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.
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
- 56
- +4 vs. Q1 2026
- Shares held
- 22.1M
- +198.3K (+0.9%) vs. Q1 2026
- Total value
- $230.4M
- +$5.56M (+2.5%) vs. Q1 2026
- New holders
- 5
- 9 more added
- Sold out
- 1
- 12 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PMTR 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 | 56 | $230.4M |
| Q1 2026 | 52 | $224.8M |
| Q4 2025 | 53 | $221.0M |
| Q3 2025 | 43 | $222.7M |
| Q2 2025 | 25 | $170.9M |
| 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 | 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 |
| Toronto Dominion Bank | 600,100 | $6.25M | 0.01% | −309,356−34.0% | Reduced |
| Two Sigma Investments, LP | 537,309 | $5.60M | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 521,525 | $5.43M | 0.41% | +182,991+54.1% | Added |
| Sculptor Capital LP | 500,000 | $5.21M | 0.05% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 500,000 | $5.21M | 0.00% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 500,000 | $5.21M | 0.10% | 00.0% | Unchanged |
| Centiva Capital, LP | 409,442 | $4.26M | 0.14% | +71,442+21.1% | Added |
| Glazer Capital, LLC | 379,931 | $3.96M | 0.10% | 00.0% | Unchanged |
| HBK Investments L P | 360,000 | $3.75M | 0.04% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 350,000 | $3.64M | 0.01% | 00.0% | Unchanged |
| Periscope Capital Inc. | 327,836 | $3.42M | 0.54% | +4,733+1.5% | Added |
| Picton Mahoney Asset Management | 325,000 | $3.38M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 314,650 | $3.28M | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 297,237 | $3.10M | 0.28% | 00.0% | Unchanged |
| CNH Partners LLC | 285,795 | $2.98M | 0.04% | +2,676+0.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 252,751 | $2.63M | 0.01% | 00.0% | Unchanged |
| Context Capital Management, LLC | 250,000 | $2.60M | 0.05% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 224,991 | $2.34M | 0.13% | −25,265−10.1% | Reduced |
| DLD Asset Management, LP | 199,351 | $2.08M | 0.17% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 160,385 | $1.67M | 0.01% | +20,385+14.6% | Added |
| Citigroup Inc | 160,000 | $1.67M | 0.00% | −21,946−12.1% | Reduced |
| Verition Fund Management LLC | 159,004 | $1.66M | 0.01% | +159,004 | New |
| Aristeia Capital LLC | 150,000 | $1.56M | 0.02% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 150,000 | $1.56M | 0.08% | 00.0% | Unchanged |
| Berkley W R Corp | 148,830 | $1.55M | 0.08% | 00.0% | Unchanged |
| Readystate Asset Management LP | 139,414 | $1.45M | 0.06% | +2,888+2.1% | Added |
| Boothbay Fund Management, LLC | 105,347 | $1.10M | 0.02% | +105,347 | New |
| Tenor Capital Management Co., L.P. | 100,000 | $1.04M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 98,304 | $1.02M | 0.00% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 82,991 | $864.8K | 0.03% | 00.0% | Unchanged |
| StoneX Group Inc. | 79,594 | $821.8K | 0.03% | +30,273+61.4% | Added |
| JPMorgan Chase & Co | 76,566 | $796.3K | 0.00% | −53,426−41.1% | Reduced |
| Heights Capital Management, Inc | 58,925 | $613.4K | 0.14% | 00.0% | Unchanged |
| Shay Capital LLC | 49,800 | $518.4K | 0.06% | +49,800 | New |
| Walleye Capital LLC | 34,882 | $363.1K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 25,000 | $260.3K | 0.01% | +25,000 | New |
| SIH Partners, LLLP | 23,028 | $239.7K | 0.01% | −4,117−15.2% | Reduced |
| CSS LLC | 19,791 | $206.2K | 0.01% | −28,444−59.0% | Reduced |
| Clear Street Group Inc. | 19,341 | $201.5K | 0.00% | −4,600−19.2% | Reduced |
| FNY Investment Advisers, LLC | 15,110 | $157.0K | 0.06% | 00.0% | Unchanged |
| Virtu Financial LLC | 14,485 | $151.0K | 0.00% | −24,902−63.2% | Reduced |
| Citadel Advisors LLC | 13,792 | $143.6K | 0.00% | +2,852+26.1% | Added |
| BNP Paribas Arbitrage, SA | 11,320 | $117.8K | 0.00% | 00.0% | Unchanged |
| Rangeley Capital, LLC | 2,502 | $26.1K | 0.02% | +2,502 | New |
| UBS Group AG | 177 | $1.84K | 0.00% | −423−70.5% | Reduced |
| Morgan Stanley | 47 | $490 | 0.00% | −22−31.9% | Reduced |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |