| 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 30 Sep 2025, 60 institutional investors reported holding 5,146,844 shares of Actinium Pharmaceuticals, Inc. - Common Stock (ATNM). This represents 16% of the company’s total 31,249,203 outstanding shares.
The largest institutional shareholders of Actinium Pharmaceuticals, Inc. - Common Stock (ATNM) together control 16% 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 | 4.4% | 1,384,543 | +0.93% | 0% | $2,215,269 |
| MILLENNIUM MANAGEMENT LLC | 2% | 624,697 | -5.8% | 0% | $999,515 |
| ACADIAN ASSET MANAGEMENT LLC | 1.6% | 489,577 | -0.48% | 0% | $782,000 |
| BlackRock, Inc. | 1.2% | 363,486 | -22% | 0% | $581,577 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 328,419 | -0.39% | 0% | $525,634 |
| RENAISSANCE TECHNOLOGIES LLC | 0.92% | 288,630 | +38% | 0% | $461,808 |
| TWO SIGMA INVESTMENTS, LP | 0.75% | 234,293 | +403% | 0% | $374,869 |
| GAGNON SECURITIES LLC | 0.72% | 226,257 | -0.16% | 0.07% | $362,011 |
| TWO SIGMA ADVISERS, LP | 0.63% | 196,376 | 0% | $314,202 | |
| CITADEL ADVISORS LLC | 0.41% | 126,615 | +130% | 0% | $202,584 |
| STATE STREET CORP | 0.4% | 126,215 | -43% | 0% | $201,944 |
| Gen-Wealth Partners Inc | 0.35% | 109,381 | 0.06% | $175,010 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.34% | 105,440 | +27% | 0% | $168,704 |
| JANE STREET GROUP, LLC | 0.3% | 93,022 | -57% | 0% | $148,836 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.13% | 40,000 | 0% | 0% | $64,000 |
| NORTHERN TRUST CORP | 0.11% | 35,895 | -40% | 0% | $57,432 |
| DIMENSIONAL FUND ADVISORS LP | 0.11% | 34,923 | 0% | 0% | $55,877 |
| Vontobel Holding Ltd. | 0.1% | 30,000 | 0% | 0% | $48,000 |
| MARSHALL WACE, LLP | 0.08% | 26,336 | -73% | 0% | $42,138 |
| Qube Research & Technologies Ltd | 0.08% | 25,722 | -48% | 0% | $41,155 |
| Callan Family Office, LLC | 0.08% | 23,603 | 0% | 0% | $37,765 |
| MAYPORT, LLC | 0.07% | 22,000 | 0.01% | $35,200 | |
| FMR LLC | 0.07% | 21,100 | -13% | 0% | $33,760 |
| NORTH STAR ASSET MANAGEMENT INC | 0.06% | 20,000 | 0% | 0% | $32,000 |
| XTX Topco Ltd | 0.06% | 19,961 | +51% | 0% | $31,938 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 33,258 | $45,231 | +$13,596 | $1.36 | 4 |
| 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 |