XBIOTECH INC

Ticker: XBIT CUSIP: 98400H102 Class: Foreign Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2020

Shares 26,077 Value ($000) $498 Avg Close $14.87 Range $11.80 - $18.51

Q2 2020

Shares 83,613 Value ($000) $1,146 Avg Close $12.11 Range $8.79 - $14.39

Q1 2020

Shares 100,071 Value ($000) $1,063 Avg Close $14.02 Range $7.51 - $22.75

Q4 2019

Shares 88,805 Value ($000) $1,658 Avg Close $11.09 Range $7.05 - $19.77

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	26,077	$498	$14.87	$11.80 - $18.51
Q2 2020	83,613	$1,146	$12.11	$8.79 - $14.39
Q1 2020	100,071	$1,063	$14.02	$7.51 - $22.75
Q4 2019	88,805	$1,658	$11.09	$7.05 - $19.77