FilingsForm 4
Magnetar funds sold 44,181 CoreWeave shares for $6.04 million on Oct 20, 2025
Value$6.04 million, held indirectly
Shares44,181, held indirectly
Average price$136.73
FiledOct 22
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 44,181 shares on Oct 20, 2025, at an average of $136.73 a share, for $6.04 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, general partner or manager. 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 22, 2025.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24
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 form44,181
- day of the tradesOct 20, 2025
- average price per share$136.73
- value of the sales on the form$6.04 million
- how the sale lines are held25 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 listsFootnotes of the same Form 4 ↗
- footnote on Magnetar Financial's role toward the Magnetar FundsMagnetar Financial: general partner of a fund; manager of a fund; the footnote calls these funds the Magnetar FundsFootnotes of the same Form 4 ↗
- footnote F6: who held shares directlyheld directly by CW Opportunity 2 LPFootnotes of the same Form 4 ↗
- footnote F7: who held shares directlyheld directly by CW Opportunity LLCFootnotes of the same Form 4 ↗
- footnote F8: who held shares directlyheld directly by Longhorn Special Opportunities Fund LPFootnotes of the same Form 4 ↗
- footnote F9: who held shares directlyheld directly by Magnetar Alpha Star Fund LLCFootnotes of the same Form 4 ↗
- footnote F10: who held shares directlyheld directly by Magnetar Capital Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F11: who held shares directlyheld directly by Magnetar Constellation Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F12: who held shares directlyheld directly by Magnetar Lake Credit Fund LLCFootnotes of the same Form 4 ↗
- footnote F13: who held shares directlyheld directly by Magnetar SC Fund LtdFootnotes of the same Form 4 ↗
- footnote F14: who held shares directlyheld directly by Magnetar Structured Credit Fund, LPFootnotes of the same Form 4 ↗
- footnote F15: who held shares directlyheld directly by Magnetar Xing He Master Fund LtdFootnotes of the same Form 4 ↗
- footnote F16: who held shares directlyheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the same Form 4 ↗
- footnote F17: 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 22, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-25-101624
- Filed
- Oct 22, 2025
- Period of report
- Oct 20, 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) · 1,635 Class A Common Stock at $135.59 · Oct 20, 2025 · disposed, indirectly, Footnotes · 5,768,439 held after · footnotes F1, F3, F4, F5 and F6
- Line 2
- S (sale) · 80 Class A Common Stock at $136.00 · Oct 20, 2025 · disposed, indirectly, Footnotes · 5,768,359 held after · footnotes F3, F4, F5 and F6
- Line 3
- S (sale) · 1,212 Class A Common Stock at $138.24 · Oct 20, 2025 · disposed, indirectly, Footnotes · 5,767,147 held after · footnotes F2, F3, F4, F5 and F6
- Line 4
- S (sale) · 7,018 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 23,202,951 held after · footnotes F3, F4, F5 and F7
- Line 5
- S (sale) · 5,100 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 23,197,851 held after · footnotes F2, F3, F4, F5 and F7
- Line 6
- S (sale) · 3,530 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 2,207,297 held after · footnotes F3, F4, F5 and F8
- Line 7
- S (sale) · 2,565 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 2,204,732 held after · footnotes F2, F3, F4, F5 and F8
- Line 8
- S (sale) · 920 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 1,706,073 held after · footnotes F3, F4, F5 and F9
- Line 9
- S (sale) · 667 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 1,705,406 held after · footnotes F2, F3, F4, F5 and F9
- Line 10
- S (sale) · 95 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 314,477 held after · footnotes F3, F4, F5 and F10
- Line 11
- S (sale) · 72 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 314,405 held after · footnotes F2, F3, F4, F5 and F10
- Line 12
- S (sale) · 2,051 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 5,323,694 held after · footnotes F3, F4, F5 and F11
- Line 13
- S (sale) · 1,502 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 5,322,192 held after · footnotes F2, F3, F4, F5 and F11
- Line 14
- S (sale) · 2,816 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 6,639,634 held after · footnotes F3, F4, F5 and F12
- Line 15
- S (sale) · 2,046 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 6,637,588 held after · footnotes F2, F3, F4, F5 and F12
- Line 16
- S (sale) · 798 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 1,300,758 held after · footnotes F3, F4, F5 and F13
- Line 17
- S (sale) · 582 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 1,300,176 held after · footnotes F2, F3, F4, F5 and F13
- Line 18
- S (sale) · 3,003 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 9,018,661 held after · footnotes F3, F4, F5 and F14
- Line 19
- S (sale) · 2,183 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 9,016,478 held after · footnotes F2, F3, F4, F5 and F14
- Line 20
- S (sale) · 1,851 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 3,445,950 held after · footnotes F3, F4, F5 and F15
- Line 21
- S (sale) · 1,344 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 3,444,606 held after · footnotes F2, F3, F4, F5 and F15
- Line 22
- S (sale) · 1,491 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 3,176,635 held after · footnotes F3, F4, F5 and F16
- Line 23
- S (sale) · 1,083 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 3,175,552 held after · footnotes F2, F3, F4, F5 and F16
- Line 24
- S (sale) · 313 Class A Common Stock at $135.62 · Oct 20, 2025 · disposed, indirectly, Footnotes · 902,862 held after · footnotes F3, F4, F5 and F17
- Line 25
- S (sale) · 224 Class A Common Stock at $138.26 · Oct 20, 2025 · disposed, indirectly, Footnotes · 902,638 held after · footnotes F2, F3, F4, F5 and F17
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.00 to $135.62, 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 footnote 2.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.80 to $138.47, inclusive.
- Footnote F3
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 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, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, 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 F4
- 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 F5
- 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 F6
- These securities are held directly by CW Opportunity 2 LP.
- Footnote F7
- These securities are held directly by CW Opportunity LLC.
- Footnote F8
- These securities are held directly by Longhorn Special Opportunities Fund LP.
- Footnote F9
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F10
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F11
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F12
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F13
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F14
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- Footnote F15
- These securities are held directly by Magnetar Xing He Master Fund Ltd.
- Footnote F16
- These securities are held directly by Purpose Alternative Credit Fund - F LLC.
- Footnote F17
- These securities are held directly by Purpose Alternative Credit Fund - T LLC.
- Footnote F18
- 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
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