DOSSIER · 13F Holders · Q2 2026

FST CORP

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

CUSIP G3R23E100·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2M
visible holders
Holders
6
filers reporting
Concentration
87.91%
Harraden Circle Investments, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported FST CORP in Q2 2026. Harraden Circle Investments, LLC leads at 87.9% 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
$2M1.6M0.20%Q2 2026
02
UBS Group AG
CIK 0001610520
$153K161K0.00%Q2 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$39K41K0.00%Q2 2026
04
CITADEL ADVISORS LLC
CIK 0001423053
$23K24K0.00%Q2 2026
05
Caitong International Asset Management Co., Ltd
CIK 0001963355
$220.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025