Perimeter Acquisition CORP I Schedule 13G passive stakes

Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. have amended their Schedule 13G filing for Perimeter Acquisition Corp I, reporting a 9.85% beneficial ownership.

Fort Baker Capital Management LP and affiliates reported a 6.3% beneficial ownership stake in Perimeter Acquisition Corp. I's Class A Ordinary Shares.

Harraden Circle entities and Frederick V. Fortmiller, Jr. have disclosed a collective 9.28% beneficial ownership in Perimeter Acquisition Corp I's Class A Common Stock.

Healthcare of Ontario Pension Plan Trust Fund (HOOPP) has reported a 5% beneficial ownership stake in Perimeter Acquisition Corp. I, a blank check company.

Harraden Circle Investments and related entities have disclosed a 7.66% beneficial ownership stake in Perimeter Acquisition Corp. I's Class A Common Stock.

Healthcare of Ontario Pension Plan Trust Fund (HOOPP) has disclosed a 6.1% beneficial ownership stake in Perimeter Acquisition Corp. I, holding 1.5 million Class A ordinary shares.

Magnetar Financial and its affiliates have reported a 6.05% beneficial ownership stake in Perimeter Acquisition Corp.'s Class A ordinary shares.

Alberta Investment Management Corporation (AIMCo) has filed a Schedule 13G, revealing a beneficial ownership of 6.1% in Perimeter Acquisition Corp. I's Class A Ordinary Shares.

Harraden Circle Investments and related entities, including Frederick V. Fortmiller, Jr., have disclosed a collective beneficial ownership of 8.81% of Perimeter Acquisition Corp. I's Class A Common Stock.

A group of investment entities led by Linden Capital L.P. and Siu Min Wong has disclosed beneficial ownership of up to 6.1% of Perimeter Acquisition Corp. I's Class A ordinary shares.