Postgame
FilingsForm 4

Funds tied to Magnetar Financial sold 495,122 CoreWeave shares for $68.7 million on Oct 15, 2025

From the public record1 min read

Published Filed
Value$68.7 million, held indirectly
Shares495,122, held indirectly
Average price$138.75
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 495,122 CoreWeave shares made on Oct 15, 2025. The sales averaged $138.75 a share, for $68.7 million in all. The form's footnotes say the shares sold were held directly by Magnetar Constellation Master Fund, Ltd, Magnetar Lake Credit Fund LLC, Magnetar SC Fund Ltd, Magnetar Structured Credit Fund, LP, Magnetar Xing He Master Fund Ltd and Purpose Alternative Credit Fund - F LLC, funds that Magnetar Financial LLC advises, manages or serves as general partner of. The Form 4 can be opened on the SEC's EDGAR site.123456789101112131415

How each figure was checked15 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 form495,122Our 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)$68.7 millionOur database
  8. average price per share across the form (USD)$138.75Our database
  9. footnote F5: what Magnetar Financial is to the fundsFootnotes of the Form 4 filed Oct 17, 2025 ↗
  10. footnote F8: the shares of some lines are held directly by Magnetar Constellation Master Fund, LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
  11. footnote F9: the shares of some lines are held directly by Magnetar Lake Credit Fund LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
  12. footnote F10: the shares of some lines are held directly by Magnetar SC Fund LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
  13. footnote F11: the shares of some lines are held directly by Magnetar Structured Credit Fund, LPFootnotes of the Form 4 filed Oct 17, 2025 ↗
  14. footnote F12: the shares of some lines are held directly by Magnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
  15. footnote F13: the shares of some lines are held directly by Purpose Alternative Credit Fund - F LLCFootnotes 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
0001104659-25-100512
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) · 2,290 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,599,156 held after · footnotes F1, F5, F6, F7 and F8
Line 2
S (sale) · 63,528 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,535,628 held after · footnotes F2, F5, F6, F7 and F8
Line 3
S (sale) · 14,398 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,521,230 held after · footnotes F3, F5, F6, F7 and F8
Line 4
S (sale) · 2,742 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,518,488 held after · footnotes F4, F5, F6, F7 and F8
Line 5
S (sale) · 1,613 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 5,516,875 held after · footnotes F5, F6, F7 and F8
Line 6
S (sale) · 3,140 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 7,017,794 held after · footnotes F1, F5, F6, F7 and F9
Line 7
S (sale) · 87,220 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 6,930,574 held after · footnotes F2, F5, F6, F7 and F9
Line 8
S (sale) · 19,769 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 6,910,805 held after · footnotes F3, F5, F6, F7 and F9
Line 9
S (sale) · 3,764 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 6,907,041 held after · footnotes F4, F5, F6, F7 and F9
Line 10
S (sale) · 2,215 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 6,904,826 held after · footnotes F5, F6, F7 and F9
Line 11
S (sale) · 885 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,407,864 held after · footnotes F1, F5, F6, F7 and F10
Line 12
S (sale) · 24,700 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,383,164 held after · footnotes F2, F5, F6, F7 and F10
Line 13
S (sale) · 5,603 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,377,561 held after · footnotes F3, F5, F6, F7 and F10
Line 14
S (sale) · 1,066 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,376,495 held after · footnotes F4, F5, F6, F7 and F10
Line 15
S (sale) · 627 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 1,375,868 held after · footnotes F5, F6, F7 and F10
Line 16
S (sale) · 3,345 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 9,421,909 held after · footnotes F1, F5, F6, F7 and F11
Line 17
S (sale) · 92,994 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 9,328,915 held after · footnotes F2, F5, F6, F7 and F11
Line 18
S (sale) · 21,078 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 9,307,837 held after · footnotes F3, F5, F6, F7 and F11
Line 19
S (sale) · 4,018 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 9,303,819 held after · footnotes F4, F5, F6, F7 and F11
Line 20
S (sale) · 2,361 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 9,301,458 held after · footnotes F5, F6, F7 and F11
Line 21
S (sale) · 2,064 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,694,458 held after · footnotes F1, F5, F6, F7 and F12
Line 22
S (sale) · 57,314 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,637,144 held after · footnotes F2, F5, F6, F7 and F12
Line 23
S (sale) · 12,987 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,624,157 held after · footnotes F3, F5, F6, F7 and F12
Line 24
S (sale) · 2,476 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,621,681 held after · footnotes F4, F5, F6, F7 and F12
Line 25
S (sale) · 1,455 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,620,226 held after · footnotes F5, F6, F7 and F12
Line 26
S (sale) · 1,664 Class A Common Stock at $137.45 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,376,844 held after · footnotes F1, F5, F6, F7 and F13
Line 27
S (sale) · 46,177 Class A Common Stock at $138.59 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,330,667 held after · footnotes F2, F5, F6, F7 and F13
Line 28
S (sale) · 10,464 Class A Common Stock at $139.11 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,320,203 held after · footnotes F3, F5, F6, F7 and F13
Line 29
S (sale) · 1,992 Class A Common Stock at $140.23 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,318,211 held after · footnotes F4, F5, F6, F7 and F13
Line 30
S (sale) · 1,173 Class A Common Stock at $141.00 · Oct 15, 2025 · disposed, indirectly, Footnotes · 3,317,038 held after · footnotes F5, F6, F7 and F13
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.72 to $137.70, 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 footnotes 2, 3 and 4.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.85 to $138.83, 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 $138.88 to $139.65, 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 $140.00 to $140.45, inclusive.
Footnote F5
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd and Purpose Alternative Credit Fund - F LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F6
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 F7
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 F8
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F9
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F10
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F11
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F12
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F13
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
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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