GSI GROUP INC CDA NEW

CUSIP: 36191C205 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2016
Shares 813,988 Value ($000) $11,526 Avg Close — Range —
Q4 2015
Shares 787,569 Value ($000) $10,727 Avg Close — Range —
Q3 2015
Shares 754,710 Value ($000) $9,607 Avg Close — Range —
Q2 2015
Shares 773,582 Value ($000) $11,627 Avg Close — Range —
Q1 2015
Shares 820,829 Value ($000) $10,933 Avg Close — Range —
Q4 2014
Shares 756,147 Value ($000) $11,131 Avg Close — Range —
Q3 2014
Shares 697,317 Value ($000) $8,012 Avg Close — Range —
Q2 2014
Shares 679,352 Value ($000) $8,648 Avg Close — Range —
Q1 2014
Shares 623,407 Value ($000) $8,141 Avg Close — Range —
Q4 2013
Shares 601,094 Value ($000) $6,756 Avg Close — Range —
Q3 2013
Shares 580,971 Value ($000) $5,542 Avg Close — Range —
Q2 2013
Shares 575,313 Value ($000) $4,626 Avg Close — Range —