Who Owns GREENIDGE GENERATION HLDGS I (GREE)? -- Institutional Holders (2026-06-30)
31 institutions reported holding $2.8M of GREENIDGE GENERATION HLDGS I (GREE) in SEC 13F filings for 2026-06-30. Largest institutional holders: Graham Capital Management, L.P. ($895,000), VANGUARD GROUP INC ($519,800), GSA CAPITAL PARTNERS LLP ($332,000), GEODE CAPITAL MANAGEMENT, LLC ($225,816), RENAISSANCE TECHNOLOGIES LLC ($179,537). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Graham Capital Management, L.P. | $895,000 | 500,000 | Hold |
| 2 | VANGUARD GROUP INC | $519,800 | 290,391 | Added |
| 3 | GSA CAPITAL PARTNERS LLP | $332,000 | 185,730 | Trimmed |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $225,816 | 126,147 | Trimmed |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $179,537 | 100,300 | Added |
| 6 | STATE STREET CORP | $141,500 | 79,050 | Hold |
| 7 | JANE STREET GROUP, LLC | $86,411 | 48,274 | Added |
| 8 | Centiva Capital, LP | $83,067 | 46,406 | Added |
| 9 | UBS Group AG | $77,204 | 43,131 | Trimmed |
| 10 | NORTHERN TRUST CORP | $55,261 | 30,872 | Added |
| 11 | CITADEL ADVISORS LLC | $37,347 | 20,864 | New |
| 12 | Sowell Financial Services LLC | $34,014 | 19,002 | New |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $30,430 | 17,000 | Hold |
| 14 | Federation des caisses Desjardins du Quebec | $23,630 | 13,201 | Hold |
| 15 | BlackRock, Inc. | $22,957 | 12,825 | Hold |
| 16 | EWA, LLC | $19,105 | 10,673 | Trimmed |
| 17 | MORGAN STANLEY | $5,442 | 3,040 | Hold |
| 18 | Tower Research Capital LLC (TRC) | $4,794 | 2,678 | Trimmed |
| 19 | SBI Securities Co., Ltd. | $3,902 | 2,180 | Trimmed |
| 20 | US BANCORP \DE\ | $1,811 | 1,012 | Hold |
| 21 | BNP PARIBAS FINANCIAL MARKETS | $471 | 263 | Hold |
| 22 | BARCLAYS PLC | $471 | 263 | New |
| 23 | Ancora Advisors LLC | $79 | 44 | Hold |
| 24 | OSAIC HOLDINGS, INC. | $3 | 2 | Hold |
| 25 | JPMORGAN CHASE & CO | $2 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30