QUANTINUUM INC

Historical 13F Holders

Symbol
QNT
CUSIP
74768A104
All holders as of
Q2 2026
Type
Equity
Class
CL A COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 74768A104 since 12/18/2024, largest first.

Filer % of Class Filed
Honeywell International Inc. 13G
79.1% 8/13/2026
Event 6/30/2026
Cambridge Quantum Holdings Ltd 13G
72.0% 6/22/2026
Event 6/4/2026
Capital World Investors 13G 13.9% 7/6/2026
Event 6/30/2026
Citadel Advisors LLC 13G
7.3% 10/6/2026
Event 6/30/2026
BlackRock Portfolio Management LLC 13G 6.9% 7/17/2026
Event 6/30/2026
Capital Research Global Investors 13G 5.3% 8/12/2026
Event 6/30/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 5 12.0 k $574 k
2026 Q2 181 34.0 M $2.77 B