DOSSIER · 13F Holders · Q2 2026

PERIMETER ACQUISITION CORP I

40 institutions still hold PERIMETER ACQUISITION CORP I as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G7010A111·40 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$8M
visible holders
Holders
40
filers reporting
Concentration
13.62%
Harraden Circle Investments, LLC #1
top holder share
AI Holders Summary · Q2 2026

40 institutions reported PERIMETER ACQUISITION CORP I in Q2 2026. Harraden Circle Investments, LLC leads at 13.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Harraden Circle Investments, LLC
CIK 0001910592
$1M1.2M0.13%Q2 2026
02
LINDEN ADVISORS LP
CIK 0001279396
$786K850K0.00%Q2 2026
03
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$712K750K0.00%Q2 2026
04
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$675K750K0.00%Q2 2026
05
TORONTO DOMINION BANK
CIK 0000947263
$554K615K0.00%Q2 2026
06
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
$540K600K0.01%Q2 2026
07
Saba Capital Management, L.P.
CIK 0001510281
$512K554K0.01%Q2 2026
08
Walleye Capital LLC
CIK 0001758720
$438K487K0.00%Q2 2026
09
Governors Lane LP
CIK 0001644187
$336K374K0.03%Q2 2026
10
Lineage Point Capital LP
CIK 0002093311
$244K345K0.09%Q4 2025
11
Fort Baker Capital Management LP
CIK 0001688382
$240K266K0.02%Q2 2026
12
Shaolin Capital Management LLC
CIK 0001766806
$233K259K0.01%Q2 2026
13
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$217K242K0.00%Q2 2026
14
Centiva Capital, LP
CIK 0001692507
$190K200K0.00%Q2 2026
15
HBK INVESTMENTS L P
CIK 0001011443
$180K200K0.00%Q2 2026
16
D. E. Shaw & Co., Inc.
CIK 0001009207
$177K250K0.00%Q4 2025
17
HGC Investment Management Inc.
CIK 0001711200
$175K194K0.03%Q2 2026
18
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$154K163K0.00%Q2 2026
19
PERISCOPE CAPITAL INC.
CIK 0001695320
$149K165K0.01%Q2 2026
20
DLD Asset Management, LP
CIK 0001578299
$119K133K0.01%Q2 2026
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