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 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
- 23
- +23 vs. Q1 2025
- Shares held
- 8.15M
- +8.15M vs. Q1 2025
- Total value
- $5.29M
- +$5.29M vs. Q1 2025
- New holders
- 23
- 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 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 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 |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 992,840 | $635.4K | 0.16% | +992,840 | New |
| Linden Advisors LP | 850,000 | $584.4K | 0.00% | +850,000 | New |
| Magnetar Financial LLC | 750,000 | $487.5K | 0.00% | +750,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 750,000 | $487.5K | 0.00% | +750,000 | New |
| Alberta Investment Management Corp | 750,000 | $480.0K | 0.00% | +750,000 | New |
| Saba Capital Management, L.P. | 554,845 | $355.1K | 0.01% | +554,845 | New |
| Governors Lane LP | 452,528 | $289.6K | 0.04% | +452,528 | New |
| Fort Baker Capital Management LP | 399,999 | $256.0K | 0.04% | +399,999 | New |
| Lighthouse Investment Partners, LLC | 375,000 | $240.0K | 0.01% | +375,000 | New |
| Shaolin Capital Management LLC | 312,501 | $200.0K | 0.01% | +312,501 | New |
| Walleye Capital LLC | 286,054 | $183.1K | 0.00% | +286,054 | New |
| Toronto Dominion Bank | 268,661 | $171.9K | 0.00% | +268,661 | New |
| Sculptor Capital LP | 250,000 | $171.9K | 0.00% | +250,000 | New |
| Meteora Capital, LLC | 258,148 | $165.2K | 0.03% | +258,148 | New |
| D. E. Shaw & Co., Inc. | 250,000 | $162.5K | 0.00% | +250,000 | New |
| Glazer Capital, LLC | 198,600 | $127.0K | 0.00% | +198,600 | New |
| K2 Principal Fund, L.P. | 123,618 | $79.1K | 0.01% | +123,618 | New |
| Periscope Capital Inc. | 102,200 | $65.4K | 0.02% | +102,200 | New |
| Context Capital Management, LLC | 100,000 | $64.0K | 0.00% | +100,000 | New |
| Aristeia Capital LLC | 75,000 | $51.6K | 0.00% | +75,000 | New |
| Parallax Volatility Advisers, L.P. | 25,000 | $16.0K | 0.00% | +25,000 | New |
| Clear Street LLC | 24,172 | $15.5K | 0.00% | +24,172 | New |
| Highbridge Capital Management LLC | – | $325 | 0.00% | – | New |