DOSSIER · 13F Holders · Q3 2026

WAYFAIR INC

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

CUSIP 94419L951·9 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$154M
visible holders
Holders
9
filers reporting
Concentration
43.82%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported WAYFAIR INC in Q3 2026. IMC-Chicago, LLC leads at 43.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$68M659K0.01%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$49M527K0.01%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$15M146K0.01%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$9M91K0.02%Q3 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$7M73K0.01%Q3 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$5M50K0.00%Q3 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$722K10K0.01%Q1 2026
08
SG Americas Securities, LLC
CIK 0001313360
$387K84K0.00%Q1 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025