ADVANCED ENERGY INDS

Ticker: AEIS CUSIP: 007973100 Class: EQTY

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

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

Q2 2020

Shares 7,941 Value ($000) $538 Avg Close $58.43 Range $40.98 - $73.97

Q2 2014

Shares 54,473 Value ($000) $1,049 Avg Close $20.05 Range $16.20 - $25.84

Q1 2014

Shares 79,422 Value ($000) $1,946 Avg Close $25.59 Range $21.87 - $28.59

Q4 2013

Shares 75,333 Value ($000) $1,722 Avg Close $21.02 Range $16.59 - $26.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	7,941	$538	$58.43	$40.98 - $73.97
Q2 2014	54,473	$1,049	$20.05	$16.20 - $25.84
Q1 2014	79,422	$1,946	$25.59	$21.87 - $28.59
Q4 2013	75,333	$1,722	$21.02	$16.59 - $26.04