Renaissance Technologies - MEDIDATA SOLUTIONS INC ownership

MEDIDATA SOLUTIONS INC's ticker is MDSO and the CUSIP is 58471A105. A total of 243 filers reported holding MEDIDATA SOLUTIONS INC in Q1 2017. The put-call ratio across all filers is 1.68 and the average weighting 0.2%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q2 2017$12,566,000
-45.1%
160,694
-59.5%
0.02%
-50.0%
Q1 2017$22,902,000
+669.8%
396,992
+562.8%
0.03%
+540.0%
Q4 2016$2,975,000
+30.4%
59,894
+10.5%
0.01%0.0%
Q3 2015$2,282,000
+157.9%
54,194
+232.6%
0.01%
+150.0%
Q2 2015$885,000
+237.8%
16,294
+196.6%
0.00%
+100.0%
Q4 2014$262,000
-94.0%
5,494
-93.2%
0.00%
-90.9%
Q1 2014$4,384,000
+20.6%
80,669
+34.2%
0.01%
+22.2%
Q4 2013$3,636,000
+105.4%
60,094
+163.0%
0.01%
+80.0%
Q2 2013$1,770,00022,8470.01%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q1 2017
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