ESSEX INVESTMENT MANAGEMENT CO LLC - MEDIDATA SOLUTIONS INC ownership

MEDIDATA SOLUTIONS INC's ticker is MDSO and the CUSIP is 58471A105. A total of 289 filers reported holding MEDIDATA SOLUTIONS INC in Q3 2018. The put-call ratio across all filers is 0.15 and the average weighting 0.2%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q2 2018$763,000
+27.8%
9,476
-0.2%
0.10%
+23.1%
Q1 2018$597,000
-15.0%
9,499
-14.3%
0.08%
-16.1%
Q4 2017$702,000
-11.8%
11,085
+8.7%
0.09%
-13.9%
Q3 2017$796,000
-0.3%
10,1990.0%0.11%
-5.3%
Q2 2017$798,00010,1990.11%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q3 2018
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