XENON PHARMACEUTICALS INC

Ticker: XENE CUSIP: 98420N105 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2020

Shares 16,451 Value ($000) $253 Avg Close $11.70 Range $9.32 - $16.41

Q3 2020

Shares 17,633 Value ($000) $195 Avg Close $11.77 Range $10.11 - $14.10

Q2 2020

Shares 29,679 Value ($000) $372 Avg Close $12.73 Range $9.96 - $17.00

Q1 2020

Shares 22,089 Value ($000) $250 Avg Close $14.24 Range $7.00 - $18.45

Q3 2018

Shares 16,074 Value ($000) $212 Avg Close $11.59 Range $8.85 - $15.92

Q2 2018

Shares 17,837 Value ($000) $164 Avg Close $6.21 Range $4.50 - $11.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	16,451	$253	$11.70	$9.32 - $16.41
Q3 2020	17,633	$195	$11.77	$10.11 - $14.10
Q2 2020	29,679	$372	$12.73	$9.96 - $17.00
Q1 2020	22,089	$250	$14.24	$7.00 - $18.45
Q3 2018	16,074	$212	$11.59	$8.85 - $15.92
Q2 2018	17,837	$164	$6.21	$4.50 - $11.00