Reporting Manager
Healthcare of Ontario Pension Plan Trust Fund
Symbol
PMTR
Shares outstanding
25,000,000 shares
Disclosed Ownership
1,250,000 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
13 Nov 2025, 17:00:03 UTC
Date of event
30 Sep 2025
Previous filing
13 Aug 2025
Next filing
13 Feb 2026

Quoteable Key Fact

"HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND disclosed 5% ownership in Perimeter Acquisition Corp. I Class A ordinary shares, $0.0001 par value (PMTR) on 30 Sep 2025."

Quick Takeaways

  • HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND filed SCHEDULE 13G/A for Perimeter Acquisition Corp. I Class A ordinary shares, $0.0001 par value (PMTR).
  • Disclosed ownership: 5%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 13 Aug 2025.
  • Current filing was accepted on 13 Nov 2025, 17:00.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Healthcare of Ontario Pension Plan Trust Fund 5% 1,250,000 1,250,000 0 /s/ Abas Kanu VP, HOOPP Compliance Officer