QUANTUM COMPUTING INC.

PublicCIK: 1758009
QUBTNASDAQ
Location

HOBOKEN, NJ

13F Filings

Institutional Holders

QUANTUM COMPUTING INC.QUBT— Latest position per institution from SEC 13F filings

15

Institutional holders

123.24M

Total shares held

1.22B

Estimated value

6.16M

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

17.73M

Value

172.02M

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

16.84M

Value

172.79M

Filed

Dec 31, 2025

3

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

9.75M

Value

94.57M

Filed

Jun 30, 2026

4

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

8.85M

Value

85.83M

Filed

Jun 30, 2026

5

JANE STREET GROUP, LLC

CIK 1595888

Shares

8.24M

Value

79.90M

Filed

Jun 30, 2026

6

DEFIANCE ETFS, LLC

CIK 1732541

Shares

7.03M

Value

66.33M

Filed

Jun 30, 2026

7

PENSERRA CAPITAL MANAGEMENT LLC

CIK 1593324

Shares

6.98M

Value

67.70K

Filed

Jun 30, 2026

8

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

6.57M

Value

63.70M

Filed

Jun 30, 2026

9

ANSON FUNDS MANAGEMENT LP

CIK 1491072

Shares

5.37M

Value

98.93M

Filed

Sep 30, 2025

10

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

5.32M

Value

51.64M

Filed

Jun 30, 2026

11

STATE STREET CORP

CIK 93751

Shares

4.92M

Value

47.74M

Filed

Jun 30, 2026

12

CITADEL ADVISORS LLC

CIK 1423053

Shares

4.13M

Value

40.07M

Filed

Jun 30, 2026

13

GHISALLO CAPITAL MANAGEMENT LLC

CIK 1825214

Shares

4.03M

Value

74.19M

Filed

Sep 30, 2025

14

MORGAN STANLEY

CIK 895421

Shares

3.29M

Value

31.93M

Filed

Jun 30, 2026

15

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

2.70M

Value

26.19M

Filed

Jun 30, 2026

16

POLAR ASSET MANAGEMENT PARTNERS INC.

CIK 1326389

Shares

2.69M

Value

48.64M

Filed

Sep 30, 2025

17

MAREX GROUP LTD

CIK 1997464

Shares

2.30M

Value

22.33M

Filed

Jun 30, 2026

18

MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.

CIK 1705339

Shares

2.27M

Value

22.05M

Filed

Jun 30, 2026

19

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

2.17M

Value

224.01K

Filed

Jun 30, 2026

20

UBS GROUP AG

CIK 1610520

Shares

2.05M

Value

19.84M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.