DOSSIER · 13F Holders · Q2 2026

CARPARTS COM INC

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

CUSIP 14427M956·2 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$7K
visible holders
Holders
2
filers reporting
Concentration
54.55%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

2 institutions reported CARPARTS COM INC in Q2 2026. SIMPLEX TRADING, LLC leads at 54.5% 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
$4K6000.00%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$3K5000.00%Q2 2026