| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 4.4% | $1,920,576 | 1,371,840 | The Vanguard Group | 30 Jun 2025 | |||
| BlackRock, Inc. | 1.5% | $646,490 | 462,969 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Dec 2025, 58 institutional investors reported holding 5,410,599 shares of Actinium Pharmaceuticals, Inc. - Common Stock (ATNM). This represents 17% of the company’s total 31,249,203 outstanding shares.
The largest institutional shareholders of Actinium Pharmaceuticals, Inc. - Common Stock (ATNM) together control 17% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 4.5% | 1,421,038 | +2.6% | 0% | $1,932,611 |
| ACADIAN ASSET MANAGEMENT LLC | 1.9% | 606,339 | +24% | 0% | $823,000 |
| MILLENNIUM MANAGEMENT LLC | 1.9% | 601,600 | -3.7% | 0% | $818,176 |
| RENAISSANCE TECHNOLOGIES LLC | 1.3% | 390,784 | +35% | 0% | $531,466 |
| BlackRock, Inc. | 1.2% | 366,931 | +0.95% | 0% | $499,026 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 328,994 | +0.18% | 0% | $447,564 |
| TWO SIGMA INVESTMENTS, LP | 0.67% | 209,692 | -11% | 0% | $285,181 |
| GAGNON SECURITIES LLC | 0.65% | 201,807 | -11% | 0.06% | $274,458 |
| TWO SIGMA ADVISERS, LP | 0.63% | 196,076 | -0.15% | 0% | $266,663 |
| STATE STREET CORP | 0.4% | 126,215 | 0% | 0% | $171,652 |
| Gen-Wealth Partners Inc | 0.34% | 107,131 | -2.1% | 0.05% | $145,698 |
| JANE STREET GROUP, LLC | 0.3% | 93,192 | +0.18% | 0% | $126,742 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.26% | 82,474 | -22% | 0% | $112,165 |
| GOLDMAN SACHS GROUP INC | 0.23% | 70,358 | 0% | $95,687 | |
| Squarepoint Ops LLC | 0.21% | 65,730 | 0% | $89,393 | |
| BAILARD, INC. | 0.19% | 57,867 | 0% | $78,699 | |
| NORTHERN TRUST CORP | 0.14% | 42,610 | +19% | 0% | $57,950 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.13% | 40,000 | 0% | 0% | $54,400 |
| DIMENSIONAL FUND ADVISORS LP | 0.11% | 34,923 | 0% | 0% | $47,495 |
| Vontobel Holding Ltd. | 0.1% | 30,000 | 0% | 0% | $40,800 |
| AM INVESTMENT STRATEGIES LLC | 0.09% | 29,356 | 0.01% | $40,000 | |
| XTX Topco Ltd | 0.08% | 25,976 | +30% | 0% | $35,327 |
| Callan Family Office, LLC | 0.08% | 23,603 | 0% | 0% | $32,100 |
| MAYPORT, LLC | 0.07% | 22,000 | 0% | 0.01% | $29,920 |
| OSAIC HOLDINGS, INC. | 0.06% | 20,265 | +183% | 0% | $27,560 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 5,410,599 | $7,356,463 | +$328,393 | $1.36 | 58 |
| 2025 Q3 | 5,146,844 | $8,234,489 | -$424,552 | $1.60 | 60 |
| 2025 Q2 | 5,475,849 | $7,665,146 | -$4,035,323 | $1.40 | 62 |
| 2025 Q1 | 8,198,200 | $13,196,751 | +$237,439 | $1.61 | 69 |
| 2024 Q4 | 8,134,174 | $10,248,048 | -$913,574 | $1.26 | 69 |
| 2024 Q3 | 8,459,139 | $15,901,857 | -$617,206 | $1.88 | 71 |
| 2024 Q2 | 7,246,907 | $53,627,942 | +$3,426,497 | $7.40 | 73 |
| 2024 Q1 | 6,729,352 | $52,695,053 | +$7,761,585 | $7.83 | 65 |
| 2023 Q4 | 5,758,372 | $29,252,507 | -$58,635 | $5.08 | 59 |
| 2023 Q3 | 5,762,849 | $34,114,400 | -$1,202,051 | $5.92 | 58 |
| 2023 Q2 | 6,040,790 | $44,822,973 | +$8,382,914 | $7.42 | 69 |
| 2023 Q1 | 4,756,784 | $44,950,334 | +$1,894,131 | $9.45 | 65 |
| 2022 Q4 | 4,488,300 | $47,826,517 | +$17,470,046 | $10.65 | 59 |
| 2022 Q3 | 2,863,634 | $21,129,560 | +$2,886,294 | $7.38 | 46 |
| 2022 Q2 | 2,464,649 | $11,852,572 | +$2,944,615 | $4.81 | 39 |
| 2022 Q1 | 1,829,833 | $9,346,008 | -$539,334 | $5.11 | 32 |
| 2021 Q4 | 1,908,876 | $11,473,412 | -$433,272 | $6.01 | 33 |
| 2021 Q3 | 1,932,424 | $17,120,867 | +$1,950,325 | $8.86 | 39 |
| 2021 Q2 | 1,727,482 | $13,663,637 | +$3,303,864 | $7.91 | 31 |
| 2021 Q1 | 1,310,290 | $9,986,632 | -$5,421,678 | $7.62 | 33 |
| 2020 Q4 | 2,003,580 | $15,628,122 | -$4,777,521 | $7.80 | 43 |
| 2020 Q3 | 2,385,295 | $23,109,542 | +$23,097,542 | $9.69 | 36 |
| 2020 Q2 | 3,868 | $13,000 | $4.22 | 2 | |
| 2020 Q1 | 1,498 | $12,000 | $8.01 | 1 | |
| 2019 Q4 | 3,868 | $13,000 | $4.22 | 2 | |
| 2019 Q3 | 1,498 | $12,000 | $8.01 | 1 | |
| 2019 Q2 | 1,498 | $12,000 | $8.01 | 1 | |
| 2019 Q1 | 1,498 | $12,000 | $8.01 | 1 |