Perimeter Acquis Corp. I Class APMTR
13F holders, Q2 2026 (June 30)56holders +4
5new positions
1sold out
3famous investors
$10.42avg. 13F price*
At the end of Q2 2026, 56 institutions reported holding Perimeter Acquis Corp. I Class A (PMTR) in their 13F filings, up 4 from Q1 2026. 5 opened new positions and 1 sold out. The largest holders were Harraden Circle Investments, LLC ($25.4M), Fort Baker Capital Management LP ($16.4M) and Linden Advisors LP ($15.6M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Perimeter Acquis Corp. I Class A
- CUSIP
- G7010A129
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $3.6M |
| Exits | 1 | $82K |
All 13F filers, Q1 2026 → Q2 2026: 867,110 shares bought and 668,803 shares sold, net +198,307 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 56 holders
| Harraden Circle Investments, LLC | 3.58% | No change | 2,440,298 | $25.4M |
| Fort Baker Capital Management LP | 1.62% | No change | 1,573,684 | $16.4M |
| Linden Advisors LP | 0.69% | No change | 1,500,000 | $15.6M |
| Magnetar Financial LLC | 0.16% | No change | 1,500,000 | $15.6M |
| Alberta Investment Management Corp | 0.10% | No change | 1,500,000 | $15.6M |
| Moore Capital Management, LP | 0.30% | No change | 1,200,000 | $12.5M |
| Governors Lane LP | 1.17% | No change | 1,116,900 | $11.6M |
| Meteora Capital, LLC | 0.79% | Add +29.7% | 905,419 | $9.4M |
| Lineage Point Capital LP | 1.53% | Reduce -4.5% | 700,000 | $7.3M |
| Saba Capital Management, L.P. | 0.21% | Reduce -19.3% | 649,940 | $6.8M |
| Toronto Dominion Bank | 0.01% | Reduce -34.0% | 600,100 | $6.3M |
| Two Sigma Investments, LP | 0.00% | No change | 537,309 | $5.6M |
| Radcliffe Capital Management, L.P. | 0.56% | Add +54.0% | 521,525 | $5.4M |
| Sculptor Capital LP | 0.09% | No change | 500,000 | $5.2M |
| Ghisallo Capital Management LLC | 0.13% | No change | 500,000 | $5.2M |
| D. E. Shaw & Co. | 0.00% | No change | 500,000 | $5.2M |
| Centiva Capital, LP | 0.14% | Add +21.1% | 409,442 | $4.3M |
| Glazer Capital, LLC | 0.10% | No change | 379,931 | $4.0M |
| HBK Investments L P | 0.05% | No change | 360,000 | $3.8M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 350,000 | $3.6M |
| Periscope Capital Inc. | 0.57% | Add +1.5% | 327,836 | $3.4M |
| Picton Mahoney Asset Management | 0.03% | No change | 325,000 | $3.4M |
| Millennium Management | 0.00% | No change | 314,650 | $3.3M |
| K2 Principal Fund, L.P. | 0.80% | No change | 297,237 | $3.1M |
| AQR Arbitrage LLC | 0.05% | Add +0.9% | 285,795 | $3.0M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | No change | 252,751 | $2.6M |
| Context Capital Management, LLC | 0.54% | No change | 250,000 | $2.6M |
| Shaolin Capital Management LLC | 0.27% | Reduce -10.1% | 224,991 | $2.3M |
| DLD Asset Management, LP | 0.57% | No change | 199,351 | $2.1M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +14.6% | 160,385 | $1.7M |
| Citigroup Inc. | 0.00% | Reduce -12.1% | 160,000 | $1.7M |
| Verition Fund Management LLC | 0.01% | New | 159,004 | $1.7M |
| Aristeia Capital, L.L.C. | 0.06% | No change | 150,000 | $1.6M |
| Westchester Capital Management, LLC | 0.08% | No change | 150,000 | $1.6M |
| Berkley W R Corp. | 0.08% | No change | 148,830 | $1.5M |
| Readystate Asset Management LP | 0.10% | Add +2.1% | 139,414 | $1.5M |
| Boothbay Fund Management, LLC | 0.02% | New | 105,347 | $1.1M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.07% | No change | 100,000 | $1.0M |
| Goldman Sachs Group Inc. | 0.00% | No change | 98,304 | $1.0M |
| Sona Asset Management (us) LLC | 0.04% | No change | 82,991 | $865K |
| StoneX Group Inc. | 0.03% | Add +61.4% | 79,594 | $822K |
| JPMorgan Chase & Co. | 0.00% | Reduce -41.1% | 76,566 | $796K |
| Heights Capital Management, Inc. | 0.14% | No change | 58,925 | $613K |
| Shay Capital LLC | 0.06% | New | 49,800 | $518K |
| Walleye Capital LLC | 0.00% | No change | 34,882 | $363K |
| Parallax Volatility Advisers, L.P. | 0.01% | New | 25,000 | $260K |
| SIH Partners, LLLP | 0.01% | Reduce -15.2% | 23,028 | $240K |
| CSS LLC | 0.03% | Reduce -59.0% | 19,791 | $206K |
| Clear Street Group Inc. | 0.00% | Reduce -19.2% | 19,341 | $202K |
| FNY Investment Advisers, LLC | 0.06% | No change | 15,110 | $157K |
| Virtu Financial LLC | 0.00% | Reduce -63.2% | 14,485 | $151K |
| Citadel Advisors | 0.00% | Add +26.1% | 13,792 | $144K |
| BNP Paribas Financial Markets | 0.00% | No change | 11,320 | $118K |
| Rangeley Capital, LLC | 0.03% | New | 2,502 | $26K |
| UBS Group AG | 0.00% | Reduce -70.5% | 177 | $2K |
| Morgan Stanley | 0.00% | Reduce -31.9% | 47 | $490 |
"% of holder's portfolio" is PMTR's weight in each manager's 13F, not the share of Perimeter Acquis Corp. I Class A the manager owns.