Who Owns PERIMETER ACQUISITION CORP I (PMTR)? -- Institutional Holders (2026-06-30)
57 institutions reported holding $230.4M of PERIMETER ACQUISITION CORP I (PMTR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Harraden Circle Investments, LLC ($25.4M), Fort Baker Capital Management LP ($16.4M), Linden Advisors LP ($15.6M), Alberta Investment Management Corp ($15.6M), Magnetar Financial LLC ($15.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Harraden Circle Investments, LLC | $25.4M | 2.4M | Hold |
| 2 | Fort Baker Capital Management LP | $16.4M | 1.6M | Hold |
| 3 | Linden Advisors LP | $15.6M | 1.5M | Hold |
| 4 | Alberta Investment Management Corp | $15.6M | 1.5M | Hold |
| 5 | Magnetar Financial LLC | $15.6M | 1.5M | Hold |
| 6 | MOORE CAPITAL MANAGEMENT, LP | $12.5M | 1.2M | Hold |
| 7 | Governors Lane LP | $11.6M | 1.1M | Hold |
| 8 | METEORA CAPITAL, LLC | $9.4M | 905,419 | Added |
| 9 | Lineage Point Capital LP | $7.3M | 700,000 | Trimmed |
| 10 | Saba Capital Management, L.P. | $6.8M | 649,940 | Trimmed |
| 11 | TORONTO DOMINION BANK | $6.3M | 600,100 | Trimmed |
| 12 | TWO SIGMA INVESTMENTS, LP | $5.6M | 537,309 | Hold |
| 13 | Radcliffe Capital Management, L.P. | $5.4M | 521,525 | Added |
| 14 | Sculptor Capital LP | $5.2M | 500,000 | Hold |
| 15 | Ghisallo Capital Management LLC | $5.2M | 500,000 | Hold |
| 16 | D. E. Shaw & Co., Inc. | $5.2M | 500,000 | Hold |
| 17 | Centiva Capital, LP | $4.3M | 409,442 | Added |
| 18 | GLAZER CAPITAL, LLC | $4.0M | 379,931 | Hold |
| 19 | HBK INVESTMENTS L P | $3.8M | 360,000 | Hold |
| 20 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $3.6M | 350,000 | Hold |
| 21 | Periscope Capital Inc. | $3.4M | 327,836 | Added |
| 22 | PICTON MAHONEY ASSET MANAGEMENT | $3.4M | 325,000 | Hold |
| 23 | MILLENNIUM MANAGEMENT LLC | $3.3M | 314,650 | Hold |
| 24 | K2 PRINCIPAL FUND, L.P. | $3.1M | 297,237 | Hold |
| 25 | AQR Arbitrage LLC | $3.0M | 285,795 | Added |
Source: SEC Form 13F filings · as of 2026-06-30