Perimeter Acquisition Corp. IPMTRU
13F holders, Q3 2025 (September 30)10holders −15
1new positions
1sold out
1famous investor
$10.34avg. 13F price*
At the end of Q3 2025, 10 institutions reported holding Perimeter Acquisition Corp. I (PMTRU) in their 13F filings, down 15 from Q2 2025. 1 opened new positions and 1 sold out. The largest holders were HGC Investment Management Inc. ($4.0M), LMR Partners LLP ($2.6M) and Westchester Capital Management, LLC ($1.6M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Perimeter Acquisition Corp. I
- CUSIP
- G7010A103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $1.5M |
| Exits | 1 | $1.0M |
All 13F filers, Q2 2025 → Q3 2025: 148,200 shares bought and 680,653 shares sold, net −532,453 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 10 holders
| HGC Investment Management Inc. | 0.98% | Reduce -8.9% | 388,400 | $4.0M |
| LMR Partners LLP | 0.05% | No change | 250,000 | $2.6M |
| Westchester Capital Management, LLC | 0.08% | No change | 150,000 | $1.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -30.8% | 150,000 | $1.6M |
| Millennium Management | 0.00% | Reduce -75.5% | 149,357 | $1.5M |
| Toronto Dominion Bank | 0.00% | New | 148,200 | $1.5M |
| Readystate Asset Management LP | 0.03% | Reduce -37.0% | 26,045 | $273K |
| Parallax Volatility Advisers, L.P. | 0.01% | No change | 15,478 | $159K |
| PenderFund Capital Management Ltd. | 0.04% | No change | 10,000 | $105K |
| Clear Street Group Inc. | 0.00% | — | 4,527 | $47K |
"% of holder's portfolio" is PMTRU's weight in each manager's 13F, not the share of Perimeter Acquisition Corp. I the manager owns.