Quantum Computing QUBT Institutional Ownership

NASDAQ QUBT

$8.25 -0.67 (-7.51%)

As of: Aug 24, 2026 · 3:59 PM EDT

Institutions by Trading Activity

291 Institutions

Increased 157 54.0%

Unchanged 58 19.9%

Reduced 76 26.1%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

41.49%

▼-60,236.98 pp QoQ

Shares Held by Institutions

92.93Mn

of 223.99Mn outstanding

▲+17.89% QoQ

Shares Outstanding

223.99Mn

131.06Mn held outside 13F filers

Institutional Investors

291

filed 13F for Mar 2026

▲+8 vs prior quarter

Net Shares Added (QoQ)

+14.10Mn

accumulated since last quarter

Value of Holdings

$791.76Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Quantum Computing Inc. (NASDAQ:QUBT) showed up in the 13F filings of 291 institutional investors as of March 2026.

These investors held 41.5% of outstanding shares in March 2026, down from 60278.5% in December 2025.
Their total shares held in QUBT increased 17.89% from the prior quarter, while the number of investors in Quantum Computing increased 72.19% year over year.
Of these 291 holders, 157 added to their stakes in Quantum Computing, 76 trimmed positions, and 58 made no changes.
The aggregate institutional position in Quantum Computing amounted to 92.93Mn shares as of March 2026, up by 14.1Mn shares quarter on quarter, and up 69.61Mn shares year over year.
As of March 31, 2026, the biggest holder of Quantum Computing is BlackRock, Inc. at 16.14Mn shares, representing 7.21% of shares outstanding.
The largest buyers of Quantum Computing for the quarter ending March 2026 were VANGUARD CAPITAL MANAGEMENT LLC (8.76Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.71Mn), VANGUARD FIDUCIARY TRUST CO (1.34Mn), Defiance ETFs, LLC (1.32Mn), HRT FINANCIAL LP (1.28Mn).
Top sellers of QUBT stock for the quarter ending March 2026 included Marex Group plc (3.78Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (1.54Mn), CITADEL ADVISORS LLC (1.53Mn), Barclays Plc (1.06Mn), Ameriprise Financial Inc (1.05Mn).
Per Business Quant, the top 10 investors in QUBT for the quarter ending March 2026 include BlackRock, Inc. (16.14Mn), VANGUARD CAPITAL MANAGEMENT LLC (8.76Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.71Mn), GEODE CAPITAL MANAGEMENT, LLC (4.7Mn), State Street Corp (4.52Mn), Defiance ETFs, LLC (4.5Mn), Marex Group plc (4.49Mn), Penserra Capital Management LLC (3.35Mn), Morgan Stanley (2.32Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (2.2Mn).

Form 13F Holdings

291 Institutional Holders

Report period 31 Mar, 2026

Total shares held 92.93Mn

Of outstanding 41.49%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	16,139,212	7.21%	▼507,800	-3.05%	$110.55Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	8,762,295	3.91%	▲8,762,295	0.00%	$60.02Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	6,710,124	3.00%	▲6,710,124	0.00%	$45.96Mn
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	4,700,305	2.10%	▲135,113	+2.96%	$32.20Mn
5	State Street Corp	0000093751	4,516,820	2.02%	▲172,797	+3.98%	$30.94Mn
6	Defiance ETFs, LLC	0001732541	4,495,083	2.01%	▲1,315,178	+41.36%	$30.79Mn
7	Marex Group plc	0001997464	4,488,912	2.00%	▼3,783,241	-45.73%	$30.75Mn
8	Penserra Capital Management LLC	0001593324	3,349,847	1.50%	▲169,942	+5.34%	$22.95K
9	Morgan Stanley	0000895421	2,320,726	1.04%	▲991,145	+74.55%	$15.90Mn
10	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	2,203,301	0.98%	▲975,133	+79.40%	$15.07Mn
11	CAPITAL FUND MANAGEMENT S.A.	0001323645	1,700,895	0.76%	▼552,346	-24.51%	$11.65Mn
12	Northern Trust Corp	0000073124	1,689,081	0.75%	▲37,973	+2.30%	$11.57Mn
13	Mubadala Investment Co PJSC	0001704268	1,587,350	0.71%	0	0.00%	$10.87Mn
14	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,492,210	0.67%	▼130,491	-8.04%	$10.22Mn
15	Squarepoint Ops LLC	0001642575	1,351,733	0.60%	▲419,562	+45.01%	$9.26Mn
16	VANGUARD FIDUCIARY TRUST CO	0000933478	1,343,626	0.60%	▲1,343,626	0.00%	$9.20Mn
17	UBS Group AG	0001610520	1,315,692	0.59%	▼16,238	-1.22%	$9.01Mn
18	HRT FINANCIAL LP	0001475597	1,275,863	0.57%	▲1,275,863	0.00%	$8.74K
19	Bank of New York Mellon Corp	0001390777	1,022,604	0.46%	▲428,418	+72.10%	$7.00Mn
20	PACIFIC HEIGHTS ASSET MANAGEMENT LLC	0001323414	1,000,000	0.45%	▲100,000	+11.11%	$6.85Mn

Showing 1 to 20 of 291 holders