Quantum Computing Inc. QUBT

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6.86 USD +0.53 (+8.37%)

At closeNov 9, 2026, 7:57 PM EST

6.57 -0.29 -4.16%

After hours · Nov 9, 7:57 PM ET

6.21 Day range 7.00

5.39 52-week range 14.45

Held by insiders 12.16%

Held by institutions 48.64%

Float held by institutions 55.37%

Institutions 425

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	61.03%	17,733,975	121.66M	Jun 29, 2026
Vanguard Capital Management LLC	30.45%	8,848,881	60.70M	Jun 29, 2026
Defiance Etfs, LLC	24.21%	7,033,410	48.25M	Jun 29, 2026
Penserra Capital Management LLC	24.02%	6,979,349	47.88M	Jun 29, 2026
Vanguard Portfolio Management LLC	22.60%	6,566,582	45.05M	Jun 29, 2026
Geode Capital Management, LLC	18.61%	5,407,167	37.09M	Sep 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
ETF Series Solutions-Defiance Quantum ETF	24.02%	6,979,349	47.88M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	22.19%	6,446,209	44.22M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	18.41%	5,349,811	36.70M	Sep 29, 2026
VANGUARD WORLD FUND-Vanguard Information Technology Index Fund	17.50%	5,084,139	34.88M	Aug 30, 2026
GLOBAL X FUNDS-Global X Artificial Intelligence & Technology ETF	12.08%	3,510,712	24.08M	Sep 29, 2026
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund	7.79%	2,263,643	15.53M	Aug 30, 2026

QUBT insiders
Insider	Relation	Latest transaction	Date	Shares held
BEGLIARBEKOV MILAN	Chief Operating Officer	Stock Award(Grant)	May 27, 2026	50,314
BOEHMLER CHRISTOPHER	Chief Financial Officer	Conversion of Exercise of derivative security	Jun 12, 2025	351,152
DIANAT POUYA	Officer	Stock Award(Grant)	May 27, 2026	24,774
FAGENSON ROBERT B	Director	Stock Award(Grant)	Apr 12, 2026	22,123
HUANG YUPING	Chief Executive Officer	Stock Award(Grant)	Aug 19, 2026	21,531,200
MCGANN WILLIAM J	Chief Executive Officer	Conversion of Exercise of derivative security	Apr 1, 2025	1,249,170

Held by funds