Schedule 13G ownership disclosure

QUANTINUUM INC

Class A Stock · CUSIP: 74768A104

Event date: 2026-09-30

Filing-level shares
1,664,459
Percent of class
4.5%
  • BlackRock Portfolio Management LLC

    Shares: 1,664,459 · Class: 4.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0002052113-26-001105
Form type
SCHEDULE 13G/A
Filer
Quantinuum Inc.
CIK
CIK 2110105
Filed
Oct 27, 2026
Reporting period
Sep 30, 2026
Description
Schedule 13G beneficial ownership

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