OBERWEIS ASSET MANAGEMENT INC/ - MEDIDATA SOLUTIONS INC ownership

MEDIDATA SOLUTIONS INC's ticker is MDSO and the CUSIP is 58471A105. A total of 197 filers reported holding MEDIDATA SOLUTIONS INC in Q3 2014. The put-call ratio across all filers is 2.28 and the average weighting 0.1%.

Quarter-by-quarter ownership
OBERWEIS ASSET MANAGEMENT INC/ ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q2 2014$1,548,000
-88.1%
36,164
-84.9%
0.38%
-86.0%
Q1 2014$13,036,000
-8.8%
239,890
+1.5%
2.74%
-21.0%
Q4 2013$14,299,000
+12.3%
236,340
+83.6%
3.46%
-4.3%
Q3 2013$12,737,000
-35.2%
128,748
-49.2%
3.62%
-35.0%
Q2 2013$19,647,000253,6795.57%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q3 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