Actinium PharmaceuticalsATNM
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 63 institutions reported holding Actinium Pharmaceuticals Inc. (ATNM) in their 13F filings, down 6 from Q1 2025. 18 opened new positions and 25 sold out. The largest holders were Vanguard Group Inc. ($1.9M), Millennium Management ($929K) and Acadian Asset Management LLC ($687K). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Actinium Pharmaceuticals Inc.
- CUSIP
- 00507W206
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $1.8M |
| Exits | 25 | $1.7M |
All 13F filers, Q1 2025 → Q2 2025: 1,529,865 shares bought and 4,252,094 shares sold, net −2,722,229 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 63 holders
| Vanguard Group Inc. | 0.00% | Reduce -12.7% | 1,371,840 | $1.9M |
| Millennium Management | 0.00% | New | 663,269 | $929K |
| Acadian Asset Management LLC | 0.00% | Reduce -2.4% | 491,943 | $687K |
| BlackRock, Inc. | 0.00% | Reduce -76.0% | 467,673 | $655K |
| Geode Capital Management, LLC | 0.00% | Reduce -53.7% | 329,689 | $462K |
| Gagnon Securities LLC | 0.06% | No change | 226,622 | $317K |
| State Street Corp. | 0.00% | Reduce -65.6% | 222,015 | $311K |
| Jane Street Group, LLC | 0.00% | New | 218,324 | $306K |
| Renaissance Technologies | 0.00% | Add +263.7% | 209,501 | $293K |
| Creative Financial Designs Inc. | 0.01% | Add +3.5% | 109,381 | $153K |
| Marshall Wace, LLP | 0.00% | New | 98,123 | $137K |
| Goldman Sachs Group Inc. | 0.00% | Add +19.0% | 91,411 | $128K |
| Susquehanna International Group, LLP | 0.00% | Reduce -22.4% | 83,072 | $116K |
| AQR Capital Management | 0.00% | Add +22.1% | 77,219 | $108K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 64,909 | $91K |
| Northern Trust Corp. | 0.00% | Reduce -73.7% | 59,991 | $84K |
| Citadel Advisors | 0.00% | New | 55,006 | $77K |
| Qube Research & Technologies Ltd | 0.00% | New | 49,932 | $70K |
| Two Sigma Investments, LP | 0.00% | New | 46,545 | $65K |
| Morgan Stanley | 0.00% | Reduce -32.0% | 44,700 | $63K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -46.7% | 40,000 | $56K |
| Dimensional Fund Advisors LP | 0.00% | No change | 34,923 | $49K |
| Jain Global LLC | 0.00% | New | 30,903 | $43K |
| Am Investment Strategies LLC | 0.01% | No change | 30,872 | $43K |
| Vontobel Holding Ltd. | 0.00% | No change | 30,000 | $42K |
| HRT Financial LP | 0.00% | New | 27,476 | $38K |
| Bank of America Corp. | 0.00% | Reduce -50.7% | 25,922 | $36K |
| UBS Group AG | 0.00% | Reduce -93.5% | 25,590 | $36K |
| FMR LLC | 0.00% | Add +93.3% | 24,317 | $34K |
| Callan Family Office, LLC | 0.00% | No change | 23,603 | $33K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | New | 21,042 | $29K |
| North Star Asset Management Inc. | 0.00% | Add +100.0% | 20,000 | $28K |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.9% | 18,617 | $26K |
| Citigroup Inc. | 0.00% | Reduce -33.4% | 15,116 | $21K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 14,500 | $20K |
| Avantax Advisory Services, Inc. | 0.00% | No change | 14,491 | $20K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -5.8% | 13,756 | $19K |
| XTX Topco Ltd | 0.00% | New | 13,249 | $19K |
| Intrepid Financial Planning Group LLC | 0.01% | Reduce -13.8% | 12,500 | $18K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 10,823 | $15K |
| Cwm, LLC | 0.00% | Add +16.6% | 7,545 | $11K |
| Osaic Holdings, Inc. | 0.00% | Reduce -9.8% | 7,150 | $10K |
| Royal Bank of Canada | 0.00% | Add +342.5% | 5,664 | $8K |
| Wells Fargo & Company | 0.00% | Reduce -72.9% | 5,508 | $8K |
| Federated Hermes, Inc. | 0.00% | Reduce -3.9% | 5,321 | $7K |
| Barclays PLC | 0.00% | Reduce -93.7% | 2,508 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -70.3% | 2,478 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 2,000 | $3K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 1,927 | $3K |
| BNP Paribas Financial Markets | 0.00% | Reduce -24.3% | 1,387 | $2K |
| Raymond James Financial Inc. | 0.00% | New | 1,165 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -29.6% | 958 | $1K |
| National Bank of Canada | 0.00% | No change | 855 | $1K |
| Group One Trading LLC | 0.00% | New | 547 | $766 |
| SBI Securities Co., Ltd. | 0.00% | No change | 542 | $759 |
| Pittenger & Anderson Inc. | 0.00% | No change | 341 | $478 |
| Clearstead Advisors, LLC | 0.00% | New | 306 | $429 |
| Jones Financial Companies LLLP | 0.00% | New | 300 | $426 |
| Investors Research Corp | 0.00% | Add +20.0% | 300 | $420 |
| Essential Partners LLC | 0.00% | — | 221 | $309 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +28.0% | 215 | $301 |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 107 | $150 |
| True Wealth Design, LLC | 0.00% | Add +41.2% | 24 | $34 |
"% of holder's portfolio" is ATNM's weight in each manager's 13F, not the share of Actinium Pharmaceuticals Inc. the manager owns.