QUBT: Quantum Computing Inc insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Institutional ownership (Q2 2026)

313 institutions reported holding $920.90M of Quantum Computing Inc on Form 13F (295 the quarter before). 63 opened a new position and 45 sold out. Shares held by institutions: +11%.

Largest holdersSharesValue
BlackRock, Inc.17,733,975$172.02M
VANGUARD CAPITAL MANAGEMENT LLC8,848,881$85.83M
Defiance ETFs, LLC7,033,410$66.33M
VANGUARD PORTFOLIO MANAGEMENT LLC6,566,582$63.70M
GEODE CAPITAL MANAGEMENT, LLC5,322,648$51.64M
STATE STREET CORP4,921,317$47.74M
MORGAN STANLEY3,292,011$31.93M
Marex Group Ltd2,302,359$22.33M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,272,533$22.05M
UBS Group AG2,045,200$19.84M

Get new insider and activist filings the morning after: daily alerts. Not investment advice.