# PERIMETER ACQUISITION CORP I (PMTRU)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/PMTRU/

- Reporting holders: 8
- Reported value: $7.5M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $2.7M | 250,000 | 0.0% | 5 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $1.6M | 148,857 | 0.0% | 5 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $1.5M | 135,905 | 0.0% | 4 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $752.5K | 69,809 | 0.0% | 4 |
| [JPMORGAN CHASE & CO](https://holderbook.com/funds/19617-jpmorgan-chase-co/) | $540.0K | 50,000 | 0.0% | 5 |
| [READYSTATE ASSET MANAGEMENT LP](https://holderbook.com/funds/1900923-readystate-asset-management-lp/) | $281.3K | 26,045 | 0.0% | 5 |
| [Parallax Volatility Advisers, L.P.](https://holderbook.com/funds/1521001-parallax-volatility-advisers-l-p/) | $172.3K | 15,478 | 0.0% | 5 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.4K | 126 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 8 | $7.5M |
| Q1 2026 | 8 | $7.4M |
| Q4 2025 | 9 | $9.5M |
| Q3 2025 | 10 | $14.9M |
| Q2 2025 | 25 | $64.6M |