GREENIDGE GENERATION HLDGS I (GREE): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in GREE · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
3
13F filers
Aggregate Value
$217K
Across holders
Last Price
$2.14
2026-07-30
Sector
Financials
GICS
Quarterly fund activity2 increased0 reduced0 exited
Institutional Holders of GREE
↗
3 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund100K$180K82.8%0.0%Added+$21KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund21K$37K17.2%0.0%Added—Q2 2026
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund44$790.0%0.0%Unchanged+$0Q2 2026
Recent insider activity
Form 4 purchases and sales · 24 Jul 2026 – 21 Oct 2026
4 buyers · $5.3M3 sellers · $175K7 transactions
Insider ⇅Trades ⇅Bought ⇅Sold ⇅Largest ⇅Latest ▼
Irwin Dale
President
2
1 buy · 1 sell
$100K$52K$100K10 Sept 2026SEC ↗
Kovler Jordan
Chief Executive Officer
2
1 buy · 1 sell
$100K$88K$100K10 Sept 2026SEC ↗
Mulvihill Christian
Chief Financial Officer
2
1 buy · 1 sell
$100K$36K$100K10 Sept 2026SEC ↗
Rogers George Ted III
Director
1
1 buy · 0 sell
$5.0M—$5.0M10 Sept 2026SEC ↗
President
2 trades$100K bought$52K sold
Largest $100K · latest 10 Sept 2026SEC ↗
Chief Executive Officer
2 trades$100K bought$88K sold
Largest $100K · latest 10 Sept 2026SEC ↗
Chief Financial Officer
2 trades$100K bought$36K sold
Largest $100K · latest 10 Sept 2026SEC ↗
Director
1 trades$5.0M boughtNo sales
Largest $5.0M · latest 10 Sept 2026SEC ↗
Distinct buyers and sellers may overlap. “Largest” is the largest reported transaction value in this window. Expand a row to see up to five recent filings.