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, Q4 2025
Institutional positions in Actinium Pharmaceuticals, Inc. as of Dec 31, 2025. 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
- 60
- +1 vs. Q3 2025
- Shares held
- 5.41M
- +273.9K (+5.3%) vs. Q3 2025
- Total value
- $7.36M
- −$861.6K (−10.5%) vs. Q3 2025
- New holders
- 9
- 13 more added
- Sold out
- 8
- 19 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Actinium Pharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,421,038 | $1.93M | 0.00% | +36,495+2.6% | Added |
| Acadian Asset Management LLC | 606,339 | $823.0K | 0.00% | +116,762+23.8% | Added |
| Millennium Management LLC | 601,600 | $818.2K | 0.00% | −23,097−3.7% | Reduced |
| Renaissance Technologies LLC | 390,784 | $531.5K | 0.00% | +102,154+35.4% | Added |
| BlackRock, Inc. | 366,931 | $499.0K | 0.00% | +3,445+0.9% | Added |
| Geode Capital Management, LLC | 328,994 | $447.6K | 0.00% | +575+0.2% | Added |
| Two Sigma Investments, LP | 209,692 | $285.2K | 0.00% | −24,601−10.5% | Reduced |
| Gagnon Securities LLC | 201,807 | $274.5K | 0.06% | −24,450−10.8% | Reduced |
| Two Sigma Advisers, LP | 196,076 | $266.7K | 0.00% | −300−0.2% | Reduced |
| State Street Corp | 126,215 | $171.7K | 0.00% | 00.0% | Unchanged |
| Gen-Wealth Partners Inc | 107,131 | $145.7K | 0.05% | −2,250−2.1% | Reduced |
| Jane Street Group, LLC | 93,192 | $126.7K | 0.00% | +170+0.2% | Added |
| Susquehanna International Group, LLP | 82,474 | $112.2K | 0.00% | −22,966−21.8% | Reduced |
| Goldman Sachs Group Inc | 70,358 | $95.7K | 0.00% | +70,358 | New |
| Squarepoint Ops LLC | 65,730 | $89.4K | 0.00% | +65,730 | New |
| Bailard, Inc. | 57,867 | $78.7K | 0.00% | +57,867 | New |
| Northern Trust Corp | 42,610 | $58.0K | 0.00% | +6,715+18.7% | Added |
| Bridgeway Capital Management, LLC | 40,000 | $54.4K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 34,923 | $47.5K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 30,000 | $40.8K | 0.00% | 00.0% | Unchanged |
| Am Investment Strategies LLC | 29,356 | $40.0K | 0.01% | +29,356 | New |
| XTX Topco Ltd | 25,976 | $35.3K | 0.00% | +6,015+30.1% | Added |
| Callan Family Office, LLC | 23,603 | $32.1K | 0.00% | 00.0% | Unchanged |
| Mayport, LLC | 22,000 | $29.9K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 20,265 | $27.6K | 0.00% | +13,115+183.4% | Added |
| North Star Asset Management Inc | 20,000 | $27.2K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 19,800 | $26.9K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 19,070 | $25.9K | 0.00% | +14,351+304.1% | Added |
| Qube Research & Technologies Ltd | 18,812 | $25.6K | 0.00% | −6,910−26.9% | Reduced |
| Cetera Investment Advisers | 15,259 | $20.8K | 0.00% | +768+5.3% | Added |
| FMR LLC | 14,373 | $19.5K | 0.00% | −6,727−31.9% | Reduced |
| Russell Investments Group, Ltd. | 13,340 | $18.1K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 12,965 | $17.6K | 0.00% | +12,965 | New |
| Nine Masts Capital Ltd | 12,940 | $17.6K | 0.00% | +12,940 | New |
| HRT Financial LP | 13,010 | $17.0K | 0.00% | +13,010 | New |
| Intrepid Financial Planning Group LLC | 10,500 | $14.3K | 0.01% | −2,000−16.0% | Reduced |
| Point72 Asset Management, L.P. | 10,295 | $14.0K | 0.00% | +10,295 | New |
| Level Four Advisory Services, LLC | 10,000 | $13.6K | 0.00% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 10,000 | $13.6K | 0.00% | +10,000 | New |
| Rockefeller Capital Management L.P. | 4,000 | $5.44K | 0.00% | −500−11.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 2,166 | $2.95K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,494 | $2.03K | 0.00% | −68−4.4% | Reduced |
| Federated Hermes, Inc. | 1,403 | $1.91K | 0.00% | −522−27.1% | Reduced |
| Nisa Investment Advisors, LLC | 958 | $1.30K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 855 | $1.16K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 620 | $1.00K | 0.00% | −775−55.6% | Reduced |
| SRS Capital Advisors, Inc. | 707 | $962 | 0.00% | +673+1,979.4% | Added |
| Bank of America Corp | 649 | $882 | 0.00% | +1+0.2% | Added |
| SBI Securities Co., Ltd. | 542 | $737 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 431 | $586 | 0.00% | −854−66.5% | Reduced |
| Jones Financial Companies LLLP | 351 | $477 | 0.00% | 00.0% | Unchanged |
| Pittenger & Anderson Inc | 341 | $464 | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 300 | $408 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 237 | $322 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 107 | $146 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 96 | $131 | 0.00% | −14,480−99.3% | Reduced |
| EverSource Wealth Advisors, LLC | 16 | $22 | 0.00% | −70−81.4% | Reduced |
| Essential Partners LLC | 4 | $5 | 0.00% | −49−92.5% | Reduced |
| Barclays PLC | 1 | $1 | 0.00% | −3−75.0% | Reduced |
| Royal Bank of Canada | 80 | $0 | 0.00% | −5,637−98.6% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −126,615−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −26,336−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −16,805−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,460−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −555−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −547−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −316−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |