Postgame
FilingsForm 4

Funds tied to Magnetar Financial sold 556,230 CoreWeave shares for $77.2 million on Oct 15, 2025

From the public record1 min read

Published Filed
Value$77.18 million, held indirectly
Shares556,230, held indirectly
Average price$138.76
FiledOct 17

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.

On Oct 17, 2025, Magnetar Financial LLC, which the form lists as an owner of more than 10% of CoreWeave's shares, filed a Form 4 (the form insiders file when they trade their company's shares) reporting sales of 556,230 CoreWeave shares made on Oct 15, 2025. The sales averaged $138.76 a share, for $77.2 million in all. The form's footnotes say the shares sold were held directly by CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Alpha Star Fund LLC and Magnetar Capital Master Fund, Ltd, funds that Magnetar Financial LLC advises or manages. The Form 4 can be opened on the SEC's EDGAR site.1234567891011121314

How each figure was checked14 facts
  1. the reporting owner as filedMagnetar Financial LLCOur database
  2. the owner's relationship to the companyowner of more than 10% of the sharesOur database
  3. shares sold, whole form556,230Our database
  4. date of the tradesOct 15, 2025Our database
  5. day the Form 4 was filedOct 17, 2025Our database
  6. side of the tradessaleOur database
  7. value of the sales, whole form (USD)$77.18 millionOur database
  8. average price per share across the form (USD)$138.76Our database
  9. footnote F10: what Magnetar Financial is to the funds2Footnotes of the Form 4 filed Oct 17, 2025 ↗
  10. footnote F13: the shares of some lines are held directly by CW Opportunity 2 LP2Footnotes of the Form 4 filed Oct 17, 2025 ↗
  11. footnote F14: the shares of some lines are held directly by CW Opportunity LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
  12. footnote F15: the shares of some lines are held directly by Longhorn Special Opportunities Fund LPFootnotes of the Form 4 filed Oct 17, 2025 ↗
  13. footnote F16: the shares of some lines are held directly by Magnetar Alpha Star Fund LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
  14. footnote F17: the shares of some lines are held directly by Magnetar Capital Master Fund, LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-100511
Filed
Oct 17, 2025
Period of report
Oct 15, 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) · 75 Class A Common Stock at $135.12 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,997,441 held after · footnotes F10, F11, F12 and F13
Line 2
S (sale) · 2,311 Class A Common Stock at $137.29 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,995,130 held after · footnotes F1, F10, F11, F12 and F13
Line 3
S (sale) · 17,488 Class A Common Stock at $138.09 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,977,642 held after · footnotes F2, F10, F11, F12 and F13
Line 4
S (sale) · 43,107 Class A Common Stock at $138.88 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,934,535 held after · footnotes F3, F10, F11, F12 and F13
Line 5
S (sale) · 14,866 Class A Common Stock at $139.75 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,919,669 held after · footnotes F4, F10, F11, F12 and F13
Line 6
S (sale) · 1,615 Class A Common Stock at $140.97 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,918,054 held after · footnotes F5, F10, F11, F12 and F13
Line 7
S (sale) · 7,813 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 24,145,433 held after · footnotes F6, F10, F11, F12 and F14
Line 8
S (sale) · 217,362 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 23,928,071 held after · footnotes F7, F10, F11, F12 and F14
Line 9
S (sale) · 49,286 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 23,878,785 held after · footnotes F8, F10, F11, F12 and F14
Line 10
S (sale) · 9,384 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 23,869,401 held after · footnotes F9, F10, F11, F12 and F14
Line 11
S (sale) · 5,520 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 23,863,881 held after · footnotes F10, F11, F12 and F14
Line 12
S (sale) · 3,935 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 2,681,320 held after · footnotes F6, F10, F11, F12 and F15
Line 13
S (sale) · 109,322 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 2,571,998 held after · footnotes F7, F10, F11, F12 and F15
Line 14
S (sale) · 24,780 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 2,547,218 held after · footnotes F8, F10, F11, F12 and F15
Line 15
S (sale) · 4,720 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 2,542,498 held after · footnotes F9, F10, F11, F12 and F15
Line 16
S (sale) · 2,776 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 2,539,722 held after · footnotes F10, F11, F12 and F15
Line 17
S (sale) · 1,025 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,829,648 held after · footnotes F6, F10, F11, F12 and F16
Line 18
S (sale) · 28,500 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,801,148 held after · footnotes F7, F10, F11, F12 and F16
Line 19
S (sale) · 6,462 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,794,686 held after · footnotes F8, F10, F11, F12 and F16
Line 20
S (sale) · 1,230 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,793,456 held after · footnotes F9, F10, F11, F12 and F16
Line 21
S (sale) · 724 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,792,732 held after · footnotes F10, F11, F12 and F16
Line 22
S (sale) · 109 Class A Common Stock at $137.44 · Oct 15, 2025 · disposed, indirectly, Footnotes · 327,285 held after · footnotes F6, F10, F11, F12 and F17
Line 23
S (sale) · 2,952 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 324,333 held after · footnotes F7, F10, F11, F12 and F17
Line 24
S (sale) · 667 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 323,666 held after · footnotes F8, F10, F11, F12 and F17
Line 25
S (sale) · 126 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 323,540 held after · footnotes F9, F10, F11, F12 and F17
Line 26
S (sale) · 75 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 323,465 held after · footnotes F10, F11, F12 and F17
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.49 to $137.46, 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 $137.60 to $138.56, 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 $138.63 to $139.60, 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 $139.64 to $140.47, 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 $140.71 to $141.00, 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 $136.72 to $137.70, 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 $137.85 to $138.83, 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 $138.88 to $139.65, 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 $140.00 to $140.45, 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 and Longhorn Special Opportunities Fund LP, and the manager of Magnetar Alpha Star 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.
Open the source ↗

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

Total$3.59 billion sold
Magnetar Financial LLC · sold, held indirectly$2.9 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$34.69 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 17, 2025
  2. How we collect our data
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