Who owns Perimeter Acquisition Corp. I?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PMTRW from SEC Form 13F filings across 38 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 38 institutions disclosed 10.3M shares of Perimeter Acquisition Corp. I worth $9.5M — about 24.9% of shares outstanding; the largest disclosed holder is Harraden Circle Investments, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
38
13F holders
$9.5M
value, 2026 filers
24.9%
of shares outstanding (10.3M sh)
4
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PMTRW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | 1.2M | $1.0M | 0.1% | 2.8% | 0.0% |
| 2 | Linden Advisors LP | 850,000 | $786,165 | 0.0% | 2.1% | 0.0% |
| 3 | Magnetar Financial LLC | 750,000 | $712,350 | 0.0% | 1.8% | 0.0% |
| 4 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 750,000 | $712,350 | 0.0% | 1.8% | 0.0% |
| 5 | Alberta Investment Management Corp | 750,000 | $675,000 | 0.0% | 1.8% | 0.0% |
| 6 | TORONTO DOMINION BANK | 615,000 | $553,500 | 0.0% | 1.5% | -31.3% |
| 7 | MOORE CAPITAL MANAGEMENT, LP | 600,000 | $540,000 | 0.0% | 1.5% | 0.0% |
| 8 | Lineage Point Capital LP | 573,611 | $516,250 | 0.1% | 1.4% | +54.0% |
| 9 | Saba Capital Management, L.P. | 554,045 | $512,436 | 0.0% | 1.3% | -0.1% |
| 10 | Walleye Capital LLC | 486,889 | $438,200 | 0.0% | 1.2% | +20.3% |
| 11 | Governors Lane LP | 373,679 | $336,311 | 0.0% | 0.9% | -1.0% |
| 12 | Fort Baker Capital Management LP | 266,149 | $239,533 | 0.0% | 0.6% | 0.0% |
| 13 | Shaolin Capital Management LLC | 259,231 | $233,308 | 0.0% | 0.6% | -11.4% |
| 14 | D. E. Shaw & Co., Inc. | 250,000 | $237,450 | 0.0% | 0.6% | 0.0% |
| 15 | Centiva Capital, LPNEW | 200,197 | $190,147 | 0.0% | 0.5% | new |
| 16 | HBK INVESTMENTS L P | 200,000 | $180,000 | 0.0% | 0.5% | 0.0% |
| 17 | HGC Investment Management Inc. | 194,200 | $174,780 | 0.0% | 0.5% | 0.0% |
| 18 | Periscope Capital Inc. | 165,100 | $148,590 | 0.0% | 0.4% | 0.0% |
| 19 | PICTON MAHONEY ASSET MANAGEMENT | 162,500 | $154,343 | 0.0% | 0.4% | 0.0% |
| 20 | AQR Arbitrage LLC | 148,557 | $121,074 | 0.0% | 0.4% | +0.9% |
| 21 | DLD Asset Management, LP | 132,764 | $119,488 | 0.0% | 0.3% | 0.0% |
| 22 | K2 PRINCIPAL FUND, L.P. | 116,818 | $105,136 | 0.0% | 0.3% | 0.0% |
| 23 | Context Capital Management, LLC | 100,000 | $90,000 | 0.0% | 0.2% | 0.0% |
| 24 | Hudson Bay Capital Management LP | 100,000 | $94,980 | 0.0% | 0.2% | 0.0% |
| 25 | ARISTEIA CAPITAL, L.L.C. | 75,000 | $69,368 | 0.0% | 0.2% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.