ACTINIUM PHARMACEUTICALS INC

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

ATNM (ACTINIUM PHARMACEUTICALS INC) is held by 34 institutional investors as of Q1 2026. Largest holders: VANGUARD CAPITAL MANAGEMENT LLC ($1.2M), MILLENNIUM MANAGEMENT LLC ($561,946), RENAISSANCE TECHNOLOGIES LLC ($469,383). Net institutional sentiment: Mixed.

34

Holders

Avg rating(9 Elite)

$4.1M

Total Value

47% (41)

Fund Consensus

14 buying - 16 selling

Smart Money Verdict

View all

Institutional (13F)

Insider (Form 4)

Activist (13D/13G)

Congressional (STOCK Act)

Holder Quality

★★★★★

Elite

★★★★

Strong

★★★

Solid

★★

Below

★

Weak

Held by 34 funds

9 elite

Who's Trading

ActivistThe Vanguard Group4.4%Jul 29, 2025

ActivistBlackRock, Inc.1.5%Jul 16, 2025

View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (34)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.3M	$1.2M	0.0%	-16.22%	39
MILLENNIUM MANAGEMENT LLC	Decreased	564,600(-6.2%)	$561,946	0.0%	-34.51%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	471,600(+20.7%)	$469,383	0.0%	-37.50%	29
BlackRock, Inc.	Increased	371,210(+1.2%)	$369,466	0.0%	-20.61%	16
TWO SIGMA INVESTMENTS, LP	Increased	337,168(+60.8%)	$335,583	0.0%	-33.69%	34
GEODE CAPITAL MANAGEMENT, LLC	Increased	336,073(+2.1%)	$334,594	0.0%	-87.18%	16
VFVANGUARD FIDUCIARY TRUST CO	New	160,265	$159,464	0.0%	-16.22%	34
STATE STREET CORP	Unchanged	126,215	$125,622	0.0%	-82.25%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	123,998(+50.4%)	$123,415	0.0%	-59.42%	21
NORTHERN TRUST CORP	Increased	75,855(+78.0%)	$75,498	0.0%	-76.71%	22
GOLDMAN SACHS GROUP INC	Decreased	70,241(-0.2%)	$69,911	0.0%	-34.04%	0
DIMENSIONAL FUND ADVISORS LP	Unchanged	34,923	$34,759	0.0%	-89.84%	0
JANE STREET GROUP, LLC	Decreased	34,299(-63.2%)	$34,137	0.0%	-34.51%	0
XTX Topco Ltd	Increased	30,210(+16.3%)	$30,068	0.0%	-34.46%	23
Vontobel Holding Ltd.	Unchanged	30,000	$29,859	0.0%	-27.16%	0
OSAIC HOLDINGS, INC.	Decreased	19,865(-2.0%)	$19,852	0.0%	-68.97%	0
WELLS FARGO & COMPANY/MN	Unchanged	19,800	$19,707	0.0%	-62.51%	0
Qube Research & Technologies Ltd	Decreased	18,048(-4.1%)	$17,963	0.0%	-34.51%	0
UBS Group AG	Increased	14,618(+151x)	$14,545	0.0%	-16.62%	20
MORGAN STANLEY	Decreased	13,597(-28.7%)	$13,533	0.0%	-54.30%	0

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

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer