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RIO TINTO PLC
RIO TINTO PLC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 5 Institutional holders with a total value of $29,899,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 375,200 11,744,000 39.28% Put
2 CITADEL ADVISORS LLC 261,500 8,185,000 27.38% Put
3 Timber Hill LLC 244,600 7,656,000 25.61% Put
4 CMT Asset Management Ltd 60,000 1,832,000 6.13% Put
5 SIMPLEX TRADING, LLC 2,577 482,000 1.61% 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.