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Actinium Pharmaceuticals
ATNM
ATNM
54 hedge funds and large institutions have $5.27M invested in Actinium Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 12 increasing their positions, 14 reducing their positions, and 12 closing their positions.
New
Increased
Maintained
Reduced
Closed
0.35% less ownership
Funds ownership: 17.34% → 16.99% (-0.35%)
10% less funds holding
Funds holding: 60 → 54 (-6)
14% less repeat investments, than reductions
Existing positions increased: 12 | Existing positions reduced: 14
28% less capital invested
Capital invested by funds: $7.36M → $5.27M (-$2.08M)
42% less first-time investments, than exits
New positions opened: 7 | Existing positions closed: 12
Holders
54
Holders Change
-6
Holders Change %
-10%
% of All Funds
0.67%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
12
Reduced
14
Closed
12
Calls
$147K
Puts
–
Net Calls
+$147K
Net Calls Change
-$72K
Top Buyers
| 1 |
Two Sigma Investments
New York
|
+$152K |
| 2 |
Renaissance Technologies
New York
|
+$96.1K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$49.4K |
| 4 |
Northern Trust
Chicago,
Illinois
|
+$39.5K |
| 5 |
TSS
Two Sigma Securities
New York
|
+$27.3K |
Top Sellers
| 1 |
Squarepoint
New York
|
-$89.4K |
| 2 |
B
Bailard
Foster City,
California
|
-$78.7K |
| 3 |
Jane Street
New York
|
-$70K |
| 4 |
Millennium Management
New York
|
-$44K |
| 5 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$20.8K |
