Who Owns ACTINIUM PHARMACEUTICALS INC (ATNM)? -- Institutional Holders (2026-06-30)

58 institutions reported holding $5.2M of ACTINIUM PHARMACEUTICALS INC (ATNM) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.4M), COMPASS FINANCIAL MANAGEMENT LLC ($588,225), MILLENNIUM MANAGEMENT LLC ($504,288), ACADIAN ASSET MANAGEMENT LLC ($485,000), BlackRock, Inc. ($387,978). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	VANGUARD GROUP INC	$1.4M	1.4M	Trimmed
2	COMPASS FINANCIAL MANAGEMENT LLC	$588,225	600,230	New
3	MILLENNIUM MANAGEMENT LLC	$504,288	514,580	Trimmed
4	ACADIAN ASSET MANAGEMENT LLC	$485,000	496,288	Trimmed
5	BlackRock, Inc.	$387,978	395,896	Added
6	RENAISSANCE TECHNOLOGIES LLC	$372,881	380,491	Trimmed
7	GEODE CAPITAL MANAGEMENT, LLC	$318,553	324,945	Trimmed
8	TWO SIGMA INVESTMENTS, LP	$253,995	259,179	Trimmed
9	GAGNON SECURITIES LLC	$178,499	182,142	Trimmed
10	STATE STREET CORP	$119,771	122,215	Trimmed
11	Gen-Wealth Partners Inc	$103,009	105,111	Trimmed
12	NORTHERN TRUST CORP	$68,348	69,743	Trimmed
13	Qube Research & Technologies Ltd	$56,656	57,812	Added
14	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$55,685	56,822	Trimmed
15	Vontobel Holding Ltd.	$49,000	50,000	Added
16	SNS Financial Group, LLC	$42,140	43,000	New
17	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$39,200	40,000	Hold
18	AM INVESTMENT STRATEGIES LLC	$29,000	29,356	Hold
19	Gerald Baker Financial Group LLC	$22,237	22,691	Hold
20	MAYPORT, LLC	$21,560	22,000	Hold
21	NORTH STAR ASSET MANAGEMENT INC	$19,600	20,000	Hold
22	WELLS FARGO & COMPANY/MN	$19,404	19,800	Hold
23	JANE STREET GROUP, LLC	$19,110	19,500	Trimmed
24	OSAIC HOLDINGS, INC.	$18,487	18,865	Trimmed
25	XTX Topco Ltd	$13,456	13,731	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30