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Actinium Pharmaceuticals, Inc.

ATNM
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001388320

No open-market purchases or sales by Actinium Pharmaceuticals, Inc. insiders were filed in the last 90 days; 47 institutions reported holding it in 13F filings for Q2 2026, worth $5.18M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Actinium Pharmaceuticals, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
61
−1 vs. Q2 2025
Shares held
5.15M
−314.6K (−5.8%) vs. Q2 2025
Total value
$8.23M
+$589.9K (+7.7%) vs. Q2 2025
New holders
9
10 more added
Sold out
10
28 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATNM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 61 institutions
Q1 2021: 40 institutionsQ2 2021: 37 institutionsQ3 2021: 43 institutionsQ4 2021: 42 institutionsQ1 2022: 38 institutionsQ2 2022: 50 institutionsQ3 2022: 56 institutionsQ4 2022: 59 institutionsQ1 2023: 65 institutionsQ2 2023: 71 institutionsQ3 2023: 58 institutionsQ4 2023: 59 institutionsQ1 2024: 67 institutionsQ2 2024: 74 institutionsQ3 2024: 72 institutionsQ4 2024: 69 institutionsQ1 2025: 69 institutionsQ2 2025: 63 institutionsQ3 2025: 61 institutionsQ4 2025: 60 institutionsQ1 2026: 54 institutionsQ2 2026: 47 institutions
Value heldQ3 2025: $8.23M
Q1 2021: $9.99MQ2 2021: $13.7MQ3 2021: $17.1MQ4 2021: $11.5MQ1 2022: $9.37MQ2 2022: $11.9MQ3 2022: $21.2MQ4 2022: $47.8MQ1 2023: $45.0MQ2 2023: $44.8MQ3 2023: $34.1MQ4 2023: $29.3MQ1 2024: $52.8MQ2 2024: $53.6MQ3 2024: $15.9MQ4 2024: $10.2MQ1 2025: $13.2MQ2 2025: $7.66MQ3 2025: $8.23MQ4 2025: $7.36MQ1 2026: $5.27MQ2 2026: $5.18M
Institutions holding ATNM and their total value by quarter
QuarterHoldersValue
Q2 202647$5.18M
Q1 202654$5.27M
Q4 202560$7.36M
Q3 202561$8.23M
Q2 202563$7.66M
Q1 202569$13.2M
Q4 202469$10.2M
Q3 202472$15.9M
Q2 202474$53.6M
Q1 202467$52.8M
Q4 202359$29.3M
Q3 202358$34.1M
Q2 202371$44.8M
Q1 202365$45.0M
Q4 202259$47.8M
Q3 202256$21.2M
Q2 202250$11.9M
Q1 202238$9.37M
Q4 202142$11.5M
Q3 202143$17.1M
Q2 202137$13.7M
Q1 202140$9.99M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Actinium Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding ATNM in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,384,543$2.22M0.00%+12,703+0.9%Added
Millennium Management LLC624,697$999.5K0.00%−38,572−5.8%Reduced
Acadian Asset Management LLC489,577$782.0K0.00%−2,366−0.5%Reduced
BlackRock, Inc.363,486$581.6K0.00%−104,187−22.3%Reduced
Geode Capital Management, LLC328,419$525.6K0.00%−1,270−0.4%Reduced
Renaissance Technologies LLC288,630$461.8K0.00%+79,129+37.8%Added
Two Sigma Investments, LP234,293$374.9K0.00%+187,748+403.4%Added
Gagnon Securities LLC226,257$362.0K0.07%−365−0.2%Reduced
Two Sigma Advisers, LP196,376$314.2K0.00%+196,376New
Citadel Advisors LLC126,615$202.6K0.00%+71,609+130.2%Added
State Street Corp126,215$201.9K0.00%−95,800−43.2%Reduced
Gen-Wealth Partners Inc109,381$175.0K0.06%+109,381New
Susquehanna International Group, LLP105,440$168.7K0.00%+22,368+26.9%Added
Jane Street Group, LLC93,022$148.8K0.00%−125,302−57.4%Reduced
Bridgeway Capital Management, LLC40,000$64.0K0.00%00.0%Unchanged
Northern Trust Corp35,895$57.4K0.00%−24,096−40.2%Reduced
Dimensional Fund Advisors LP34,923$55.9K0.00%00.0%Unchanged
Vontobel Holding Ltd.30,000$48.0K0.00%00.0%Unchanged
Marshall Wace, LLP26,336$42.1K0.00%−71,787−73.2%Reduced
Qube Research & Technologies Ltd25,722$41.2K0.00%−24,210−48.5%Reduced
Callan Family Office, LLC23,603$37.8K0.00%00.0%Unchanged
Mayport, LLC22,000$35.2K0.01%+22,000New
FMR LLC21,100$33.8K0.00%−3,217−13.2%Reduced
North Star Asset Management Inc20,000$32.0K0.00%00.0%Unchanged
XTX Topco Ltd19,961$31.9K0.00%+6,712+50.7%Added
Wells Fargo & Company19,800$31.7K0.00%+14,292+259.5%Added
AQR Capital Management LLC16,805$26.9K0.00%−60,414−78.2%Reduced
UBS Group AG14,576$23.3K0.00%−11,014−43.0%Reduced
Cetera Investment Advisers14,491$23.2K0.00%+14,491New
Russell Investments Group, Ltd.13,340$21.3K0.00%−416−3.0%Reduced
Intrepid Financial Planning Group LLC12,500$20.0K0.01%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.10,295$16.5K0.00%−10,747−51.1%Reduced
Level Four Advisory Services, LLC10,000$16.0K0.00%+10,000New
Advisor Group Holdings, Inc.7,150$12.2K0.00%00.0%Unchanged
Royal Bank of Canada5,717$9.00K0.00%+53+0.9%Added
Morgan Stanley4,719$7.55K0.00%−39,981−89.4%Reduced
Rockefeller Capital Management L.P.4,500$7.20K0.00%+4,500New
Advisory Services Network, LLC2,460$3.94K0.00%+2,460New
Steward Partners Investment Advisory, LLC2,166$3.47K0.00%+166+8.3%Added
Federated Hermes, Inc.1,925$3.08K0.00%−3,396−63.8%Reduced
JPMorgan Chase & Co1,562$2.50K0.00%−17,055−91.6%Reduced
Citigroup Inc1,285$2.06K0.00%−13,831−91.5%Reduced
CWM, LLC1,395$2.00K0.00%−6,150−81.5%Reduced
Nisa Investment Advisors, LLC958$1.53K0.00%00.0%Unchanged
National Bank of Canada855$1.37K0.00%00.0%Unchanged
Bank of America Corp648$1.04K0.00%−25,274−97.5%Reduced
Tower Research Capital LLC (TRC)555$8880.00%−1,923−77.6%Reduced
Group One Trading, L.P.547$8750.00%00.0%Unchanged
SBI Securities Co., Ltd.542$8670.00%00.0%Unchanged
Jones Financial Companies LLLP351$5650.00%+51+17.0%Added
Pittenger & Anderson Inc341$5460.00%00.0%Unchanged
Investors Research Corp300$4800.00%00.0%Unchanged
Groupe la Francaise316$4360.00%+316New
BNP Paribas Arbitrage, SA237$3790.00%−1,150−82.9%Reduced
Northwestern Mutual Wealth Management Co107$1710.00%00.0%Unchanged
EverSource Wealth Advisors, LLC86$1380.00%−129−60.0%Reduced
Essential Partners LLC53$850.00%−168−76.0%Reduced
SRS Capital Advisors, Inc.34$540.00%+34New
Barclays PLC4$70.00%−2,504−99.8%Reduced
True Wealth Design, LLC2$40.00%−22−91.7%Reduced
Cubist Systematic Strategies, LLC1$20.00%−1,926−99.9%Reduced
Creative Financial Designs Inc0$00.00%−109,381−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−91,411−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−64,909−100.0%Sold out
Jain Global LLC0$00.00%−30,903−100.0%Sold out
Am Investment Strategies LLC0$00.00%−30,872−100.0%Sold out
HRT Financial LP0$00.00%−27,476−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−14,500−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−10,823−100.0%Sold out
Raymond James Financial Inc0$00.00%−1,165−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−306−100.0%Sold out
Avantax Advisory Services, Inc.––––Not filed