Actinium Pharmaceuticals ATNM Institutional Ownership

NYSE ATNM
$1.12 +0.01 (+0.90%)
At close: Aug 20, 2026 · 4:00 PM EDT

Institutions by Trading Activity

Ownership Statistics

31,237,681Shares Outstanding
5,301,059Shares held by institutions
$5,884,176Value of institutional holdings
16.97%Institutional ownership %
43.62%Shares Changed QoQ
54No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Actinium Pharmaceuticals, Inc. (NYSE:ATNM) has 54 institutional investors with active 13F positions as of March 2026.

54 Institutional Holders

5,301,059 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,255,516 1,255,516 0.00% $1,249,238.00
ACADIAN ASSET MANAGEMENT LLC 31 Mar, 2026 600,819 -5,520 -0.91% $596.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 564,600 -37,000 -6.15% $561,946.00
RENAISSANCE TECHNOLOGIES LLC 31 Mar, 2026 471,600 80,816 20.68% $469,383.00
BlackRock, Inc. 31 Mar, 2026 371,210 4,279 1.17% $369,466.00
TWO SIGMA INVESTMENTS, LP 31 Mar, 2026 337,168 127,476 60.79% $335,583.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 336,073 7,079 2.15% $334,594.00
GAGNON SECURITIES LLC 31 Mar, 2026 201,300 -507 -0.25% $200,354.00
VANGUARD FIDUCIARY TRUST CO 31 Mar, 2026 160,265 160,265 0.00% $159,464.00
State Street Corp 31 Mar, 2026 126,215 0 0.00% $125,622.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP 31 Mar, 2026 123,998 41,524 50.35% $123,415.00
Gen-Wealth Partners Inc 31 Mar, 2026 107,111 -20 -0.02% $106,608.00
Northern Trust Corp 31 Mar, 2026 75,855 33,245 78.02% $75,498.00
Goldman Sachs Group Inc 31 Mar, 2026 70,241 -70,475 -50.08% $69,911.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC 31 Mar, 2026 40,000 0 0.00% $39,812.00
TWO SIGMA SECURITIES, LLC 31 Mar, 2026 35,887 22,922 176.80% $35,718.00
NINE MASTS CAPITAL Ltd 31 Mar, 2026 35,227 22,287 172.23% $35,061.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 34,923 0 0.00% $34,759.00
JANE STREET GROUP, LLC 31 Mar, 2026 34,299 -58,893 -63.20% $34,137.00
XTX Topco Ltd 31 Mar, 2026 30,210 4,234 16.30% $30,068.00