HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2015
Shares 104,952 Value ($000) $215 Avg Close — Range —
Q3 2015
Shares 103,180 Value ($000) $314 Avg Close — Range —
Q2 2015
Shares 103,480 Value ($000) $1,213 Avg Close — Range —
Q1 2015
Shares 102,345 Value ($000) $1,296 Avg Close — Range —
Q4 2014
Shares 94,145 Value ($000) $1,490 Avg Close — Range —
Q3 2014
Shares 93,745 Value ($000) $1,550 Avg Close — Range —
Q2 2014
Shares 92,614 Value ($000) $1,691 Avg Close — Range —
Q1 2014
Shares 91,714 Value ($000) $1,543 Avg Close — Range —
Q4 2013
Shares 91,314 Value ($000) $1,480 Avg Close — Range —
Q3 2013
Shares 79,314 Value ($000) $988 Avg Close — Range —
Q2 2013
Shares 76,855 Value ($000) $985 Avg Close — Range —
Q1 2013
Shares 76,207 Value ($000) $829 Avg Close — Range —