NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2018
Shares 136,400 Value ($000) $3,904 Avg Close — Range —
Q3 2018
Shares 136,400 Value ($000) $3,804 Avg Close — Range —
Q2 2018
Shares 136,400 Value ($000) $3,806 Avg Close — Range —
Q1 2018
Shares 136,400 Value ($000) $3,391 Avg Close — Range —
Q4 2017
Shares 122,700 Value ($000) $2,973 Avg Close — Range —
Q3 2017
Shares 122,700 Value ($000) $3,387 Avg Close — Range —
Q2 2017
Shares 109,700 Value ($000) $2,750 Avg Close — Range —
Q1 2017
Shares 106,100 Value ($000) $2,847 Avg Close — Range —
Q4 2016
Shares 106,100 Value ($000) $2,781 Avg Close — Range —
Q3 2016
Shares 103,300 Value ($000) $2,581 Avg Close — Range —
Q2 2016
Shares 106,800 Value ($000) $2,315 Avg Close — Range —
Q1 2016
Shares 92,600 Value ($000) $1,342 Avg Close — Range —
Q4 2015
Shares 74,500 Value ($000) $1,632 Avg Close — Range —
Q3 2015
Shares 74,500 Value ($000) $1,175 Avg Close — Range —
Q2 2015
Shares 65,100 Value ($000) $930 Avg Close — Range —
Q1 2015
Shares 68,900 Value ($000) $1,192 Avg Close — Range —
Q4 2014
Shares 67,200 Value ($000) $1,205 Avg Close — Range —
Q3 2014
Shares 67,200 Value ($000) $882 Avg Close — Range —
Q2 2014
Shares 67,200 Value ($000) $966 Avg Close — Range —
Q1 2014
Shares 62,100 Value ($000) $791 Avg Close — Range —
Q4 2013
Shares 48,400 Value ($000) $484 Avg Close — Range —
Q3 2013
Shares 48,400 Value ($000) $637 Avg Close — Range —
Q2 2013
Shares 50,700 Value ($000) $724 Avg Close — Range —