Actinium PharmaceuticalsATNM

13F holders, Q2 2025 (June 30)
63holders −6
18new positions
25sold out
4famous investors
$1.40avg. 13F price*

At the end of Q2 2025, 63 institutions reported holding Actinium Pharmaceuticals Inc. (ATNM) in their 13F filings, down 6 from Q1 2025. 18 opened new positions and 25 sold out. The largest holders were Vanguard Group Inc. ($1.9M), Millennium Management ($929K) and Acadian Asset Management LLC ($687K). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Actinium Pharmaceuticals Inc.
CUSIP
00507W206
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 67Q1 2024Q2 2024: 74Q2 2024Q3 2024: 72Q3 2024Q4 2024: 69Q4 2024Q1 2025: 69Q1 2025Q2 2025: 63Q2 2025Q3 2025: 61Q3 2025Q4 2025: 60Q4 2025Q1 2026: 54Q1 2026Q2 2026: 47Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions18$1.8M
Exits25$1.7M

All 13F filers, Q1 2025 → Q2 2025: 1,529,865 shares bought and 4,252,094 shares sold, net −2,722,229 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 63 holders

Vanguard Group Inc. 0.00% Reduce -12.7% 1,371,840 $1.9M
Millennium Management 0.00% New 663,269 $929K
Acadian Asset Management LLC 0.00% Reduce -2.4% 491,943 $687K
BlackRock, Inc. 0.00% Reduce -76.0% 467,673 $655K
Geode Capital Management, LLC 0.00% Reduce -53.7% 329,689 $462K
Gagnon Securities LLC 0.06% No change 226,622 $317K
State Street Corp. 0.00% Reduce -65.6% 222,015 $311K
Jane Street Group, LLC 0.00% New 218,324 $306K
Renaissance Technologies 0.00% Add +263.7% 209,501 $293K
Creative Financial Designs Inc. 0.01% Add +3.5% 109,381 $153K
Marshall Wace, LLP 0.00% New 98,123 $137K
Goldman Sachs Group Inc. 0.00% Add +19.0% 91,411 $128K
Susquehanna International Group, LLP 0.00% Reduce -22.4% 83,072 $116K
AQR Capital Management 0.00% Add +22.1% 77,219 $108K
Y-Intercept (Hong Kong) Ltd 0.00% New 64,909 $91K
Northern Trust Corp. 0.00% Reduce -73.7% 59,991 $84K
Citadel Advisors 0.00% New 55,006 $77K
Qube Research & Technologies Ltd 0.00% New 49,932 $70K
Two Sigma Investments, LP 0.00% New 46,545 $65K
Morgan Stanley 0.00% Reduce -32.0% 44,700 $63K
Bridgeway Capital Management, LLC 0.00% Reduce -46.7% 40,000 $56K
Dimensional Fund Advisors LP 0.00% No change 34,923 $49K
Jain Global LLC 0.00% New 30,903 $43K
Am Investment Strategies LLC 0.01% No change 30,872 $43K
Vontobel Holding Ltd. 0.00% No change 30,000 $42K
HRT Financial LP 0.00% New 27,476 $38K
Bank of America Corp. 0.00% Reduce -50.7% 25,922 $36K
UBS Group AG 0.00% Reduce -93.5% 25,590 $36K
FMR LLC 0.00% Add +93.3% 24,317 $34K
Callan Family Office, LLC 0.00% No change 23,603 $33K
Point72 Asia (Singapore) Pte. Ltd. 0.01% New 21,042 $29K
North Star Asset Management Inc. 0.00% Add +100.0% 20,000 $28K
JPMorgan Chase & Co. 0.00% Reduce -11.9% 18,617 $26K
Citigroup Inc. 0.00% Reduce -33.4% 15,116 $21K
Catalyst Funds Management Pty Ltd 0.01% New 14,500 $20K
Avantax Advisory Services, Inc. 0.00% No change 14,491 $20K
Russell Investments Group, Ltd. 0.00% Reduce -5.8% 13,756 $19K
XTX Topco Ltd 0.00% New 13,249 $19K
Intrepid Financial Planning Group LLC 0.01% Reduce -13.8% 12,500 $18K
Schonfeld Strategic Advisors LLC 0.00% New 10,823 $15K
Cwm, LLC 0.00% Add +16.6% 7,545 $11K
Osaic Holdings, Inc. 0.00% Reduce -9.8% 7,150 $10K
Royal Bank of Canada 0.00% Add +342.5% 5,664 $8K
Wells Fargo & Company 0.00% Reduce -72.9% 5,508 $8K
Federated Hermes, Inc. 0.00% Reduce -3.9% 5,321 $7K
Barclays PLC 0.00% Reduce -93.7% 2,508 $4K
Tower Research Capital LLC (TRC) 0.00% Reduce -70.3% 2,478 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 2,000 $3K
Cubist Systematic Strategies, LLC 0.00% New 1,927 $3K
BNP Paribas Financial Markets 0.00% Reduce -24.3% 1,387 $2K
Raymond James Financial Inc. 0.00% New 1,165 $2K
Nisa Investment Advisors, LLC 0.00% Reduce -29.6% 958 $1K
National Bank of Canada 0.00% No change 855 $1K
Group One Trading LLC 0.00% New 547 $766
SBI Securities Co., Ltd. 0.00% No change 542 $759
Pittenger & Anderson Inc. 0.00% No change 341 $478
Clearstead Advisors, LLC 0.00% New 306 $429
Jones Financial Companies LLLP 0.00% New 300 $426
Investors Research Corp 0.00% Add +20.0% 300 $420
Essential Partners LLC 0.00% — 221 $309
EverSource Wealth Advisors, LLC 0.00% Add +28.0% 215 $301
Northwestern Mutual Wealth Management Co. 0.00% No change 107 $150
True Wealth Design, LLC 0.00% Add +41.2% 24 $34

"% of holder's portfolio" is ATNM's weight in each manager's 13F, not the share of Actinium Pharmaceuticals Inc. the manager owns.