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SOUTHWEST AIRLS CO
SOUTHWEST AIRLS CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 6 Institutional holders with a total value of $36,742,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 334,000 14,796,000 40.27% Call
2 CITADEL ADVISORS LLC 243,300 10,778,000 29.33% Call
3 Timber Hill LLC 205,900 9,121,000 24.82% Call
4 Virtu KCG Holdings LLC 29,500 1,307,000 3.56% Call
5 Allianz Asset Management GmbH 15,300 678,000 1.85% Call
6 SIMPLEX TRADING, LLC 226 62,000 0.17% 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.