IonQ, Inc. (IONQ) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

273,006,145Shares Outstanding

869,000Shares held by institutions

$28,833,420Value of institutional holdings

70.67%Institutional ownership %

17.80%Shares Changed QoQ

627No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

IonQ, Inc. (NYSE:IONQ) currently has 627 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Institutional ownership in IonQ edged up to 70.7% in December 2025, compared to 65.1% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 17.80%, with a year-over-year an increase of 68.55% in the count of filers.
During the quarter, 437 institutions bought more IonQ shares, 132 sold shares, and 58 of the 627 total investors held their position steady.
Collectively, institutional investors increased their stake in IonQ to 192.94Mn shares as of December 2025, a change that is up by 29.16Mn shares quarter on quarter and up 101.80Mn shares year over year.
VANGUARD GROUP INC continues to be the largest institutional holder of IonQ as of December 31, 2025, with a position of 34.77Mn shares, representing 12.74% of the company's outstanding stock.
Among the most significant buyers of IonQ during December 2025 were BlackRock, Inc. (7.60Mn), VANGUARD GROUP INC (5.42Mn), NORGES BANK (4.45Mn), Marex Group plc (3.28Mn), STATE STREET CORP (2.66Mn).
Leading sellers of IonQ stock in December 2025 included MORGAN STANLEY (6.77Mn), D. E. Shaw & Co., Inc. (4.57Mn), JANE STREET GROUP, LLC (2.50Mn), JPMORGAN CHASE & CO (1.45Mn), GOLDMAN SACHS GROUP INC (1.34Mn).
The top 10 institutional holders of IonQ for the quarter ending December 2025 included VANGUARD GROUP INC (34.77Mn), BlackRock, Inc. (30.08Mn), MORGAN STANLEY (19.57Mn), STATE STREET CORP (8.96Mn), GEODE CAPITAL MANAGEMENT, LLC (8.07Mn), NORGES BANK (4.45Mn), UBS Group AG (4.28Mn), Marex Group plc (4.08Mn), NORTHERN TRUST CORP (3.28Mn), Clear Street Group Inc. (3.20Mn).

627 Institutional Holders

869,000 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	34,774,743	5,420,037	18.46%	$1,560,342,719.00
BlackRock, Inc.	31 Dec, 2025	30,077,550	7,595,514	33.78%	$1,349,579,650.00
MORGAN STANLEY	31 Dec, 2025	19,566,831	-6,773,950	-25.72%	$877,963,818.00
STATE STREET CORP	31 Dec, 2025	8,962,789	2,663,230	42.28%	$402,160,342.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	8,074,301	1,452,463	21.93%	$361,623,547.00
NORGES BANK	31 Dec, 2025	4,451,819	4,451,819	0.00%	$199,753,119.00
UBS Group AG	31 Dec, 2025	4,284,027	-17,574	-0.41%	$192,224,291.00
Marex Group plc	31 Dec, 2025	4,083,453	3,282,866	410.06%	$183,224,536.00
NORTHERN TRUST CORP	31 Dec, 2025	3,277,218	540,192	19.74%	$147,048,771.00
Clear Street Group Inc.	31 Dec, 2025	3,195,818	2,196,017	219.65%	$143,396,354.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,919,445	556,680	23.56%	$130,995,497.00
JANE STREET GROUP, LLC	31 Dec, 2025	2,881,122	-2,503,535	-46.49%	$129,275,944.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	2,137,750	504,569	30.89%	$95,920,843.00
FMR LLC	31 Dec, 2025	1,979,213	-292,125	-12.86%	$88,807,301.00
CANTOR FITZGERALD, L. P.	31 Dec, 2025	1,965,274	1,577,185	406.40%	$88,181,844.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	1,836,123	1,514,459	470.82%	$82,386,839.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	1,834,898	1,405,783	327.60%	$82,332,180.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,833,441	-1,335,621	-42.15%	$82,266,498.00
Bank of New York Mellon Corp	31 Dec, 2025	1,737,145	446,452	34.59%	$77,945,678.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	1,583,208	315,930	24.93%	$71,038,543.00

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