WINMARK CORP

Ticker: WINA CUSIP: 974250102 Class: Common Stock

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

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

Q4 2013

Shares 9,321 Value ($000) $863 Avg Close $78.66 Range $69.70 - $94.20

Q3 2013

Shares 8,810 Value ($000) $649 Avg Close $71.91 Range $63.06 - $75.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	9,321	$863	$78.66	$69.70 - $94.20
Q3 2013	8,810	$649	$71.91	$63.06 - $75.91