Skip to main content

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, Q2 2026

Institutional positions in Actinium Pharmaceuticals, Inc. as of Jun 30, 2026. 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
47
−6 vs. Q1 2026
Shares held
5.29M
−9.94K (−0.2%) vs. Q1 2026
Total value
$5.18M
−$89.1K (−1.7%) vs. Q1 2026
New holders
6
6 more added
Sold out
12
20 more reduced

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 47 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 heldQ2 2026: $5.18M
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: $29.9MQ1 2024: $54.0MQ2 2024: $53.7MQ3 2024: $15.9MQ4 2024: $10.2MQ1 2025: $13.2MQ2 2025: $7.67MQ3 2025: $8.24MQ4 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$8.24M
Q2 202563$7.67M
Q1 202569$13.2M
Q4 202469$10.2M
Q3 202472$15.9M
Q2 202474$53.7M
Q1 202467$54.0M
Q4 202359$29.9M
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, Q2 2026

Shares, value and share of portfolio for each institution holding Actinium Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding ATNM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Capital Management LLC1,238,302$1.21M0.00%−17,214−1.4%Reduced
Compass Financial Management LLC600,230$588.2K0.07%+600,230New
Millennium Management LLC514,580$504.3K0.00%−50,020−8.9%Reduced
Acadian Asset Management LLC496,288$485.0K0.00%−104,531−17.4%Reduced
BlackRock, Inc.395,896$388.0K0.00%+24,686+6.7%Added
Renaissance Technologies LLC380,491$372.9K0.00%−91,109−19.3%Reduced
Geode Capital Management, LLC324,945$318.6K0.00%−11,128−3.3%Reduced
Two Sigma Investments, LP259,179$254.0K0.00%−77,989−23.1%Reduced
Gagnon Securities LLC182,142$178.5K0.03%−19,158−9.5%Reduced
Vanguard Fiduciary Trust Co161,526$158.3K0.00%+1,261+0.8%Added
State Street Corp122,215$119.8K0.00%−4,000−3.2%Reduced
Gen-Wealth Partners Inc105,111$103.0K0.03%−2,000−1.9%Reduced
Northern Trust Corp69,743$68.3K0.00%−6,112−8.1%Reduced
Qube Research & Technologies Ltd57,812$56.7K0.00%+39,764+220.3%Added
Susquehanna International Group, LLP56,822$55.7K0.00%−67,176−54.2%Reduced
Vontobel Holding Ltd.50,000$49.0K0.00%+20,000+66.7%Added
SNS Financial Group, LLC43,000$42.1K0.00%+43,000New
Bridgeway Capital Management, LLC40,000$39.2K0.00%00.0%Unchanged
Am Investment Strategies LLC29,356$29.0K0.01%00.0%Unchanged
Gerald Baker Financial Group LLC22,691$22.2K0.01%00.0%Unchanged
Mayport, LLC22,000$21.6K0.00%00.0%Unchanged
North Star Asset Management Inc20,000$19.6K0.00%00.0%Unchanged
Wells Fargo & Company19,800$19.4K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.18,865$18.5K0.00%−1,000−5.0%Reduced
XTX Topco Ltd13,731$13.5K0.00%−16,479−54.5%Reduced
Savvy Advisors, Inc.10,000$9.80K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC8,893$8.71K0.00%00.0%Unchanged
UBS Group AG6,758$6.62K0.00%−7,860−53.8%Reduced
Morgan Stanley6,341$6.21K0.00%−7,256−53.4%Reduced
Rockefeller Capital Management L.P.4,000$3.92K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,000$1.96K0.00%−166−7.7%Reduced
Northwestern Mutual Wealth Management Co1,657$1.62K0.00%+1,550+1,448.6%Added
JPMorgan Chase & Co1,494$1.48K0.00%00.0%Unchanged
Jones Financial Companies LLLP1,351$1.34K0.00%+1,000+284.9%Added
National Bank of Canada921$9030.00%−100−9.8%Reduced
SBI Securities Co., Ltd.492$4820.00%−50−9.2%Reduced
Pittenger & Anderson Inc341$3350.00%00.0%Unchanged
Harbour Investments, Inc.334$3270.00%+334New
Nisa Investment Advisors, LLC330$3230.00%00.0%Unchanged
Investors Research Corp300$2940.00%00.0%Unchanged
Allied Private Wealth LLC240$2320.00%+240New
Barclays PLC203$1990.00%+203New
BNP Paribas Arbitrage, SA201$1970.00%−36−15.2%Reduced
Federated Hermes, Inc.137$1340.00%−1,266−90.2%Reduced
Axiom Investment Management LLC5$50.00%+5New
Caitong International Asset Management Co., Ltd1$10.00%00.0%Unchanged
Royal Bank of Canada45$00.00%00.0%Unchanged
Goldman Sachs Group Inc0$00.00%−70,241−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−35,887−100.0%Sold out
Nine Masts Capital Ltd0$00.00%−35,227−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−34,923−100.0%Sold out
Jane Street Group, LLC0$00.00%−34,299−100.0%Sold out
Virtu Financial LLC0$00.00%−12,324−100.0%Sold out
Callan Family Office, LLC0$00.00%−11,944−100.0%Sold out
Intrepid Financial Planning Group LLC0$00.00%−10,500−100.0%Sold out
Level Four Advisory Services, LLC0$00.00%−10,000−100.0%Sold out
Advisory Services Network, LLC0$00.00%−1,460−100.0%Sold out
Citigroup Inc0$00.00%−678−100.0%Sold out
FMR LLC0$00.00%−79−100.0%Sold out
CWM, LLC––––Not filed