On this page, we present all of the funds holding ATNM from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ATNM, with a link to that fund's top holdings. The next columns indicate the amount of ATNM stock held by each of the funds holding ATNM, followed by the ATNM position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 58 funds holding ATNM within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding ATNM), click the fund name in the "Holder" column of the funds-holding-ATNM table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	1,691,914	$8,595	12/31/2023
ATNM	1,691,914	$8,595	12/31/2023
Vanguard Group Inc.	1,364,213	$6,930	12/31/2023
ATNM	1,364,213	$6,930	12/31/2023
Geode Capital Management LLC	569,549	$2,894	12/31/2023
ATNM	569,549	$2,894	12/31/2023
State Street Corp	506,842	$2,575	12/31/2023
ATNM	506,842	$2,575	12/31/2023
Northern Trust Corp	226,392	$1,150	12/31/2023
ATNM	226,392	$1,150	12/31/2023
Dimensional Fund Advisors LP	147,437	$749	12/31/2023
ATNM	147,437	$749	12/31/2023
Brandywine Global Investment Management LLC	145,600	$740	12/31/2023
ATNM	145,600	$740	12/31/2023
Susquehanna International Group LLP		$549	12/31/2023
Call	80,500	$409	12/31/2023
ATNM	60,996	$310	12/31/2023
Put	33,500	$170	12/31/2023
Bank of New York Mellon Corp	67,366	$527	03/31/2024
ATNM	67,366	$527	03/31/2024
Morgan Stanley	99,547	$506	12/31/2023
ATNM	99,547	$506	12/31/2023
Nuveen Asset Management LLC	99,346	$505	12/31/2023
ATNM	99,346	$505	12/31/2023
Bridgeway Capital Management Inc.	83,966	$427	12/31/2023
ATNM	83,966	$427	12/31/2023
Charles Schwab Investment Management Inc.	76,208	$387	12/31/2023
ATNM	76,208	$387	12/31/2023
Simplex Trading LLC		$260	03/31/2024
Call	38,700	$303	03/31/2024
Put	14,600	$114	03/31/2024
ATNM	9,071	$71	03/31/2024
Royce & Associates LP	50,000	$254	12/31/2023
ATNM	50,000	$254	12/31/2023
Bank of America Corp DE	49,534	$252	12/31/2023
ATNM	49,534	$252	12/31/2023
Barclays PLC	37,716	$192	12/31/2023
ATNM	37,716	$192	12/31/2023
Rhumbline Advisers	31,648	$161	12/31/2023
ATNM	31,648	$161	12/31/2023
Jane Street Group LLC	29,722	$151	12/31/2023
ATNM	29,722	$151	12/31/2023
UBS Group AG	29,757	$151	12/31/2023
ATNM	29,757	$151	12/31/2023
Creative Financial Designs Inc. ADV	19,800	$101	12/31/2023
ATNM	19,800	$101	12/31/2023
Virtu Financial LLC	19,570	$99	12/31/2023
ATNM	19,570	$99	12/31/2023
JPMorgan Chase & Co.	18,572	$94	12/31/2023
ATNM	18,572	$94	12/31/2023
Intrepid Financial Planning Group LLC	16,000	$81	12/31/2023
ATNM	16,000	$81	12/31/2023
Goldman Sachs Group Inc.	15,480	$79	12/31/2023
ATNM	15,480	$79	12/31/2023
Sanders Morris Harris LLC	10,000	$78	03/31/2024
ATNM	10,000	$78	03/31/2024
National Asset Management Inc.	14,550	$74	12/31/2023
ATNM	14,550	$74	12/31/2023
Citadel Advisors LLC		$73	12/31/2023
Put	36,100	$183	12/31/2023
ATNM	32,408	$165	12/31/2023
Call	18,000	$91	12/31/2023
Mirae Asset Global Investments Co. Ltd.	14,285	$73	12/31/2023
ATNM	14,285	$73	12/31/2023
Deutsche Bank AG	14,178	$72	12/31/2023
ATNM	14,178	$72	12/31/2023
MetLife Investment Management LLC	13,842	$70	12/31/2023
ATNM	13,842	$70	12/31/2023
American International Group Inc.	13,566	$69	12/31/2023
ATNM	13,566	$69	12/31/2023
Royal Bank of Canada	13,534	$69	12/31/2023
ATNM	13,534	$69	12/31/2023
New York State Common Retirement Fund	12,633	$64	12/31/2023
ATNM	12,633	$64	12/31/2023
Wells Fargo & Company MN	12,443	$63	12/31/2023
ATNM	12,443	$63	12/31/2023
Perritt Capital Management Inc.	12,000	$61	12/31/2023
ATNM	12,000	$61	12/31/2023
Invesco Ltd.	11,561	$59	12/31/2023
ATNM	11,561	$59	12/31/2023
Group One Trading L.P.		$59	12/31/2023
Call	6,400	$33	12/31/2023
ATNM	5,040	$26	12/31/2023
Voya Investment Management LLC	11,014	$56	12/31/2023
ATNM	11,014	$56	12/31/2023
Advisor Group Holdings Inc.	6,650	$34	12/31/2023
ATNM	6,650	$34	12/31/2023
California State Teachers Retirement System	4,492	$23	12/31/2023
ATNM	4,492	$23	12/31/2023
Citigroup Inc.	3,926	$20	12/31/2023
ATNM	3,926	$20	12/31/2023
FMR LLC	2,928	$15	12/31/2023
ATNM	2,928	$15	12/31/2023
Legal & General Group Plc	3,018	$15	12/31/2023
ATNM	3,018	$15	12/31/2023
Ameritas Investment Partners Inc.	2,148	$11	12/31/2023
ATNM	2,148	$11	12/31/2023
Tower Research Capital LLC TRC	2,098	$11	12/31/2023
ATNM	2,098	$11	12/31/2023
Advisory Services Network LLC	2,120	$11	12/31/2023
ATNM	2,120	$11	12/31/2023
Amalgamated Bank	877	$7	03/31/2024
ATNM	877	$7	03/31/2024
Metropolitan Life Insurance Co NY	1,434	$7	12/31/2023
ATNM	1,434	$7	12/31/2023
Retirement Group LLC	1,191	$6	12/31/2023
ATNM	1,191	$6	12/31/2023
National Bank of Canada FI	855	$5	12/31/2023
ATNM	855	$5	12/31/2023
Bfsg LLC	500	$4	03/31/2024
ATNM	500	$4	03/31/2024
Hartford Financial Management Inc.	266	$2	03/31/2024
ATNM	266	$2	03/31/2024
CWM LLC	91	$1	03/31/2024
ATNM	91	$1	03/31/2024
Hazlett Burt & Watson Inc.	200	$1	12/31/2023
ATNM	200	$1	12/31/2023
Northwestern Mutual Wealth Management Co.	107	$1	12/31/2023
ATNM	107	$1	12/31/2023
Steward Partners Investment Advisory LLC	100	$1	12/31/2023
ATNM	100	$1	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
ATNM	0	$0	12/31/2023
Call	0	$0	12/31/2023
Coppell Advisory Solutions LLC	7	$0	12/31/2023
ATNM	7	$0	12/31/2023

See Summary: Institutional Holders of ATNM
See Details: Top 10 Hedge Funds Holding ATNM
Also See: ATNM Insider Buying
Also See: ATNM Holdings Changes

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ATNM — Performance