HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2015
Shares 900,862 Value ($000) $1,847 Avg Close — Range —
Q3 2015
Shares 902,314 Value ($000) $2,743 Avg Close — Range —
Q2 2015
Shares 344,247 Value ($000) $4,035 Avg Close — Range —
Q1 2015
Shares 344,663 Value ($000) $4,363 Avg Close — Range —
Q4 2014
Shares 360,380 Value ($000) $5,705 Avg Close — Range —
Q3 2014
Shares 644,727 Value ($000) $10,657 Avg Close — Range —
Q2 2014
Shares 701,007 Value ($000) $12,800 Avg Close — Range —
Q1 2014
Shares 740,117 Value ($000) $12,449 Avg Close — Range —
Q4 2013
Shares 758,717 Value ($000) $12,299 Avg Close — Range —
Q3 2013
Shares 769,907 Value ($000) $9,593 Avg Close — Range —
Q2 2013
Shares 787,297 Value ($000) $10,085 Avg Close — Range —