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 $9.51M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Perimeter Acquisition Corp. I as of Jun 30, 2026. 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
- 38
- +3 vs. Q1 2026
- Shares held
- 10.3M
- −141.0K (−1.4%) vs. Q1 2026
- Total value
- $9.51M
- +$2.42M (+34.2%) vs. Q1 2026
- New holders
- 4
- 3 more added
- Sold out
- 1
- 7 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PMTRW 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 | 38 | $9.51M |
| Q1 2026 | 35 | $7.09M |
| Q4 2025 | 35 | $7.59M |
| Q3 2025 | 37 | $6.06M |
| Q2 2025 | 23 | $5.29M |
| 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 2026
Shares, value and share of portfolio for each institution holding Perimeter Acquisition Corp. I; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 1,161,751 | $1.05M | 0.13% | 00.0% | Unchanged |
| Linden Advisors LP | 850,000 | $786.2K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 750,000 | $712.4K | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 750,000 | $712.4K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 750,000 | $675.0K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 615,000 | $553.5K | 0.00% | −279,886−31.3% | Reduced |
| Moore Capital Management, LP | 600,000 | $540.0K | 0.01% | 00.0% | Unchanged |
| Lineage Point Capital LP | 573,611 | $516.3K | 0.11% | +201,201+54.0% | Added |
| Saba Capital Management, L.P. | 554,045 | $512.4K | 0.02% | −800−0.1% | Reduced |
| Walleye Capital LLC | 486,889 | $438.2K | 0.00% | +82,100+20.3% | Added |
| Governors Lane LP | 373,679 | $336.3K | 0.03% | −3,849−1.0% | Reduced |
| Fort Baker Capital Management LP | 266,149 | $239.5K | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 250,000 | $237.4K | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 259,231 | $233.3K | 0.01% | −33,331−11.4% | Reduced |
| Centiva Capital, LP | 200,197 | $190.1K | 0.01% | +200,197 | New |
| HBK Investments L P | 200,000 | $180.0K | 0.00% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 194,200 | $174.8K | 0.03% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 162,500 | $154.3K | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 165,100 | $148.6K | 0.02% | 00.0% | Unchanged |
| CNH Partners LLC | 148,557 | $121.1K | 0.00% | +1,338+0.9% | Added |
| DLD Asset Management, LP | 132,764 | $119.5K | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 11,276 | $117.5K | 0.00% | −2,456−17.9% | Reduced |
| K2 Principal Fund, L.P. | 116,818 | $105.1K | 0.01% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 100,000 | $95.0K | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 100,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 74,998 | $71.2K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 75,000 | $69.4K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 60,000 | $54.0K | 0.00% | −13,064−17.9% | Reduced |
| Radcliffe Capital Management, L.P. | 56,300 | $52.1K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 50,000 | $45.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 49,152 | $44.2K | 0.00% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 46,950 | $42.3K | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 40,000 | $36.0K | 0.00% | −14,191−26.2% | Reduced |
| Heights Capital Management, Inc | 29,462 | $28.0K | 0.01% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 18,842 | $17.0K | 0.00% | +18,842 | New |
| Parallax Volatility Advisers, L.P. | 14,300 | $13.6K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,300 | $1.17K | 0.00% | +1,300 | New |
| UBS Group AG | 1,235 | $1.11K | 0.00% | +1,235 | New |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −299,600−100.0% | Sold out |