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Perimeter Acquisition Corp. I

PMTR
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; 56 institutions reported holding it in 13F filings for Q2 2026, worth $230.4M in total; no superinvestor holds it.

Other share classesPMTRUPMTRW

Q2 2026 vs. Q1 2026

How the institutions holding Perimeter Acquisition Corp. I changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of PMTR: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders5256+4
Shares21.9M22.1M+198.3K (+0.9%)
Value$224.8M$230.4M+$5.56M (+2.5%)

New holders (5)

Institutions that held Perimeter Acquisition Corp. I at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to PMTR in Q2 2026
InstitutionSharesValue% of portfolio
Verition Fund Management LLC159,004$1.66M0.01%
Boothbay Fund Management, LLC105,347$1.10M0.02%
Shay Capital LLC49,800$518.4K0.06%
Parallax Volatility Advisers, L.P.25,000$260.3K0.01%
Rangeley Capital, LLC2,502$26.1K0.03%

Sold out (1)

Institutions that held Perimeter Acquisition Corp. I at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of PMTR in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
PenderFund Capital Management Ltd.8,000$82.0K