MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - AMERICAN SCIENCE & ENGR INC ownership

AMERICAN SCIENCE & ENGR INC's ticker is ASEI and the CUSIP is 029429107. A total of 115 filers reported holding AMERICAN SCIENCE & ENGR INC in Q4 2013. The put-call ratio across all filers is 1.89 and the average weighting 0.1%.

Quarter-by-quarter ownership
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ownership history of AMERICAN SCIENCE & ENGR INC
ValueSharesWeighting
Q3 2013$206,260,000
-56.5%
3,420
-59.6%
0.00%
Q2 2013$473,760,0008,4600.00%
Other shareholders
AMERICAN SCIENCE & ENGR INC shareholders Q4 2013
NameSharesValueWeighting ↓
INTREPID CAPITAL MANAGEMENT INC 417,213$15,608,0006.18%
Aristotle Capital Boston, LLC 75,669$2,831,0000.55%
EAGLE BOSTON INVESTMENT MANAGEMENT INC 83,644$3,129,0000.42%
Deimos Asset Management LLC 23,547$881,0000.38%
GARDNER LEWIS ASSET MANAGEMENT L P 82,740$3,095,0000.32%
HARVEST MANAGEMENT LLC 10,000$374,0000.28%
South Dakota Investment Council 112,850$4,222,0000.09%
Chicago Capital Management, LLC 6,437$241,0000.08%
GABELLI & Co INVESTMENT ADVISERS, INC. 16,250$608,0000.08%
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 102,512$3,835,0000.07%
View complete list of AMERICAN SCIENCE & ENGR INC shareholders