FilingsForm 4
Funds tied to Magnetar Financial sold 303,206 CoreWeave shares for $43.5 million on Oct 16, 2025
Value$43.51 million, held indirectly
Shares303,206, 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 303,206 CoreWeave shares made on Oct 16, 2025. The sales averaged $143.51 a share, for $43.5 million in all. The form's footnotes say the shares sold were held directly by Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, funds that Magnetar Financial LLC advises. 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 form303,206
- 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)$43.51 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 Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 17, 2025 ↗
- footnote F11: the shares of some lines are held directly by Purpose Alternative Credit Fund - F LLCFootnotes of the Form 4 filed Oct 17, 2025 ↗
- footnote F12: the shares of some lines are held directly by Purpose Alternative Credit Fund - T 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
- 0001104659-25-100518
- 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) · 1,819 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,618,407 held after · footnotes F7, F8, F9 and F10
- Line 2
- S (sale) · 5,998 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,612,409 held after · footnotes F1, F7, F8, F9 and F10
- Line 3
- S (sale) · 113,559 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,498,850 held after · footnotes F2, F7, F8, F9 and F10
- Line 4
- S (sale) · 7,739 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,491,111 held after · footnotes F3, F7, F8, F9 and F10
- Line 5
- S (sale) · 1,819 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,489,292 held after · footnotes F7, F8, F9 and F10
- Line 6
- S (sale) · 6,261 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,483,031 held after · footnotes F4, F7, F8, F9 and F10
- Line 7
- S (sale) · 7,277 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,475,754 held after · footnotes F5, F7, F8, F9 and F10
- Line 8
- S (sale) · 5,457 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,470,297 held after · footnotes F6, F7, F8, F9 and F10
- Line 9
- S (sale) · 3,639 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,466,658 held after · footnotes F7, F8, F9 and F10
- Line 10
- S (sale) · 1,466 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,315,572 held after · footnotes F7, F8, F9 and F11
- Line 11
- S (sale) · 4,834 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,310,738 held after · footnotes F1, F7, F8, F9 and F11
- Line 12
- S (sale) · 91,480 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,219,258 held after · footnotes F2, F7, F8, F9 and F11
- Line 13
- S (sale) · 6,236 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,213,022 held after · footnotes F3, F7, F8, F9 and F11
- Line 14
- S (sale) · 1,466 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,211,556 held after · footnotes F7, F8, F9 and F11
- Line 15
- S (sale) · 5,046 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,206,510 held after · footnotes F4, F7, F8, F9 and F11
- Line 16
- S (sale) · 5,863 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,200,647 held after · footnotes F5, F7, F8, F9 and F11
- Line 17
- S (sale) · 4,398 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,196,249 held after · footnotes F6, F7, F8, F9 and F11
- Line 18
- S (sale) · 2,931 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 3,193,318 held after · footnotes F7, F8, F9 and F11
- Line 19
- S (sale) · 307 Class A Common Stock at $140.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 931,965 held after · footnotes F7, F8, F9 and F12
- Line 20
- S (sale) · 1,011 Class A Common Stock at $141.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 930,954 held after · footnotes F1, F7, F8, F9 and F12
- Line 21
- S (sale) · 19,166 Class A Common Stock at $142.85 · Oct 16, 2025 · disposed, indirectly, Footnotes · 911,788 held after · footnotes F2, F7, F8, F9 and F12
- Line 22
- S (sale) · 1,306 Class A Common Stock at $143.32 · Oct 16, 2025 · disposed, indirectly, Footnotes · 910,482 held after · footnotes F3, F7, F8, F9 and F12
- Line 23
- S (sale) · 307 Class A Common Stock at $144.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 910,175 held after · footnotes F7, F8, F9 and F12
- Line 24
- S (sale) · 1,058 Class A Common Stock at $145.42 · Oct 16, 2025 · disposed, indirectly, Footnotes · 909,117 held after · footnotes F4, F7, F8, F9 and F12
- Line 25
- S (sale) · 1,228 Class A Common Stock at $147.83 · Oct 16, 2025 · disposed, indirectly, Footnotes · 907,889 held after · footnotes F5, F7, F8, F9 and F12
- Line 26
- S (sale) · 921 Class A Common Stock at $148.58 · Oct 16, 2025 · disposed, indirectly, Footnotes · 906,968 held after · footnotes F6, F7, F8, F9 and F12
- Line 27
- S (sale) · 614 Class A Common Stock at $150.00 · Oct 16, 2025 · disposed, indirectly, Footnotes · 906,354 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 each of Magnetar Longhorn Fund LP, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T 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 Xing He Master Fund Ltd.
- Footnote F11
- These securities are held directly by Purpose Alternative Credit Fund - F LLC.
- Footnote F12
- These securities are held directly by Purpose Alternative Credit Fund - T LLC.
- Footnote F13
- These securities are held directly by Magnetar Longhorn Fund LP.
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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