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PMTR

Perimeter Acquisition Corp I
PMTR

52 hedge funds and large institutions have $225M invested in Perimeter Acquisition Corp I in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 10 increasing their positions, 11 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.72% more ownership

Funds ownership: 86.72% → 88.44% (+1.7%)

2% more capital invested

Capital invested by funds: $221M → $225M (+$3.87M)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

9% less repeat investments, than reductions

Existing positions increased: 10 | Existing positions reduced: 11

2% less funds holding

Funds holding: 53 → 52 (-1)

13% less first-time investments, than exits

New positions opened: 7 | Existing positions closed: 8

Holders
52
Holders Change
-1
Holders Change %
-1.89%
% of All Funds
0.64%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
7
Increased
10
Reduced
11
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
FBCM
Fort Baker Capital Management
California
+$8M
2
LPC
Lineage Point Capital
Florida
+$2.09M
3
WCMNY
Westchester Capital Management (New York)
New York
+$1.55M
4
HCI
Harraden Circle Investments
New York
+$1.45M
5
SAMU
SONA Asset Management (US)
New York
+$859K

Top Sellers

Rank Fund Capital Flow
1
SCM
Saba Capital Management
New York
-$2.6M
2
HIM
HGC Investment Management
Ontario, Canada
-$2.45M
3
FLC
Fifth Lane Capital
Texas
-$1.28M
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$1.03M
5
MSU
Mizuho Securities USA
New York
-$1.01M
Name Holding Trade Value Shares
Change 		Change in
Stake
COPPSERS
26
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.59M -$209K -20,156 -7%
SCM
27
Shaolin Capital Management
Florida
$2.57M +$207K +20,000 +9%
CCM
28
Context Capital Management
California
$2.56M – – –
DAM
29
DLD Asset Management
New York
$2.05M – – –
Citigroup
30
Citigroup
New York
$1.86M – – –
AC
31
Aristeia Capital
Connecticut
$1.54M – – –
WCMNY
32
Westchester Capital Management (New York)
New York
$1.54M +$1.55M +150,000 New
WRBC
33
W.R. Berkley Corp
Connecticut
$1.53M – – –
SSA
34
Schonfeld Strategic Advisors
New York
$1.44M -$25.9K -2,507 -2%
RAM
35
Readystate Asset Management
Illinois
$1.4M +$441K +42,601 +45%
JP Morgan Chase
36
JP Morgan Chase
New York
$1.33M +$139K +13,444 +12%
TCM
37
Tenor Capital Management
New York
$1.03M – – –
Goldman Sachs
38
Goldman Sachs
New York
$1.01M – – –
SAMU
39
SONA Asset Management (US)
New York
$851K +$859K +82,991 New
HCM
40
Heights Capital Management
California
$604K – – –
SG
41
StoneX Group
New York
$506K +$510K +49,321 New
CL
42
CSS LLC
Illinois
$495K -$18.3K -1,765 -4%
VF
43
Virtu Financial
New York
$404K +$407K +39,387 New
Walleye Capital
44
Walleye Capital
New York
$358K – – –
SP
45
SIH Partners
Delaware
$278K -$71.7K -6,933 -20%
CS
46
Clear Street
New York
$246K -$302K -29,165 -55%
FIA
47
FNY Investment Advisers
New York
$154K – – –
BNP Paribas Financial Markets
48
BNP Paribas Financial Markets
France
$116K +$117K +11,320 New
Citadel Advisors
49
Citadel Advisors
Florida
$112K +$113K +10,940 New
PCM
50
PenderFund Capital Management
British Columbia, Canada
$82K – – –
1
2
3

PMTR Hedge Fund Activity: Q1 2026 in Review

52 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Perimeter Acquisition Corp I (PMTR) for Q1 2026, worth a combined $225M — up 1.8% from $221M a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of PMTR and 7 opened new positions — a net loss of 1 holder — while 11 trimmed existing stakes and 10 added.

The largest buyer was Fort Baker Capital Management, adding an estimated $8M. The largest seller was Saba Capital Management, cutting an estimated $2.6M.

  • 52 institutional investors held Perimeter Acquisition Corp I (PMTR) as of Q1 2026, down from 53 in Q4 2025.
  • Funds reported $225M of Perimeter Acquisition Corp I stock for Q1 2026, up 1.8% quarter-over-quarter.
  • 7 funds opened new Perimeter Acquisition Corp I positions in Q1 2026 and 8 closed out, a net change of -1 holder.
  • The largest Perimeter Acquisition Corp I buyer in Q1 2026 was Fort Baker Capital Management, an estimated $8M added.
  • The largest Perimeter Acquisition Corp I seller in Q1 2026 was Saba Capital Management, an estimated $2.6M sold.

Based on aggregated 13F filings for Q1 2026.