Schedule 13G ownership disclosure

GP-ACT III ACQUISITION CORP

Common · CUSIP: G4035N103

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • Bank of Montreal

    Shares: 1,478,904 · Class: 5.14%

  • BANK OF MONTREAL HOLDING INC.

    Shares: 1,324,296 · Class: 4.6%

  • BMO NESBITT BURNS INC.

    Shares: 1,324,296 · Class: 4.6%

  • BANK OF MONTREAL EUROPE PUBLIC LIMITED COMPANY

    Shares: 154,608 · Class: 0.53%

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

Source: SEC EDGAR filing

Filing metadata

Accession number
0000927971-25-000035
Form type
SCHEDULE 13G
Filer
BANK OF MONTREAL /CAN/
CIK
CIK 927971
Filed
Nov 13, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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