NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q4 2018
Shares 332,783 Value ($000) $9,524 Avg Close — Range —
Q3 2018
Shares 251,283 Value ($000) $7,008 Avg Close — Range —
Q2 2018
Shares 160,283 Value ($000) $4,472 Avg Close — Range —
Q1 2018
Shares 359,583 Value ($000) $8,939 Avg Close — Range —
Q4 2017
Shares 139,900 Value ($000) $3,390 Avg Close — Range —
Q2 2017
Shares 14,783 Value ($000) $371 Avg Close — Range —
Q1 2017
Shares 146,983 Value ($000) $3,944 Avg Close — Range —
Q4 2016
Shares 84,783 Value ($000) $2,222 Avg Close — Range —
Q3 2016
Shares 250,983 Value ($000) $6,272 Avg Close — Range —
Q2 2016
Shares 158,483 Value ($000) $3,436 Avg Close — Range —
Q1 2016
Shares 478,783 Value ($000) $7,177 Avg Close — Range —
Q4 2015
Shares 361,990 Value ($000) $7,931 Avg Close — Range —
Q3 2015
Shares 295,490 Value ($000) $4,660 Avg Close — Range —
Q1 2015
Shares 57,190 Value ($000) $989 Avg Close — Range —
Q4 2014
Shares 126,990 Value ($000) $2,277 Avg Close — Range —
Q3 2014
Shares 67,600 Value ($000) $888 Avg Close — Range —
Q3 2013
Shares 69,600 Value ($000) $916 Avg Close — Range —
Q2 2013
Shares 132,300 Value ($000) $1,889 Avg Close — Range —