Perimeter Acquisition Corp. I - Class A Common Stock (PMTRU) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q4 2025

Type / Class
Equity / Class A Common Stock
Symbol
PMTRU on Nasdaq
Shares outstanding
24,804,178
Price per share
$10.60
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
891,559
Total reported value
$9,470,088
% of total 13F portfolios
0%
Share change
-400,448
Value change
-$4,123,345
Number of holders
9
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Perimeter Acquisition Corp. I - Class A Common Stock (PMTRU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Harraden Circle Investments, LLC 7.7% -13% $19,836,000 1,900,000 0% Harraden Circle Investments, LLC 30 Jun 2025
Linden Capital L.P. 6.1% 1,500,000 Linden Advisors LP 14 May 2025

As of 31 Dec 2025, 9 institutional investors reported holding 891,559 shares of Perimeter Acquisition Corp. I - Class A Common Stock (PMTRU). This represents 3.6% of the company’s total 24,804,178 outstanding shares.

Institutional Holders of Perimeter Acquisition Corp. I - Class A Common Stock (PMTRU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 891,559 $9,470,088 -$4,123,345 $10.60 9
2025 Q3 1,292,007 $13,365,323 -$50,559,330 $10.29 10
2025 Q2 6,156,693 $64,557,213 +$64,557,213 $10.55 25