SCHEDULE 13GFiling Date: Oct 6, 2026
Quantinuum Inc. (QNT) SCHEDULE 13G (Oct 6, 2026)
Passive Stake
View SEC Filing
ACC: 0001104659-26-114121
Stake
Kenneth Griffin
PassiveRule 13d-1(b)
Class A common stock, par value $0.0001 per share (the "Shares")CUSIP 74768A104
Percent7.30%
Shares2.40M
Event dateJun 30
Sole voting / Sole dispositive0 / 0
Shared voting / Shared dispositive2.40M / 2.40M
Reporting persons
Citadel Advisors LLC
· IA,HC,OO
7.00%
Citadel Advisors Holdings LP
· HC,PN
7.00%
Citadel GP LLC
· HC,OO
7.00%
Citadel Securities LLC
· BD,OO
0.30%
Citadel Securities Group LP
· HC,PN
0.30%
Citadel Securities GP LLC
· HC,OO
0.30%
Kenneth Griffin
· HC,IN
7.30%
Group total — do not add member rows.
Original SEC Filing Text expand_more
=== SEC Schedule 13G — Passive Stake ===
Issuer: Quantinuum Inc.
Issuer CIK: 0002110105
Class: Class A common stock, par value $0.0001 per share (the "Shares")
CUSIP: 74768A104
Event Date: 2026-06-30
Rule: Rule 13d-1(b)
--- Reporting Persons ---
- Citadel Advisors LLC (no CIK) 2299997.00 sh 7.0% IA,HC,OO
- Citadel Advisors Holdings LP (no CIK) 2299997.00 sh 7.0% HC,PN
- Citadel GP LLC (no CIK) 2299997.00 sh 7.0% HC,OO
- Citadel Securities LLC (no CIK) 103430.00 sh 0.3% BD,OO
- Citadel Securities Group LP (no CIK) 103430.00 sh 0.3% HC,PN
- Citadel Securities GP LLC (no CIK) 103430.00 sh 0.3% HC,OO
- Kenneth Griffin (no CIK) 2403427.00 sh 7.3% HC,IN