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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

Key figures

Market capNo recent share count in SEC filings
–
Insider buysOpen market, last 90 days
0
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, +3 vs. previous quarter
38
13F valueReported value at the end of Q2 2026
$9.39M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in USD.

Revenue, Q2 FY2026
–
No comparable prior period

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
162
Shares sold short
Change
0
0.0% vs. previous
Days to cover
1.00
At average daily volume

Superinvestors holding PMTRW, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding PMTRW at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Perimeter Acquisition Corp. I insiders from Form 4, newest first.

No open-market purchases or sales by Perimeter Acquisition Corp. I insiders are on file.

Top 10 13F holders, Q2 2026

See all 38 holders

The largest institutional positions in Perimeter Acquisition Corp. I at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding PMTRW in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Harraden Circle Investments, LLC1,161,751$1.05M0.13%00.0%Unchanged
Linden Advisors LP850,000$786.2K0.00%00.0%Unchanged
Magnetar Financial LLC750,000$712.4K0.01%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund750,000$712.4K0.00%00.0%Unchanged
Alberta Investment Management Corp750,000$675.0K0.00%00.0%Unchanged
Toronto Dominion Bank615,000$553.5K0.00%−279,886−31.3%Reduced
Moore Capital Management, LP600,000$540.0K0.01%00.0%Unchanged
Lineage Point Capital LP573,611$516.3K0.11%+201,201+54.0%Added
Saba Capital Management, L.P.554,045$512.4K0.02%−800−0.1%Reduced
Walleye Capital LLC486,889$438.2K0.00%+82,100+20.3%Added