WallStreetZenWallStreetZen

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

1 of 1

ATNM insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when ATNM insiders and whales buy or sell their stock.

ATNM Shareholders

What type of owners hold Actinium Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Diane S. Button64.11%20,000,000$32.20MInsider
Sloan Kettering Cancer Center Memorial33.38%10,411,948$16.76MInsider
Vanguard Group Inc4.40%1,371,840$2.21MInstitution
Millennium Management LLC2.13%663,269$1.07MInstitution
Acadian Asset Management LLC1.58%491,943$792.03kInstitution
Blackrock Inc1.50%467,673$752.95kInstitution
Geode Capital Management LLC1.06%329,689$530.80kInstitution
Gagnon Securities LLC0.73%226,622$364.86kInstitution
State Street Corp0.71%222,015$357.44kInstitution
Jane Street Group LLC0.70%218,324$351.50kInstitution

1 of 3

ATNM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ATNM15.07%84.93%Net SellingNet Selling
MAIA6.92%15.33%Net BuyingNet Buying
IPSC26.19%48.12%Net SellingNet Selling
EVAX0.42%0.00%
INMB21.15%27.83%
View Top Biotech Stocks

Actinium Pharmaceuticals Stock Ownership FAQ

Who owns Actinium Pharmaceuticals?

Actinium Pharmaceuticals (NYSEMKT: ATNM) is owned by 17.55% 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 $31.20M.

If you're new to stock investing, here's how to buy Actinium Pharmaceuticals stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.