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

Institutional Holders (2017Q1)
Portfolio Summary: 4 Institutional holders with a total value of $19,194,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 335,300 13,640,000 71.06% Put
2 Timber Hill LLC 108,200 4,402,000 22.93% Put
3 JPMORGAN CHASE & CO 25,000 1,017,000 5.30% Put
4 SIMPLEX TRADING, LLC 484 135,000 0.70% 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.