Actinium Pharmaceuticals, Inc.
ATNM- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001388320
No open-market purchases or sales by Actinium Pharmaceuticals, Inc. insiders were filed in the last 90 days; 47 institutions reported holding it in 13F filings for Q2 2026, worth $5.18M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Actinium Pharmaceuticals, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 54
- −5 vs. Q4 2025
- Shares held
- 5.30M
- +1.31M (+32.9%) vs. Q4 2025
- Total value
- $5.27M
- −$150.5K (−2.8%) vs. Q4 2025
- New holders
- 7
- 12 more added
- Sold out
- 12
- 14 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATNM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 47 | $5.18M |
| Q1 2026 | 54 | $5.27M |
| Q4 2025 | 60 | $7.36M |
| Q3 2025 | 61 | $8.23M |
| Q2 2025 | 63 | $7.66M |
| Q1 2025 | 69 | $13.2M |
| Q4 2024 | 69 | $10.2M |
| Q3 2024 | 72 | $15.9M |
| Q2 2024 | 74 | $53.6M |
| Q1 2024 | 67 | $52.8M |
| Q4 2023 | 59 | $29.3M |
| Q3 2023 | 58 | $34.1M |
| Q2 2023 | 71 | $44.8M |
| Q1 2023 | 65 | $45.0M |
| Q4 2022 | 59 | $47.8M |
| Q3 2022 | 56 | $21.2M |
| Q2 2022 | 50 | $11.9M |
| Q1 2022 | 38 | $9.37M |
| Q4 2021 | 42 | $11.5M |
| Q3 2021 | 43 | $17.1M |
| Q2 2021 | 37 | $13.7M |
| Q1 2021 | 40 | $9.99M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Actinium Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 1,255,516 | $1.25M | 0.00% | +1,255,516 | New |
| Acadian Asset Management LLC | 600,819 | $596.0K | 0.00% | −5,520−0.9% | Reduced |
| Millennium Management LLC | 564,600 | $561.9K | 0.00% | −37,000−6.2% | Reduced |
| Renaissance Technologies LLC | 471,600 | $469.4K | 0.00% | +80,816+20.7% | Added |
| BlackRock, Inc. | 371,210 | $369.5K | 0.00% | +4,279+1.2% | Added |
| Two Sigma Investments, LP | 337,168 | $335.6K | 0.00% | +127,476+60.8% | Added |
| Geode Capital Management, LLC | 336,073 | $334.6K | 0.00% | +7,079+2.2% | Added |
| Gagnon Securities LLC | 201,300 | $200.4K | 0.05% | −507−0.3% | Reduced |
| Vanguard Fiduciary Trust Co | 160,265 | $159.5K | 0.00% | +160,265 | New |
| State Street Corp | 126,215 | $125.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 123,998 | $123.4K | 0.00% | +41,524+50.3% | Added |
| Gen-Wealth Partners Inc | 107,111 | $106.6K | 0.03% | −200.0% | Reduced |
| Northern Trust Corp | 75,855 | $75.5K | 0.00% | +33,245+78.0% | Added |
| Goldman Sachs Group Inc | 70,241 | $69.9K | 0.00% | −117−0.2% | Reduced |
| Bridgeway Capital Management, LLC | 40,000 | $39.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 35,887 | $35.7K | 0.00% | +22,922+176.8% | Added |
| Nine Masts Capital Ltd | 35,227 | $35.1K | 0.01% | +22,287+172.2% | Added |
| Dimensional Fund Advisors LP | 34,923 | $34.8K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 34,299 | $34.1K | 0.00% | −58,893−63.2% | Reduced |
| XTX Topco Ltd | 30,210 | $30.1K | 0.00% | +4,234+16.3% | Added |
| Vontobel Holding Ltd. | 30,000 | $29.9K | 0.00% | 00.0% | Unchanged |
| Am Investment Strategies LLC | 29,356 | $29.0K | 0.01% | 00.0% | Unchanged |
| Gerald Baker Financial Group LLC | 22,691 | $22.6K | 0.01% | +22,691 | New |
| Mayport, LLC | 22,000 | $21.9K | 0.00% | 00.0% | Unchanged |
| North Star Asset Management Inc | 20,000 | $19.9K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 19,865 | $19.9K | 0.00% | −400−2.0% | Reduced |
| Wells Fargo & Company | 19,800 | $19.7K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 18,048 | $18.0K | 0.00% | −764−4.1% | Reduced |
| UBS Group AG | 14,618 | $14.5K | 0.00% | +14,522+15,127.1% | Added |
| Morgan Stanley | 13,597 | $13.5K | 0.00% | −5,473−28.7% | Reduced |
| Virtu Financial LLC | 12,324 | $12.0K | 0.00% | +12,324 | New |
| Callan Family Office, LLC | 11,944 | $11.9K | 0.00% | −11,659−49.4% | Reduced |
| Intrepid Financial Planning Group LLC | 10,500 | $10.5K | 0.00% | 00.0% | Unchanged |
| Level Four Advisory Services, LLC | 10,000 | $9.95K | 0.00% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 10,000 | $9.95K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 8,893 | $8.85K | 0.00% | +8,893 | New |
| Rockefeller Capital Management L.P. | 4,000 | $3.98K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2,166 | $2.16K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,494 | $1.48K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 1,460 | $1.45K | 0.00% | +1,460 | New |
| Federated Hermes, Inc. | 1,403 | $1.40K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1,021 | $1.00K | 0.00% | +166+19.4% | Added |
| Citigroup Inc | 678 | $675 | 0.00% | +247+57.3% | Added |
| SBI Securities Co., Ltd. | 542 | $539 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 351 | $362 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 351 | $349 | 0.00% | −269−43.4% | Reduced |
| Pittenger & Anderson Inc | 341 | $340 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 330 | $328 | 0.00% | −628−65.6% | Reduced |
| Investors Research Corp | 300 | $299 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 237 | $236 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 107 | $106 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 79 | $79 | 0.00% | −14,294−99.5% | Reduced |
| Caitong International Asset Management Co., Ltd | 1 | $1 | 0.00% | +1 | New |
| Royal Bank of Canada | 45 | $0 | 0.00% | −35−43.8% | Reduced |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −196,076−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −65,730−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −57,867−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −15,259−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −13,340−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −13,010−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −10,295−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −707−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −649−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |