OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Stephens Investment Management Group LLC's Holding History (CIK: 0001314440)

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

Q3 2013

Shares 494,546 Value ($000) $36,829 Avg Close $71.00 Range $63.20 - $76.25

Q2 2013

Shares 294,196 Value ($000) $18,952 Avg Close $58.30 Range $48.10 - $67.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	494,546	$36,829	$71.00	$63.20 - $76.25
Q2 2013	294,196	$18,952	$58.30	$48.10 - $67.50