DOSSIER · 13F Holders · Q3 2026

COHU INC

4 institutions still hold COHU INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 192576906·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$8M
visible holders
Holders
4
filers reporting
Concentration
46.09%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported COHU INC in Q3 2026. SIMPLEX TRADING, LLC leads at 46.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$4M54K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$3M36K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M22K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025