Go Pro
→ This tiny piece of glass could be bigger than GPUs (From Brownstone Research) (Ad)tc pixel Free ATNM Stock Alerts

Actinium Pharmaceuticals (ATNM) Institutional Ownership

Actinium Pharmaceuticals logo
$0.80 +0.00 (+0.33%)
As of 10:04 AM Eastern
This is a fair market value price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Actinium Pharmaceuticals (NYSE:ATNM)

Current
Institutional Ownership
Percentage
27.50%
Number of
Institutional Buyers
(last 12 months)
13
Total
Institutional Inflows
(last 12 months)
$1.79M
Number of
Institutional Sellers
(last 12 months)
5
Total
Institutional Outflows
(last 12 months)
$251.41K
Get ATNM Insider Trade Alerts

Want to know when executives and insiders are buying or selling Actinium Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

ATNM Institutional Buying and Selling by Quarter

Actinium Pharmaceuticals Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/7/2026 BlackRock Inc.395,896$388K0.0%N/A1.262%
5/14/2026Renaissance Technologies LLC471,600$469K0.0%+20.7%1.503%
2/18/2026Millennium Management LLC601,600$818K0.0%-3.7%1.928%
2/16/2026Squarepoint Ops LLC65,730$89K0.0%N/A0.211%
2/13/2026 Gagnon Securities LLC201,807$274K0.1%-10.8%0.647%
2/12/2026Renaissance Technologies LLC390,784$531K0.0%+35.4%1.253%
2/10/2026Goldman Sachs Group Inc.70,358$96K0.0%N/A0.226%
2/5/2026 AM Investment Strategies LLC29,356$40K0.0%N/A0.094%
2/4/2026 Bailard Inc.57,867$79K0.0%N/A0.185%
11/20/2025 Mayport LLC22,000$35K0.0%N/A0.071%
11/17/2025Qube Research & Technologies Ltd25,722$41K0.0%-48.5%0.082%
11/17/2025Millennium Management LLC624,697$1M0.0%-5.8%2.002%
11/14/2025Two Sigma Investments LP234,293$375K0.0%+403.4%0.751%
11/7/2025Vanguard Group Inc.1,384,543$2.22M0.0%+0.9%4.438%
8/15/2025Bridgeway Capital Management LLC40,000$56K0.0%-46.7%0.128%
8/15/2025Bank of America Corp DE25,922$36K0.0%-50.7%0.083%
8/14/2025Jane Street Group LLC218,324$306K0.0%N/A0.700%
8/14/2025Qube Research & Technologies Ltd49,932$70K0.0%N/A0.160%
8/13/2025Marshall Wace LLP98,123$137K0.0%N/A0.315%
8/12/2025North Star Asset Management Inc.20,000$28K0.0%+100.0%0.064%
8/8/2025Geode Capital Management LLC329,689$462K0.0%-53.7%1.057%
8/1/2025 Y Intercept Hong Kong Ltd64,909$91K0.0%N/A0.208%
6/27/2025Goldman Sachs Group Inc.76,811$124K0.0%-43.2%0.246%
5/16/2025Goldman Sachs Group Inc.76,811$124K0.0%-43.2%0.246%
5/16/2025AQR Capital Management LLC63,249$102K0.0%+278.6%0.203%
5/13/2025Callan Family Office LLC23,603$38K0.0%N/A0.076%
5/12/2025Nuveen LLC148,560$239K0.0%N/A0.476%
5/12/2025Invesco Ltd.153,555$247K0.0%+1,135.9%0.492%
5/9/2025Gagnon Securities LLC226,622$365K0.1%N/A0.726%
5/9/2025Charles Schwab Investment Management Inc.97,604$157K0.0%+35.4%0.313%
5/7/2025AM Investment Strategies LLC30,872$50K0.0%+114.1%0.099%
4/23/2025Creative Financial Designs Inc. ADV105,631$170K0.0%+16.1%0.339%
2/17/2025Squarepoint Ops LLC183,262$231K0.0%+25.4%0.587%
2/17/2025Nuveen Asset Management LLC148,560$187K0.0%+49.5%0.476%
2/17/2025Millennium Management LLC117,454$148K0.0%-26.6%0.376%
2/17/2025Deutsche Bank AG123,134$155K0.0%+413.6%0.395%
2/17/2025Bank of America Corp DE78,767$99K0.0%+76.6%0.252%
2/14/2025Northern Trust Corp251,930$317K0.0%+4.9%0.807%
2/14/2025Dimensional Fund Advisors LP34,923$44K0.0%-31.9%0.112%
2/13/2025XTX Topco Ltd25,606$32K0.0%-82.0%0.082%
Forget the million-dollar nest egg — you only need THIS much (Ad)

Nearly 2 in 3 Americans fear running out of money more than death - and chasing a $1.5 million nest egg isn't helping. Tim Plaehn has spent decades helping people build retirement income, and he says the monthly income goal is the only number that matters. His approach could potentially reach that goal with 10x less capital - using a single stock you can buy with one click.tc pixel

Watch the short presentation to see how this retirement income strategy works
2/13/2025Renaissance Technologies LLC190,400$240K0.0%+49.9%0.610%
2/12/2025JPMorgan Chase & Co.123,831$156K0.0%+804.5%0.397%
2/11/2025Sei Investments Co.49,214$62K0.0%N/A0.158%
2/10/2025Creative Financial Designs Inc. ADV91,007$115K0.0%+42.7%0.292%
2/4/2025Los Angeles Capital Management LLC213,950$270K0.0%+25.0%0.686%
1/30/2025Vontobel Holding Ltd.25,000$32K0.0%N/A0.080%
11/20/2024Virtu Financial LLC13,748$26K0.0%-34.4%0.044%
11/19/2024Barclays PLC42,935$81K0.0%+323.0%0.138%
11/16/2024Geode Capital Management LLC686,153$1.29M0.0%+3.0%2.199%
11/15/2024Barclays PLC42,935$81K0.0%+323.0%0.138%
11/15/2024XTX Topco Ltd142,493$268K0.0%N/A0.457%
11/15/2024Jane Street Group LLC40,837$77K0.0%-37.4%0.131%
11/15/2024Wellington Management Group LLP59,608$112K0.0%N/A0.191%
11/15/2024State Street Corp602,649$1.13M0.0%-1.2%1.932%
11/12/2024Charles Schwab Investment Management Inc.72,093$136K0.0%-13.7%0.231%
11/4/2024Los Angeles Capital Management LLC171,180$322K0.0%N/A0.575%
10/28/2024Interchange Capital Partners LLC19,646$37K0.0%N/A0.066%
10/28/2024Creative Financial Designs Inc. ADV63,785$120K0.0%+183.0%0.214%
8/15/2024The Manufacturers Life Insurance Company12,488$92K0.0%N/A0.042%
8/14/2024Squarepoint Ops LLC48,096$356K0.0%N/A0.161%
8/14/2024Marshall Wace LLP256,026$1.90M0.0%+67.9%0.860%
8/9/2024Renaissance Technologies LLC19,200$142K0.0%N/A0.064%
8/9/2024Dimensional Fund Advisors LP111,869$828K0.0%-22.6%0.376%
8/1/2024Rhumbline Advisers39,656$293K0.0%+23.4%0.133%
7/26/2024Bank of New York Mellon Corp86,401$639K0.0%+28.3%0.290%
5/20/2024Virtu Financial LLC82,029$642K0.0%+319.2%0.275%
5/10/2024Vanguard Group Inc.1,446,326$11.33M0.0%+6.0%4.857%
4/11/2024Sanders Morris Harris LLC10,000$78K0.0%N/A0.034%
2/13/2024Intrepid Financial Planning Group LLC16,000$81K0.0%-11.1%0.058%
1/10/2024Creative Financial Designs Inc. ADV19,800$101K0.0%+19.1%0.072%
11/13/2023Brandywine Global Investment Management LLC174,500$1.03M0.0%N/A0.637%
9/21/2023Barclays PLC5,185$39K0.0%-90.7%0.019%
8/11/2023ExodusPoint Capital Management LP57,934$430K0.0%-3.9%0.225%
8/4/2023American International Group Inc.12,520$93K0.0%N/A0.049%
7/26/2023Creative Financial Designs Inc. ADV16,475$122K0.0%+9.8%0.064%
7/10/2023Quent Capital LLC5,000$37K0.0%N/A0.019%
5/23/2023Royce & Associates LP50,000$472K0.0%N/A0.194%
5/11/2023ExodusPoint Capital Management LP60,277$570K0.0%+30.1%0.234%
5/4/2023Barclays PLC55,662$526K0.0%N/A0.216%
5/4/2023Royce & Associates LP50,000$473K0.0%N/A0.194%
5/3/2023Jump Financial LLC13,092$124K0.0%-44.8%0.051%
5/1/2023Virtu Financial LLC21,650$205K0.0%-19.4%0.084%
4/25/2023Creative Financial Designs Inc. ADV15,000$142K0.0%N/A0.058%
2/15/2023Endurant Capital Management LP45,612$486K0.2%N/A0.179%
2/14/2023683 Capital Management LLC16,629$177K0.0%N/A0.065%
2/10/2023Blair William & Co. IL89,400$952K0.0%-14.0%0.351%
2/9/2023Citigroup Inc.49,152$523K0.0%+544.3%0.193%
11/16/2022Sentinus LLC22,500$166K0.1%N/A0.089%
11/14/2022Delphia USA Inc.14,226$105K0.1%-19.5%0.056%
11/7/2022Virtu Financial LLC12,590$93K0.0%-64.8%0.050%
AI Is Coming for Your Money (Ad)

An AI model recently broke into a company on its own, with no instructions given. The incident raises a bigger question: what exactly do you own when your money is digital. Most of the American money supply is not paper cash, it is data on servers protected by a single password and network. See the three moves that could put part of your retirement out of reach from digital threats.tc pixel

See the three moves protecting retirement savings now
11/7/2022Jump Financial LLC23,400$173K0.0%N/A0.093%
11/2/2022Rockefeller Capital Management L.P.14,331$105K0.0%+11.3%0.057%
8/16/2022Corton Capital Inc.16,285$78K0.1%N/A0.068%
8/16/2022Delphia USA Inc.17,669$85K0.1%N/A0.074%
8/13/2022Virtu Financial LLC35,789$172K0.0%+154.0%0.150%
5/11/2022ACT Capital Management LLC6,500$33K0.0%-82.7%0.029%


ATNM Institutional Ownership - Frequently Asked Questions

During the previous two years, 40 institutional investors and hedge funds held shares of Actinium Pharmaceuticals. The most heavily invested institutionals were Vanguard Group Inc. ($2.22M), State Street Corp ($1.13M), Millennium Management LLC ($818K), Renaissance Technologies LLC ($469K), Geode Capital Management LLC ($462K), BlackRock Inc. ($388K), and Two Sigma Investments LP ($375K).Learn more on Actinium Pharmaceuticals' institutional investors.

27.50% of Actinium Pharmaceuticals' stock is owned by institutional investors. Learn more on ATNM's institutional investor holdings.

Of the 35 institutional investors that purchased Actinium Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($395.90K), Renaissance Technologies LLC ($246.37K), Gagnon Securities LLC ($226.62K), Jane Street Group LLC ($218.32K), Los Angeles Capital Management LLC ($213.95K), Marshall Wace LLP ($201.68K), and Two Sigma Investments LP ($187.75K).

Institutional investors have bought a total of 1,401,007 shares in the last 24 months. This purchase volume represents approximately $1.79M in transactions.

The following institutional investors have sold Actinium Pharmaceuticals stock in the last 24 months: Millennium Management LLC ($61.67K), Bridgeway Capital Management LLC ($35K), Bank of America Corp DE ($26.64K), Gagnon Securities LLC ($24.45K), and Qube Research & Technologies Ltd ($24.21K).

Institutional investors have sold a total of 171,970 shares in the last 24 months. This volume of shares sold represents approximately $251.41K in transactions.


Related Companies

Institutional ownership data for NYSE:ATNM is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/7/2026. New 13F filings are added each quarter as they're published.
From Our Partners
The ultimate IPO unicorn
Anthropic is now worth more than a trillion dollars, making it the first private company to reach that milesto...
Weiss Ratings | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel
Your $29.97 book is free today
Why Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options ca...
Profits Run | Sponsoredtc pixel
Barricks gold output fell from 2 million ounces to 719000
Barrick's gold production has plunged from 2 million ounces to just 719,000, leaving the world's second-larges...
Golden Portfolio | Sponsoredtc pixel
China is not hedging. It's escaping.
China's US Treasury holdings have fallen from a peak of $1.32 trillion to roughly $659 billion, an 18-year low...
Behind the Markets | Sponsoredtc pixel
The $15 Gold Fund That Pays Up to $1,152/Month
Gold is hitting record highs, but most investors are leaving income on the table. A $15 fund is quietly paying...
Investors Alley | Sponsoredtc pixel
Beginner’s Guide to Gold
The Ultimate Beginner's Guide to Gold IRAs Protect Your Retirement Savings Before It's Too Late With This I...
Goldco Direct, LLC | Sponsoredtc pixel
Free Stock Pick: The Company First in Line for America’s New Super Fuel
The U.S. Army and Department of Energy are launching Project Janus - a high-priority initiative ordered by Pre...
Banyan Hill Publishing | Sponsoredtc pixel