Who Owns PERIMETER ACQUISITION CORP I (PMTRW)? -- Institutional Holders (2026-06-30)
41 institutions reported holding $9.8M of PERIMETER ACQUISITION CORP I (PMTRW) in SEC 13F filings for 2026-06-30. Largest institutional holders: Harraden Circle Investments, LLC ($1.0M), Linden Advisors LP ($786,165), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($712,350), Magnetar Financial LLC ($712,350), Alberta Investment Management Corp ($675,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Harraden Circle Investments, LLC | $1.0M | 1.2M | Hold |
| 2 | Linden Advisors LP | $786,165 | 850,000 | Hold |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $712,350 | 750,000 | Hold |
| 4 | Magnetar Financial LLC | $712,350 | 750,000 | Hold |
| 5 | Alberta Investment Management Corp | $675,000 | 750,000 | Hold |
| 6 | TORONTO DOMINION BANK | $553,500 | 615,000 | Trimmed |
| 7 | MOORE CAPITAL MANAGEMENT, LP | $540,000 | 600,000 | Hold |
| 8 | Lineage Point Capital LP | $516,250 | 573,611 | Added |
| 9 | Saba Capital Management, L.P. | $512,436 | 554,045 | Trimmed |
| 10 | Walleye Capital LLC | $438,200 | 486,889 | Added |
| 11 | Governors Lane LP | $336,311 | 373,679 | Trimmed |
| 12 | Fort Baker Capital Management LP | $239,533 | 266,149 | Hold |
| 13 | D. E. Shaw & Co., Inc. | $237,450 | 250,000 | Hold |
| 14 | Shaolin Capital Management LLC | $233,308 | 259,231 | Trimmed |
| 15 | MILLENNIUM MANAGEMENT LLC | $217,437 | 241,597 | Added |
| 16 | Centiva Capital, LP | $190,147 | 200,197 | New |
| 17 | HBK INVESTMENTS L P | $180,000 | 200,000 | Hold |
| 18 | HGC Investment Management Inc. | $174,780 | 194,200 | Hold |
| 19 | PICTON MAHONEY ASSET MANAGEMENT | $154,343 | 162,500 | Hold |
| 20 | Periscope Capital Inc. | $148,590 | 165,100 | Hold |
| 21 | AQR Arbitrage LLC | $121,074 | 148,557 | Added |
| 22 | DLD Asset Management, LP | $119,488 | 132,764 | Hold |
| 23 | BOOTHBAY FUND MANAGEMENT, LLC | $117,496 | 11,276 | Trimmed |
| 24 | K2 PRINCIPAL FUND, L.P. | $105,136 | 116,818 | Hold |
| 25 | Hudson Bay Capital Management LP | $94,980 | 100,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30