GREENIDGE GENERATION HOLDING (GREE) Institutional Ownership Changes & 13F Activity
GREENIDGE GENERATION HOLDING (GREE). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Vanguard Capital Management Llc, Gsa Capital Partners Llp, Geode Capital Management, Llc, Xtx Topco Ltd, and Vanguard Fiduciary Trust Co.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +20,864 | — | 20,864 | $37.35K | Q2 2026 | Sep 02, 2026 |
| Jane Street Group, Llc | Buy | +22,265 | +85.6% | 48,274 | $86.41K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +263 | — | 263 | $471.00 | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Buy | +87,686 | +72.1% | 209,268 | $374.59K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +36,234 | +80.7% | 81,123 | $145.21K | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +12,000 | +13.6% | 100,300 | $179.54K | Q2 2026 | Aug 13, 2026 |
| Centiva Capital, Lp | Buy | +9,033 | +24.2% | 46,406 | $83.07K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -6,798 | -13.6% | 43,131 | $77.20K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +1,066 | +3.6% | 30,872 | $55.26K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -52,099 | -29.2% | 126,147 | $225.82K | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +1 | — | 1 | $2.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -4,669 | -63.5% | 2,678 | $4.79K | Q2 2026 | Aug 11, 2026 |
| Gsa Capital Partners Llp | Sell | -63,157 | -25.4% | 185,730 | $332.00K | Q2 2026 | Aug 06, 2026 |
| Sbi Securities Co., Ltd. | Sell | -439 | -16.8% | 2,180 | $3.90K | Q2 2026 | Jul 23, 2026 |
| Sowell Financial Services Llc | Buy | +19,002 | — | 19,002 | $34.01K | Q2 2026 | Jul 20, 2026 |
| Ewa, Llc | Sell | -24 | -0.2% | 10,673 | $19.11K | Q2 2026 | Jul 14, 2026 |
| Xtx Topco Ltd | Sell | -37,955 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Dynamic Technology Lab Private Ltd | Sell | -10,392 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Citigroup Inc | Sell | -841 | -100.0% | 0 | $0.00 | Q2 2026 | May 11, 2026 |
| Caitong International Asset Management Co., Ltd | Sell | -5 | -100.0% | 0 | $0.00 | Q2 2026 | May 11, 2026 |
| Fifth Third Bancorp | Sell | -2 | -100.0% | 0 | $0.00 | Q2 2026 | May 01, 2026 |
Frequently asked questions about GREE activity
Which institutional owners are buying GREE?
Institutional owners buying GREE include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GREE activity?
"Buy" means an investor increased their reported position in GREE compared to the prior reporting period. This reflects growing exposure to GREENIDGE GENERATION HOLDING (GREE) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GREE increasing?
Institutional interest in GREE can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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