ACTINIUM PHARMACEUTICALS INC

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

ATNM (ACTINIUM PHARMACEUTICALS INC) is held by 31 institutional investors as of Q1 2026. Largest holders: MILLENNIUM MANAGEMENT LLC ($561,946), RENAISSANCE TECHNOLOGIES LLC ($469,383), BlackRock, Inc. ($369,466). Net institutional sentiment: Mixed.

31

Holders

Avg rating(2 Elite)

$2.7M

Total Value

39% (39)

Fund Consensus

11 buying - 17 selling

Smart Money Verdict

View all

43Weak MomentumConfirmed

Institutional (13F)40

Insider (Form 4)

No data

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how ATNM's score breaks down across 4 SEC sources

Holder Quality

2

★★★★★

Elite

14

★★★★

Strong

15

★★★

Solid

5

★★

Below

3

★

Weak

Held by 31 funds

2 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 (31)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
MILLENNIUM MANAGEMENT LLC	Decreased	564,600(-6.2%)	$561,946	0.0%	-11.97%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	471,600(+20.7%)	$469,383	0.0%	-15.99%	29
BlackRock, Inc.	Increased	371,210(+1.2%)	$369,466	0.0%	+6.70%	16
TWO SIGMA INVESTMENTS, LP	Increased	337,168(+60.8%)	$335,583	0.0%	-10.87%	34
GEODE CAPITAL MANAGEMENT, LLC	Increased	336,073(+2.1%)	$334,594	0.0%	-82.77%	16
STATE STREET CORP	Unchanged	126,215	$125,622	0.0%	-76.15%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	123,998(+50.4%)	$123,415	0.0%	-45.46%	21
NORTHERN TRUST CORP	Increased	75,855(+78.0%)	$75,498	0.0%	-68.69%	22
GOLDMAN SACHS GROUP INC	Decreased	70,241(-0.2%)	$69,911	0.0%	-11.35%	0
DIMENSIONAL FUND ADVISORS LP	Unchanged	34,923	$34,759	0.0%	-86.34%	0
JANE STREET GROUP, LLC	Decreased	34,299(-63.2%)	$34,137	0.0%	-11.97%	0
XTX Topco Ltd	Increased	30,210(+16.3%)	$30,068	0.0%	-11.91%	23
Vontobel Holding Ltd.	Unchanged	30,000	$29,859	0.0%	-2.09%	0
OSAIC HOLDINGS, INC.	Decreased	19,865(-2.0%)	$19,852	0.0%	-58.29%	0
WELLS FARGO & COMPANY/MN	Unchanged	19,800	$19,707	0.0%	-49.61%	0
Qube Research & Technologies Ltd	Decreased	18,048(-4.1%)	$17,963	0.0%	-11.97%	0
UBS Group AG	Increased	14,618(+151x)	$14,545	0.0%	+12.07%	20
MORGAN STANLEY	Decreased	13,597(-28.7%)	$13,533	0.0%	-38.57%	0
Rockefeller Capital Management L.P.	Unchanged	4,000	$3,981	0.0%	-22.84%	0
Steward Partners Investment Advisory, LLC	Unchanged	2,166	$2,156	0.0%	-30.02%	0

Showing 1-20 of 39

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

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