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No insider has filed a notice of proposed sale (Form 144) for Greenidge Generation Holdings Inc in the last 12 months.
| Holder | Shares | % of company | Change vs last qtr | 8 quarters | Held since | % of their book |
|---|---|---|---|---|---|---|
|
GC
Graham Capital Management, L.P.
|
500.0K | 2.92% | Unchanged | Q1 '26 | 0.0% | |
|
Shares held by quarter
Peak holding500.0K (Q1'26)
Change over 8 quarters+500.0K
Share of the company2.920%
|
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|
GC
Gsa Capital Partners LLP
|
185.7K | 1.08% | −63.2K (−25.4%) | 2024 | 0.0% | |
|
Shares held by quarter
Peak holding275.9K (Q4'25)
Change over 8 quarters+185.7K
Share of the company1.080%
|
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28 more super investors behind a free account
See every manager holding Greenidge Generation Holdings Inc, how their position has changed, and how long they've held it.
Sign up free| Fund | Position value | Shares | % of company | % of the fund | As of |
|---|---|---|---|---|---|
|
VE
Vanguard Index Funds
|
$218K | 121.6K | 0.71% | 0.00% | June 30, 2026 |
|
MI
360 Funds
|
$183K | 150.0K | 0.88% | 1.06% | February 28, 2026 |
7 more funds behind a free account
See every fund holding Greenidge Generation Holdings Inc and how much of the fund the position is.
Sign up free| Holder | Shares | % of company | Change vs last qtr | 8 quarters | Held since | % of their book |
|---|---|---|---|---|---|---|
|
TJ
Timothy J. Fazio
5%+ holder
13D · 20.0%
|
7.1M | 41.49% | — | — |
— | — |
|
This holder reports through Schedule 13D/G, not a quarterly 13F.
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AM
Andrew M. Bursky
5%+ holder
13D · 20.0%
|
7.1M | 41.49% | — | — |
— | — |
|
This holder reports through Schedule 13D/G, not a quarterly 13F.
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8 more holders behind a free account
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