Dark
Light
System
Security
SOUTHWEST AIRLS CO
SOUTHWEST AIRLS CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 9 Institutional holders with a total value of $45,007,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 346,100 14,903,000 33.11% Call
2 Timber Hill LLC 314,300 13,534,000 30.07% Call
3 GROUP ONE TRADING LLC 280,400 12,074,000 26.83% Call
4 Virtu KCG Holdings LLC 57,500 2,476,000 5.50% Call
5 Allianz Asset Management GmbH 28,400 1,223,000 2.72% Call
6 Marathon Trading Investment Management LLC 12,500 538,000 1.20% Call
7 SIMPLEX TRADING, LLC 796 101,000 0.22% Call
8 CMT CAPITAL MARKETS TRADING GMBH 2,100 90,000 0.20% Call
9 TLP GROUP LLC 13,000 68,000 0.15% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.