Calamos Advisors LLC - XENOPORT INC ownership

XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 111 filers reported holding XENOPORT INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of XENOPORT INC
ValueSharesWeighting
Q2 2015$300,000
-13.8%
48,9050.0%0.00%0.0%
Q1 2015$348,000
+103.5%
48,905
+150.8%
0.00%
+100.0%
Q4 2014$171,000
+62.9%
19,5000.0%0.00%0.0%
Q3 2014$105,000
+11.7%
19,5000.0%0.00%0.0%
Q2 2014$94,000
-6.9%
19,5000.0%0.00%0.0%
Q1 2014$101,00019,5000.00%
Other shareholders
XENOPORT INC shareholders Q4 2014
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