A.R.T. Advisors, LLC - XENOPORT INC ownership

XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 98 filers reported holding XENOPORT INC in Q3 2015. The put-call ratio across all filers is 2.15 and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of XENOPORT INC
ValueSharesWeighting
Q2 2015$419,000
-58.7%
68,494
-52.0%
0.01%
-60.0%
Q1 2015$1,015,000
+1003.3%
142,598
+1245.1%
0.04%
+1066.7%
Q4 2014$92,00010,6010.00%
Other shareholders
XENOPORT INC shareholders Q3 2015
NameSharesValueWeighting ↓
SENZAR ASSET MANAGEMENT, LLC 1,088,700$9,548,0002.80%
RTW INVESTMENTS, LP 842,568$7,389,0002.73%
Opus Point Partners Management, LLC 152,000$1,333,0001.32%
DAFNA Capital Management LLC 98,190$861,0000.68%
Baker Brothers Advisors 6,903,628$60,545,0000.62%
Orbimed Advisors 5,546,100$48,639,0000.46%
Rock Springs Capital Management LP 235,000$2,061,0000.24%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 402,412$3,529,0000.24%
CORRADO ADVISORS, LLC 53,200$467,0000.23%
NJ State Employees Deferred Compensation Plan 130,000$1,140,0000.22%
View complete list of XENOPORT INC shareholders