Postgame
FilingsForm 4

Magnetar funds sold 804,514 CoreWeave shares for $111.41 million on Oct 29, 2025

From the public record1 min read

Published Filed
Value$111.41 million, held indirectly
Shares804,514, held indirectly
Average price$138.48
FiledOct 29

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

A Form 4 (the form an insider files when trading a company's shares) that lists Magnetar Financial LLC as a reporting owner and an owner of more than 10% of CoreWeave's shares reported the sale of 804,514 shares on Oct 29, 2025, at an average of $138.48 a share, for $111.41 million. The form lists the shares as held indirectly, and its footnotes say they were held directly by funds for which Magnetar Financial served as adviser or manager. The form's Rule 10b5-1 box, which flags trades made under a pre-arranged plan, was not ticked. The filing is on the SEC's EDGAR database and was filed on Oct 29, 2025.123456789101112131415161718

How each figure was checked18 facts
  1. reporting owner as the form names itMagnetar Financial LLCOur database
  2. the owner's relationship to the issuerowner of more than 10% of the sharesOur database
  3. every reporting owner of the formMagnetar Financial LLC (owner of more than 10% of the shares); Magnetar Capital Partners LP (owner of more than 10% of the shares); Supernova Management LLC (owner of more than 10% of the shares); David J. Snyderman (filed as Snyderman David J.; owner of more than 10% of the shares)Our database
  4. shares sold on the form804,514Our database
  5. day of the tradesOct 29, 2025Our database
  6. average price per share$138.48Our database
  7. value of the sales on the form$111.41 millionOur database
  8. how the sale lines are held28 sale lines held indirectly (Footnotes)Our database
  9. footnote on Magnetar Financial's role toward the Magnetar FundsMagnetar Financial: adviser to the funds this part of the footnote lists; manager of a fund; the footnote calls these funds the Magnetar FundsFootnotes of the same Form 4 ↗
  10. footnote F13: who held shares directlyheld directly by CW Opportunity 2 LPFootnotes of the same Form 4 ↗
  11. footnote F14: who held shares directlyheld directly by CW Opportunity LLCFootnotes of the same Form 4 ↗
  12. footnote F15: who held shares directlyheld directly by Longhorn Special Opportunities Fund LPFootnotes of the same Form 4 ↗
  13. footnote F16: who held shares directlyheld directly by Magnetar Alpha Star Fund LLCFootnotes of the same Form 4 ↗
  14. footnote F17: who held shares directlyheld directly by Magnetar Capital Master Fund, LtdFootnotes of the same Form 4 ↗
  15. footnote F18: who held shares directlyheld directly by Magnetar Constellation Master Fund, LtdFootnotes of the same Form 4 ↗
  16. footnote F19: who held shares directlyheld directly by Magnetar Lake Credit Fund LLCFootnotes of the same Form 4 ↗
  17. the Rule 10b5-1 boxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  18. day the form was filedOct 29, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-103916
Filed
Oct 29, 2025
Period of report
Oct 29, 2025
Reporting owner 1
Magnetar Financial LLC (CIK 1352851)
Relationship
owner of more than 10% of the shares
Reporting owner 2
Magnetar Capital Partners LP (CIK 1353085)
Relationship
owner of more than 10% of the shares
Reporting owner 3
Supernova Management LLC (CIK 1368026)
Relationship
owner of more than 10% of the shares
Reporting owner 4
David J. Snyderman (CIK 1953511, filed as Snyderman David J.)
Relationship
owner of more than 10% of the shares
Rule 10b5-1 checkbox
Not ticked
Line 1
S (sale) · 1,292 Class A Common Stock at $136.67 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,634,431 held after · footnotes F1, F10, F11, F12 and F13
Line 2
S (sale) · 48,212 Class A Common Stock at $137.84 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,586,219 held after · footnotes F2, F10, F11, F12 and F13
Line 3
S (sale) · 7,673 Class A Common Stock at $138.60 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,578,546 held after · footnotes F3, F10, F11, F12 and F13
Line 4
S (sale) · 26,920 Class A Common Stock at $139.73 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,551,626 held after · footnotes F4, F10, F11, F12 and F13
Line 5
S (sale) · 2,234 Class A Common Stock at $136.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 22,650,914 held after · footnotes F1, F10, F11, F12 and F14
Line 6
S (sale) · 210,448 Class A Common Stock at $137.85 · Oct 29, 2025 · disposed, indirectly, Footnotes · 22,440,466 held after · footnotes F2, F10, F11, F12 and F14
Line 7
S (sale) · 27,600 Class A Common Stock at $138.65 · Oct 29, 2025 · disposed, indirectly, Footnotes · 22,412,866 held after · footnotes F5, F10, F11, F12 and F14
Line 8
S (sale) · 107,803 Class A Common Stock at $139.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 22,305,063 held after · footnotes F4, F10, F11, F12 and F14
Line 9
S (sale) · 517 Class A Common Stock at $136.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 2,101,268 held after · footnotes F1, F10, F11, F12 and F15
Line 10
S (sale) · 48,715 Class A Common Stock at $137.85 · Oct 29, 2025 · disposed, indirectly, Footnotes · 2,052,553 held after · footnotes F2, F10, F11, F12 and F15
Line 11
S (sale) · 6,389 Class A Common Stock at $138.65 · Oct 29, 2025 · disposed, indirectly, Footnotes · 2,046,164 held after · footnotes F5, F10, F11, F12 and F15
Line 12
S (sale) · 24,954 Class A Common Stock at $139.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 2,021,210 held after · footnotes F4, F10, F11, F12 and F15
Line 13
S (sale) · 293 Class A Common Stock at $136.70 · Oct 29, 2025 · disposed, indirectly, Footnotes · 1,633,688 held after · footnotes F1, F10, F11, F12 and F16
Line 14
S (sale) · 27,590 Class A Common Stock at $137.85 · Oct 29, 2025 · disposed, indirectly, Footnotes · 1,606,098 held after · footnotes F2, F10, F11, F12 and F16
Line 15
S (sale) · 3,620 Class A Common Stock at $138.65 · Oct 29, 2025 · disposed, indirectly, Footnotes · 1,602,478 held after · footnotes F5, F10, F11, F12 and F16
Line 16
S (sale) · 14,137 Class A Common Stock at $139.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 1,588,341 held after · footnotes F4, F10, F11, F12 and F16
Line 17
S (sale) · 161 Class A Common Stock at $137.11 · Oct 29, 2025 · disposed, indirectly, Footnotes · 306,846 held after · footnotes F6, F10, F11, F12 and F17
Line 18
S (sale) · 2,927 Class A Common Stock at $137.92 · Oct 29, 2025 · disposed, indirectly, Footnotes · 303,919 held after · footnotes F7, F10, F11, F12 and F17
Line 19
S (sale) · 982 Class A Common Stock at $139.38 · Oct 29, 2025 · disposed, indirectly, Footnotes · 302,937 held after · footnotes F8, F10, F11, F12 and F17
Line 20
S (sale) · 643 Class A Common Stock at $140.02 · Oct 29, 2025 · disposed, indirectly, Footnotes · 302,294 held after · footnotes F9, F10, F11, F12 and F17
Line 21
S (sale) · 655 Class A Common Stock at $136.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,162,326 held after · footnotes F1, F10, F11, F12 and F18
Line 22
S (sale) · 61,505 Class A Common Stock at $137.85 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,100,821 held after · footnotes F2, F10, F11, F12 and F18
Line 23
S (sale) · 8,067 Class A Common Stock at $138.65 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,092,754 held after · footnotes F5, F10, F11, F12 and F18
Line 24
S (sale) · 31,510 Class A Common Stock at $139.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 5,061,244 held after · footnotes F4, F10, F11, F12 and F18
Line 25
S (sale) · 897 Class A Common Stock at $136.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 6,418,133 held after · footnotes F1, F10, F11, F12 and F19
Line 26
S (sale) · 84,437 Class A Common Stock at $137.85 · Oct 29, 2025 · disposed, indirectly, Footnotes · 6,333,696 held after · footnotes F2, F10, F11, F12 and F19
Line 27
S (sale) · 11,075 Class A Common Stock at $138.65 · Oct 29, 2025 · disposed, indirectly, Footnotes · 6,322,621 held after · footnotes F5, F10, F11, F12 and F19
Line 28
S (sale) · 43,258 Class A Common Stock at $139.71 · Oct 29, 2025 · disposed, indirectly, Footnotes · 6,279,363 held after · footnotes F4, F10, F11, F12 and F19
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.03 to $137.00, 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 footnotes 2, 3, 4, 5, 6, 7, 8, and 9.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.03 to $138.00, inclusive.
Footnote F3
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.10 to $139.09, inclusive.
Footnote F4
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.34 to $140.10, inclusive.
Footnote F5
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.26 to $139.09, inclusive.
Footnote F6
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.61 to $137.40, inclusive.
Footnote F7
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.66 to $138.54, inclusive.
Footnote F8
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.90 to $139.77, inclusive.
Footnote F9
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.93 to $140.10, inclusive.
Footnote F10
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, and Longhorn Special Opportunities Fund LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F11
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.
Footnote F12
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 F13
These securities are held directly by CW Opportunity 2 LP.
Footnote F14
These securities are held directly by CW Opportunity LLC.
Footnote F15
These securities are held directly by Longhorn Special Opportunities Fund LP.
Footnote F16
These securities are held directly by Magnetar Alpha Star Fund LLC.
Footnote F17
These securities are held directly by Magnetar Capital Master Fund, Ltd.
Footnote F18
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F19
These securities are held directly by Magnetar Lake Credit Fund LLC.
Open the source ↗

Insider purchases and sales of CoreWeave shares, since Aug 29, 2025

Total$4.05 billion sold
Magnetar Financial LLC · sold, held indirectly$3.36 billion
Brannin McBee · sold, held indirectly$186.7 million
Brannin McBee · sold$132.54 million
Brian Venturo · sold, held indirectly$126 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$38.54 million
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About CoreWeave

CoreWeave page →
Revenue$5.13 billionYear to Dec 31, 2025 · +167.94% year over year
Operating income−$46 millionYear to Dec 31, 2025 · −114.2% year over year
Net income−$1.17 billionYear to Dec 31, 2025 · −35.23% year over year

Source: SEC EDGAR XBRL financial data · filed Aug 12, 2026

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Sources

  1. SEC EDGAR, Form 4 filed Oct 29, 2025
  2. How we collect our data
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