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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $13,081,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 157,100 6,474,000 49.49% Call
2 GROUP ONE TRADING LLC 155,700 6,416,000 49.05% Call
3 SG Americas Securities, LLC 201,700 157,000 1.20% Call
4 SIMPLEX TRADING, LLC 226 34,000 0.26% 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.