DOSSIER · 13F Holders · Q2 2026

SOUTHWEST AIRLS CO

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

CUSIP 844741908·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$78M
visible holders
Holders
6
filers reporting
Concentration
61.41%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported SOUTHWEST AIRLS CO in Q2 2026. IMC-Chicago, LLC leads at 61.4% 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
$48M937K0.01%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$14M277K0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$10M191K0.01%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$4M75K0.00%Q2 2026
05
CMT Capital Markets Trading GmbH
CIK 0001632813
$2M62K0.02%Q1 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025