FilingsForm 4
Magnetar Financial LLC reported selling 1,271,277 CoreWeave shares for $152.68 million on Sep 17, 2025
Value$152.68 million, held indirectly
Shares1,271,277, held indirectly
Average price$120.10
FiledSep 17
Magnetar Financial LLC, listed as an owner of more than 10% of CoreWeave's shares, reported selling 1,271,277 shares for $152.68 million on Sep 17, 2025, at an average of $120.10 a share. The Form 4, the form an insider files when trading a company's shares, listed the shares as held indirectly; its footnotes said funds such as CW Opportunity 2 LP, to which Magnetar Financial LLC was investment adviser, held them directly. The Form 4 was filed on Sep 17, 2025 and can be read on SEC EDGAR.1,2,3,4,5,6,7,8,9,10
How each figure was checked
- ownerMagnetar Financial LLC
- relationshipowner of more than 10% of the shares
- shares1,271,277
- value$152.68 million
- first dateSep 17, 2025
- average price$120.1
- holding28 sale lines held indirectly (Footnotes)
- Magnetar Financial LLC is investment adviser to a fund named in the footnotesinvestment adviser to CW Opportunity 2 LPFootnotes of the Form 4 filed Sep 17, 2025 ↗
- a fund holds shares of this form directlyheld directly by CW Opportunity 2 LPFootnotes of the Form 4 filed Sep 17, 2025 ↗
- filed onSep 17, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-25-090961
- Filed
- Sep 17, 2025
- Period of report
- Sep 17, 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) · 18,457 Class A Common Stock at $118.96 · Sep 17, 2025 · disposed, indirectly, Footnotes · 7,001,556 held after · footnotes F1, F7, F8, F9 and F10
- Line 2
- S (sale) · 45,850 Class A Common Stock at $119.87 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,955,706 held after · footnotes F2, F7, F8, F9 and F10
- Line 3
- S (sale) · 29,443 Class A Common Stock at $121.00 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,926,263 held after · footnotes F3, F7, F8, F9 and F10
- Line 4
- S (sale) · 4,556 Class A Common Stock at $121.50 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,921,707 held after · footnotes F7, F8, F9 and F10
- Line 5
- S (sale) · 89,695 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 28,251,939 held after · footnotes F4, F7, F8, F9 and F11
- Line 6
- S (sale) · 206,824 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 28,045,115 held after · footnotes F5, F7, F8, F9 and F11
- Line 7
- S (sale) · 110,398 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 27,934,717 held after · footnotes F6, F7, F8, F9 and F11
- Line 8
- S (sale) · 11,761 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 2,368,029 held after · footnotes F4, F7, F8, F9 and F12
- Line 9
- S (sale) · 27,115 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 2,340,914 held after · footnotes F5, F7, F8, F9 and F12
- Line 10
- S (sale) · 14,473 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 2,326,441 held after · footnotes F6, F7, F8, F9 and F12
- Line 11
- S (sale) · 1,218 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 382,950 held after · footnotes F4, F7, F8, F9 and F13
- Line 12
- S (sale) · 2,805 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 380,145 held after · footnotes F5, F7, F8, F9 and F13
- Line 13
- S (sale) · 1,497 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 378,648 held after · footnotes F6, F7, F8, F9 and F13
- Line 14
- S (sale) · 26,217 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,799,292 held after · footnotes F4, F7, F8, F9 and F14
- Line 15
- S (sale) · 60,445 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,738,847 held after · footnotes F5, F7, F8, F9 and F14
- Line 16
- S (sale) · 32,265 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 6,706,582 held after · footnotes F6, F7, F8, F9 and F14
- Line 17
- S (sale) · 35,993 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 8,665,444 held after · footnotes F4, F7, F8, F9 and F15
- Line 18
- S (sale) · 82,986 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 8,582,458 held after · footnotes F5, F7, F8, F9 and F15
- Line 19
- S (sale) · 44,297 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 8,538,161 held after · footnotes F6, F7, F8, F9 and F15
- Line 20
- S (sale) · 45,109 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 9,531,882 held after · footnotes F4, F7, F8, F9 and F16
- Line 21
- S (sale) · 104,020 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 9,427,862 held after · footnotes F5, F7, F8, F9 and F16
- Line 22
- S (sale) · 55,525 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 9,372,337 held after · footnotes F6, F7, F8, F9 and F16
- Line 23
- S (sale) · 10,192 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 1,874,495 held after · footnotes F4, F7, F8, F9 and F17
- Line 24
- S (sale) · 23,500 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 1,850,995 held after · footnotes F5, F7, F8, F9 and F17
- Line 25
- S (sale) · 12,544 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 1,838,451 held after · footnotes F6, F7, F8, F9 and F17
- Line 26
- S (sale) · 38,376 Class A Common Stock at $119.06 · Sep 17, 2025 · disposed, indirectly, Footnotes · 11,178,750 held after · footnotes F4, F7, F8, F9 and F18
- Line 27
- S (sale) · 88,484 Class A Common Stock at $119.97 · Sep 17, 2025 · disposed, indirectly, Footnotes · 11,090,266 held after · footnotes F5, F7, F8, F9 and F18
- Line 28
- S (sale) · 47,232 Class A Common Stock at $121.17 · Sep 17, 2025 · disposed, indirectly, Footnotes · 11,043,034 held after · footnotes F6, F7, F8, F9 and F18
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.50 to $119.49, 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 $119.50 to $120.24, 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 $120.50 to $121.46, 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 $118.75 to $119.50, 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 $119.75 to $120.51, 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 $120.95 to $121.50, inclusive.
- Footnote F7
- 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, 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 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 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 CW Opportunity 2 LP.
- Footnote F11
- These securities are held directly by CW Opportunity LLC.
- Footnote F12
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F13
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F14
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F15
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F16
- These securities are held directly by Magnetar Longhorn Fund LP.
- Footnote F17
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F18
- These securities are held directly by Magnetar Structured Credit 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
- 294 open roles · 7 posted this week · 1 job board
- Layoffs, 12 months
- No WARN notices in the US states we read
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