Calamos Advisors LLC - XENOPORT INC ownership

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 Q3 2023
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