Quantum Computing Inc. (QUBT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

238,200,000Shares Outstanding

501,333Shares held by institutions

$4,035,731Value of institutional holdings

42.10%Institutional ownership %

28.70%Shares Changed QoQ

271No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Quantum Computing Inc. (NASDAQ:QUBT) currently has 271 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Quantum Computing saw its institutional ownership percentage rose to 42.1% in December 2025 from 42.0% in September 2025.
Institutional share ownership changed by 28.70% QoQ, while the number of institutional owners saw an increase of 110.08% YoY.
During the quarter, 204 institutions bought more Quantum Computing shares, 45 sold shares, and 22 of the 271 total investors held their position steady.
This class of investors increased its holdings in Quantum Computing to 100.28Mn shares for the 13F-cycle ending December 2025, up by 22.36Mn shares quarter on quarter, and up 76.81Mn shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held Quantum Computing's largest shareholding position with over 16.84Mn shares, representing 7.07% of total outstanding shares.
Among the most significant buyers of Quantum Computing during 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).
Leading sellers of Quantum Computing stock in December 2025 included Alyeska Investment Group, L.P. (6.22Mn), JANE STREET GROUP, LLC (4.76Mn), CITADEL ADVISORS LLC (4.02Mn), BNP PARIBAS FINANCIAL MARKETS (1.15Mn), Clear Street Group Inc. (939.24K).
The top 10 institutional holders of Quantum Computing for the quarter ending December 2025 included 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).

271 Institutional Holders

501,333 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	16,841,423	4,643,818	38.07%	$172,793,000.00
BlackRock, Inc.	31 Dec, 2025	16,647,012	6,210,723	59.51%	$170,798,343.00
Marex Group plc	31 Dec, 2025	8,272,153	5,945,679	255.57%	$84,872,290.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	4,565,192	1,428,120	45.52%	$46,846,418.00
STATE STREET CORP	31 Dec, 2025	4,344,023	1,329,433	44.10%	$44,569,676.00
Penserra Capital Management LLC	31 Dec, 2025	3,179,905	1,541,851	94.13%	$32,625.00
Defiance ETFs, LLC	31 Dec, 2025	3,179,905	3,179,905	0.00%	$33,071,012.00
CITADEL ADVISORS LLC	31 Dec, 2025	2,387,241	-4,018,564	-62.73%	$24,493,093.00
CAPITAL FUND MANAGEMENT S.A.	31 Dec, 2025	2,253,241	1,933,885	605.56%	$23,118,252.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	2,231,454	284,981	14.64%	$22,894,718.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,945,400	-4,756,200	-70.97%	$19,959,804.00
NORTHERN TRUST CORP	31 Dec, 2025	1,651,108	447,262	37.15%	$16,940,369.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	1,622,701	485,265	42.66%	$16,648,912.00
Mubadala Investment Co PJSC	31 Dec, 2025	1,587,350	1,587,350	0.00%	$16,286,211.00
Jump Financial, LLC	31 Dec, 2025	1,362,167	1,362,167	0.00%	$13,975,834.00
UBS Group AG	31 Dec, 2025	1,331,930	68,111	5.39%	$13,665,602.00
MORGAN STANLEY	31 Dec, 2025	1,329,581	-178,882	-11.86%	$13,641,501.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	1,228,168	217,164	21.48%	$12,603,856.00
Clear Street Group Inc.	31 Dec, 2025	1,149,865	-939,239	-44.96%	$11,797,615.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	1,104,400	1,068,805	3,002.68%	$11,331,145.00

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