On this page, we present all of the funds holding ATOM from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ATOM, with a link to that fund's top holdings. The next columns indicate the amount of ATOM stock held by each of the funds holding ATOM, followed by the ATOM position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 77 funds holding ATOM 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 ATOM), click the fund name in the "Holder" column of the funds-holding-ATOM table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	1,534,838	$10,759	12/31/2023
ATOM	1,534,838	$10,759	12/31/2023
Vanguard Group Inc.	1,385,368	$9,711	12/31/2023
ATOM	1,385,368	$9,711	12/31/2023
Hollencrest Capital Management		$5,434	12/31/2023
ATOM	775,162	$5,434	12/31/2023
Call	60,500	$0	12/31/2023
Geode Capital Management LLC	491,307	$3,444	12/31/2023
ATOM	491,307	$3,444	12/31/2023
State Street Corp	425,633	$2,984	12/31/2023
ATOM	425,633	$2,984	12/31/2023
Baird Financial Group Inc.	411,994	$2,888	12/31/2023
ATOM	411,994	$2,888	12/31/2023
Avenir Corp	372,761	$2,613	12/31/2023
ATOM	372,761	$2,613	12/31/2023
Susquehanna International Group LLP		$1,835	12/31/2023
ATOM	225,080	$1,578	12/31/2023
Call	36,700	$257	12/31/2023
Quantum Private Wealth LLC	240,646	$1,687	12/31/2023
ATOM	240,646	$1,687	12/31/2023
Northern Trust Corp	196,641	$1,378	12/31/2023
ATOM	196,641	$1,378	12/31/2023
Bard Associates Inc.	179,700	$1,260	12/31/2023
ATOM	179,700	$1,260	12/31/2023
GWM Advisors LLC	152,675	$1,070	12/31/2023
ATOM	152,675	$1,070	12/31/2023
Sargent Investment Group LLC	132,540	$929	12/31/2023
ATOM	132,540	$929	12/31/2023
D. E. Shaw & Co. Inc.	132,449	$928	12/31/2023
ATOM	132,449	$928	12/31/2023
GSA Capital Partners LLP	107,366	$753	12/31/2023
ATOM	107,366	$753	12/31/2023
Millennium Management LLC	100,736	$706	12/31/2023
ATOM	100,736	$706	12/31/2023
Commonwealth Equity Services LLC	78,344	$549	12/31/2023
ATOM	78,344	$549	12/31/2023
Westside Investment Management Inc.	84,570	$521	03/31/2024
ATOM	84,570	$521	03/31/2024
State of Wisconsin Investment Board	72,200	$506	12/31/2023
ATOM	72,200	$506	12/31/2023
Group One Trading L.P.		$486	12/31/2023
ATOM	77,103	$540	12/31/2023
Put	12,500	$88	12/31/2023
Call	4,900	$34	12/31/2023
Charles Schwab Investment Management Inc.	64,918	$455	12/31/2023
ATOM	64,918	$455	12/31/2023
Morgan Stanley	64,390	$451	12/31/2023
ATOM	64,390	$451	12/31/2023
Channel Wealth LLC	69,150	$426	03/31/2024
ATOM	69,150	$426	03/31/2024
Simplex Trading LLC		$409	03/31/2024
ATOM	50,679	$312	03/31/2024
Call	19,800	$121	03/31/2024
Put	3,900	$24	03/31/2024
Bank of New York Mellon Corp	65,123	$401	03/31/2024
ATOM	65,123	$401	03/31/2024
Nuveen Asset Management LLC	55,922	$392	12/31/2023
ATOM	55,922	$392	12/31/2023
Wolverine Trading LLC		$389	12/31/2023
Call	31,100	$218	12/31/2023
ATOM	24,407	$171	12/31/2023
UBS Group AG	52,768	$370	12/31/2023
ATOM	52,768	$370	12/31/2023
LPL Financial LLC	45,557	$319	12/31/2023
ATOM	45,557	$319	12/31/2023
Jane Street Group LLC		$312	12/31/2023
Call	26,200	$184	12/31/2023
ATOM	18,303	$128	12/31/2023
Barclays PLC	30,717	$215	12/31/2023
ATOM	30,717	$215	12/31/2023
Bank of America Corp DE	29,760	$209	12/31/2023
ATOM	29,760	$209	12/31/2023
Rhumbline Advisers	29,537	$207	12/31/2023
ATOM	29,537	$207	12/31/2023
Price T Rowe Associates Inc. MD	27,319	$192	12/31/2023
ATOM	27,319	$192	12/31/2023
Riverwater Partners LLC	22,918	$161	12/31/2023
ATOM	22,918	$161	12/31/2023
Advisory Research Inc.	20,000	$140	12/31/2023
ATOM	20,000	$140	12/31/2023
Renaissance Technologies LLC	17,870	$125	12/31/2023
ATOM	17,870	$125	12/31/2023
Walleye Trading LLC		$123	12/31/2023
Call	17,600	$123	12/31/2023
JPMorgan Chase & Co.	16,200	$114	12/31/2023
ATOM	16,200	$114	12/31/2023
BNP Paribas Arbitrage SA	14,898	$104	12/31/2023
ATOM	14,898	$104	12/31/2023
Goldman Sachs Group Inc.	14,742	$103	12/31/2023
ATOM	14,742	$103	12/31/2023
Cim Investment Mangement Inc.	14,306	$100	12/31/2023
ATOM	14,306	$100	12/31/2023
Sigma Planning Corp	11,600	$81	12/31/2023
ATOM	11,600	$81	12/31/2023
Invesco Ltd.	11,318	$79	12/31/2023
ATOM	11,318	$79	12/31/2023
MetLife Investment Management LLC	11,274	$79	12/31/2023
ATOM	11,274	$79	12/31/2023
American International Group Inc.	11,131	$78	12/31/2023
ATOM	11,131	$78	12/31/2023
Blair William & Co. IL	11,025	$77	12/31/2023
ATOM	11,025	$77	12/31/2023
Deutsche Bank AG	10,558	$74	12/31/2023
ATOM	10,558	$74	12/31/2023
Foundations Investment Advisors LLC	10,269	$72	12/31/2023
ATOM	10,269	$72	12/31/2023
WealthTrust Axiom LLC	10,000	$70	12/31/2023
ATOM	10,000	$70	12/31/2023
New York State Common Retirement Fund	9,642	$68	12/31/2023
ATOM	9,642	$68	12/31/2023
Raymond James & Associates	10,777	$66	03/31/2024
ATOM	10,777	$66	03/31/2024
Royal Bank of Canada	9,070	$63	12/31/2023
ATOM	9,070	$63	12/31/2023
Wells Fargo & Company MN	7,863	$55	12/31/2023
ATOM	7,863	$55	12/31/2023
California State Teachers Retirement System	3,686	$26	12/31/2023
ATOM	3,686	$26	12/31/2023
Tower Research Capital LLC TRC	3,456	$24	12/31/2023
ATOM	3,456	$24	12/31/2023
Citigroup Inc.	3,173	$22	12/31/2023
ATOM	3,173	$22	12/31/2023
Creekmur Asset Management LLC	2,924	$20	12/31/2023
ATOM	2,924	$20	12/31/2023
Legal & General Group Plc	2,426	$17	12/31/2023
ATOM	2,426	$17	12/31/2023
FMR LLC	2,304	$16	12/31/2023
ATOM	2,304	$16	12/31/2023
Quantbot Technologies LP	2,000	$14	12/31/2023
ATOM	2,000	$14	12/31/2023
Advisory Services Network LLC	1,690	$12	12/31/2023
ATOM	1,690	$12	12/31/2023
Ameritas Investment Partners Inc.	1,466	$10	12/31/2023
ATOM	1,466	$10	12/31/2023
Newbridge Financial Services Group Inc.	1,500	$9	03/31/2024
ATOM	1,500	$9	03/31/2024
Advisor Group Holdings Inc.	1,270	$9	12/31/2023
ATOM	1,270	$9	12/31/2023
Metropolitan Life Insurance Co NY	1,169	$8	12/31/2023
ATOM	1,169	$8	12/31/2023
Amalgamated Bank	707	$4	03/31/2024
ATOM	707	$4	03/31/2024
Armstrong Advisory Group Inc.	665	$4	03/31/2024
ATOM	665	$4	03/31/2024
Global Retirement Partners LLC	455	$3	03/31/2024
ATOM	455	$3	03/31/2024
Cutler Group LP		$2	03/31/2024
Call	1,900	$2	03/31/2024
Put	100	$0	03/31/2024
Allworth Financial LP	100	$1	03/31/2024
ATOM	100	$1	03/31/2024
Benjamin F. Edwards & Company Inc.	200	$1	12/31/2023
ATOM	200	$1	12/31/2023
CWM LLC	4	$0	03/31/2024
ATOM	4	$0	03/31/2024
Versant Capital Management Inc	43	$0	03/31/2024
ATOM	43	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
ATOM	0	$0	12/31/2023
Call	0	$0	12/31/2023
National Bank of Canada FI		$0	12/31/2023
Put	2,000	$1,298	12/31/2023
ATOM	200,000	$1,298	12/31/2023
Nisa Investment Advisors LLC	12	$0	12/31/2023
ATOM	12	$0	12/31/2023
Citadel Advisors LLC	113,100	$-83	12/31/2023
Put	124,900	$876	12/31/2023
Call	113,100	$793	12/31/2023