NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2018
Shares 81,940 Value ($000) $2,345 Avg Close — Range —
Q3 2018
Shares 89,546 Value ($000) $2,497 Avg Close — Range —
Q2 2018
Shares 96,138 Value ($000) $2,682 Avg Close — Range —
Q1 2018
Shares 105,020 Value ($000) $2,611 Avg Close — Range —
Q4 2017
Shares 103,433 Value ($000) $2,506 Avg Close — Range —
Q3 2017
Shares 103,761 Value ($000) $2,864 Avg Close — Range —
Q2 2017
Shares 92,900 Value ($000) $2,329 Avg Close — Range —
Q1 2017
Shares 97,900 Value ($000) $2,627 Avg Close — Range —
Q4 2016
Shares 99,300 Value ($000) $2,603 Avg Close — Range —
Q3 2016
Shares 135,100 Value ($000) $3,376 Avg Close — Range —
Q2 2016
Shares 128,800 Value ($000) $2,792 Avg Close — Range —
Q1 2016
Shares 119,700 Value ($000) $1,794 Avg Close — Range —
Q4 2015
Shares 99,300 Value ($000) $2,176 Avg Close — Range —
Q3 2015
Shares 99,300 Value ($000) $1,566 Avg Close — Range —
Q2 2015
Shares 102,500 Value ($000) $1,464 Avg Close — Range —
Q1 2015
Shares 106,800 Value ($000) $2,017 Avg Close — Range —
Q4 2014
Shares 106,800 Value ($000) $2,017 Avg Close — Range —
Q3 2014
Shares 158,200 Value ($000) $2,077 Avg Close — Range —
Q2 2014
Shares 156,100 Value ($000) $2,243 Avg Close — Range —
Q1 2014
Shares 102,200 Value ($000) $1,280 Avg Close — Range —
Q4 2013
Shares 99,900 Value ($000) $990 Avg Close — Range —
Q3 2013
Shares 99,764 Value ($000) $1,313 Avg Close — Range —
Q2 2013
Shares 76,764 Value ($000) $1,096 Avg Close — Range —