AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q2 2016
Shares 380,611 Value ($000) $14,239 Avg Close — Range —
Q1 2016
Shares 352,600 Value ($000) $9,763 Avg Close — Range —
Q4 2015
Shares 293,700 Value ($000) $12,153 Avg Close — Range —
Q3 2015
Shares 276,100 Value ($000) $9,818 Avg Close — Range —
Q2 2015
Shares 282,400 Value ($000) $12,372 Avg Close — Range —
Q1 2015
Shares 297,900 Value ($000) $14,555 Avg Close — Range —
Q4 2014
Shares 341,700 Value ($000) $17,734 Avg Close — Range —
Q3 2014
Shares 382,471 Value ($000) $21,181 Avg Close — Range —
Q2 2014
Shares 384,640 Value ($000) $26,767 Avg Close — Range —
Q1 2014
Shares 389,113 Value ($000) $26,137 Avg Close — Range —
Q4 2013
Shares 350,000 Value ($000) $25,169 Avg Close — Range —
Q3 2013
Shares 368,267 Value ($000) $22,210 Avg Close — Range —
Q2 2013
Shares 367,411 Value ($000) $20,575 Avg Close — Range —