QUARTERHILL INC

Ticker: QTRHF CUSIP: 747713105 Class: COM

Virtu Financial LLC's Holding History (CIK: 0001533964)

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

Q3 2018

Shares 22,087 Value ($000) $31 Avg Close $1.29 Range $1.01 - $1.55

Q2 2018

Shares 20,125 Value ($000) $22 Avg Close $1.37 Range $1.06 - $1.61

Q1 2018

Shares 35,720 Value ($000) $52 Avg Close $1.68 Range $1.45 - $1.98

Q4 2017

Shares 45,958 Value ($000) $85 Avg Close $1.75 Range $1.41 - $2.12

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	22,087	$31	$1.29	$1.01 - $1.55
Q2 2018	20,125	$22	$1.37	$1.06 - $1.61
Q1 2018	35,720	$52	$1.68	$1.45 - $1.98
Q4 2017	45,958	$85	$1.75	$1.41 - $2.12