A detailed history of Gagnon Securities LLC transactions in Actinium Pharmaceuticals, Inc. stock. As of the latest transaction made, Gagnon Securities LLC holds 226,257 shares of ATNM stock, worth $294,134. This represents 0.08% of its overall portfolio holdings.

Number of Shares
226,257
Previous 226,622 0.16%
Holding current value
$294,134
Previous $317,000 14.2%
% of portfolio
0.08%
Previous 0.07%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 03, 2025

SELL
$1.4 - $1.86 $510 - $678
-365 Reduced 0.16%
226,257 $362,000
Q1 2025

May 09, 2025

BUY
$1.06 - $2.12 $240,219 - $480,438
226,622 New
226,622 $364,000

Others Institutions Holding ATNM

About Actinium Pharmaceuticals, Inc.


  • Ticker ATNM
  • Exchange NYSE
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 25,184,700
  • Market Cap $32.7M
  • Description
  • Actinium Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing therapies for bone marrow transplant (BMT) or a type of cellular therapy, and for other adoptive cell therapies. Its lead product candidate, I-131 apamistamab (Iomab-B) that is in a pivotal Phase III clinical trial for elderly re...
More about ATNM
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