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Perimeter Acquisition Corp. I

PMTRW
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002061473

No open-market purchases or sales by Perimeter Acquisition Corp. I insiders were filed in the last 90 days; 38 institutions reported holding it in 13F filings for Q2 2026, worth $9.39M in total; no superinvestor holds it.

Other share classesPMTRPMTRU

Q2 2025 vs. Q1 2025

How the institutions holding Perimeter Acquisition Corp. I changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of PMTRW: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders023+23
Shares08.15M+8.15M
Value$0$5.29M+$5.29M

New holders (23)

Institutions that held Perimeter Acquisition Corp. I at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to PMTRW in Q2 2025
InstitutionSharesValue% of portfolio
Harraden Circle Investments, LLC992,840$635.4K0.16%
Linden Advisors LP850,000$584.4K0.00%
Magnetar Financial LLC750,000$487.5K0.00%
Healthcare of Ontario Pension Plan Trust Fund750,000$487.5K0.00%
Alberta Investment Management Corp750,000$480.0K0.00%
Saba Capital Management, L.P.554,845$355.1K0.01%
Governors Lane LP452,528$289.6K0.04%
Fort Baker Capital Management LP399,999$256.0K0.04%
Lighthouse Investment Partners, LLC375,000$240.0K0.01%
Shaolin Capital Management LLC312,501$200.0K0.01%
Walleye Capital LLC286,054$183.1K0.00%
Toronto Dominion Bank268,661$171.9K0.00%
Sculptor Capital LP250,000$171.9K0.00%
Meteora Capital, LLC258,148$165.2K0.03%
D. E. Shaw & Co., Inc.250,000$162.5K0.00%
Glazer Capital, LLC198,600$127.0K0.00%
K2 Principal Fund, L.P.123,618$79.1K0.01%
Periscope Capital Inc.102,200$65.4K0.02%
Context Capital Management, LLC100,000$64.0K0.00%
Aristeia Capital LLC75,000$51.6K0.00%
Parallax Volatility Advisers, L.P.25,000$16.0K0.00%
Clear Street LLC24,172$15.5K0.00%
Highbridge Capital Management LLC–$3250.00%

Sold out (0)

Institutions that held Perimeter Acquisition Corp. I at the end of Q1 2025 and filed for Q2 2025 without it.

None.