FilingsForm 4
Magnetar funds sold 435,637 CoreWeave shares for $60.38 million on Oct 28, 2025
Value$60.38 million, held indirectly
Shares435,637, 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 435,637 shares on Oct 28, 2025, at an average of $138.61 a share, for $60.38 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 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
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 form435,637
- day of the tradesOct 28, 2025
- average price per share$138.61
- value of the sales on the form$60.38 million
- how the sale lines are held30 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; manager 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 Capital Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F10: who held shares directlyheld directly by Magnetar Constellation Master Fund, LtdFootnotes of the same Form 4 ↗
- footnote F11: who held shares directlyheld directly by Magnetar Lake Credit Fund LLCFootnotes of the same Form 4 ↗
- footnote F12: who held shares directlyheld directly by Magnetar Longhorn Fund LPFootnotes of the same Form 4 ↗
- footnote F13: who held shares directlyheld directly by Magnetar SC Fund LtdFootnotes 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
- 0001104659-25-103911
- 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) · 192 Class A Common Stock at $134.89 · Oct 28, 2025 · disposed, indirectly, Footnotes · 312,235 held after · footnotes F1, F6, F7, F8 and F9
- Line 2
- S (sale) · 24 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 312,211 held after · footnotes F2, F6, F7, F8 and F9
- Line 3
- S (sale) · 3,434 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 308,777 held after · footnotes F3, F6, F7, F8 and F9
- Line 4
- S (sale) · 1,277 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 307,500 held after · footnotes F4, F6, F7, F8 and F9
- Line 5
- S (sale) · 465 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 307,035 held after · footnotes F5, F6, F7, F8 and F9
- Line 6
- S (sale) · 28 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 307,007 held after · footnotes F6, F7, F8 and F9
- Line 7
- S (sale) · 4,095 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,275,469 held after · footnotes F1, F6, F7, F8 and F10
- Line 8
- S (sale) · 486 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,274,983 held after · footnotes F2, F6, F7, F8 and F10
- Line 9
- S (sale) · 74,000 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,200,983 held after · footnotes F3, F6, F7, F8 and F10
- Line 10
- S (sale) · 27,429 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,173,554 held after · footnotes F4, F6, F7, F8 and F10
- Line 11
- S (sale) · 9,988 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,163,566 held after · footnotes F5, F6, F7, F8 and F10
- Line 12
- S (sale) · 585 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 5,162,981 held after · footnotes F6, F7, F8 and F10
- Line 13
- S (sale) · 5,621 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,573,445 held after · footnotes F1, F6, F7, F8 and F11
- Line 14
- S (sale) · 666 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,572,779 held after · footnotes F2, F6, F7, F8 and F11
- Line 15
- S (sale) · 101,592 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,471,187 held after · footnotes F3, F6, F7, F8 and F11
- Line 16
- S (sale) · 37,647 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,433,540 held after · footnotes F4, F6, F7, F8 and F11
- Line 17
- S (sale) · 13,708 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,419,832 held after · footnotes F5, F6, F7, F8 and F11
- Line 18
- S (sale) · 802 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 6,419,030 held after · footnotes F6, F7, F8 and F11
- Line 19
- S (sale) · 3,802 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,136,320 held after · footnotes F1, F6, F7, F8 and F12
- Line 20
- S (sale) · 450 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,135,870 held after · footnotes F2, F6, F7, F8 and F12
- Line 21
- S (sale) · 68,734 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,067,136 held after · footnotes F3, F6, F7, F8 and F12
- Line 22
- S (sale) · 25,472 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,041,664 held after · footnotes F4, F6, F7, F8 and F12
- Line 23
- S (sale) · 9,275 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,032,389 held after · footnotes F5, F6, F7, F8 and F12
- Line 24
- S (sale) · 543 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 9,031,846 held after · footnotes F6, F7, F8 and F12
- Line 25
- S (sale) · 1,590 Class A Common Stock at $134.88 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,282,011 held after · footnotes F1, F6, F7, F8 and F13
- Line 26
- S (sale) · 186 Class A Common Stock at $136.86 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,281,825 held after · footnotes F2, F6, F7, F8 and F13
- Line 27
- S (sale) · 28,773 Class A Common Stock at $138.38 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,253,052 held after · footnotes F3, F6, F7, F8 and F13
- Line 28
- S (sale) · 10,662 Class A Common Stock at $139.18 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,242,390 held after · footnotes F4, F6, F7, F8 and F13
- Line 29
- S (sale) · 3,883 Class A Common Stock at $140.21 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,238,507 held after · footnotes F5, F6, F7, F8 and F13
- Line 30
- S (sale) · 228 Class A Common Stock at $141.74 · Oct 28, 2025 · disposed, indirectly, Footnotes · 1,238,279 held after · footnotes F6, F7, F8 and F13
- 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 Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd and the manager of Magnetar Lake Credit Fund LLC (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 Capital Master Fund, Ltd.
- Footnote F10
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F11
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F12
- These securities are held directly by Magnetar Longhorn Fund LP.
- Footnote F13
- These securities are held directly by Magnetar SC 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
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- Layoffs, 12 months
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