GT ADVANCED TECHNOLOGIES INC

CUSIP: 36191U106 Class: COM

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q3 2014
Shares 1,388,044 Value ($000) $15,032 Avg Close — Range —
Q2 2014
Shares 1,477,350 Value ($000) $27,479 Avg Close — Range —
Q1 2014
Shares 1,496,081 Value ($000) $25,509 Avg Close — Range —
Q4 2013
Shares 1,963,267 Value ($000) $17,110 Avg Close — Range —
Q3 2013
Shares 2,387,704 Value ($000) $20,319 Avg Close — Range —
Q2 2013
Shares 3,050,311 Value ($000) $12,658 Avg Close — Range —