ATNM: Actinium Pharmaceuticals, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
47 institutions reported holding $4.67M of Actinium Pharmaceuticals, Inc. on Form 13F (54 the quarter before). 4 opened a new position and 12 sold out. Shares held by institutions: +2%.
| Largest holders | Shares | Value |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 1,238,302 | $1.21M |
| COMPASS FINANCIAL MANAGEMENT LLC | 600,230 | $588K |
| MILLENNIUM MANAGEMENT LLC | 514,580 | $504K |
| BlackRock, Inc. | 395,896 | $388K |
| RENAISSANCE TECHNOLOGIES LLC | 380,491 | $373K |
| GEODE CAPITAL MANAGEMENT, LLC | 324,945 | $319K |
| TWO SIGMA INVESTMENTS, LP | 259,179 | $254K |
| GAGNON SECURITIES LLC | 182,142 | $178K |
| VANGUARD FIDUCIARY TRUST CO | 161,526 | $158K |
| STATE STREET CORP | 122,215 | $120K |
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