FilingsForm 4
Magnetar funds sold 378,293 CoreWeave shares for $52.44 million on Oct 28, 2025
Value$52.44 million, held indirectly
Shares378,293, held indirectly
Average price$138.61
FiledOct 29
A Form 4 (the form an insider files when trading a company's shares) that lists Magnetar Financial LLC as a reporting owner and an owner of more than 10% of CoreWeave's shares reported the sale of 378,293 shares on Oct 28, 2025, at an average of $138.61 a share, for $52.44 million. The form lists the shares as held indirectly, and its footnotes say they were held directly by funds for which Magnetar Financial served as adviser or general partner. The form's Rule 10b5-1 box, which flags trades made under a pre-arranged plan, was not ticked. The filing is on the SEC's EDGAR database and was filed on Oct 29, 2025.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
How each figure was checked
- reporting owner as the form names itMagnetar Financial LLC
- the owner's relationship to the issuerowner of more than 10% of the shares
- every reporting owner of the formMagnetar Financial LLC (owner of more than 10% of the shares); Magnetar Capital Partners LP (owner of more than 10% of the shares); Supernova Management LLC (owner of more than 10% of the shares); David J. Snyderman (filed as Snyderman David J.; owner of more than 10% of the shares)
- shares sold on the form378,293
- day of the tradesOct 28, 2025
- average price per share$138.61
- value of the sales on the form$52.44 million
- how the sale lines are held24 sale lines held indirectly (Footnotes)
- footnote on Magnetar Financial's role toward the Magnetar FundsMagnetar Financial: adviser to the funds this part of the footnote lists; general partner of a fund; the footnote calls these funds the Magnetar FundsFootnotes of the same Form 4 ↗
- footnote F9: who held shares directlyheld directly by Magnetar Structured Credit Fund, LPFootnotes of the same Form 4 ↗
- footnote F10: who held shares directlyheld directly by Magnetar Xing He Master Fund LtdFootnotes of the same Form 4 ↗
- footnote F11: who held shares directlyheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the same Form 4 ↗
- footnote F12: who held shares directlyheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the same Form 4 ↗
- the Rule 10b5-1 boxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 plan
- day the form was filedOct 29, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-25-103912
- Filed
- Oct 29, 2025
- Period of report
- Oct 28, 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) · 5,992 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,948,085 held after · footnotes F1, F6, F7, F8 and F9
- Line 2
- S (sale) · 708 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,947,377 held after · footnotes F2, F6, F7, F8 and F9
- Line 3
- S (sale) · 108,325 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,839,052 held after · footnotes F3, F6, F7, F8 and F9
- Line 4
- S (sale) · 40,148 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,798,904 held after · footnotes F4, F6, F7, F8 and F9
- Line 5
- S (sale) · 14,618 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,784,286 held after · footnotes F5, F6, F7, F8 and F9
- Line 6
- S (sale) · 856 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 8,783,430 held after · footnotes F6, F7, F8 and F9
- Line 7
- S (sale) · 3,694 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,402,454 held after · footnotes F1, F6, F7, F8 and F10
- Line 8
- S (sale) · 438 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,402,016 held after · footnotes F2, F6, F7, F8 and F10
- Line 9
- S (sale) · 66,761 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,335,255 held after · footnotes F3, F6, F7, F8 and F10
- Line 10
- S (sale) · 24,739 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,310,516 held after · footnotes F4, F6, F7, F8 and F10
- Line 11
- S (sale) · 9,008 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,301,508 held after · footnotes F5, F6, F7, F8 and F10
- Line 12
- S (sale) · 527 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,300,981 held after · footnotes F6, F7, F8 and F10
- Line 13
- S (sale) · 2,977 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,141,594 held after · footnotes F1, F6, F7, F8 and F11
- Line 14
- S (sale) · 354 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,141,240 held after · footnotes F2, F6, F7, F8 and F11
- Line 15
- S (sale) · 53,782 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,087,458 held after · footnotes F3, F6, F7, F8 and F11
- Line 16
- S (sale) · 19,934 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,067,524 held after · footnotes F4, F6, F7, F8 and F11
- Line 17
- S (sale) · 7,259 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,060,265 held after · footnotes F5, F6, F7, F8 and F11
- Line 18
- S (sale) · 425 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 3,059,840 held after · footnotes F6, F7, F8 and F11
- Line 19
- S (sale) · 622 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 895,525 held after · footnotes F1, F6, F7, F8 and F12
- Line 20
- S (sale) · 72 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 895,453 held after · footnotes F2, F6, F7, F8 and F12
- Line 21
- S (sale) · 11,267 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 884,186 held after · footnotes F3, F6, F7, F8 and F12
- Line 22
- S (sale) · 4,177 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 880,009 held after · footnotes F4, F6, F7, F8 and F12
- Line 23
- S (sale) · 1,521 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 878,488 held after · footnotes F5, F6, F7, F8 and F12
- Line 24
- S (sale) · 89 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 878,399 held after · footnotes F6, F7, F8 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 $134.83 to $135.80, 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, and 5.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.40 to $137.09, 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 $137.40 to $138.38, 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 $138.67 to $139.59, 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 $139.70 to $140.59, inclusive.
- Footnote F6
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC and the general partner of Magnetar Structured Credit Fund, LP (collectively, the "Magnetar Funds").
- Footnote F7
- 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 F8
- 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 F9
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- 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.
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
- 293 open roles · 5 posted this week · 1 job board
- Layoffs, 12 months
- No WARN notices in the US states we read
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