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WILLIAMS COS INC DEL
WILLIAMS COS INC DEL. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 11 Institutional holders with a total value of $219,424,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 MASON CAPITAL MANAGEMENT LLC 3,000,000 151,770,000 69.17% Put
2 CITADEL ADVISORS LLC 475,100 24,035,000 10.95% Put
3 Timber Hill LLC 380,400 19,244,000 8.77% Put
4 GROUP ONE TRADING LLC 214,100 10,831,000 4.94% Put
5 Allianz Asset Management GmbH 195,000 9,865,000 4.50% Put
6 3G Capital Partners LP 3,000 2,064,000 0.94% Put
7 HARVARD MANAGEMENT CO INC 3,400 932,000 0.42% Put
8 GABELLI & Co INVESTMENT ADVISERS, INC. 15,000 525,000 0.24% Put
9 SIMPLEX TRADING, LLC 913 147,000 0.07% Put
10 LUPO SECURITIES, LLC 165 6,000 0.00% Put
11 SG Americas Securities, LLC 30,000 5,000 0.00% Put

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.