Healthcare Of Ontario Pension Plan Trust Fund - Sep 30, 2025 SCHEDULE 13G Report for Highview Merger Corp. Class A ordinary shares, $0.0001 par value (HVMCU)

Filing Manager: HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
Reporting Manager: Healthcare of Ontario Pension Plan Trust Fund
Security: Highview Merger Corp. Class A ordinary shares, $0.0001 par value
Symbol: HVMCU
Shares outstanding: 23.6M shares
Disclosed Ownership: 1.25M shares
Ownership: 5.3%
Form type: SCHEDULE 13G
Date filed: 11/13/2025, 05:00 PM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Healthcare of Ontario Pension Plan Trust Fund	5.3%	1.25M	1.25M	0	/s/ Abas Kanu	VP, HOOPP Compliance Officer