Spot Trading L.L.C - NXSTAGE MEDICAL INC ownership

NXSTAGE MEDICAL INC's ticker is NXTM and the CUSIP is 67072V103. A total of 128 filers reported holding NXSTAGE MEDICAL INC in Q3 2015. The put-call ratio across all filers is 0.11 and the average weighting 0.3%.

Quarter-by-quarter ownership
Spot Trading L.L.C ownership history of NXSTAGE MEDICAL INC
ValueSharesWeighting
Q4 2015$867,000
+183.3%
39,600
+104.2%
0.01%
+200.0%
Q3 2015$306,000
+22.9%
19,393
+11.1%
0.00%
+50.0%
Q2 2015$249,00017,4540.00%
Other shareholders
NXSTAGE MEDICAL INC shareholders Q3 2015
NameSharesValueWeighting ↓
ORACLE INVESTMENT MANAGEMENT INC 2,721,906$73,029,00011.38%
DAFNA Capital Management LLC 216,119$5,798,0004.90%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 3,744,151$100,456,0003.87%
KOPP INVESTMENT ADVISORS LLC 117,779$3,160,0003.09%
Perceptive Advisors 1,818,189$48,782,0002.78%
Pennant Capital Management, LLC 1,927,408$51,712,0002.45%
GILDER GAGNON HOWE & CO LLC 4,955,630$132,960,0002.24%
PURA VIDA INVESTMENTS, LLC 275,000$7,378,0002.18%
Portolan Capital Management 545,032$14,623,0001.90%
Tamarack Advisers, LP 110,000$2,951,0001.84%
View complete list of NXSTAGE MEDICAL INC shareholders