XENOPORT INC

CUSIP: 98411C100 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2016
Shares 8,883,851 Value ($000) $40,066 Avg Close — Range —
Q4 2015
Shares 8,317,976 Value ($000) $45,665 Avg Close — Range —
Q3 2015
Shares 8,830,836 Value ($000) $30,642 Avg Close — Range —
Q2 2015
Shares 8,574,624 Value ($000) $52,562 Avg Close — Range —
Q1 2015
Shares 8,465,645 Value ($000) $60,275 Avg Close — Range —
Q4 2014
Shares 8,587,927 Value ($000) $75,316 Avg Close — Range —
Q3 2014
Shares 8,709,302 Value ($000) $46,856 Avg Close — Range —
Q2 2014
Shares 8,592,106 Value ($000) $41,499 Avg Close — Range —
Q1 2014
Shares 8,330,064 Value ($000) $43,066 Avg Close — Range —
Q4 2013
Shares 6,670,334 Value ($000) $38,354 Avg Close — Range —
Q3 2013
Shares 4,585,624 Value ($000) $26,046 Avg Close — Range —
Q2 2013
Shares 5,256,464 Value ($000) $26,019 Avg Close — Range —