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ACTINIUM PHARMA (ATNM)
NYSE
$1.51-$0.09 (-5.63%)
Price as of Oct 23, 2026 12:27 PM EDT- $50.3MMarket Cap
- 11.89%1-Year Change
- BiotechnologyIndustry
ACTINIUM PHARMA (ATNM)
$1.51-$0.09 (-5.63%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 6.27% | 2.0M | +33,483 (+1.70%) | Dec 31, 2024 |
BLACKROCK INC. | 5.96% | 1.9M | +166,437 (+8.87%) | Jun 30, 2024 |
VANGUARD GROUP INC | 4.52% | 1.4M | +36,495 (+2.57%) | Dec 31, 2025 |
N/A | 3.99% | 1.3M | +1.3M (+100.00%) | Mar 31, 2026 |
VANGUARD CAPITAL MANAGEMENT LLC | 3.94% | 1.2M | -17,214 (-1.39%) | Jun 30, 2026 |
COMPASS FINANCIAL MANAGEMENT LLC | 1.91% | 600,230 | +600,230 (+100.00%) | Jun 30, 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 | 3.92% | 1.2M | +11,175 (+0.91%) | Jun 30, 2026 |
BRIDGEWAY FUNDS INC | 0.13% | 40,000 | 0 (0.00%) | Jun 30, 2026 |
EQ ADVISORS TRUST | 0.02% | 5,849 | 0 (0.00%) | Jun 30, 2026 |
VANGUARD VALLEY FORGE FUNDS | 0.01% | 4,376 | -24,753 (-565.65%) | Jun 30, 2026 |
Blackstone Alternative Investment Funds | 0.010% | 3,114 | 0 (0.00%) | Jun 30, 2026 |
Advisors' Inner Circle Fund III | 0.0006% | 175 | +11 (+6.29%) | Jul 31, 2026 |
Current Ownership Distribution
- Mutual Funds133.4M (65.83%)
- Institutions61.5M (30.37%)
- Insiders7.7M (3.80%)
- Other0 (0.00%)
Insider Transactions
- 3.80% (7.7M)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 |
|---|---|---|---|---|---|---|
David Matthew T Chief Financial Officer | Award | Oct 14, 2026 | $0.00 | 250,000 | $0.00 | 250,000 |
David Matthew T Chief Financial Officer | Award | Oct 14, 2026 | $0.00 | 250,000 | $0.00 | 250,000 |
SETH SANDESH Chief Executive Officer | In Kind | Aug 18, 2025 | $206,739.00 | 120,900 | $1.71 | 184,481 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Chell Jeffrey W. | 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 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Shetty Ajit | 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 |
Steinhart Richard I | 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 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
SETH SANDESH Chief Executive Officer | Return | Mar 31, 2025 | $0.00 | 16,666 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 1,666 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 18,351 | $0.00 | 0 |
Chell Jeffrey W. | Return | Mar 31, 2025 | $0.00 | 2,500 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 18,351 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 72,156 | $0.00 | 0 |
O'Loughlin Steve Chief Financial Officer | Return | Mar 31, 2025 | $0.00 | 3,333 | $0.00 | 0 |
Steinhart Richard I | Return | Mar 31, 2025 | $0.00 | 8,333 | $0.00 | 0 |
Nicholson, C. David | Return | Mar 31, 2025 | $0.00 | 72,156 | $0.00 | 0 |
Shetty Ajit | Return | Mar 31, 2025 | $0.00 | 70,311 | $0.00 | 0 |
SETH SANDESH Chief Executive Officer | Return | Mar 31, 2025 | $0.00 | 25,000 | $0.00 | 0 |