PRIMECAP MANAGEMENT CO/CA/ - XENOPORT INC ownership

XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 96 filers reported holding XENOPORT INC in Q1 2016. The put-call ratio across all filers is 3.26 and the average weighting 0.3%.

Quarter-by-quarter ownership
PRIMECAP MANAGEMENT CO/CA/ ownership history of XENOPORT INC
ValueSharesWeighting
Q2 2016$521,000
+27.1%
74,000
-18.7%
0.00%
Q1 2016$410,000
-18.0%
91,0000.0%0.00%
-100.0%
Q4 2015$500,000
+58.2%
91,0000.0%0.00%
Q3 2015$316,000
-43.4%
91,0000.0%0.00%
-100.0%
Q2 2015$558,000
-13.9%
91,0000.0%0.00%0.0%
Q1 2015$648,000
-18.8%
91,0000.0%0.00%0.0%
Q4 2014$798,000
+62.9%
91,0000.0%0.00%0.0%
Q3 2014$490,000
-2.4%
91,000
-12.5%
0.00%0.0%
Q2 2014$502,000
-24.2%
104,000
-18.8%
0.00%0.0%
Q1 2014$662,000
-10.1%
128,0000.0%0.00%0.0%
Q4 2013$736,000
+1.2%
128,0000.0%0.00%0.0%
Q3 2013$727,000
+14.7%
128,0000.0%0.00%0.0%
Q2 2013$634,000128,0000.00%
Other shareholders

There were no reported owners of XENOPORT INC in Q1 2016.

NameSharesValueWeighting ↓
View complete list of XENOPORT INC shareholders