AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q2 2016
Shares 25,917 Value ($000) $970 Avg Close — Range —
Q1 2016
Shares 25,539 Value ($000) $708 Avg Close — Range —
Q4 2015
Shares 25,080 Value ($000) $1,038 Avg Close — Range —
Q3 2015
Shares 24,495 Value ($000) $872 Avg Close — Range —
Q2 2015
Shares 22,975 Value ($000) $1,007 Avg Close — Range —
Q1 2015
Shares 35,632 Value ($000) $1,741 Avg Close — Range —
Q4 2014
Shares 29,152 Value ($000) $1,513 Avg Close — Range —
Q3 2014
Shares 25,772 Value ($000) $1,428 Avg Close — Range —
Q2 2014
Shares 22,703 Value ($000) $1,580 Avg Close — Range —
Q1 2014
Shares 20,623 Value ($000) $1,386 Avg Close — Range —
Q4 2013
Shares 20,143 Value ($000) $1,449 Avg Close — Range —
Q3 2013
Shares 19,567 Value ($000) $1,197 Avg Close — Range —
Q2 2013
Shares 18,421 Value ($000) $1,036 Avg Close — Range —