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

Institutional Holders (2014Q4)
Portfolio Summary: 6 Institutional holders with a total value of $57,676,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 463,900 19,632,000 34.04% Call
2 CITADEL ADVISORS LLC 409,400 17,326,000 30.04% Call
3 Timber Hill LLC 392,000 16,589,000 28.76% Call
4 Teewinot Capital Advisers, L.L.C. 2,500 2,100,000 3.64% Call
5 Virtu KCG Holdings LLC 39,700 1,680,000 2.91% Call
6 SIMPLEX TRADING, LLC 618 349,000 0.61% 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.