PERIMETER ACQUISITION CORP I (PMTRW)
Institutional ownership reported to the SEC as of Q2 2026, across 5 quarters.
39
Reporting holders
$9.7M
Reported value
2.7%
Held as options
+3
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | $1.0M | 1,161,751 | 0.13% | 5q | HELD |
| Linden Advisors LP | $786.2K | 850,000 | 0.00% | 5q | HELD |
| Magnetar Financial LLC | $712.4K | 750,000 | 0.01% | 5q | HELD |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $712.4K | 750,000 | 0.00% | 5q | HELD |
| Alberta Investment Management Corp | $675.0K | 750,000 | 0.00% | 5q | HELD |
| TORONTO DOMINION BANK | $553.5K | 615,000 | 0.00% | 5q | -31.3%-$251.9K |
| MOORE CAPITAL MANAGEMENT, LP | $540.0K | 600,000 | 0.01% | 4q | HELD |
| Lineage Point Capital LP | $516.2K | 573,611 | 0.11% | 3q | +54.0%+$181.1K |
| Saba Capital Management, L.P. | $512.4K | 554,045 | 0.01% | 5q | HELD |
| Walleye Capital LLC | $438.2K | 486,889 | 0.00% | 5q | +20.3%+$73.9K |
| Governors Lane LP | $336.3K | 373,679 | 0.03% | 5q | -1.0%-$3.5K |
| Fort Baker Capital Management LP | $239.5K | 266,149 | 0.02% | 5q | HELD |
| D. E. Shaw & Co., Inc. | $237.4K | 250,000 | 0.00% | 5q | HELD |
| Shaolin Capital Management LLC | $233.3K | 259,231 | 0.01% | 5q | -11.4%-$30.0K |
| MILLENNIUM MANAGEMENT LLC | $217.4K | options only | 0.00% | 5q | OPTIONS |
| Centiva Capital, LP | $190.1K | 200,197 | 0.00% | new | NEW |
| HBK INVESTMENTS L P | $180.0K | 200,000 | 0.00% | 4q | HELD |
| HGC Investment Management Inc. | $174.8K | 194,200 | 0.03% | 3q | HELD |
| PICTON MAHONEY ASSET MANAGEMENT | $154.3K | 162,500 | 0.00% | 4q | HELD |
| Periscope Capital Inc. | $148.6K | 165,100 | 0.01% | 5q | HELD |
| AQR Arbitrage LLC | $121.1K | 148,557 | 0.00% | 4q | +0.9%+$1.1K |
| DLD Asset Management, LP | $119.5K | 132,764 | 0.01% | 4q | HELD |
| BOOTHBAY FUND MANAGEMENT, LLC | $117.5K | 11,276 | 0.00% | 2q | -17.9%-$25.6K |
| K2 PRINCIPAL FUND, L.P. | $105.1K | 116,818 | 0.01% | 5q | HELD |
| Hudson Bay Capital Management LP | $95.0K | 100,000 | 0.00% | 4q | HELD |
| Context Capital Management, LLC | $90.0K | 100,000 | 0.00% | 5q | HELD |
| Westchester Capital Management, LLC | $71.2K | 74,998 | 0.00% | 2q | HELD |
| ARISTEIA CAPITAL, L.L.C. | $69.4K | 75,000 | 0.00% | 5q | HELD |
| Meteora Capital, LLC | $54.0K | 60,000 | 0.00% | 5q | -17.9%-$11.8K |
| Radcliffe Capital Management, L.P. | $52.1K | 56,300 | 0.00% | 4q | HELD |
| CITIGROUP INC | $47.5K | options only | 0.00% | 4q | OPTIONS |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $45.0K | 50,000 | 0.00% | 4q | HELD |
| BNP PARIBAS FINANCIAL MARKETS | $44.2K | 49,152 | 0.00% | 4q | HELD |
| Wealthspring Capital LLC | $42.3K | 46,950 | 0.01% | 4q | HELD |
| Schonfeld Strategic Advisors LLC | $36.0K | 40,000 | 0.00% | 4q | -26.2%-$12.8K |
| HEIGHTS CAPITAL MANAGEMENT, INC | $28.0K | 29,462 | 0.01% | 4q | HELD |
| Alpine Global Management, LLC | $17.0K | 18,842 | 0.00% | new | NEW |
| Parallax Volatility Advisers, L.P. | $13.6K | 14,300 | 0.00% | 5q | HELD |
| Arax Advisory Partners | $1.2K | 1,300 | 0.00% | new | NEW |
| UBS Group AG | $1.1K | 1,235 | 0.00% | new | NEW |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 39 | $9.7M | 10,278,030 | 4 | 3 | 5 | 2.7% |
| Q1 2026 | 36 | $7.1M | 10,416,538 | 1 | 2 | 9 | 2.7% |
| Q4 2025 | 37 | $7.7M | 10,477,829 | 1 | 3 | 7 | 1.7% |
| Q3 2025 | 38 | $6.3M | 9,841,656 | 16 | 5 | 2 | 6.2% |
| Q2 2025 | 23 | $5.4M | 7,951,066 | 23 | 0 | 0 | 3.6% |