Actinium Pharmaceuticals

ATNM • AMEX

Actinium Pharmaceuticals is a biotechnology company in the healthcare sector on AMEX, led by Kaushik J. Dave, with a market cap of $47.1M. As of Q3 2025, 17% of shares are held by 60 institutional investors, with VANGUARD GROUP INC as the largest holder at 4.44%.

President, CEO, and DirectorKaushik J. Dave

Market Cap$47.1M

Biotechnology

Healthcare

Employees49.0

Websiteactiniumpharma.com

Country

United States of America

Overview

Overview of institutional ownership in ATNM as of Q3 2025 with a market cap of $49.9M

All Institutions

Institutions: 60
Value Held: $8.2M
Shares Held: 5.1M
Avg Position: $137.3K
Median Position: $20.7K

Hedge Funds

Hedge Funds: 6
Value Held: $2.4M
Shares Held: 1.5M
Avg Position: $396.6K
Median Position: $344.5K

Ownership Breakdown

Institutional (non-HF)

11.73%

$5.9M

Hedge Funds

4.77%

$2.4M

Retail & Other

83.5%

$41.7M

Based on market cap of $49.9M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ATNM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$2.2M 0.00% of portfolio	4.44% 1.4M shares	Q2 2014 Held for 11y 5m	$6.69T
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$999.5K 0.00% of portfolio	2.00% 624.7K shares	Q1 2024 Held for 1y 8m	$121.98B
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	Gillian Morna Therese Savage CEO	$783.3K 0.00% of portfolio	1.57% 489.6K shares	Q3 2024 Held for 1y 2m	$51.5B
B BlackRock, Inc. Institution	-	$581.6K 0.00% of portfolio	1.17% 363.5K shares	Q1 2017 Held for 8y 8m	$5.67T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$525.6K 0.00% of portfolio	1.05% 328.4K shares	Q2 2014 Held for 11y 5m	$1.57T
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$461.8K 0.00% of portfolio	0.93% 288.6K shares	Q2 2024 Held for 1y 5m	$75.8B
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	Scott David Hoffman CEO	$374.9K 0.00% of portfolio	0.75% 234.3K shares	Q2 2025 Held for 5 months	$62.0B
GAGNON SECURITIES LLC RIA/Wealth	Neil Joseph Gagnon CEO	$362.0K 0.07% of portfolio	0.73% 226.3K shares	Q1 2025 Held for 8 months	$493.8M
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	Scott David Hoffman CEO	$314.2K 0.00% of portfolio	0.63% 196.4K shares	Q3 2025 Held for 2 months	$50.0B
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	Kenneth Cordele Griffin CEO	$202.6K 0.00% of portfolio	0.41% 126.6K shares	Q3 2019 Held for 6y 2m	$122.08B

Net Capital Flow

Institutional buying and selling activity for ATNM in Q3 2025

Traded: −$343.6K
Buyers: 25
Sellers: 32
Total Bought: +$1.2M
Total Sold: −$1.6M
Avg Position: $116.0K

Biggest Buyers

Institution	Net Bought	Current Position
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	+$314.2K +196.4K shares	$314.2K 196.4K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$300.4K +187.7K shares	$374.9K 234.3K shares
G Gen-Wealth Partners Inc Institution	+$175.0K +109.4K shares	$175.0K 109.4K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$126.6K +79.1K shares	$461.8K 288.6K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$114.6K +71.6K shares	$202.6K 126.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	+$35.8K +22.4K shares	$168.7K 105.4K shares
MAYPORT, LLC RIA/Wealth	+$35.2K +22.0K shares	$35.2K 22.0K shares
Cetera Investment Advisers RIA/Wealth	+$23.2K +14.5K shares	$23.2K 14.5K shares
WELLS FARGO & COMPANY/MN Institution	+$22.9K +14.3K shares	$31.7K 19.8K shares
VANGUARD GROUP INC Institution	+$20.3K +12.7K shares	$2.2M 1.4M shares

Biggest Sellers

Institution	Net Sold	Current Position
J JANE STREET GROUP, LLC Institution	−$200.5K −125.3K shares	$148.8K 93.0K shares
B BlackRock, Inc. Institution	−$166.7K −104.2K shares	$581.6K 363.5K shares
STATE STREET CORP Institution	−$153.3K −95.8K shares	$201.9K 126.2K shares
CREATIVE FINANCIAL DESIGNS INC /ADV RIA/Wealth	−$153.1K −109.4K shares	Sold Off 0 shares
GOLDMAN SACHS GROUP INC Institution	−$128.0K −91.4K shares	Sold Off 0 shares
Marshall Wace LLP Institution	−$114.9K −71.8K shares	$42.1K 26.3K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$96.7K −60.4K shares	$26.9K 16.8K shares
Y Y-Intercept Ltd Institution	−$90.9K −64.9K shares	Sold Off 0 shares
MORGAN STANLEY RIA/Wealth	−$64.0K −40.0K shares	$7.6K 4.7K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$61.7K −38.6K shares	$999.5K 624.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ATNM in Q3 2025

New Positions: 5
New Value: $249.8K
Exited Positions: 11
Exited Value: $553.8K

New Positions

Institution	Position Value
G Gen-Wealth Partners Inc Institution	$175.0K 109.4K shares
MAYPORT, LLC RIA/Wealth	$35.2K 22.0K shares
Cetera Investment Advisers RIA/Wealth	$23.2K 14.5K shares
LEVEL FOUR ADVISORY SERVICES, LLC RIA/Wealth	$16.0K 10.0K shares
Groupe la Francaise Fund of Funds	$436.0 316.0 shares

Exited Positions

Institution	Previous Position
CREATIVE FINANCIAL DESIGNS INC /ADV RIA/Wealth	$153.1K 109.4K shares
GOLDMAN SACHS GROUP INC Institution	$128.0K 91.4K shares
Y Y-Intercept Ltd Institution	$90.9K 64.9K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$43.3K 30.9K shares
A AM INVESTMENT STRATEGIES LLC RIA/Wealth	$43.2K 30.9K shares
H HRT FINANCIAL LLC Institution	$38.5K 27.5K shares
C Catalyst Funds Management Pty Ltd Institution	$20.3K 14.5K shares
Prospect Financial Services LLC RIA/Wealth	$19.3K 12.0K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$15.2K 10.8K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$1.6K 1.2K shares

Options Activity

Institutions with the largest Call and Put options positions in ATNM as of Q3 2025

Call Positions: 2
Call Value: $67.7K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$40.2K 251.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$27.5K 172.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with ATNM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
GAGNON SECURITIES LLC RIA/Wealth	Neil Joseph Gagnon CEO	0.07% $362.0K	0.73% 226.3K shares	Q1 2025 Held for 8 months	$493.8M
G Gen-Wealth Partners Inc Institution	-	0.06% $175.0K	0.35% 109.4K shares	Q3 2025 Held for 2 months	$292.0M
I Intrepid Financial Planning Group LLC RIA/Wealth	James Barber Twining CEO	0.01% $20.0K	0.04% 12.5K shares	Q2 2022 Held for 3y 5m	$254.2M
MAYPORT, LLC RIA/Wealth	Adam M Grossman Founder	0.01% $35.2K	0.07% 22.0K shares	Q3 2025 Held for 2 months	$461.6M
P Point72 Asia Pte. Ltd. Institution	-	0.00% $16.5K	0.03% 10.3K shares	Q2 2025 Held for 5 months	$645.8M
X XTX Topco Ltd Institution	-	0.00% $31.9K	0.06% 20.0K shares	Q3 2024 Held for 1y 2m	$1.9B
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	Gillian Morna Therese Savage CEO	0.00% $783.3K	1.57% 489.6K shares	Q3 2024 Held for 1y 2m	$51.5B
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.00% $64.0K	0.13% 40.0K shares	Q2 2020 Held for 5y 5m	$4.7B
NORTH STAR ASSET MANAGEMENT INC RIA/Wealth	Kenneth Jay Brusda Chairman	0.00% $32.0K	0.06% 20.0K shares	Q4 2024 Held for 11 months	$2.4B
Callan Family Office, LLC Family Office	John Ashton Ginter CEO	0.00% $37.8K	0.08% 23.6K shares	Q1 2025 Held for 8 months	$3.1B

Hedge Fund Spotlight

Discover hedge funds investing in ATNM

TWO SIGMA ADVISERS, LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerScott David Hoffman

Portfolio Value: $50.0B
Positions: 2,312
Last Reported: Q3 2025

Sector Allocation

Position in Actinium Pharmaceuticals

Market Value: $314.2K
Shares Held: 196.4K
Portfolio Weight: 0.00%
Owned Since: 2025-Q3

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