XENON PHARMACEUTICALS INC

Ticker: XENE CUSIP: 98420N105 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2018

Shares 26,100 Value ($000) $240 Avg Close $6.21 Range $4.50 - $11.00

Q1 2018

Shares 12,700 Value ($000) $62 Avg Close $3.70 Range $2.70 - $5.05

Q2 2015

Shares 10,300 Value ($000) $118 Avg Close $13.82 Range $11.43 - $17.50

Q1 2015

Shares 11,296 Value ($000) $188 Avg Close $18.47 Range $14.03 - $23.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	26,100	$240	$6.21	$4.50 - $11.00
Q1 2018	12,700	$62	$3.70	$2.70 - $5.05
Q2 2015	10,300	$118	$13.82	$11.43 - $17.50
Q1 2015	11,296	$188	$18.47	$14.03 - $23.50