DOSSIER · 13F Holders · Q2 2026

PERIMETER ACQUISITION CORP I

55 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 G7010A129·55 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$171M
visible holders
Holders
55
filers reporting
Concentration
14.90%
Harraden Circle Investments, LLC #1
top holder share
AI Holders Summary · Q2 2026

55 institutions reported PERIMETER ACQUISITION CORP I in Q2 2026. Harraden Circle Investments, LLC leads at 14.9% 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
$25M2.4M3.24%Q2 2026
02
Fort Baker Capital Management LP
CIK 0001688382
$16M1.6M1.20%Q2 2026
03
LINDEN ADVISORS LP
CIK 0001279396
$16M1.5M0.08%Q2 2026
04
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$16M1.5M0.09%Q2 2026
05
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
$13M1.2M0.19%Q2 2026
06
Governors Lane LP
CIK 0001644187
$12M1.1M0.97%Q2 2026
07
METEORA CAPITAL, LLC
CIK 0001905106
$9M905K0.78%Q2 2026
08
Saba Capital Management, L.P.
CIK 0001510281
$7M650K0.17%Q2 2026
09
TORONTO DOMINION BANK
CIK 0000947263
$6M600K0.01%Q2 2026
10
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$6M537K0.00%Q2 2026
11
Lineage Point Capital LP
CIK 0002093311
$5M531K2.07%Q4 2025
12
Radcliffe Capital Management, L.P.
CIK 0001218275
$5M522K0.41%Q2 2026
13
Sculptor Capital LP
CIK 0001054587
$5M500K0.04%Q2 2026
14
Ghisallo Capital Management LLC
CIK 0001825214
$5M500K0.10%Q2 2026
15
D. E. Shaw & Co., Inc.
CIK 0001009207
$5M500K0.00%Q4 2025
16
Centiva Capital, LP
CIK 0001692507
$4M409K0.04%Q2 2026
17
GLAZER CAPITAL, LLC
CIK 0001076809
$4M380K0.08%Q1 2026
18
HBK INVESTMENTS L P
CIK 0001011443
$4M360K0.04%Q2 2026
19
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$4M350K0.01%Q2 2026
20
PERISCOPE CAPITAL INC.
CIK 0001695320
$3M328K0.30%Q2 2026
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