Activist & passive stakes
Investors crossing the 5% ownership line, from SEC Schedule 13D (activist) and 13G (passive) filings. Newest first.
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Amendments only.1–3 of 3
- PassiveAmendment 3Below 5%Nov 14, 2026Tompkins Mark N.3.4% · 2,026,767 shSEC
- PassiveAmendment 9Below 5%Nov 9, 2026Private Management Group Inc4.5% · 645,494 shSEC
- ActivistAmendment 1Nov 6, 2026Opko Health, Inc.29.6% · 5,692,916 shSEC
| Filing | Symbol | Holder | % Owned | Shares | Filed | SEC filing |
|---|---|---|---|---|---|---|
PassiveAmendment 3Below 5% | FISN | Tompkins Mark N. in Deep Fission, Inc. | 3.4% | 2,026,767 | Nov 14, 2026 | SEC |
PassiveAmendment 9Below 5% | PKOH | Private Management Group Inc in Park Ohio Holdings Corp | 4.5% | 645,494 | Nov 9, 2026 | SEC |
ActivistAmendment 1 | COCP | Opko Health, Inc. in Cocrystal Pharma, Inc. | 29.6% | 5,692,916 | Nov 6, 2026 | SEC |