Postgame
FilingsForm 4

$29.09 million of CoreWeave shares held by Magnetar funds were sold on Oct 30, 2025

From the public record1 min read

Published Filed
Value$29.09 million, held indirectly
Shares216,010, held indirectly
Average price$134.69
FiledOct 31

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 the company's shares, showed 216,010 CoreWeave shares sold on Oct 30, 2025, for $29.09 million at an average $134.69 a share. Its footnotes said Magnetar funds held the shares directly, among them CW Opportunity 2 LP, CW Opportunity LLC and Longhorn Special Opportunities Fund LP, each advised by Magnetar Financial LLC. The form named Magnetar Financial LLC, an owner of more than 10% of CoreWeave's shares, as its first reporting owner and marked no transaction as made under a Rule 10b5-1 plan, a trading plan set up in advance. The source is the form, filed with the SEC on Oct 31, 2025 and published on the SEC's EDGAR site.1234567891011121314

How each figure was checked14 facts
  1. the side of the tradesaleOur database
  2. the shares of the sale lines216,010Our database
  3. the first trade dateOct 30, 2025Our database
  4. the value of the sale lines$29.09 millionOur database
  5. the average price of the sale lines$134.69Our database
  6. what the form calls the funds it namesMagnetar FundsFootnotes of the Form 4 filed Oct 31, 2025 ↗
  7. the fund that held the shares of some sale lines directlyCW Opportunity 2 LPFootnotes of the Form 4 filed Oct 31, 2025 ↗
  8. the fund that held the shares of some sale lines directlyCW Opportunity LLCFootnotes of the Form 4 filed Oct 31, 2025 ↗
  9. the fund that held the shares of some sale lines directlyLonghorn Special Opportunities Fund LPFootnotes of the Form 4 filed Oct 31, 2025 ↗
  10. Magnetar Financial advises these fundsCW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LPFootnotes of the Form 4 filed Oct 31, 2025 ↗
  11. the first reporting ownerMagnetar Financial LLCOur database
  12. the owner's relationship to the companyowner of more than 10% of the sharesOur database
  13. the Rule 10b5-1 checkboxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  14. the day the form was filedOct 31, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-105077
Filed
Oct 31, 2025
Period of report
Oct 30, 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) · 12,377 Class A Common Stock at $134.61 · Oct 30, 2025 · disposed, indirectly, Footnotes · 5,539,249 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 1,871 Class A Common Stock at $135.36 · Oct 30, 2025 · disposed, indirectly, Footnotes · 5,537,378 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 59,288 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 22,245,775 held after · footnotes F3, F4, F5, F6 and F8
Line 4
S (sale) · 13,724 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 2,007,486 held after · footnotes F3, F4, F5, F6 and F9
Line 5
S (sale) · 7,772 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 1,580,569 held after · footnotes F3, F4, F5, F6 and F10
Line 6
S (sale) · 804 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 301,490 held after · footnotes F3, F4, F5, F6 and F11
Line 7
S (sale) · 17,325 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 5,043,919 held after · footnotes F3, F4, F5, F6 and F12
Line 8
S (sale) · 23,787 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 6,255,576 held after · footnotes F3, F4, F5, F6 and F13
Line 9
S (sale) · 16,095 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 8,921,266 held after · footnotes F3, F4, F5, F6 and F14
Line 10
S (sale) · 6,738 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 1,191,983 held after · footnotes F3, F4, F5, F6 and F15
Line 11
S (sale) · 25,364 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 8,609,147 held after · footnotes F3, F4, F5, F6 and F16
Line 12
S (sale) · 15,633 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 3,193,574 held after · footnotes F3, F4, F5, F6 and F17
Line 13
S (sale) · 12,594 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 2,973,323 held after · footnotes F3, F4, F5, F6 and F18
Line 14
S (sale) · 2,638 Class A Common Stock at $134.69 · Oct 30, 2025 · disposed, indirectly, Footnotes · 860,251 held after · footnotes F3, F4, F5, F6 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 $134.00 to $134.90 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 and 3.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.01 to $135.86, 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 $134.62 to $135.37, inclusive.
Footnote F4
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F5
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 F6
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 F7
These securities are held directly by CW Opportunity 2 LP.
Footnote F8
These securities are held directly by CW Opportunity LLC.
Footnote F9
These securities are held directly by Longhorn Special Opportunities Fund LP.
Footnote F10
These securities are held directly by Magnetar Alpha Star Fund LLC.
Footnote F11
These securities are held directly by Magnetar Capital Master Fund, Ltd.
Footnote F12
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F13
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F14
These securities are held directly by Magnetar Longhorn Fund LP.
Footnote F15
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F16
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F17
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F18
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
Footnote F19
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Open the source ↗

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

Total$4.19 billion sold
Magnetar Financial LLC · sold, held indirectly$3.46 billion
Brannin McBee · sold, held indirectly$186.7 million
Brian Venturo · sold, held indirectly$164.75 million
Brannin McBee · sold$132.54 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$38.54 million
New to this? Learn it in 4 minReading a Form 4

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 31, 2025
  2. How we collect our data
CoreWeave

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