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.
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
- $9.39M
- +$2.45M (+35.2%) 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 | $9.39M |
| Q1 2026 | 35 | $6.94M |
| 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 |
|---|---|---|---|---|---|
| UBS Group AG | 1,235 | $1.11K | 0.00% | +1,235 | New |
| SRS Capital Advisors, Inc. | 1,300 | $1.17K | 0.00% | +1,300 | New |
| Parallax Volatility Advisers, L.P. | 14,300 | $13.6K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 18,842 | $17.0K | 0.00% | +18,842 | New |
| Heights Capital Management, Inc | 29,462 | $28.0K | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 40,000 | $36.0K | 0.00% | −14,191−26.2% | Reduced |
| Wealthspring Capital LLC | 46,950 | $42.3K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 49,152 | $44.2K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 50,000 | $45.0K | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 56,300 | $52.1K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 60,000 | $54.0K | 0.00% | −13,064−17.9% | Reduced |
| Aristeia Capital LLC | 75,000 | $69.4K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 74,998 | $71.2K | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 100,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 100,000 | $95.0K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 116,818 | $105.1K | 0.01% | 00.0% | Unchanged |
| DLD Asset Management, LP | 132,764 | $119.5K | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 148,557 | $121.1K | 0.00% | +1,338+0.9% | Added |
| Periscope Capital Inc. | 165,100 | $148.6K | 0.02% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 162,500 | $154.3K | 0.00% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 194,200 | $174.8K | 0.03% | 00.0% | Unchanged |
| HBK Investments L P | 200,000 | $180.0K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 200,197 | $190.1K | 0.01% | +200,197 | New |
| Shaolin Capital Management LLC | 259,231 | $233.3K | 0.01% | −33,331−11.4% | Reduced |
| D. E. Shaw & Co., Inc. | 250,000 | $237.4K | 0.00% | 00.0% | Unchanged |
| Fort Baker Capital Management LP | 266,149 | $239.5K | 0.02% | 00.0% | Unchanged |
| Governors Lane LP | 373,679 | $336.3K | 0.03% | −3,849−1.0% | Reduced |
| Walleye Capital LLC | 486,889 | $438.2K | 0.00% | +82,100+20.3% | Added |
| Saba Capital Management, L.P. | 554,045 | $512.4K | 0.02% | −800−0.1% | Reduced |
| Lineage Point Capital LP | 573,611 | $516.3K | 0.11% | +201,201+54.0% | Added |
| Moore Capital Management, LP | 600,000 | $540.0K | 0.01% | 00.0% | Unchanged |
| Toronto Dominion Bank | 615,000 | $553.5K | 0.00% | −279,886−31.3% | Reduced |
| Alberta Investment Management Corp | 750,000 | $675.0K | 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 |
| Linden Advisors LP | 850,000 | $786.2K | 0.00% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 1,161,751 | $1.05M | 0.13% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 11,276 | – | – | −2,456−17.9% | Reduced |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −299,600−100.0% | Sold out |