| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 9.3% | $23,649,119 | 2,300,498 | Harraden Circle Investments, LLC | 31 Dec 2025 | |||
| Magnetar Financial LLC | 6% | $15,195,000 | 1,500,000 | MAGNETAR FINANCIAL LLC | 30 Jun 2025 | |||
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1.8% | -64% | $4,626,000 | -$8,224,000 | 450,000 | -64% | Healthcare of Ontario Pension Plan Trust Fund | 31 Dec 2025 |
As of 31 Dec 2025, 53 institutional investors reported holding 21,841,797 shares of Perimeter Acquisition Corp. I - Class A Common Stock (PMTR). This represents 88% of the company’s total 24,789,849 outstanding shares.
The largest institutional shareholders of Perimeter Acquisition Corp. I - Class A Common Stock (PMTR) together control 76% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 9.3% | 2,300,498 | +21% | 4.3% | $23,649,119 |
| Linden Advisors LP | 6.1% | 1,500,000 | 0% | 0.09% | $15,420,000 |
| Magnetar Financial LLC | 6.1% | 1,500,000 | 0% | 0.15% | $15,420,000 |
| Alberta Investment Management Corp | 6.1% | 1,500,000 | 0% | 0.09% | $15,420,000 |
| MOORE CAPITAL MANAGEMENT, LP | 4.8% | 1,200,000 | 0% | 0.25% | $12,336,000 |
| Governors Lane LP | 4.5% | 1,116,900 | -4.3% | 1.1% | $11,481,732 |
| Saba Capital Management, L.P. | 4.3% | 1,055,870 | 0% | 0.36% | $10,854,344 |
| TORONTO DOMINION BANK | 4% | 995,000 | -18% | 0.02% | $10,228,600 |
| Lineage Point Capital LP | 3.5% | 875,977 | 0% | 2.9% | $9,005,044 |
| Fort Baker Capital Management LP | 3.2% | 800,000 | 0% | 0.91% | $8,224,000 |
| METEORA CAPITAL, LLC | 2.9% | 721,718 | -40% | 0.62% | $7,419,261 |
| TWO SIGMA INVESTMENTS, LP | 2.2% | 537,309 | 0% | 0.01% | $5,523,537 |
| Ghisallo Capital Management LLC | 2% | 500,000 | 0% | 0.23% | $5,140,000 |
| D. E. Shaw & Co., Inc. | 2% | 500,000 | 0% | 0% | $5,140,000 |
| Sculptor Capital LP | 2% | 500,000 | -24% | 0.06% | $5,140,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1.8% | 450,000 | -64% | 0.01% | $4,626,000 |
| HBK INVESTMENTS L P | 1.5% | 360,000 | -10% | 0.04% | $3,700,800 |
| Glazer Capital, LLC | 1.4% | 351,615 | -6.3% | 0.1% | $3,615,000 |
| Centiva Capital, LP | 1.4% | 338,000 | +35% | 0.21% | $3,474,640 |
| PICTON MAHONEY ASSET MANAGEMENT | 1.3% | 325,000 | 0% | 0.04% | $3,341,000 |
| Periscope Capital Inc. | 1.3% | 322,903 | -12% | 0.64% | $3,319,443 |
| AQR Arbitrage LLC | 1.2% | 301,692 | 0% | 0.07% | $3,101,394 |
| MILLENNIUM MANAGEMENT LLC | 1.2% | 297,721 | -0.09% | 0% | $3,060,572 |
| K2 PRINCIPAL FUND, L.P. | 1.2% | 297,237 | +20% | 0.58% | $3,055,596 |
| Radcliffe Capital Management, L.P. | 1.1% | 276,973 | +36% | 0.16% | $2,847,282 |