FilingsForm 4
Magnetar funds sold 531,599 CoreWeave shares for $71.78 million on Oct 27, 2025
Value$71.78 million, held indirectly
Shares531,599, held indirectly
Average price$135.02
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 531,599 shares on Oct 27, 2025, at an average of $135.02 a share, for $71.78 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 29, 2025.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25
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 form531,599
- day of the tradesOct 27, 2025
- average price per share$135.02
- value of the sales on the form$71.78 million
- how the sale lines are held28 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 F11: who held shares directlyheld directly by CW Opportunity 2 LPFootnotes of the same Form 4 ↗
- footnote F12: who held shares directlyheld directly by CW Opportunity LLCFootnotes of the same Form 4 ↗
- footnote F13: who held shares directlyheld directly by Longhorn Special Opportunities Fund LPFootnotes of the same Form 4 ↗
- footnote F14: who held shares directlyheld directly by Magnetar Alpha Star Fund LLCFootnotes of the same Form 4 ↗
- footnote F15: who held shares directlyheld directly by Magnetar Capital Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F16: who held shares directlyheld directly by Magnetar Constellation Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F17: who held shares directlyheld directly by Magnetar Lake Credit Fund LLCFootnotes of the same Form 4 ↗
- footnote F18: who held shares directlyheld directly by Magnetar Longhorn Fund LPFootnotes of the same Form 4 ↗
- footnote F19: who held shares directlyheld directly by Magnetar SC Fund LtdFootnotes of the same Form 4 ↗
- footnote F20: who held shares directlyheld directly by Magnetar Structured Credit Fund, LPFootnotes of the same Form 4 ↗
- footnote F21: who held shares directlyheld directly by Magnetar Xing He Master Fund LtdFootnotes of the same Form 4 ↗
- footnote F22: who held shares directlyheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the same Form 4 ↗
- footnote F23: 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
- 0001104659-25-103908
- Filed
- Oct 29, 2025
- Period of report
- Oct 27, 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) · 500 Class A Common Stock at $133.42 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,766,647 held after · footnotes F1, F8, F9, F10 and F11
- Line 2
- S (sale) · 15,253 Class A Common Stock at $134.48 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,751,394 held after · footnotes F2, F8, F9, F10 and F11
- Line 3
- S (sale) · 19,115 Class A Common Stock at $135.48 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,732,279 held after · footnotes F3, F8, F9, F10 and F11
- Line 4
- S (sale) · 359 Class A Common Stock at $136.10 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,731,920 held after · footnotes F4, F8, F9, F10 and F11
- Line 5
- S (sale) · 95,904 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 23,101,947 held after · footnotes F5, F8, F9, F10 and F12
- Line 6
- S (sale) · 49,953 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 23,051,994 held after · footnotes F6, F8, F9, F10 and F12
- Line 7
- S (sale) · 10,338 Class A Common Stock at $135.70 · Oct 27, 2025 · disposed, indirectly, Footnotes · 2,194,394 held after · footnotes F3, F8, F9, F10 and F13
- Line 8
- S (sale) · 278 Class A Common Stock at $136.04 · Oct 27, 2025 · disposed, indirectly, Footnotes · 2,194,116 held after · footnotes F8, F9, F10 and F13
- Line 9
- S (sale) · 12,573 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 1,692,833 held after · footnotes F5, F8, F9, F10 and F14
- Line 10
- S (sale) · 6,551 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 1,686,282 held after · footnotes F6, F8, F9, F10 and F14
- Line 11
- S (sale) · 1,300 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 313,105 held after · footnotes F5, F8, F9, F10 and F15
- Line 12
- S (sale) · 678 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 312,427 held after · footnotes F6, F8, F9, F10 and F15
- Line 13
- S (sale) · 28,026 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,294,166 held after · footnotes F5, F8, F9, F10 and F16
- Line 14
- S (sale) · 14,602 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 5,279,564 held after · footnotes F6, F8, F9, F10 and F16
- Line 15
- S (sale) · 38,480 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 6,599,108 held after · footnotes F5, F8, F9, F10 and F17
- Line 16
- S (sale) · 20,042 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 6,579,066 held after · footnotes F6, F8, F9, F10 and F17
- Line 17
- S (sale) · 47,955 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 9,154,908 held after · footnotes F5, F8, F9, F10 and F18
- Line 18
- S (sale) · 14,786 Class A Common Stock at $135.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 9,140,122 held after · footnotes F7, F8, F9, F10 and F18
- Line 19
- S (sale) · 10,897 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 1,289,279 held after · footnotes F5, F8, F9, F10 and F19
- Line 20
- S (sale) · 5,678 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 1,283,601 held after · footnotes F6, F8, F9, F10 and F19
- Line 21
- S (sale) · 41,029 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 8,975,449 held after · footnotes F5, F8, F9, F10 and F20
- Line 22
- S (sale) · 21,372 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 8,954,077 held after · footnotes F6, F8, F9, F10 and F20
- Line 23
- S (sale) · 25,287 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 3,419,319 held after · footnotes F5, F8, F9, F10 and F21
- Line 24
- S (sale) · 13,171 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 3,406,148 held after · footnotes F6, F8, F9, F10 and F21
- Line 25
- S (sale) · 20,370 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 3,155,182 held after · footnotes F5, F8, F9, F10 and F22
- Line 26
- S (sale) · 10,611 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 3,144,571 held after · footnotes F6, F8, F9, F10 and F22
- Line 27
- S (sale) · 4,267 Class A Common Stock at $134.67 · Oct 27, 2025 · disposed, indirectly, Footnotes · 898,371 held after · footnotes F5, F8, F9, F10 and F23
- Line 28
- S (sale) · 2,224 Class A Common Stock at $135.69 · Oct 27, 2025 · disposed, indirectly, Footnotes · 896,147 held after · footnotes F6, F8, F9, F10 and F23
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $132.94 to $133.91, 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, 6, 7.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $133.96 to $134.94, 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 $135.00 to $135.99, 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 $136.03 to $136.38, 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 $134.33 to $135.32, 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 $135.50 to $136.04, inclusive.
- Footnote F7
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.50 to $135.99, inclusive.
- Footnote F8
- 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 F9
- 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 F10
- 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 F11
- These securities are held directly by CW Opportunity 2 LP.
- Footnote F12
- These securities are held directly by CW Opportunity LLC.
- Footnote F13
- These securities are held directly by Longhorn Special Opportunities Fund LP.
- Footnote F14
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F15
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F16
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F17
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F18
- These securities are held directly by Magnetar Longhorn Fund LP.
- Footnote F19
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F20
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- Footnote F21
- These securities are held directly by Magnetar Xing He Master Fund Ltd.
- Footnote F22
- These securities are held directly by Purpose Alternative Credit Fund - F LLC.
- Footnote F23
- 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
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- Layoffs, 12 months
- No WARN notices in the US states we read
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