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ACTINIUM PHARMA (ATNM)
NYSE
$1.16-$0.005 (-0.43%)
Price as of Jun 03, 2026 5:42 PM EDT- $39.5MMarket Cap
- -32.16%1-Year Change
- BiotechnologyIndustry
ACTINIUM PHARMA (ATNM)
$1.16-$0.005 (-0.43%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 6.29% | 2.0M | +33,483 (+1.70%) | Dec 31, 2024 |
BLACKROCK INC. | 5.98% | 1.9M | +166,437 (+8.87%) | Jun 30, 2024 |
VANGUARD GROUP INC | 4.53% | 1.4M | +36,495 (+2.57%) | Dec 31, 2025 |
N/A | 4.00% | 1.3M | +1.3M (+100.00%) | Mar 31, 2026 |
ACADIAN ASSET MANAGEMENT LLC | 1.91% | 600,819 | -5,520 (-0.92%) | Mar 31, 2026 |
MILLENNIUM MANAGEMENT LLC | 1.80% | 564,600 | -37,000 (-6.55%) | Mar 31, 2026 |
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. | 1.78% | 559,831 | +97,148 (+17.35%) | Dec 31, 2016 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 45.15% | 14.2M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 2.87% | 901,395 | 0 (0.00%) | Feb 28, 2026 |
VANGUARD INSTITUTIONAL INDEX FUNDS | 1.16% | 363,623 | 0 (0.00%) | Mar 31, 2026 |
SCHWAB CAPITAL TRUST | 0.26% | 80,219 | 0 (0.00%) | Jan 31, 2026 |
SEI INSTITUTIONAL MANAGED TRUST | 0.21% | 65,550 | 0 (0.00%) | Mar 31, 2026 |
FIRST TRUST EXCHANGE-TRADED FUND | 0.16% | 51,273 | 0 (0.00%) | Mar 31, 2026 |
ROYCE MICRO-CAP TRUST, INC. | 0.16% | 50,000 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Mutual Funds126.8M (67.09%)
- Institutions56.2M (29.71%)
- Insiders6.1M (3.20%)
- Other0 (0.00%)
Insider Transactions
- 3.20% (6.1M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
SETH SANDESH Chief Executive Officer | In Kind | Aug 18, 2025 | $206,739.00 | 120,900 | $1.71 | 184,481 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 3,333 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Almenoff June Sherie | Return | Mar 31, 2025 | $0.00 | 50,000 | $0.00 | 0 |
Chell Jeffrey W. | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 1,666 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
SETH SANDESH Chief Executive Officer | Return | Mar 31, 2025 | $0.00 | 16,666 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 3,333 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 18,351 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Chell Jeffrey W. | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 72,156 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 18,351 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 8,833 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 70,311 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 72,156 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 18,351 | $0.00 | 0 |
SETH SANDESH Chief Executive Officer | Return | Mar 31, 2025 | $0.00 | 25,000 | $0.00 | 0 |