QUINSTREET INC

Ticker: QNST CUSIP: 74874Q100 Class: Common Stock

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

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

Q3 2018

Shares 48,008 Value ($000) $651 Avg Close $14.16 Range $12.12 - $16.42

Q2 2018

Shares 48,008 Value ($000) $610 Avg Close $12.59 Range $9.76 - $14.12

Q1 2018

Shares 183,553 Value ($000) $2,344 Avg Close $11.70 Range $8.27 - $14.65

Q4 2017

Shares 196,984 Value ($000) $1,651 Avg Close $8.49 Range $6.86 - $10.97

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	48,008	$651	$14.16	$12.12 - $16.42
Q2 2018	48,008	$610	$12.59	$9.76 - $14.12
Q1 2018	183,553	$2,344	$11.70	$8.27 - $14.65
Q4 2017	196,984	$1,651	$8.49	$6.86 - $10.97