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

Institutional Holders (2015Q2)
Portfolio Summary: 8 Institutional holders with a total value of $39,290,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 449,100 14,861,000 37.82% Call
2 GROUP ONE TRADING LLC 335,600 11,105,000 28.26% Call
3 Timber Hill LLC 302,500 10,010,000 25.48% Call
4 Virtu KCG Holdings LLC 42,200 1,396,000 3.55% Call
5 Marathon Trading Investment Management LLC 30,000 993,000 2.53% Call
6 Allianz Asset Management GmbH 22,100 731,000 1.86% Call
7 Teewinot Capital Advisers, L.L.C. 1,000 125,000 0.32% Call
8 SIMPLEX TRADING, LLC 478 69,000 0.18% 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.