Quantum Computing Inc. (QUBT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

192,837Shares held by institutions

$1,216,801Value of institutional holdings

37.81%Institutional ownership %

176.32%Shares Changed QoQ

221No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Quantum Computing Inc. (NASDAQ:QUBT) has 283 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 58.9% of outstanding stock in December 2025, up from 56.5% the prior quarter.
They increased total shares held in Quantum Computing by 35.86% from last quarter, and the number of investors in QUBT increased 128.23% annually.
Activity in QUBT broke down as 214 buyers, 46 sellers, and 23 unchanged among 283 total holders.
Combined, these investors held 98.28Mn shares in QUBT for December 2025, up by 25.94Mn shares quarter on quarter, and up 75.31Mn shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held the largest stake in Quantum Computing with 16.84Mn shares, accounting for 10.09% of total shares outstanding.
The largest buyers of Quantum Computing for the quarter ending December 2025 were BlackRock, Inc. (6.21Mn), Marex Group plc (5.95Mn), VANGUARD GROUP INC (4.64Mn), Defiance ETFs, LLC (3.18Mn), CAPITAL FUND MANAGEMENT S.A. (1.93Mn).
Top sellers of QUBT stock for the quarter ending December 2025 included Alyeska Investment Group, L.P. (6.22Mn), CITADEL ADVISORS LLC (4.02Mn), Jpmorgan Chase & Co (1.73Mn), BNP PARIBAS FINANCIAL MARKETS (1.15Mn), Clear Street Group Inc. (939.24K).
Per Business Quant data, the top 10 holders of Quantum Computing for the quarter ending December 2025 are VANGUARD GROUP INC (16.84Mn), BlackRock, Inc. (16.65Mn), Marex Group plc (8.27Mn), GEODE CAPITAL MANAGEMENT, LLC (4.57Mn), State Street Corp (4.34Mn), Penserra Capital Management LLC (3.18Mn), Defiance ETFs, LLC (3.18Mn), CITADEL ADVISORS LLC (2.39Mn), CAPITAL FUND MANAGEMENT S.A. (2.25Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (2.23Mn).

283 Institutional Holders

192,837 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	6,210,723	59.51%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	4,643,818	38.07%	$0.00
Marex Group plc	31 Dec, 2025	5,945,679	255.57%	$0.00
Barclays Plc	31 Dec, 2025	851,034	340.50%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,428,120	45.52%	$0.00
Defiance ETFs, LLC	31 Dec, 2025	3,179,905	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	54,795	107.33%	$0.00
State Street Corp	31 Dec, 2025	1,329,433	44.10%	$0.00
Mubadala Investment Co PJSC	31 Dec, 2025	1,587,350	0.00%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	85,538	0.00%	$0.00
Penserra Capital Management LLC	31 Dec, 2025	1,541,851	94.13%	$0.00
Jump Financial, LLC	31 Dec, 2025	1,362,167	0.00%	$0.00
CITADEL ADVISORS LLC	31 Dec, 2025	-4,018,564	-62.73%	$0.00
UBS Group AG	31 Dec, 2025	68,111	5.39%	$0.00
CAPITAL FUND MANAGEMENT S.A.	31 Dec, 2025	1,933,885	605.56%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	217,164	21.48%	$0.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	284,981	14.64%	$0.00
Clear Street Group Inc.	31 Dec, 2025	-939,239	-44.96%	$0.00
Northern Trust Corp	31 Dec, 2025	447,262	37.15%	$0.00
Nuveen, LLC	31 Dec, 2025	544,774	131.97%	$0.00

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