FilingsForm 4
Magnetar funds sold 1,151,054 CoreWeave shares for $144.57 million on Sep 19, 2025
Value$144.57 million, held indirectly
Shares1,151,054, held indirectly
Average price$125.60
FiledSep 22
Magnetar funds sold 1,151,054 CoreWeave shares for $144.57 million on Sep 19, 2025, at an average of $125.60 a share. The sales are reported on a Form 4, the form that insiders and large shareholders file when they trade a company's shares, filed by Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, each listed as an owner of more than 10% of the shares. The form marks the shares as held indirectly, and its footnotes name the funds that hold them directly, such as Magnetar Lake Credit Fund LLC and Magnetar Constellation Master Fund, Ltd. The Form 4 was filed with the SEC on Sep 22, 2025.1,2,3,4,5,6,7,8,9,10
How each figure was checked
- shares sold, all sale lines of the form1,151,054
- value of the sales$144.57 million
- date of the salesSep 19, 2025
- average price per share$125.6
- Magnetar Financial advises the funds (footnote)Footnotes of the Form 4 filed Sep 22, 2025 ↗
- a footnote names the fund that holds the shares directlyFootnotes of the Form 4 filed Sep 22, 2025 ↗
- a second footnote names another fund that holds shares directlyFootnotes of the Form 4 filed Sep 22, 2025 ↗
- the form's reporting owners and their relationshipMagnetar 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)
- how the sold shares are held30 sale lines held indirectly (Footnotes)
- filing dateSep 22, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-25-092240
- Filed
- Sep 22, 2025
- Period of report
- Sep 19, 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) · 2,662 Class A Common Stock at $121.90 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,604,823 held after · footnotes F1, F6, F7, F8 and F9
- Line 2
- S (sale) · 30,243 Class A Common Stock at $124.67 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,574,580 held after · footnotes F2, F6, F7, F8 and F9
- Line 3
- S (sale) · 143,171 Class A Common Stock at $125.30 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,431,409 held after · footnotes F3, F6, F7, F8 and F9
- Line 4
- S (sale) · 26,208 Class A Common Stock at $126.60 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,405,201 held after · footnotes F4, F6, F7, F8 and F9
- Line 5
- S (sale) · 20,163 Class A Common Stock at $127.96 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,385,038 held after · footnotes F5, F6, F7, F8 and F9
- Line 6
- S (sale) · 2,016 Class A Common Stock at $128.66 · Sep 19, 2025 · disposed, indirectly, Footnotes · 6,383,022 held after · footnotes F6, F7, F8 and F9
- Line 7
- S (sale) · 3,654 Class A Common Stock at $121.90 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,398,451 held after · footnotes F1, F6, F7, F8 and F10
- Line 8
- S (sale) · 41,523 Class A Common Stock at $124.67 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,356,928 held after · footnotes F2, F6, F7, F8 and F10
- Line 9
- S (sale) · 196,560 Class A Common Stock at $125.30 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,160,368 held after · footnotes F3, F6, F7, F8 and F10
- Line 10
- S (sale) · 35,984 Class A Common Stock at $126.60 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,124,384 held after · footnotes F4, F6, F7, F8 and F10
- Line 11
- S (sale) · 27,683 Class A Common Stock at $127.96 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,096,701 held after · footnotes F5, F6, F7, F8 and F10
- Line 12
- S (sale) · 2,768 Class A Common Stock at $128.66 · Sep 19, 2025 · disposed, indirectly, Footnotes · 8,093,933 held after · footnotes F6, F7, F8 and F10
- Line 13
- S (sale) · 1,039 Class A Common Stock at $121.90 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,798,884 held after · footnotes F1, F6, F7, F8 and F11
- Line 14
- S (sale) · 11,760 Class A Common Stock at $124.67 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,787,124 held after · footnotes F2, F6, F7, F8 and F11
- Line 15
- S (sale) · 55,668 Class A Common Stock at $125.30 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,731,456 held after · footnotes F3, F6, F7, F8 and F11
- Line 16
- S (sale) · 10,192 Class A Common Stock at $126.60 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,721,264 held after · footnotes F4, F6, F7, F8 and F11
- Line 17
- S (sale) · 7,840 Class A Common Stock at $127.96 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,713,424 held after · footnotes F5, F6, F7, F8 and F11
- Line 18
- S (sale) · 784 Class A Common Stock at $128.66 · Sep 19, 2025 · disposed, indirectly, Footnotes · 1,712,640 held after · footnotes F6, F7, F8 and F11
- Line 19
- S (sale) · 3,896 Class A Common Stock at $121.90 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,894,067 held after · footnotes F1, F6, F7, F8 and F12
- Line 20
- S (sale) · 44,280 Class A Common Stock at $124.67 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,849,787 held after · footnotes F2, F6, F7, F8 and F12
- Line 21
- S (sale) · 209,590 Class A Common Stock at $125.30 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,640,197 held after · footnotes F3, F6, F7, F8 and F12
- Line 22
- S (sale) · 38,376 Class A Common Stock at $126.60 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,601,821 held after · footnotes F4, F6, F7, F8 and F12
- Line 23
- S (sale) · 29,520 Class A Common Stock at $127.96 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,572,301 held after · footnotes F5, F6, F7, F8 and F12
- Line 24
- S (sale) · 2,952 Class A Common Stock at $128.66 · Sep 19, 2025 · disposed, indirectly, Footnotes · 10,569,349 held after · footnotes F6, F7, F8 and F12
- Line 25
- S (sale) · 2,403 Class A Common Stock at $121.90 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,601,749 held after · footnotes F1, F6, F7, F8 and F13
- Line 26
- S (sale) · 27,288 Class A Common Stock at $124.67 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,574,461 held after · footnotes F2, F6, F7, F8 and F13
- Line 27
- S (sale) · 129,172 Class A Common Stock at $125.30 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,445,289 held after · footnotes F3, F6, F7, F8 and F13
- Line 28
- S (sale) · 23,647 Class A Common Stock at $126.60 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,421,642 held after · footnotes F4, F6, F7, F8 and F13
- Line 29
- S (sale) · 18,193 Class A Common Stock at $127.96 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,403,449 held after · footnotes F5, F6, F7, F8 and F13
- Line 30
- S (sale) · 1,819 Class A Common Stock at $128.66 · Sep 19, 2025 · disposed, indirectly, Footnotes · 4,401,630 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 $121.78 to $122.03, 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 $124.00 to $124.95, 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 $125.00 to $125.76, 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 $126.00 to $126.98, 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 $127.58 to $128.30, inclusive.
- Footnote F6
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar SC Fund Ltd and Magnetar Xing He Master Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP 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 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 Constellation Master Fund, Ltd.
- Footnote F10
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F11
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F12
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- Footnote F13
- These securities are held directly by Magnetar Xing He Master 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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