STILLWATER MNG CO

CUSIP: 86074Q102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q1 2017
Shares 228,844 Value ($000) $3,952 Avg Close — Range —
Q4 2016
Shares 124,604 Value ($000) $2,007 Avg Close — Range —
Q3 2016
Shares 99,623 Value ($000) $1,331 Avg Close — Range —
Q2 2016
Shares 95,269 Value ($000) $1,130 Avg Close — Range —
Q1 2016
Shares 72,884 Value ($000) $776 Avg Close — Range —
Q4 2015
Shares 49,153 Value ($000) $421 Avg Close — Range —
Q3 2015
Shares 35,785 Value ($000) $370 Avg Close — Range —
Q1 2015
Shares 12,661 Value ($000) $164 Avg Close — Range —
Q4 2014
Shares 50,950 Value ($000) $751 Avg Close — Range —
Q3 2014
Shares 39,864 Value ($000) $599 Avg Close — Range —
Q2 2014
Shares 13,062 Value ($000) $229 Avg Close — Range —
Q1 2014
Shares 22,772 Value ($000) $337 Avg Close — Range —
Q4 2013
Shares 27,349 Value ($000) $337 Avg Close — Range —
Q3 2013
Shares 29,008 Value ($000) $319 Avg Close — Range —
Q2 2013
Shares 54,726 Value ($000) $588 Avg Close — Range —