Renaissance Technologies - XENOPORT INC ownership

XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 87 filers reported holding XENOPORT INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of XENOPORT INC
ValueSharesWeighting
Q2 2016$81,000
-92.4%
11,512
-93.4%
0.00%
-100.0%
Q2 2015$1,066,000
+212.6%
173,936
+193.3%
0.00%
+100.0%
Q4 2013$341,000
-37.7%
59,312
-46.4%
0.00%0.0%
Q2 2013$547,000110,6000.00%
Other shareholders
XENOPORT INC shareholders Q4 2013
NameSharesValueWeighting ↓
Sand Grove Capital Management LLP 945,000$6,634,0004.15%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 11,572,125$81,468,0003.20%
FIRST NEW YORK SECURITIES LLC /NY 485,378$3,417,061,0002.10%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC 656,595$4,622,0001.64%
S. MUOIO & CO. LLC 383,763$2,702,0001.27%
Kassirer Asset Management Corp 356,711$2,511,0001.18%
ALPINE ASSOCIATES MANAGEMENT INC. 2,708,948$19,071,0000.68%
HAVENS ADVISORS LLC 125,000$880,0000.67%
Rock Springs Capital Management LP 1,195,000$8,413,0000.62%
WATER ISLAND CAPITAL LLC 1,618,007$11,391,0000.56%
View complete list of XENOPORT INC shareholders