HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q1 2016
Shares 15,140 Value ($000) $2 Avg Close — Range —
Q4 2015
Shares 31,167 Value ($000) $64 Avg Close — Range —
Q3 2015
Shares 39,081 Value ($000) $119 Avg Close — Range —
Q2 2015
Shares 43,330 Value ($000) $508 Avg Close — Range —
Q1 2015
Shares 44,952 Value ($000) $569 Avg Close — Range —
Q4 2014
Shares 58,051 Value ($000) $919 Avg Close — Range —
Q3 2014
Shares 45,525 Value ($000) $753 Avg Close — Range —
Q2 2014
Shares 38,016 Value ($000) $694 Avg Close — Range —
Q1 2014
Shares 30,269 Value ($000) $509 Avg Close — Range —
Q4 2013
Shares 30,472 Value ($000) $494 Avg Close — Range —
Q3 2013
Shares 23,325 Value ($000) $291 Avg Close — Range —
Q2 2013
Shares 23,268 Value ($000) $298 Avg Close — Range —