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.
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, +4 vs. previous quarter
- 56
- 13F valueReported value at the end of Q2 2026
- $230.4M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, Q2 FY2026
- –
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 11
- Shares sold short
- Change
- −205
- −94.9% vs. previous
- Days to cover
- 1.00
- At average daily volume
Superinvestors holding PMTR, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding PMTR at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-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 56 holdersThe largest institutional positions in Perimeter Acquisition Corp. I at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 2,440,298 | $25.4M | 3.24% | 00.0% | Unchanged |
| Fort Baker Capital Management LP | 1,573,684 | $16.4M | 1.30% | 00.0% | Unchanged |
| Linden Advisors LP | 1,500,000 | $15.6M | 0.08% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,500,000 | $15.6M | 0.14% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,500,000 | $15.6M | 0.09% | 00.0% | Unchanged |
| Moore Capital Management, LP | 1,200,000 | $12.5M | 0.28% | 00.0% | Unchanged |
| Governors Lane LP | 1,116,900 | $11.6M | 1.17% | 00.0% | Unchanged |
| Meteora Capital, LLC | 905,419 | $9.43M | 0.78% | +207,217+29.7% | Added |
| Lineage Point Capital LP | 700,000 | $7.29M | 1.50% | −33,364−4.5% | Reduced |
| Saba Capital Management, L.P. | 649,940 | $6.77M | 0.21% | −154,938−19.2% | Reduced |
Holders of 5% or more of PMTR
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Perimeter Acquisition Corp. I.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 13G/A | 9.85%2.44M shares | +0.57 ppfrom 9.28% | Feb 13, 20262 filings | Aug 14, 2026 | SEC |
| Fort Baker Capital Management LP | 13G | 6.30%1.57M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Alberta Investment Management Corp | 13G | 6.10%1.50M shares | New | May 19, 20251 filing | May 19, 2025 | SEC |
| Magnetar Financial LLC | 13G | 6.05%1.50M shares | New | Aug 8, 20251 filing | Aug 8, 2025 | SEC |