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NYSEMKT: ATNM
Actinium Pharmaceuticals Inc Stock Ownership - Who owns Actinium Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Actinium Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sandesh SethChief Executive Officer2025-08-18120,900$1.71
$206.74kSell

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Net Insider Buy/Sell (L12M) Ownership

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ATNM Shareholders

What type of owners hold Actinium Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Diane S. Button64.11%20,000,000$23.20MInsider
Sloan Kettering Cancer Center Memorial33.38%10,411,948$12.08MInsider
Vanguard Group Inc4.44%1,384,543$1.61MInstitution
Millennium Management LLC2.00%624,697$724.65kInstitution
Acadian Asset Management LLC1.57%489,577$567.91kInstitution
Blackrock Inc1.17%363,486$421.64kInstitution
Geode Capital Management LLC1.05%328,419$380.97kInstitution
Renaissance Technologies LLC0.93%288,630$334.81kInstitution
Two Sigma Investments LP0.75%234,293$271.78kInstitution
Gagnon Securities LLC0.73%226,257$262.46kInstitution

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ATNM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ATNM14.29%85.71%Net Selling
RADX0.01%0.00%
PASG4.26%95.74%Net SellingNet Selling
OKUR28.70%71.30%Net SellingNet Selling
LTRN20.33%59.87%Net Selling
View Top Biotech Stocks

Actinium Pharmaceuticals Stock Ownership FAQ

Who owns Actinium Pharmaceuticals?

Actinium Pharmaceuticals (NYSEMKT: ATNM) is owned by 16.50% institutional shareholders, 98.94% Actinium Pharmaceuticals insiders, and 0.00% retail investors. Diane S. Button is the largest individual Actinium Pharmaceuticals shareholder, owning 20.00M shares representing 64.11% of the company. Diane S. Button's Actinium Pharmaceuticals shares are currently valued at $23.20M.

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