GT ADVANCED TECHNOLOGIES INC

CUSIP: 36191U106 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q3 2014
Shares 1,784,189 Value ($000) $19,322 Avg Close — Range —
Q2 2014
Shares 1,654,064 Value ($000) $30,765 Avg Close — Range —
Q1 2014
Shares 1,960,018 Value ($000) $33,418 Avg Close — Range —
Q4 2013
Shares 1,854,495 Value ($000) $16,161 Avg Close — Range —
Q3 2013
Shares 1,744,441 Value ($000) $14,846 Avg Close — Range —
Q2 2013
Shares 1,749,789 Value ($000) $7,262 Avg Close — Range —