A detailed history of Two Sigma Investments, LP transactions in Actinium Pharmaceuticals, Inc. stock. As of the latest transaction made, Two Sigma Investments, LP holds 234,293 shares of ATNM stock, worth $304,580. This represents 0.0% of its overall portfolio holdings.

Number of Shares
234,293
Previous 46,545 403.37%
Holding current value
$304,580
Previous $65,000 475.38%
% of portfolio
0.0%
Previous 0.0%

Shares

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

Nov 14, 2025

BUY
$1.4 - $1.86 $262,847 - $349,211
187,748 Added 403.37%
234,293 $374,000
Q2 2025

Aug 14, 2025

BUY
$1.15 - $1.94 $53,526 - $90,297
46,545 New
46,545 $65,000
Q2 2023

Aug 14, 2023

SELL
$7.15 - $9.39 $186,436 - $244,844
-26,075 Reduced 57.25%
19,468 $144,000
Q1 2023

May 15, 2023

SELL
$8.51 - $14.26 $1.43 Million - $2.39 Million
-167,777 Reduced 78.65%
45,543 $430,000
Q4 2022

Feb 14, 2023

BUY
$7.05 - $14.41 $1.39 Million - $2.85 Million
197,494 Added 1247.91%
213,320 $2.27 Million
Q3 2022

Nov 14, 2022

SELL
$4.81 - $8.48 $199,095 - $351,004
-41,392 Reduced 72.34%
15,826 $117,000
Q2 2022

Aug 15, 2022

BUY
$4.71 - $7.11 $269,496 - $406,819
57,218 New
57,218 $275,000

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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