Perimeter Acquisition Corp. I Class A Ordinary Shares
PMTR • NASDAQ
Perimeter Acquisition Corp. I Class A Ordinary Shares is a blank checks company on NASDAQ, with a market cap of $316.4M. As of Q3 2025, 70% of shares are held by 40 institutional investors, with Harraden Circle Investments, LLC as the largest holder at 6.16%.
Market Cap$316.4M
BLANK CHECKS
Overview
Overview of institutional ownership in PMTR as of Q3 2025 with a market cap of $313.5M
All Institutions
- Institutions
- 40
- Value Held
- $218.7M
- Shares Held
- 21.5M
- Avg Position
- $5.5M
- Median Position
- $3.2M
Hedge Funds
- Hedge Funds
- 25
- Value Held
- $154.4M
- Shares Held
- 15.2M
- Avg Position
- $6.2M
- Median Position
- $3.8M
Ownership Breakdown
Based on market cap of $313.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in PMTR as of Q3 2025
| Institution | Position Value |
|---|---|
H Harraden Circle Investments, LLC Hedge Fund•Event Driven | $19.3M 4.05% of portfolio |
$15.3M 0.16% of portfolio | |
 Magnetar Financial LLC Hedge Fund•Multi-Strategy | $15.3M 0.10% of portfolio |
 LINDEN ADVISORS LP Hedge Fund•Multi-Strategy | $15.3M 1.57% of portfolio |
H | $12.8M 0.02% of portfolio |
 TORONTO DOMINION BANK Institution | $12.3M 0.02% of portfolio |
 Meteora Capital, LLC Hedge Fund•Event Driven | $12.2M 1.63% of portfolio |
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro | $12.2M 0.25% of portfolio |
 Governors Lane LP Hedge Fund•Event Driven | $11.9M 1.67% of portfolio |
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy | $10.7M 0.36% of portfolio |
Net Capital Flow
Institutional buying and selling activity for PMTR in Q3 2025
- Net Flow
- −$11.1M
- Buyers
- 4
- Sellers
- 7
- Total Bought
- +$4.9M
- Total Sold
- −$16.0M
- Avg Position
- $6.9M
Biggest Buyers
| Institution | Net Bought |
|---|---|
 PERISCOPE CAPITAL INC. Institution | +$1.6M +160.6K shares |
 OZ MANAGEMENT LP Hedge Fund•Multi-Strategy | +$1.6M +160.2K shares |
Meteora Capital, LLC Hedge Fund•Event Driven | +$1.6M +157.6K shares |
 MORGAN STANLEY RIA/Wealth | +$152.5 +15.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Lighthouse Investment Partners, LLC Fund of Funds | −$7.6M −750.0K shares |
 Shaolin Capital Management LLC Hedge Fund•Multi-Strategy | −$2.9M −283.6K shares |
H | −$2.6M −250.0K shares |
 Weiss Asset Management LP Hedge Fund•Multi-Strategy | −$1.5M −143.1K shares |
 UBS OCONNOR LLC Long Only Manager | −$1.0M −100.0K shares |
 GLAZER CAPITAL, LLC Hedge Fund•Multi-Strategy | −$418.4K −41.1K shares |
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy | −$28.7K −2.8K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited PMTR in Q3 2025
- New Positions
- 19
- New Value
- $60.9M
- Exited Positions
- 2
- Exited Value
- $8.6M
New Positions
| Institution | Position Value |
|---|---|
TORONTO DOMINION BANK Institution | $12.3M 1.2M shares |
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro | $12.2M 1.2M shares |
 Ghisallo Capital Management LLC Hedge Fund•Multi-Strategy | $5.1M 500.0K shares |
 HBK INVESTMENTS L P Hedge Fund•Multi-Strategy | $4.1M 400.0K shares |
P PICTON MAHONEY ASSET MANAGEMENT Institution | $3.3M 325.0K shares |
 CNH PARTNERS LLC Hedge Fund•Multi-Strategy | $3.1M 301.7K shares |
$3.1M 300.0K shares | |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $3.0M 298.0K shares |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | $2.6M 250.0K shares |
 Radcliffe Capital Management, L.P. Hedge Fund•Multi-Strategy | $2.1M 203.1K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Lighthouse Investment Partners, LLC Fund of Funds | $7.6M 750.0K shares |
UBS OCONNOR LLC Long Only Manager | $1.0M 100.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in PMTR as of Q3 2025
- Call Positions
- 1
- Call Value
- $59.7K
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
 DLD Asset Management, LP Hedge Fund•Multi-Strategy | $59.7K 995.7 contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with PMTR as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
H Harraden Circle Investments, LLC Hedge Fund•Event Driven | 4.05% $19.3M |
 Fort Baker Capital Management LP Hedge Fund•Quant Macro | 1.69% $8.1M |
Governors Lane LP Hedge Fund•Event Driven | 1.67% $11.9M |
Meteora Capital, LLC Hedge Fund•Event Driven | 1.63% $12.2M |
LINDEN ADVISORS LP Hedge Fund•Multi-Strategy | 1.57% $15.3M |
 Context Capital Management, LLC Hedge Fund•Convert Bond Arb | 1.08% $2.0M |
PERISCOPE CAPITAL INC. Institution | 1.02% $3.7M |
K K2 PRINCIPAL FUND, L.P. Institution | 0.95% $2.5M |
Shaolin Capital Management LLC Hedge Fund•Multi-Strategy | 0.77% $3.5M |
Radcliffe Capital Management, L.P. Hedge Fund•Multi-Strategy | 0.46% $2.1M |
Hedge Fund Spotlight
Discover hedge funds investing in PMTR
Shaolin Capital Management LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerDavid Barry Puritz
- Portfolio Value
- $449.9M
- Positions
- 157
- Last Reported
- Q3 2025
Sector Allocation
Position in Perimeter Acquisition Corp. I Class A Ordinary Shares
- Market Value
- $3.5M
- Shares Held
- 342.8K
- Portfolio Weight
- 0.77%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Financial - Capital Markets Financial Services | $18.1M | 4.03% | |
Software - Application Technology | $14.1M | 3.13% | |
Semiconductors Technology | $12.2M | 2.70% |
