There is a long list of 226 institutional holders of IONQ within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of IONQ by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-IONQ table below, the initial column indicates the name of each top institutional holder of IONQ, with a link to that fund's top holdings. The next columns indicate the amount of IONQ stock held by each of the institutional holders of IONQ, followed by the IONQ position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	17,906,731	$221,864	12/31/2023
IONQ	17,906,731	$221,864	12/31/2023
BlackRock Inc.	12,350,383	$153,021	12/31/2023
IONQ	12,350,383	$153,021	12/31/2023
Healthcare of Ontario Pension Plan Trust Fund	5,441,600	$67,421	12/31/2023
IONQ	5,441,600	$67,421	12/31/2023
State Street Corp	3,589,750	$44,477	12/31/2023
IONQ	3,589,750	$44,477	12/31/2023
Geode Capital Management LLC	3,534,204	$43,794	12/31/2023
IONQ	3,534,204	$43,794	12/31/2023
Softbank Group Corp	3,138,729	$38,889	12/31/2023
IONQ	3,138,729	$38,889	12/31/2023
Two Sigma Investments LP		$37,089	12/31/2023
IONQ	2,972,319	$36,827	12/31/2023
IONQ.WT	59,500	$262	12/31/2023
SherpaCapital LLC	2,580,295	$31,970	12/31/2023
IONQ	2,580,295	$31,970	12/31/2023
Norges Bank	2,133,197	$26,430	12/31/2023
IONQ	2,133,197	$26,430	12/31/2023
Morgan Stanley		$25,046	12/31/2023
IONQ	2,021,187	$25,043	12/31/2023
IONQ.WT	600	$3	12/31/2023
Bank of America Corp DE		$24,786	12/31/2023
IONQ	2,040,154	$25,278	12/31/2023
Put	39,700	$492	12/31/2023
Amazon com Inc	1,927,061	$23,876	12/31/2023
IONQ	1,927,061	$23,876	12/31/2023
Dimensional Fund Advisors LP	1,506,669	$18,670	12/31/2023
IONQ	1,506,669	$18,670	12/31/2023
Northern Trust Corp	1,490,785	$18,471	12/31/2023
IONQ	1,490,785	$18,471	12/31/2023
Jane Street Group LLC		$17,714	12/31/2023
Call	810,000	$10,036	12/31/2023
IONQ	718,737	$8,905	12/31/2023
Put	99,000	$1,227	12/31/2023
Charles Schwab Investment Management Inc.	1,321,275	$16,371	12/31/2023
IONQ	1,321,275	$16,371	12/31/2023
D. E. Shaw & Co. Inc.		$16,300	12/31/2023
IONQ	1,280,804	$15,869	12/31/2023
Call	34,800	$431	12/31/2023
Two Sigma Advisers LP	1,118,100	$13,853	12/31/2023
IONQ	1,118,100	$13,853	12/31/2023
Teramo Advisors LLC	1,100,000	$13,629	12/31/2023
IONQ	1,100,000	$13,629	12/31/2023
JPMorgan Chase & Co.	1,085,107	$13,444	12/31/2023
IONQ	1,085,107	$13,444	12/31/2023
Susquehanna International Group LLP		$12,809	12/31/2023
Call	1,490,400	$18,466	12/31/2023
Put	1,012,100	$12,540	12/31/2023
IONQ	555,568	$6,883	12/31/2023
FMR LLC	984,250	$12,195	12/31/2023
IONQ	984,250	$12,195	12/31/2023
Renaissance Technologies LLC	897,203	$11,116	12/31/2023
IONQ	897,203	$11,116	12/31/2023
Lansdowne Partners UK LLP	851,175	$10,545	12/31/2023
IONQ	851,175	$10,545	12/31/2023
Bank of New York Mellon Corp	793,465	$9,831	12/31/2023
IONQ	793,465	$9,831	12/31/2023
Hamilton Lane Advisors LLC	742,822	$9,204	12/31/2023
IONQ	742,822	$9,204	12/31/2023
Price T Rowe Associates Inc. MD	729,967	$9,046	12/31/2023
IONQ	729,967	$9,046	12/31/2023
Cubist Systematic Strategies LLC		$7,816	12/31/2023
Call	473,100	$5,862	12/31/2023
IONQ	182,990	$2,267	12/31/2023
Put	25,300	$313	12/31/2023
Goldman Sachs Group Inc.	628,542	$7,788	12/31/2023
IONQ	628,542	$7,788	12/31/2023
Carnegie Capital Asset Management LLC	517,134	$6,407	12/31/2023
IONQ	517,134	$6,407	12/31/2023
Invus Financial Advisors LLC	500,000	$6,195	12/31/2023
IONQ	500,000	$6,195	12/31/2023
Millennium Management LLC		$5,775	12/31/2023
IONQ	450,131	$5,577	12/31/2023
Call	45,000	$198	12/31/2023
First Trust Advisors LP	455,696	$5,646	12/31/2023
IONQ	455,696	$5,646	12/31/2023
Nuveen Asset Management LLC	428,907	$5,314	12/31/2023
IONQ	428,907	$5,314	12/31/2023
Citadel Advisors LLC		$5,146	12/31/2023
Call	762,300	$9,445	12/31/2023
Put	347,000	$4,299	12/31/2023
Capital Fund Management S.A.		$4,468	12/31/2023
Call	864,900	$10,716	12/31/2023
Put	504,300	$6,248	12/31/2023
Magnetar Financial LLC	335,333	$4,155	12/31/2023
IONQ	335,333	$4,155	12/31/2023
Group One Trading L.P.		$4,087	12/31/2023
Call	569,500	$7,056	12/31/2023
Put	239,600	$2,969	12/31/2023
Swiss National Bank	299,400	$3,710	12/31/2023
IONQ	299,400	$3,710	12/31/2023
Rhumbline Advisers	287,148	$3,558	12/31/2023
IONQ	287,148	$3,558	12/31/2023
Royal Bank of Canada		$3,273	12/31/2023
Call	192,800	$2,389	12/31/2023
IONQ	71,286	$884	12/31/2023
Barclays PLC		$3,136	12/31/2023
IONQ	359,749	$4,457	12/31/2023
Put	106,600	$1,321	12/31/2023
Mirae Asset Global Investments Co. Ltd.	244,808	$3,033	12/31/2023
IONQ	244,808	$3,033	12/31/2023
Wells Fargo & Company MN	225,378	$2,792	12/31/2023
IONQ	225,378	$2,792	12/31/2023
Penserra Capital Management LLC	209,542	$2,596	12/31/2023
IONQ	209,542	$2,596	12/31/2023
State of New Jersey Common Pension Fund D	204,956	$2,539	12/31/2023
IONQ	204,956	$2,539	12/31/2023
Invesco Ltd.	204,048	$2,528	12/31/2023
IONQ	204,048	$2,528	12/31/2023
Levin Capital Strategies L.P.		$2,378	12/31/2023
IONQ	156,905	$1,944	12/31/2023
Call	35,000	$434	12/31/2023
Quantbot Technologies LP	190,786	$2,364	12/31/2023
IONQ	190,786	$2,364	12/31/2023
Wolverine Trading LLC		$2,239	12/31/2023
Call	216,300	$2,680	12/31/2023
Put	127,800	$1,583	12/31/2023
IONQ	92,137	$1,142	12/31/2023