ESSEX INVESTMENT MANAGEMENT CO LLC - NXSTAGE MEDICAL INC ownership

NXSTAGE MEDICAL INC's ticker is NXTM and the CUSIP is 67072V103. A total of 141 filers reported holding NXSTAGE MEDICAL INC in Q1 2016. The put-call ratio across all filers is 0.20 and the average weighting 0.3%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of NXSTAGE MEDICAL INC
ValueSharesWeighting
Q1 2017$2,068,000
+18.6%
77,077
+15.9%
0.32%
+12.9%
Q4 2016$1,743,000
-19.6%
66,511
-23.3%
0.29%
-17.8%
Q3 2016$2,167,000
+94.2%
86,727
+68.5%
0.35%
+87.6%
Q2 2016$1,116,000
+43.6%
51,459
-0.8%
0.19%
+39.8%
Q1 2016$777,000
-33.2%
51,858
-2.4%
0.13%
-26.9%
Q4 2015$1,164,000
+391.1%
53,137
+220.5%
0.18%
+333.3%
Q2 2013$237,00016,5800.04%
Other shareholders
NXSTAGE MEDICAL INC shareholders Q1 2016
NameSharesValueWeighting ↓
TIG Advisors, LLC 3,926,141$112,366,00010.03%
Tamarack Advisers, LP 625,000$17,888,0007.29%
Kite Lake Capital Management (UK) LLP 655,364$18,757,0006.00%
DAFNA Capital Management LLC 312,119$8,933,0004.44%
Fort Baker Capital Management LP 278,178$7,961,0004.28%
HARVEST MANAGEMENT LLC 81,000$2,318,0003.73%
HighVista Strategies LLC 146,903$4,204,0003.64%
Athos Capital Ltd 110,784$3,171,0003.14%
Manikay Partners, LLC 1,125,200$32,203,0003.13%
ALPINE ASSOCIATES MANAGEMENT INC. 2,433,167$69,637,0002.90%
View complete list of NXSTAGE MEDICAL INC shareholders