GREE · NASDAQ · Financial - Capital Markets

Greenidge Generation (GREE)

Runs bitcoin mining datacenters with owned power infrastructure.

$2.84
At close0.00 (0.00%)

Breakdown13F · 13D/G · Form 4

Institutions29 holders · as of Mar 31, 2026≥ 8.27%1.52M shares
Insiders6 holders · as of Jul 24, 20267.52%1.39M shares
Otherremainder≤ 84.21%15.52M shares

18.43M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Institutional filings for VIP (85% of the company) are not on file here, so the institutional figure is a floor.

This company has 2 share classes; every stake here is a share of the whole company.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Graham Capital Management, L.P.Institution
2.71%500,000 A13Fas of Mar 31, 2026
Christopher J. KrugInsiderdirector
2.30%424,107 AForm 4filed Nov 17, 2025
Jordan KovlerInsiderdirector, officer: Chief Executive Officer
1.77%325,406 AForm 4filed Jul 24, 2026
Gsa Capital Partners LLPInstitution
1.35%248,887 A13Fas of Mar 31, 2026
Dale IrwinInsiderofficer: President
1.10%202,476 AForm 4filed Jul 24, 2026
Geode Capital Management, LLCInstitution
0.97%178,246 A13Fas of Mar 31, 2026
Christian MulvihillInsiderofficer: Chief Financial Officer
0.95%175,996 AForm 4filed Jul 24, 2026
Kenneth Hopkins Jr. FearnInsiderdirector
0.94%174,107 AForm 4filed Nov 17, 2025
Vanguard Capital Management LLCInstitution
0.66%121,582 A13Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
0.48%88,300 A13Fas of Mar 31, 2026
Charles M. ZeynelInsiderdirector
0.45%83,493 AForm 4filed Nov 17, 2025
State Street CorpInstitution
0.43%79,050 A13Fas of Mar 31, 2026
UBS Group AGInstitution
0.27%49,929 A13Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.24%44,889 A13Fas of Mar 31, 2026
XTX Topco LtdInstitution
0.21%37,955 A13Fas of Mar 31, 2026
Centiva Capital, LPInstitution
0.20%37,373 A13Fas of Mar 31, 2026
Northern Trust CorpInstitution
0.16%29,806 A13Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
0.14%26,009 A13Fas of Mar 31, 2026
Bridgeway Capital Management, LLCInstitution
0.09%17,000 A13Fas of Mar 31, 2026
Federation Des Caisses Desjardins du QuebecInstitution
0.07%13,201 A13Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.07%12,825 A13Fas of Mar 31, 2026
Ewa, LLCInstitution
0.06%10,697 A13Fas of Mar 31, 2026
Dynamic Technology Lab Private LtdInstitution
0.06%10,392 A13Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution
0.04%7,347 A13Fas of Mar 31, 2026
Morgan StanleyInstitution
0.02%3,040 A13Fas of Mar 31, 2026

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

29 holders · 1.52M shares · 6 new positions · 12 increased · 6 reduced · 4 closed

HolderShares% of companyChg q/qFiled
Graham Capital Management, L.P.500.0K2.71%+500.0KnewMay 15, 2026
Gsa Capital Partners LLP248.9K1.35%−27.1KMay 8, 2026
Geode Capital Management, LLC178.2K0.97%+52.6KMay 15, 2026
Vanguard Capital Management LLC121.6K0.66%+121.6KnewMay 15, 2026
Renaissance Technologies LLC88.3K0.48%+11.0KMay 14, 2026
State Street Corp79.1K0.43%0May 15, 2026
UBS Group AG49.9K0.27%−100.4KMay 5, 2026
Vanguard Fiduciary Trust Co44.9K0.24%+44.9KnewMay 8, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Atlas Capital GP LPincl. Atlas Capital Resources (A9) LP, Atlas Capital Resources (A9-Parallel) LP +5 more23.10%4.19M13DJul 20, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jul 24, 2026
Christian Mulvihillofficer: Chief Financial Officer
Sale14,738$2.45175,996
Jul 24, 2026
Jordan Kovlerdirector, officer: Chief Executive Officer
Sale35,721$2.45325,406
Jul 24, 2026
Dale Irwinofficer: President
Sale21,154$2.45202,476
Feb 2, 2026
Dale Irwinofficer: President
Sale · 2 lots1,985$1.28103,285
Feb 2, 2026
Christian Mulvihillofficer: Chief Financial Officer
Sale · 2 lots1,958$1.2895,451
Oct 13, 2025
Christian Mulvihillofficer: Chief Financial Officer
Sale609$2.0797,409
Sep 16, 2025
Christian Mulvihillofficer: Chief Financial Officer
Sale · 2 lots627$1.4698,018

CongressHouse and Senate disclosures

Not reported.