NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q3 2018
Shares 13,237 Value ($000) $369 Avg Close — Range —
Q2 2018
Shares 13,237 Value ($000) $369 Avg Close — Range —
Q1 2018
Shares 13,237 Value ($000) $329 Avg Close — Range —
Q4 2017
Shares 128,550 Value ($000) $3,115 Avg Close — Range —
Q3 2017
Shares 1,576,299 Value ($000) $43,506 Avg Close — Range —
Q2 2017
Shares 2,200,219 Value ($000) $55,159 Avg Close — Range —
Q1 2017
Shares 4,955,630 Value ($000) $132,960 Avg Close — Range —
Q4 2016
Shares 5,749,761 Value ($000) $150,701 Avg Close — Range —
Q3 2016
Shares 5,890,709 Value ($000) $147,209 Avg Close — Range —
Q2 2016
Shares 6,018,076 Value ($000) $130,472 Avg Close — Range —
Q1 2016
Shares 6,048,014 Value ($000) $90,660 Avg Close — Range —
Q4 2015
Shares 6,012,047 Value ($000) $131,724 Avg Close — Range —
Q3 2015
Shares 5,184,950 Value ($000) $81,767 Avg Close — Range —
Q2 2015
Shares 3,873,231 Value ($000) $55,329 Avg Close — Range —
Q1 2015
Shares 3,938,133 Value ($000) $68,130 Avg Close — Range —
Q4 2014
Shares 4,034,891 Value ($000) $72,346 Avg Close — Range —
Q3 2014
Shares 3,749,927 Value ($000) $49,237 Avg Close — Range —
Q2 2014
Shares 4,244,971 Value ($000) $61,000 Avg Close — Range —
Q1 2014
Shares 4,289,829 Value ($000) $54,652 Avg Close — Range —