Perimeter Acquisition Corp I
PMTR
53 hedge funds and large institutions have $221M invested in Perimeter Acquisition Corp I in 2025 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 9 increasing their positions, 14 reducing their positions, and 2 closing their positions.
500% more first-time investments, than exits
New positions opened: 12 | Existing positions closed: 2
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
23% more funds holding
Funds holding: 43 → 53 (+10)
0% less capital invested
Capital invested by funds: $222M → $221M (-$1.04M)
1.1% less ownership
Funds ownership: 87.82% → 86.72% (-1.1%)
36% less repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 14
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HCI
Harraden Circle Investments
New York
|
+$4.13M |
| 2 |
HIM
HGC Investment Management
Toronto,
Ontario, Canada
|
+$2.46M |
| 3 |
FLC
Fifth Lane Capital
Austin,
Texas
|
+$1.29M |
| 4 |
RAM
Readystate Asset Management
Chicago,
Illinois
|
+$969K |
| 5 |
CC
Centiva Capital
New York
|
+$908K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$8.25M |
| 2 |
MC
Meteora Capital
Boca Raton,
Florida
|
-$4.96M |
| 3 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
-$2.18M |
| 4 |
SC
Sculptor Capital
New York
|
-$1.65M |
| 5 |
SCM
Shaolin Capital Management
Miami,
Florida
|
-$1.16M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
RC
51
Rangeley Capital
New Canaan,
Connecticut
| $103K | +$103K | +10,000 | New |
|
|
PCM
52
PenderFund Capital Management
Vancouver,
British Columbia, Canada
| $82.2K | +$82.5K | +8,000 | New |
|
53
Morgan Stanley
New York
| $894 | +$165 | +16 | +23% |
|
|
WAM
54
Weiss Asset Management
Boston,
Massachusetts
| – | -$1.1M | -106,894 | Closed |
|
|
UOC
55
UBS O'Connor
Chicago,
Illinois
| – | -$1.02M | -100,000 | Closed |
|
PMTR Hedge Fund Activity: Q4 2025 in Review
53 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in Perimeter Acquisition Corp I (PMTR) for Q4 2025, worth a combined $221M — down 0.47% from $222M a quarter earlier.
Buyers outnumbered sellers: 12 funds opened new PMTR positions and 2 closed out — a net gain of 10 holders — while 9 added to existing stakes and 14 trimmed.
The largest buyer was Harraden Circle Investments, adding an estimated $4.13M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, cutting an estimated $8.25M.
- 53 institutional investors held Perimeter Acquisition Corp I (PMTR) as of Q4 2025, up from 43 in Q3 2025.
- Funds reported $221M of Perimeter Acquisition Corp I stock for Q4 2025, down 0.47% quarter-over-quarter.
- 12 funds opened new Perimeter Acquisition Corp I positions in Q4 2025 and 2 closed out, a net change of +10 holders.
- The largest Perimeter Acquisition Corp I buyer in Q4 2025 was Harraden Circle Investments, an estimated $4.13M added.
- The largest Perimeter Acquisition Corp I seller in Q4 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $8.25M sold.
Based on aggregated 13F filings for Q4 2025.