GSA CAPITAL PARTNERS LLP - NXSTAGE MEDICAL INC ownership

NXSTAGE MEDICAL INC's ticker is NXTM and the CUSIP is 67072V103. A total of 164 filers reported holding NXSTAGE MEDICAL INC in Q2 2017. The put-call ratio across all filers is 0.11 and the average weighting 0.3%.

Quarter-by-quarter ownership
GSA CAPITAL PARTNERS LLP ownership history of NXSTAGE MEDICAL INC
ValueSharesWeighting
Q3 2018$296,000
-56.9%
10,612
-62.5%
0.02%
-61.9%
Q4 2017$686,000
-74.0%
28,300
-71.2%
0.04%
-70.2%
Q1 2017$2,635,000
+40.3%
98,200
+37.0%
0.14%
+25.9%
Q4 2016$1,878,000
+15.2%
71,670
+9.9%
0.11%
+27.3%
Q3 2016$1,630,000
+86.1%
65,236
+61.4%
0.09%
+83.3%
Q2 2016$876,000
+187.2%
40,426
+98.4%
0.05%
+152.6%
Q1 2016$305,000
+76.3%
20,380
+68.3%
0.02%
+171.4%
Q2 2015$173,00012,1110.01%
Other shareholders
NXSTAGE MEDICAL INC shareholders Q2 2017
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