NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2018
Shares 1,662,607 Value ($000) $47,584 Avg Close — Range —
Q3 2018
Shares 24,181 Value ($000) $674 Avg Close — Range —
Q1 2018
Shares 11,990 Value ($000) $298 Avg Close — Range —
Q3 2017
Shares 21,912 Value ($000) $605 Avg Close — Range —
Q2 2017
Shares 185,148 Value ($000) $4,642 Avg Close — Range —
Q1 2017
Shares 80,541 Value ($000) $2,161 Avg Close — Range —
Q4 2016
Shares 48,453 Value ($000) $1,270 Avg Close — Range —
Q3 2016
Shares 35,750 Value ($000) $893 Avg Close — Range —
Q2 2016
Shares 43,699 Value ($000) $947 Avg Close — Range —
Q1 2016
Shares 115,425 Value ($000) $1,730 Avg Close — Range —
Q4 2015
Shares 131,089 Value ($000) $2,872 Avg Close — Range —
Q3 2015
Shares 137,040 Value ($000) $2,161 Avg Close — Range —
Q2 2015
Shares 353,656 Value ($000) $5,052 Avg Close — Range —
Q4 2014
Shares 73,993 Value ($000) $1,327 Avg Close — Range —
Q3 2014
Shares 58,193 Value ($000) $764 Avg Close — Range —
Q2 2014
Shares 97,969 Value ($000) $1,408 Avg Close — Range —
Q1 2014
Shares 64,131 Value ($000) $817 Avg Close — Range —
Q4 2013
Shares 220,319 Value ($000) $2,204 Avg Close — Range —
Q3 2013
Shares 68,808 Value ($000) $905 Avg Close — Range —
Q2 2013
Shares 63,519 Value ($000) $907 Avg Close — Range —