Greenidge Generation Holdings Inc. - GREE
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GSA CAPITAL PARTNERS LLP | History | Added to | 275,942 | 408 | 0.04% | 0.02% | 1 | +140,505 | 103.74% | Q4 2025 | Feb 06, 2026 |
| VANGUARD GROUP INC | History | No change | 166,471 | 246 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| UBS Group AG | History | Added to | 150,378 | 222 | 0.0% | 0.0% | 3 | +145,231 | 2821.66% | Q4 2025 | Jan 29, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 125,665 | 185 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| STATE STREET CORP | History | Added to | 79,050 | 116 | 0.0% | 0.0% | 5 | +12,700 | 19.14% | Q4 2025 | Feb 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 77,300 | 114 | 0.0% | 0.0% | 6 | +56,700 | 275.24% | Q4 2025 | Feb 12, 2026 |
| JANE STREET GROUP, LLC | History | New | 44,158 | 65 | 0.0% | — | 7 | +44,158 | New | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | Added to | 36,673 | 54 | 0.0% | 0.0% | 8 | +10,161 | 38.33% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | No change | 29,872 | 44 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Virtu Financial LLC | History | New | 24,854 | 37 | 0.0% | — | 10 | +24,854 | New | Q4 2025 | Feb 23, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 17,000 | 25 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Dynamic Technology Lab Private Ltd | History | New | 13,616 | 20 | 0.0% | — | 12 | +13,616 | New | Q4 2025 | Feb 13, 2026 |
| Federation des caisses Desjardins du Quebec | History | Added to | 13,201 | 19 | 0.0% | 0.0% | 13 | +500 | 3.94% | Q4 2025 | Feb 12, 2026 |
| BlackRock, Inc. | History | Added to | 12,825 | 18 | 0.0% | 0.0% | 14 | +1 | 0.01% | Q4 2025 | Feb 12, 2026 |
| EWA, LLC | History | Reduced | 10,754 | 15 | 0.0% | 0.01% | 15 | -23 | -0.21% | Q4 2025 | Feb 03, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 5,141 | 7 | 0.0% | — | 16 | +5,141 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Reduced | 3,040 | 4 | 0.0% | 0.0% | 17 | -2,637 | -46.45% | Q4 2025 | May 27, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 2,589 | 3 | 0.0% | 0.0% | 18 | -35 | -1.33% | Q4 2025 | Feb 03, 2026 |
| US BANCORP \DE\ | History | No change | 1,012 | 1 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -31,172 | -100.0% | Q4 2025 | Mar 25, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -10,123 | -100.0% | Q4 2025 | Feb 12, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -37 | -100.0% | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Added to | 25 | 0 | — | — | — | +24 | 2400.0% | Q4 2025 | Feb 13, 2026 |
| Ameritas Investment Partners, Inc. | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q4 2025 | Feb 11, 2026 |
| FIFTH THIRD BANCORP | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 02, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 126 | 0 | — | — | — | +2 | 1.61% | Q4 2025 | Feb 17, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 263 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Ancora Advisors LLC | History | No change | 44 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |