$309.02 million of CoreWeave shares held by Magnetar funds were sold on Apr 15, 2026
A Form 4, the form an insider files when trading the company's shares, showed 2,604,094 CoreWeave shares sold on Apr 15, 2026, for $309.02 million at an average $118.67 a share. Its footnotes said Magnetar funds held the shares directly, among them CW Opportunity LLC, CW Opportunity 2 LP and Magnetar Capital Master Fund, Ltd, each advised by Magnetar Financial LLC. The form named Magnetar Financial LLC, an owner of more than 10% of CoreWeave's shares, as its first reporting owner and marked no transaction as made under a Rule 10b5-1 plan, a trading plan set up in advance. The source is the form, filed with the SEC on Apr 17, 2026 and published on the SEC's EDGAR site.1,2,3,4,5,6,7,8,9,10,11,12,13,14
How each figure was checked
- the side of the tradesale
- the shares of the sale lines2,604,094
- the first trade dateApr 15, 2026
- the value of the sale lines$309.02 million
- the average price of the sale lines$118.67
- what the form calls the funds it namesMagnetar FundsFootnotes of the Form 4 filed Apr 17, 2026 ↗
- the fund that held the shares of some sale lines directlyCW Opportunity LLCFootnotes of the Form 4 filed Apr 17, 2026 ↗
- the fund that held the shares of some sale lines directlyCW Opportunity 2 LPFootnotes of the Form 4 filed Apr 17, 2026 ↗
- the fund that held the shares of some sale lines directlyMagnetar Capital Master Fund, LtdFootnotes of the Form 4 filed Apr 17, 2026 ↗
- Magnetar Financial advises these fundsCW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, LtdFootnotes of the Form 4 filed Apr 17, 2026 ↗
- the first reporting ownerMagnetar Financial LLC
- the owner's relationship to the companyowner of more than 10% of the shares
- the Rule 10b5-1 checkboxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 plan
- the day the form was filedApr 17, 2026
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-26-045065
- Filed
- Apr 17, 2026
- Period of report
- Apr 15, 2026
- 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) · 15,211 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 5,487,272 held after · footnotes F1, F4, F5, F6 and F7
- Line 2
- S (sale) · 199,009 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 5,288,263 held after · footnotes F2, F4, F5, F6 and F7
- Line 3
- S (sale) · 48,883 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 5,239,380 held after · footnotes F3, F4, F5, F6 and F7
- Line 4
- S (sale) · 46,955 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 22,053,244 held after · footnotes F1, F4, F5, F6 and F8
- Line 5
- S (sale) · 614,287 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 21,438,957 held after · footnotes F2, F4, F5, F6 and F8
- Line 6
- S (sale) · 150,886 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 21,288,071 held after · footnotes F3, F4, F5, F6 and F8
- Line 7
- S (sale) · 6,154 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,555,331 held after · footnotes F1, F4, F5, F6 and F9
- Line 8
- S (sale) · 80,533 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,474,798 held after · footnotes F2, F4, F5, F6 and F9
- Line 9
- S (sale) · 19,784 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,455,014 held after · footnotes F3, F4, F5, F6 and F9
- Line 10
- S (sale) · 638 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 298,874 held after · footnotes F1, F4, F5, F6 and F10
- Line 11
- S (sale) · 8,340 Class A Common Stock at $118.58 · Apr 15, 2026 · disposed, indirectly, Footnotes · 290,534 held after · footnotes F2, F4, F5, F6 and F10
- Line 12
- S (sale) · 2,048 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 288,486 held after · footnotes F3, F4, F5, F6 and F10
- Line 13
- S (sale) · 13,721 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 4,987,651 held after · footnotes F1, F4, F5, F6 and F11
- Line 14
- S (sale) · 179,523 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 4,808,128 held after · footnotes F2, F4, F5, F6 and F11
- Line 15
- S (sale) · 44,095 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 4,764,033 held after · footnotes F3, F4, F5, F6 and F11
- Line 16
- S (sale) · 18,838 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 6,297,948 held after · footnotes F1, F4, F5, F6 and F12
- Line 17
- S (sale) · 246,468 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 6,051,480 held after · footnotes F2, F4, F5, F6 and F12
- Line 18
- S (sale) · 60,539 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 5,990,941 held after · footnotes F3, F4, F5, F6 and F12
- Line 19
- S (sale) · 23,617 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,874,626 held after · footnotes F1, F4, F5, F6 and F13
- Line 20
- S (sale) · 308,952 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,565,674 held after · footnotes F2, F4, F5, F6 and F13
- Line 21
- S (sale) · 75,886 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,489,788 held after · footnotes F3, F4, F5, F6 and F13
- Line 22
- S (sale) · 5,334 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,170,107 held after · footnotes F1, F4, F5, F6 and F14
- Line 23
- S (sale) · 69,798 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,100,309 held after · footnotes F2, F4, F5, F6 and F14
- Line 24
- S (sale) · 17,147 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 1,083,162 held after · footnotes F3, F4, F5, F6 and F14
- Line 25
- S (sale) · 20,089 Class A Common Stock at $117.79 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,706,024 held after · footnotes F1, F4, F5, F6 and F15
- Line 26
- S (sale) · 262,805 Class A Common Stock at $118.57 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,443,219 held after · footnotes F2, F4, F5, F6 and F15
- Line 27
- S (sale) · 64,554 Class A Common Stock at $119.34 · Apr 15, 2026 · disposed, indirectly, Footnotes · 8,378,665 held after · footnotes F3, F4, F5, F6 and F15
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, 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 and 3.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, 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 $119.20 to $119.50, inclusive.
- Footnote F4
- 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 and 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 F5
- 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 F6
- 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 F7
- These securities are held directly by CW Opportunity 2 LP.
- Footnote F8
- These securities are held directly by CW Opportunity LLC.
- 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 Longhorn Fund LP.
- Footnote F14
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F15
- 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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