NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2018
Shares 428,300 Value ($000) $12,257 Avg Close — Range —
Q3 2018
Shares 279,400 Value ($000) $7,792 Avg Close — Range —