Postgame
FilingsForm 4

Funds tied to Magnetar Financial sold 549,087 CoreWeave shares for $78.8 million on Oct 16, 2025

From the public record1 min read

Published Filed
Value$78.8 million, held indirectly
Shares549,087, held indirectly
Average price$143.51
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 549,087 CoreWeave shares made on Oct 16, 2025. The sales averaged $143.51 a share, for $78.8 million in all. The form's footnotes say the shares sold were held directly by Magnetar Lake Credit Fund LLC, Magnetar SC Fund Ltd and Magnetar Structured Credit Fund, LP, 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.123456789101112

How each figure was checked12 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 form549,087Our database
  4. date of the tradesOct 16, 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)$78.8 millionOur database
  8. average price per share across the form (USD)$143.51Our database
  9. footnote F7: what Magnetar Financial is to the fundsFootnotes of the Form 4 filed Oct 17, 2025 ↗
  10. footnote F10: the shares of some lines are held directly by Magnetar Lake Credit Fund LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
  11. footnote F11: the shares of some lines are held directly by Magnetar SC Fund LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
  12. footnote F12: the shares of some lines are held directly by Magnetar Structured Credit Fund, LPFootnotes 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
0001104659-25-100517
Filed
Oct 17, 2025
Period of report
Oct 16, 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) · 2,768 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,902,058 held after · footnotes F7, F8, F9 and F10
Line 2
S (sale) · 9,130 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,892,928 held after · footnotes F1, F7, F8, F9 and F10
Line 3
S (sale) · 172,805 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,720,123 held after · footnotes F2, F7, F8, F9 and F10
Line 4
S (sale) · 11,776 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,708,347 held after · footnotes F3, F7, F8, F9 and F10
Line 5
S (sale) · 2,768 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,705,579 held after · footnotes F7, F8, F9 and F10
Line 6
S (sale) · 9,527 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,696,052 held after · footnotes F4, F7, F8, F9 and F10
Line 7
S (sale) · 11,073 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,684,979 held after · footnotes F5, F7, F8, F9 and F10
Line 8
S (sale) · 8,304 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,676,675 held after · footnotes F6, F7, F8, F9 and F10
Line 9
S (sale) · 5,537 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 6,671,138 held after · footnotes F7, F8, F9 and F10
Line 10
S (sale) · 784 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,375,084 held after · footnotes F7, F8, F9 and F11
Line 11
S (sale) · 2,591 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,372,493 held after · footnotes F1, F7, F8, F9 and F11
Line 12
S (sale) · 48,943 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,323,550 held after · footnotes F2, F7, F8, F9 and F11
Line 13
S (sale) · 3,336 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,320,214 held after · footnotes F3, F7, F8, F9 and F11
Line 14
S (sale) · 784 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,319,430 held after · footnotes F7, F8, F9 and F11
Line 15
S (sale) · 2,699 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,316,731 held after · footnotes F4, F7, F8, F9 and F11
Line 16
S (sale) · 3,136 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,313,595 held after · footnotes F5, F7, F8, F9 and F11
Line 17
S (sale) · 2,352 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,311,243 held after · footnotes F6, F7, F8, F9 and F11
Line 18
S (sale) · 1,568 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,309,675 held after · footnotes F7, F8, F9 and F11
Line 19
S (sale) · 2,952 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,298,506 held after · footnotes F7, F8, F9 and F12
Line 20
S (sale) · 9,754 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,288,752 held after · footnotes F1, F7, F8, F9 and F12
Line 21
S (sale) · 184,261 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,104,491 held after · footnotes F2, F7, F8, F9 and F12
Line 22
S (sale) · 12,559 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,091,932 held after · footnotes F3, F7, F8, F9 and F12
Line 23
S (sale) · 2,952 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,088,980 held after · footnotes F7, F8, F9 and F12
Line 24
S (sale) · 10,160 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,078,820 held after · footnotes F4, F7, F8, F9 and F12
Line 25
S (sale) · 11,808 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,067,012 held after · footnotes F5, F7, F8, F9 and F12
Line 26
S (sale) · 8,856 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,058,156 held after · footnotes F6, F7, F8, F9 and F12
Line 27
S (sale) · 5,904 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 9,052,252 held after · footnotes F7, F8, F9 and F12
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $141.00 to $141.95, 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 and 6.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.00 to $142.89, 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 $143.00 to $143.50, 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 $145.00 to $145.54, 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 $147.30 to $148.00, 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 $148.50 to $148.75, inclusive.
Footnote F7
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F8
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 F9
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 F10
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F11
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F12
These securities are held directly by Magnetar Structured Credit Fund, LP.
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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