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Perimeter Acquisition Corp. I

PMTRU
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; 8 institutions reported holding it in 13F filings for Q2 2026, worth $7.51M in total; no superinvestor holds it.

Other share classesPMTRPMTRW

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 PMTRU: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders025+25
Shares06.16M+6.16M
Value$0$64.6M+$64.6M

New holders (25)

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

Institutions new to PMTRU in Q2 2025
InstitutionSharesValue% of portfolio
Moore Capital Management, LP1,200,000$12.6M0.25%
Millennium Management LLC610,000$6.44M0.01%
Ghisallo Capital Management LLC500,000$5.24M0.14%
HGC Investment Management Inc.426,400$4.50M1.25%
HBK Investments L P400,000$4.22M0.07%
CNH Partners LLC400,000$4.19M0.10%
Picton Mahoney Asset Management325,000$3.43M0.05%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys300,000$3.00M0.02%
LMR Partners LLP250,000$2.64M0.04%
Schonfeld Strategic Advisors LLC250,000$2.64M0.02%
JPMorgan Chase & Co216,680$2.27M0.00%
DLD Asset Management, LP199,150$2.10M0.25%
Citigroup Inc200,000$2.09M0.00%
Westchester Capital Management, LLC150,000$1.57M0.09%
Periscope Capital Inc.125,800$1.33M0.50%
Radcliffe Capital Management, L.P.112,600$1.19M0.09%
Tenor Capital Management Co., L.P.100,000$1.05M0.01%
Bluefin Capital Management, LLC100,000$1.05M0.81%
Wealthspring Capital LLC97,900$1.03M0.27%
Heights Capital Management, Inc71,307$746.6K0.23%
CSS LLC50,000$527.5K0.03%
Readystate Asset Management LP41,375$433.2K0.02%
Parallax Volatility Advisers, L.P.15,478$163.3K0.01%
PenderFund Capital Management Ltd.10,000$104.7K0.02%
Clear Street LLC5,003$52.8K0.00%

Sold out (0)

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

None.