FilingsForm 4
Funds tied to Magnetar Financial sold 254,525 CoreWeave shares for $36.5 million on Oct 16, 2025
Value$36.53 million, held indirectly
Shares254,525, held indirectly
Average price$143.51
FiledOct 17
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 254,525 CoreWeave shares made on Oct 16, 2025. The sales averaged $143.51 a share, for $36.5 million in all. The form's footnotes say the shares sold were held directly by Magnetar Alpha Star Fund LLC, Magnetar Capital Master Fund, Ltd and Magnetar Constellation Master Fund, Ltd, funds that Magnetar Financial LLC advises or manages. The Form 4 can be opened on the SEC's EDGAR site.1,2,3,4,5,6,7,8,9,10,11,12
How each figure was checked
- the reporting owner as filedMagnetar Financial LLC
- the owner's relationship to the companyowner of more than 10% of the shares
- shares sold, whole form254,525
- date of the tradesOct 16, 2025
- day the Form 4 was filedOct 17, 2025
- side of the tradessale
- value of the sales, whole form (USD)$36.53 million
- average price per share across the form (USD)$143.51
- footnote F7: what Magnetar Financial is to the fundsFootnotes of the Form 4 filed Oct 17, 2025 ↗
- footnote F10: the shares of some lines are held directly by Magnetar Alpha Star Fund LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
- footnote F11: the shares of some lines are held directly by Magnetar Capital Master Fund, LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
- footnote F12: the shares of some lines are held directly by Magnetar Constellation 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
- 0001104659-25-100516
- 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) · 905 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,791,827 held after · footnotes F7, F8, F9 and F10
- Line 2
- S (sale) · 2,985 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,788,842 held after · footnotes F1, F7, F8, F9 and F10
- Line 3
- S (sale) · 56,467 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,732,375 held after · footnotes F2, F7, F8, F9 and F10
- Line 4
- S (sale) · 3,850 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,728,525 held after · footnotes F3, F7, F8, F9 and F10
- Line 5
- S (sale) · 905 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,727,620 held after · footnotes F7, F8, F9 and F10
- Line 6
- S (sale) · 3,116 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,724,504 held after · footnotes F4, F7, F8, F9 and F10
- Line 7
- S (sale) · 3,619 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,720,885 held after · footnotes F5, F7, F8, F9 and F10
- Line 8
- S (sale) · 2,715 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,718,170 held after · footnotes F6, F7, F8, F9 and F10
- Line 9
- S (sale) · 1,809 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 1,716,361 held after · footnotes F7, F8, F9 and F10
- Line 10
- S (sale) · 94 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 323,371 held after · footnotes F7, F8, F9 and F11
- Line 11
- S (sale) · 325 Class A Common Stock at $141.43 · Oct 16, 2025 · disposed, indirectly, Footnotes · 323,046 held after · footnotes F1, F7, F8, F9 and F11
- Line 12
- S (sale) · 5,843 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 317,203 held after · footnotes F2, F7, F8, F9 and F11
- Line 13
- S (sale) · 400 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 316,803 held after · footnotes F3, F7, F8, F9 and F11
- Line 14
- S (sale) · 94 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 316,709 held after · footnotes F7, F8, F9 and F11
- Line 15
- S (sale) · 324 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 316,385 held after · footnotes F4, F7, F8, F9 and F11
- Line 16
- S (sale) · 375 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 316,010 held after · footnotes F5, F7, F8, F9 and F11
- Line 17
- S (sale) · 282 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 315,728 held after · footnotes F6, F7, F8, F9 and F11
- Line 18
- S (sale) · 187 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 315,541 held after · footnotes F7, F8, F9 and F11
- Line 19
- S (sale) · 2,017 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,514,858 held after · footnotes F7, F8, F9 and F12
- Line 20
- S (sale) · 6,652 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,508,206 held after · footnotes F1, F7, F8, F9 and F12
- Line 21
- S (sale) · 125,871 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,382,335 held after · footnotes F2, F7, F8, F9 and F12
- Line 22
- S (sale) · 8,580 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,373,755 held after · footnotes F3, F7, F8, F9 and F12
- Line 23
- S (sale) · 2,017 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,371,738 held after · footnotes F7, F8, F9 and F12
- Line 24
- S (sale) · 6,942 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,364,796 held after · footnotes F4, F7, F8, F9 and F12
- Line 25
- S (sale) · 8,067 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,356,729 held after · footnotes F5, F7, F8, F9 and F12
- Line 26
- S (sale) · 6,051 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,350,678 held after · footnotes F6, F7, F8, F9 and F12
- Line 27
- S (sale) · 4,033 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 5,346,645 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 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 each of Magnetar Capital Master Fund, Ltd and Magnetar Constellation Master Fund, Ltd, and the manager of Magnetar Alpha Star 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 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.
Insider purchases and sales of CoreWeave shares, since Aug 29, 2025
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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
- Open roles
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- Layoffs, 12 months
- No WARN notices in the US states we read
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