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

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $11,500,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 293,500 8,297,000 72.15% Call
2 GROUP ONE TRADING LLC 108,500 3,067,000 26.67% Call
3 SIMPLEX TRADING, LLC 900 71,000 0.62% Call
4 SG Americas Securities, LLC 38,400 65,000 0.57% 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.