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.
13F holders, Q2 2025
Institutional positions in Perimeter Acquisition Corp. I as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 25
- +25 vs. Q1 2025
- Shares held
- 6.16M
- +6.16M vs. Q1 2025
- Total value
- $64.6M
- +$64.6M vs. Q1 2025
- New holders
- 25
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PMTRU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 8 | $7.51M |
| Q1 2026 | 8 | $7.42M |
| Q4 2025 | 9 | $9.47M |
| Q3 2025 | 10 | $13.4M |
| Q2 2025 | 25 | $64.6M |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Perimeter Acquisition Corp. I; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clear Street LLC | 5,003 | $52.8K | 0.00% | +5,003 | New |
| PenderFund Capital Management Ltd. | 10,000 | $104.7K | 0.02% | +10,000 | New |
| Parallax Volatility Advisers, L.P. | 15,478 | $163.3K | 0.01% | +15,478 | New |
| Readystate Asset Management LP | 41,375 | $433.2K | 0.02% | +41,375 | New |
| CSS LLC | 50,000 | $527.5K | 0.03% | +50,000 | New |
| Heights Capital Management, Inc | 71,307 | $746.6K | 0.23% | +71,307 | New |
| Wealthspring Capital LLC | 97,900 | $1.03M | 0.27% | +97,900 | New |
| Bluefin Capital Management, LLC | 100,000 | $1.05M | 0.81% | +100,000 | New |
| Tenor Capital Management Co., L.P. | 100,000 | $1.05M | 0.01% | +100,000 | New |
| Radcliffe Capital Management, L.P. | 112,600 | $1.19M | 0.09% | +112,600 | New |
| Periscope Capital Inc. | 125,800 | $1.33M | 0.50% | +125,800 | New |
| Westchester Capital Management, LLC | 150,000 | $1.57M | 0.09% | +150,000 | New |
| Citigroup Inc | 200,000 | $2.09M | 0.00% | +200,000 | New |
| DLD Asset Management, LP | 199,150 | $2.10M | 0.25% | +199,150 | New |
| JPMorgan Chase & Co | 216,680 | $2.27M | 0.00% | +216,680 | New |
| LMR Partners LLP | 250,000 | $2.64M | 0.04% | +250,000 | New |
| Schonfeld Strategic Advisors LLC | 250,000 | $2.64M | 0.02% | +250,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 300,000 | $3.00M | 0.02% | +300,000 | New |
| Picton Mahoney Asset Management | 325,000 | $3.43M | 0.05% | +325,000 | New |
| CNH Partners LLC | 400,000 | $4.19M | 0.10% | +400,000 | New |
| HBK Investments L P | 400,000 | $4.22M | 0.07% | +400,000 | New |
| HGC Investment Management Inc. | 426,400 | $4.50M | 1.25% | +426,400 | New |
| Ghisallo Capital Management LLC | 500,000 | $5.24M | 0.14% | +500,000 | New |
| Millennium Management LLC | 610,000 | $6.44M | 0.01% | +610,000 | New |
| Moore Capital Management, LP | 1,200,000 | $12.6M | 0.25% | +1,200,000 | New |