NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2018
Shares 26,616 Value ($000) $762 Avg Close — Range —
Q3 2018
Shares 72,273 Value ($000) $2,016 Avg Close — Range —
Q2 2018
Shares 86,717 Value ($000) $2,419 Avg Close — Range —
Q1 2018
Shares 97,477 Value ($000) $2,423 Avg Close — Range —
Q4 2017
Shares 102,915 Value ($000) $2,494 Avg Close — Range —
Q3 2017
Shares 166,774 Value ($000) $4,603 Avg Close — Range —
Q2 2017
Shares 231,263 Value ($000) $5,798 Avg Close — Range —
Q1 2017
Shares 320,226 Value ($000) $8,592 Avg Close — Range —
Q4 2016
Shares 295,494 Value ($000) $7,745 Avg Close — Range —
Q3 2016
Shares 316,312 Value ($000) $7,905 Avg Close — Range —
Q2 2016
Shares 244,348 Value ($000) $5,297 Avg Close — Range —
Q1 2016
Shares 283,346 Value ($000) $4,247 Avg Close — Range —
Q4 2015
Shares 278,688 Value ($000) $6,106 Avg Close — Range —
Q3 2015
Shares 221,758 Value ($000) $3,497 Avg Close — Range —
Q2 2015
Shares 218,996 Value ($000) $3,128 Avg Close — Range —
Q1 2015
Shares 212,068 Value ($000) $3,669 Avg Close — Range —
Q4 2014
Shares 115,217 Value ($000) $2,066 Avg Close — Range —
Q3 2014
Shares 43,402 Value ($000) $570 Avg Close — Range —
Q2 2014
Shares 45,716 Value ($000) $657 Avg Close — Range —
Q3 2013
Shares 65,592 Value ($000) $863 Avg Close — Range —
Q2 2013
Shares 150,267 Value ($000) $2,146 Avg Close — Range —