DOSSIER · 13F Holders · Q2 2026

PHOTRONICS INC

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

CUSIP 719405902·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$4M
visible holders
Holders
5
filers reporting
Concentration
35.99%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported PHOTRONICS INC in Q2 2026. GROUP ONE TRADING LLC leads at 36.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$1M39K0.00%Q2 2026
02
INSIGNEO ADVISORY SERVICES, LLC
CIK 0001964958
$976K30K0.04%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$891K27K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$407K13K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025