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

Institutional Holders (2015Q3)
Portfolio Summary: 4 Institutional holders with a total value of $11,456,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 164,000 5,546,000 48.41% Put
2 Timber Hill LLC 148,800 5,032,000 43.92% Put
3 SG Americas Securities, LLC 50,000 555,000 4.84%
4 SIMPLEX TRADING, LLC 442 323,000 2.82% 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.