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

CUSIP: G7010A103

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Class A Common Stock
Shares outstanding
24,804,178
Total 13F shares
1,292,007
Share change
-4,835,517
Total reported value
$13,365,323
Price per share
$10.29
Number of holders
10
Value change
-$50,559,330
Number of buys
1
Number of sells
20

Security key

G7010A103

Report period

Q3 2025

Institutions

10

Top holders

10

Ownership snapshot

Top shareholders 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.

Lead holder
Harraden Circle Investmen...
13D/G signal
Harraden Circle Investmen...
Evidence rows
50
Latest as of
30 Jun 2025
13F 13D/G 3/4/5 Lead comparable stake: 7.7% 13D/G row: Harraden Circle Investments, LLC Showing first 8 of 50 holder rows. Open remaining rows
Holder Evidence Ownership % Position 12M Net Δ As of
Harraden Circle Investments, LLC
13F 13D/G
Company
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
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
6.1%
1,500,000 shares
$0 14 May 2025
Magnetar Financial LLC
13F 13D/G
Company
6%
from 13D/G
$15,742,500
2,250,000 shares
mixed-class rows
30 Jun 2025
Westwood Global Investments, LLC
13F
Company
13F
698%
$1,853,932,381
206,604,197 shares
30 Jun 2025
Exor N.V.
13F
Company
13F
617%
$4,377,404,401
182,543,970 shares
30 Jun 2025
ORBIMED ADVISORS LLC
13F
Company
13F
41%
$13,131,450
12,048,773 shares
30 Jun 2025
WGI DM, LLC
13F
Company
13F
27%
$968,628,771
7,965,880 shares
30 Jun 2025
Show 42 additional holder rows in the full holder list
Holder Evidence Ownership % Position 12M Net Δ As of
MOORE CAPITAL MANAGEMENT, LP
13F
Company
13F
4.8%
$12,564,000
1,200,000 shares
30 Jun 2025
MILLENNIUM MANAGEMENT LLC
13F
Company
13F
2.5%
$6,435,500
610,000 shares
30 Jun 2025
TWO SIGMA INVESTMENTS, LP
13F
Company
13F
2.2%
$5,464,433
537,309 shares
30 Jun 2025
Ghisallo Capital Management LLC
13F
Company
13F
2%
$5,235,000
500,000 shares
30 Jun 2025
HGC Investment Management Inc.
13F
Company
13F
1.7%
$4,498,520
426,400 shares
30 Jun 2025
HBK INVESTMENTS L P
13F
Company
13F
1.6%
$4,220,000
400,000 shares
30 Jun 2025
AQR Arbitrage LLC
13F
Company
13F
1.6%
$4,188,000
400,000 shares
30 Jun 2025
PICTON MAHONEY ASSET MANAGEMENT
13F
Company
13F
1.3%
$3,429,000
325,000 shares
30 Jun 2025
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
13F
Company
13F
1.2%
$3,000,000
300,000 shares
30 Jun 2025
LMR Partners LLP
13F
Company
13F
1%
$2,637,500
250,000 shares
30 Jun 2025
Schonfeld Strategic Advisors LLC
13F
Company
13F
1%
$2,637,500
250,000 shares
30 Jun 2025
Weiss Asset Management LP
13F
Company
13F
1%
$2,551,250
250,000 shares
30 Jun 2025
JPMORGAN CHASE & CO
13F
Company
13F
0.87%
$2,268,640
216,680 shares
30 Jun 2025
CITIGROUP INC
13F
Company
13F
0.81%
$2,094,000
200,000 shares
30 Jun 2025
DLD Asset Management, LP
13F
Company
13F
0.8%
$2,101,032
199,150 shares
30 Jun 2025
Westchester Capital Management, LLC
13F
Company
13F
0.6%
$1,570,501
150,000 shares
30 Jun 2025
BERKLEY W R CORP
13F
Company
13F
0.6%
$1,513,601
148,830 shares
30 Jun 2025
MIZUHO SECURITIES USA LLC
13F
Company
13F
0.51%
$1,269,340
126,934 shares
30 Jun 2025
Radcliffe Capital Management, L.P.
13F
Company
13F
0.45%
$1,187,930
112,600 shares
30 Jun 2025
TENOR CAPITAL MANAGEMENT Co., L.P.
13F
Company
13F
0.4%
$1,055,000
100,000 shares
30 Jun 2025
BLUEFIN CAPITAL MANAGEMENT, LLC
13F
Company
13F
0.4%
$1,047,000
100,000 shares
30 Jun 2025
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
13F
Company
13F
0.4%
$1,020,500
100,000 shares
30 Jun 2025
Wealthspring Capital LLC
13F
Company
13F
0.39%
$1,032,845
97,900 shares
30 Jun 2025
HEIGHTS CAPITAL MANAGEMENT, INC
13F
Company
13F
0.29%
$746,584
71,307 shares
30 Jun 2025
CSS LLC/IL
13F
Company
13F
0.2%
$527,500
50,000 shares
30 Jun 2025
READYSTATE ASSET MANAGEMENT LP
13F
Company
13F
0.17%
$433,196
41,375 shares
30 Jun 2025
Pensionfund Sabic
13F
Company
13F
0.13%
$2,813,000
39,800 shares
30 Jun 2025
Codex Capital Asset Management L.L.C.
13F
Company
13F
0.06%
$4,687,800
19,000 shares
30 Jun 2025
PenderFund Capital Management Ltd.
13F
Company
13F
0.04%
$104,700
10,000 shares
30 Jun 2025
Somerset Group LLC
13F
Company
13F
0.02%
$262,461
5,934 shares
30 Jun 2025
Strategic Investment Solutions, Inc. /IL
13F
Company
13F
0%
$27,689
127 shares
30 Jun 2025
MORGAN STANLEY
13F
Company
13F
0%
$570
56 shares
30 Jun 2025
Jordan Andrew Blashek
3/4/5
Executive Chairman, Director, 10%+ Owner
class O/S missing
575,000 shares
12 May 2025
Perimeter Acquisition Sponsor LLC
3/4/5
10%+ Owner
class O/S missing
575,000 shares
12 May 2025
LINDEN ADVISORS LP
13F
Company
13F
mixed-class rows
$15,891,875
2,350,000 shares
mixed-class rows
30 Jun 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F
Company
13F
mixed-class rows
$15,795,000
2,250,000 shares
mixed-class rows
30 Jun 2025
Governors Lane LP
13F
Company
13F
mixed-class rows
$12,158,008
1,619,528 shares
mixed-class rows
30 Jun 2025
Saba Capital Management, L.P.
13F
Company
13F
mixed-class rows
$11,121,999
1,613,537 shares
mixed-class rows
30 Jun 2025
METEORA CAPITAL, LLC
13F
Company
13F
mixed-class rows
$10,793,099
1,303,171 shares
mixed-class rows
30 Jun 2025
Fort Baker Capital Management LP
13F
Company
13F
mixed-class rows
$8,391,999
1,199,999 shares
mixed-class rows
30 Jun 2025
Lighthouse Investment Partners, LLC
13F
Company
13F
mixed-class rows
$7,867,500
1,125,000 shares
mixed-class rows
30 Jun 2025
Shaolin Capital Management LLC
13F
Company
13F
mixed-class rows
$6,570,845
938,936 shares
mixed-class rows
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 loaded
10
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* 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. An asterisk next to the price means the price is likely invalid.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
25
Q3 2025 holders
10
Holder diff
-15
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 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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