Greenidge Generation Holdings Inc
Ownership
Ownership Structure
Who owns Greenidge Generation Holdings Inc (GREE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 77.3% of the shares are freely tradable; institutional investors hold 19.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Graham Capital Management | 3.16 | 500,000 | +0.0 | 03/31/2026 |
| GSA Capital Partners LLP | 1.18 | 185,730 | -25.4 | 06/30/2026 |
| Geode Capital Management, LLC | 1.13 | 178,246 | +41.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 0.77 | 121,582 | +0.0 | 03/31/2026 |
| Renaissance Technologies Corp | 0.56 | 88,300 | +14.2 | 03/31/2026 |
| State Street Corp | 0.50 | 79,050 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.27 | 358,986 | +309.4 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.89 | 140,582 | +15.6 | 07/31/2026 |
| Dux Umbrella Trimming USA Technology FI | 0.51 | 80,000 | +0.0 | 04/30/2026 |
| Fidelity Extended Market Index | 0.41 | 64,278 | -29.3 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: August 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.