Perimeter Acquisition Corp. I - Class A Common Stock (PMTRU)

CUSIP: G7010A103

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class
Equity / Class A Common Stock
Total 13F shares
1,292,007
Total 13F value
$13,365,323
Holder snapshot 6 signals
Share change
-4,835,517
SEC-reported price per share
$10.29
Number of holders
10
Value change
-$50,559,330
Number of buys
1
Number of sells
20
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
24,804,178

Security key

G7010A103

Report period

Q3 2025

Institutions

10

Top holders

10

PMTRU full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Perimeter Acquisition Corp. I SEC filings Perimeter Acquisition Corp. I company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of PMTRU - Perimeter Acquisition Corp. I - Class A Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Harraden Circle Investmen...
Disclosed value leader
Exor N.V.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F 13D/G Lead comparable stake: 7.7% 13D/G row: Harraden Circle Investments, LLC Showing 1-6 of 15 holder rows.

Quick read

Harraden Circle Investments, LLC leads the comparable SEC ownership view at 7.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Harraden Circle Investments, LLC's linked filing trail.
Comparable ownership Top 5
Harraden Circle Investments, LLC 7.7%
Alberta Investment Management Corp 6.1%
Linden Capital L.P. 6.1%
Magnetar Financial LLC 6%
Westwood Global Investments, LLC 651%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Harraden Circle Investments, LLC
13F 13D/G
Company
13F 13D/G
7.7%
from 13D/G
$19,958,398
2,892,838 shares
mixed-class rows
 — 30 Jun 2025
Alberta Investment Management Corp
13F 13D/G
Company
13F 13D/G
6.1%
from 13D/G
$15,787,500
2,250,000 shares
mixed-class rows
 — 30 Jun 2025
Linden Capital L.P.
13D/G
Linden Advisors LP
13D/G
6.1%
—
1,500,000 shares
 $0 14 May 2025
Magnetar Financial LLC
13F 13D/G
Company
13F 13D/G
6%
from 13D/G
$15,742,500
2,250,000 shares
mixed-class rows
 — 30 Jun 2025
Westwood Global Investments, LLC
13F
Company
13F
651%
$1,853,932,381
206,604,197 shares
 — 30 Jun 2025
Exor N.V.
13F
Company
13F
575%
$4,377,404,401
182,543,970 shares
 — 30 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
10
Shares
1,292,007
Rows available
10
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2025 vs Q4 2025 Across Filers

Q4 2025 holders
9
Q3 2025 holders
10
Holder diff
1
Investor Q4 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q4 2025 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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