Perimeter Acquisition Corp I Unit
PMTRU
8 hedge funds and large institutions have $7.42M invested in Perimeter Acquisition Corp I Unit in 2026 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 1 closing their positions.
1.11% less ownership
Funds ownership: 4.95% → 3.84% (-1.1%)
11% less funds holding
Funds holding: 9 → 8 (-1)
22% less capital invested
Capital invested by funds: $9.47M → $7.42M (-$2.05M)
67% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 3
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CS
Clear Street
New York
|
+$543K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCMNY
Westchester Capital Management (New York)
Valhalla,
New York
|
-$1.6M |
| 2 |
JP Morgan Chase
New York
|
-$1.07M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$5.93K |
| 4 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
-$2.08K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
LP
1
LMR Partners
London,
United Kingdom
| $2.66M | – | – | – |
|
2
Millennium Management
New York
| $1.58M | – | – | – |
|
|
3
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
| $1.51M | -$2.08K | -194 | -0.1% |
|
|
CS
4
Clear Street
New York
| $634K | +$543K | +50,770 | +575% |
|
|
5
JP Morgan Chase
New York
| $547K | -$1.07M | -100,000 | -67% |
|
|
RAM
6
Readystate Asset Management
Chicago,
Illinois
| $285K | – | – | – |
|
7
Parallax Volatility Advisers
San Francisco,
California
| $205K | – | – | – |
|
|
8
UBS Group
Zurich,
Switzerland
| $996 | -$5.93K | -555 | -86% |
|
|
WCMNY
9
Westchester Capital Management (New York)
Valhalla,
New York
| – | -$1.6M | -150,000 | Closed |
|
PMTRU Hedge Fund Activity: Q1 2026 in Review
8 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Perimeter Acquisition Corp I Unit (PMTRU) for Q1 2026, worth a combined $7.42M — down 22% from $9.47M a quarter earlier.
Sellers outnumbered buyers: 1 fund closed out of PMTRU and 0 opened new positions — a net loss of 1 holder — while 3 trimmed existing stakes and 1 added.
The largest buyer was Clear Street, adding an estimated $543K. The largest seller was Westchester Capital Management (New York), exiting entirely with an estimated $1.6M sold.
- 8 institutional investors held Perimeter Acquisition Corp I Unit (PMTRU) as of Q1 2026, down from 9 in Q4 2025.
- Funds reported $7.42M of Perimeter Acquisition Corp I Unit stock for Q1 2026, down 22% quarter-over-quarter.
- 0 funds opened new Perimeter Acquisition Corp I Unit positions in Q1 2026 and 1 closed out, a net change of -1 holder.
- The largest Perimeter Acquisition Corp I Unit buyer in Q1 2026 was Clear Street, an estimated $543K added.
- The largest Perimeter Acquisition Corp I Unit seller in Q1 2026 was Westchester Capital Management (New York), an estimated $1.6M sold.
Based on aggregated 13F filings for Q1 2026.