OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2013
Shares 19,671 Value ($000) $1,463 Avg Close $71.00 Range $63.20 - $76.25
Q2 2013
Shares 10,798 Value ($000) $696 Avg Close $58.30 Range $48.10 - $67.50