ACTINIUM PHARMACEUTICALS INC

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ATNM·00507W206·US·Common Stock·Healthcare - Biotechnology-13D/G

ATNM (ACTINIUM PHARMACEUTICALS INC) is held by 30 institutional investors as of Q2 2026. Largest holders: VANGUARD CAPITAL MANAGEMENT LLC ($1.2M), MILLENNIUM MANAGEMENT LLC ($504,288), BlackRock, Inc. ($387,978). Net institutional sentiment: Bearish.

30

Holders

(2 Elite)

$3.6M

Total Value

27% (30)

Consensus

8 buying - 22 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)58

Insider (Form 4)84

Activist (13D/13G)51

Congressional (STOCK Act)38

Holder Quality

39

★★★★★

Elite

55

★★★★

Strong

47

★★★

Solid

85

★★

Below

88

★

Weak

Held by 30 funds

2 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders none · Activists Jul 29, 2025 · Congress none

ActivistThe Vanguard Group4.4%Jul 29, 2025

ActivistBlackRock, Inc.1.5%Jul 16, 2025

View all activist filings

Top Holders

Top Holders (30)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	1.2M(-1.4%)	$1.2M	0.0%	-9.01%	0
MILLENNIUM MANAGEMENT LLC	Decreased	514,580(-8.9%)	$504,288	0.0%	-28.87%	0
BlackRock, Inc.	Increased	395,896(+6.7%)	$387,978	0.0%	-12.90%	17
RENAISSANCE TECHNOLOGIES LLC	Decreased	380,491(-19.3%)	$372,881	0.0%	-32.12%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	324,945(-3.3%)	$318,553	0.0%	-85.97%	0
TWO SIGMA INVESTMENTS, LP	Decreased	259,179(-23.1%)	$253,995	0.0%	-27.99%	0
VFVANGUARD FIDUCIARY TRUST CO	Increased	161,526(+0.8%)	$158,295	0.0%	-8.93%	15
STATE STREET CORP	Decreased	122,215(-3.2%)	$119,771	0.0%	-80.73%	0
NORTHERN TRUST CORP	Decreased	69,743(-8.1%)	$68,348	0.0%	-74.71%	0
Qube Research & Technologies Ltd	Increased	57,812(+220.3%)	$56,656	0.0%	-9.61%	33
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	56,822(-54.2%)	$55,685	0.0%	-55.93%	0
Vontobel Holding Ltd.	Increased	50,000(+66.7%)	$49,000	0.0%	-12.78%	30
WELLS FARGO & COMPANY/MN	Unchanged	19,800	$19,404	0.0%	-59.29%	0
OSAIC HOLDINGS, INC.	Decreased	18,865(-5.0%)	$18,487	0.0%	-66.30%	0
XTX Topco Ltd	Decreased	13,731(-54.5%)	$13,456	0.0%	-28.82%	0
VGVanguard Global Advisers, LLC	Unchanged	8,893	$8,715	0.0%	-9.01%	0
UBS Group AG	Decreased	6,758(-53.8%)	$6,623	0.0%	-9.45%	0
MORGAN STANLEY	Decreased	6,341(-53.4%)	$6,214	0.0%	-50.37%	0
Rockefeller Capital Management L.P.	Unchanged	4,000	$3,920	0.0%	-37.65%	0
Steward Partners Investment Advisory, LLC	Decreased	2,000(-7.7%)	$1,960	0.0%	-43.46%	0

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ATNMACTINIUM PHARMACEUTICALS INC

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer