
Class A Common Stock05/05/2026S3,896D$127.49(2)254,048IFootnotes(5)(6)(7)(11)
Class A Common Stock05/05/2026S433D$128.56(3)253,615IFootnotes(5)(6)(7)(11)
Class A Common Stock05/05/2026S448D$129.11(4)253,167IFootnotes(5)(6)(7)(11)
Class A Common Stock05/05/2026S4,703D$126.29(1)4,105,182IFootnotes(5)(6)(7)(12)
Class A Common Stock05/05/2026S83,991D$127.49(2)4,021,191IFootnotes(5)(6)(7)(12)
Class A Common Stock05/05/2026S9,343D$128.56(3)4,011,848IFootnotes(5)(6)(7)(12)
Class A Common Stock05/05/2026S9,646D$129.11(4)4,002,202IFootnotes(5)(6)(7)(12)
Class A Common Stock05/05/2026S6,457D$126.29(1)5,086,408IFootnotes(5)(6)(7)(13)
Class A Common Stock05/05/2026S115,312D$127.49(2)4,971,096IFootnotes(5)(6)(7)(13)
Class A Common Stock05/05/2026S12,829D$128.56(3)4,958,267IFootnotes(5)(6)(7)(13)
Class A Common Stock05/05/2026S13,244D$129.11(4)4,945,023IFootnotes(5)(6)(7)(13)
Class A Common Stock05/05/2026S8,087D$126.29(1)7,355,988IFootnotes(5)(6)(7)(14)
Class A Common Stock05/05/2026S144,539D$127.49(2)7,211,449IFootnotes(5)(6)(7)(14)
Class A Common Stock05/05/2026S16,078D$128.56(3)7,195,371IFootnotes(5)(6)(7)(14)
Class A Common Stock05/05/2026S16,599D$129.11(4)7,178,772IFootnotes(5)(6)(7)(14)
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 $126.00 to $126.55, 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 $127.00 to $127.95, inclusive.
3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $128.00 to $128.90, inclusive.
4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $129.00 to $129.51, inclusive.
5. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, and Magnetar Longhorn 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 administrative 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 Magnetar Alpha Star Fund LLC.
11. These securities are held directly by Magnetar Capital Master Fund, Ltd.
12. These securities are held directly by Magnetar Constellation Master Fund, Ltd.
13. These securities are held directly by Magnetar Lake Credit Fund LLC.
14. These securities are held directly by Magnetar Longhorn Fund LP.
/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 LLC05/06/2026
/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 LP05/06/2026
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC05/06/2026
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman05/06/2026
** 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

Who sold CoreWeave (CRWV) shares in this Form 4 filing?

The filing shows Magnetar‑related investment funds selling CoreWeave Class A Common Stock. Magnetar Financial LLC advises these funds, while Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman are indirect reporting persons who disclaim beneficial ownership except for their pecuniary interests.

How many CoreWeave (CRWV) shares were sold by Magnetar funds?

The Form 4 reports 978,764 shares of CoreWeave Class A Common Stock sold in 28 open‑market transactions. These sales were made across several Magnetar‑advised funds, with each transaction line reflecting the shares sold and the aggregate indirect holdings following that sale.

What price range did Magnetar funds receive for CoreWeave (CRWV) shares?

The reported weighted average sale prices ranged from about $126.00 to $129.51 per share. Footnotes explain that each price is an average for multiple trades executed within narrower ranges, and detailed trade‑level prices are available to investors and regulators on request.

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

Yes. Despite selling 978,764 shares, the filing shows substantial indirect positions remaining. One reported line lists 19,033,681 shares of CoreWeave Class A Common Stock held after a sale, indicating that Magnetar‑associated funds continue to own a large stake.

How are the CoreWeave (CRWV) shares held across Magnetar funds?

Footnotes state that shares are held directly by specific funds, including CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Alpha Star Fund LLC and several other Magnetar vehicles. Magnetar Financial LLC acts as investment adviser or manager to these funds for their CoreWeave holdings.