Calamos Advisors LLC - MEDIDATA SOLUTIONS INC ownership

MEDIDATA SOLUTIONS INC's ticker is MDSO and the CUSIP is 58471A105. A total of 191 filers reported holding MEDIDATA SOLUTIONS INC in Q4 2014. The put-call ratio across all filers is 0.73 and the average weighting 0.2%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q3 2014$21,617,000
-6.6%
488,075
-9.7%
0.14%
-2.0%
Q2 2014$23,148,000
-16.8%
540,709
+5.6%
0.15%
-17.4%
Q1 2014$27,824,000
-9.2%
512,033
+1.2%
0.18%
-8.7%
Q4 2013$30,648,000
+15.8%
505,995
+89.2%
0.20%
+17.5%
Q3 2013$26,462,000
+43.7%
267,480
+12.5%
0.17%
+38.3%
Q2 2013$18,416,000237,7810.12%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q4 2014
NameSharesValueWeighting ↓
Brown Capital Management 5,339,762$338,381,0004.11%
Global Thematic Partners, LLC 1,429,138$90,564,0002.98%
AMERICAN CAPITAL MANAGEMENT INC 514,912$32,630,0001.96%
Ranger Investment Management 397,446$25,186,0001.85%
Conestoga Capital Advisors, LLC 735,957$46,638,0001.79%
ASHFORD CAPITAL MANAGEMENT INC 178,895$11,337,0001.76%
ARK Investment Management 326,079$20,664,0001.65%
Champlain Investment Partners, LLC 1,856,985$117,677,0001.33%
Malaga Cove Capital, LLC 37,601$2,383,0001.33%
Stephens Investment Management Group LLC 822,040$52,093,0001.19%
View complete list of MEDIDATA SOLUTIONS INC shareholders