AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q2 2015
Shares 2,121 Value ($000) $93 Avg Close — Range —
Q1 2015
Shares 3,854 Value ($000) $188 Avg Close — Range —
Q4 2014
Shares 6,133 Value ($000) $318 Avg Close — Range —