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 | $222.0M |
| 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 |
|---|---|---|---|---|---|
| Morgan Stanley | 47 | $490 | 0.00% | −22−31.9% | Reduced |
| UBS Group AG | 177 | $1.84K | 0.00% | −423−70.5% | Reduced |
| Rangeley Capital, LLC | 2,502 | $26.1K | 0.03% | +2,502 | New |
| BNP Paribas Arbitrage, SA | 11,320 | $117.8K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 13,792 | $143.6K | 0.00% | +2,852+26.1% | Added |
| Virtu Financial LLC | 14,485 | $151.0K | 0.00% | −24,902−63.2% | Reduced |
| FNY Investment Advisers, LLC | 15,110 | $157.0K | 0.06% | 00.0% | Unchanged |
| Clear Street Group Inc. | 19,341 | $201.5K | 0.00% | −4,600−19.2% | Reduced |
| CSS LLC | 19,791 | $206.2K | 0.01% | −28,444−59.0% | Reduced |
| SIH Partners, LLLP | 23,028 | $239.7K | 0.01% | −4,117−15.2% | Reduced |
| Parallax Volatility Advisers, L.P. | 25,000 | $260.3K | 0.01% | +25,000 | New |
| Walleye Capital LLC | 34,882 | $363.1K | 0.00% | 00.0% | Unchanged |
| Shay Capital LLC | 49,800 | $518.4K | 0.06% | +49,800 | New |
| Heights Capital Management, Inc | 58,925 | $613.4K | 0.14% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 76,566 | $796.3K | 0.00% | −53,426−41.1% | Reduced |
| StoneX Group Inc. | 79,594 | $821.8K | 0.03% | +30,273+61.4% | Added |
| Sona Asset Management (US) LLC | 82,991 | $864.8K | 0.03% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 98,304 | $1.02M | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 100,000 | $1.04M | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 105,347 | $1.10M | 0.02% | +105,347 | New |
| Readystate Asset Management LP | 139,414 | $1.45M | 0.06% | +2,888+2.1% | Added |
| Berkley W R Corp | 148,830 | $1.55M | 0.08% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 150,000 | $1.56M | 0.08% | 00.0% | Unchanged |
| Aristeia Capital LLC | 150,000 | $1.56M | 0.02% | 00.0% | Unchanged |
| Verition Fund Management LLC | 159,004 | $1.66M | 0.01% | +159,004 | New |
| Citigroup Inc | 160,000 | $1.67M | 0.00% | −21,946−12.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 160,385 | $1.67M | 0.01% | +20,385+14.6% | Added |
| DLD Asset Management, LP | 199,351 | $2.08M | 0.17% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 224,991 | $2.34M | 0.13% | −25,265−10.1% | Reduced |
| Context Capital Management, LLC | 250,000 | $2.60M | 0.05% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 252,751 | $2.63M | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 285,795 | $2.98M | 0.04% | +2,676+0.9% | Added |
| K2 Principal Fund, L.P. | 297,237 | $3.10M | 0.28% | 00.0% | Unchanged |
| Millennium Management LLC | 314,650 | $3.28M | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 325,000 | $3.38M | 0.03% | 00.0% | Unchanged |
| Periscope Capital Inc. | 327,836 | $3.42M | 0.54% | +4,733+1.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 350,000 | $3.64M | 0.01% | 00.0% | Unchanged |
| HBK Investments L P | 360,000 | $3.75M | 0.04% | 00.0% | Unchanged |
| Glazer Capital, LLC | 379,931 | $3.96M | 0.10% | 00.0% | Unchanged |
| Centiva Capital, LP | 409,442 | $4.26M | 0.14% | +71,442+21.1% | Added |
| 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 |
| Sculptor Capital LP | 500,000 | $5.21M | 0.05% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 521,525 | $5.43M | 0.41% | +182,991+54.1% | Added |
| Two Sigma Investments, LP | 537,309 | $5.60M | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 600,100 | $6.25M | 0.01% | −309,356−34.0% | Reduced |
| Saba Capital Management, L.P. | 649,940 | $6.77M | 0.21% | −154,938−19.2% | Reduced |
| Lineage Point Capital LP | 700,000 | $7.29M | 1.50% | −33,364−4.5% | Reduced |
| Meteora Capital, LLC | 905,419 | $9.43M | 0.78% | +207,217+29.7% | Added |
| Governors Lane LP | 1,116,900 | $11.6M | 1.17% | 00.0% | Unchanged |
| Moore Capital Management, LP | 1,200,000 | $12.5M | 0.28% | 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 |
| Fort Baker Capital Management LP | 1,573,684 | $16.4M | 1.30% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 2,440,298 | $25.4M | 3.24% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |