Calamos Advisors LLC - MEDIDATA SOLUTIONS INC ownership

MEDIDATA SOLUTIONS INC's ticker is and the CUSIP is 58471AAB1. A total of 28 filers reported holding MEDIDATA SOLUTIONS INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q2 2018$15,417,000
-61.6%
11,100,000
-68.8%
0.09%
-64.0%
Q1 2018$40,135,000
-4.2%
35,609,000
-0.4%
0.26%
+22.0%
Q4 2017$41,894,000
-17.5%
35,755,000
-3.1%
0.21%
-45.5%
Q3 2017$50,757,000
+16.7%
36,896,000
+19.1%
0.39%
+22.4%
Q2 2017$43,488,000
-4.9%
30,992,000
-22.8%
0.32%
-10.8%
Q1 2017$45,745,000
+2.7%
40,120,000
-1.8%
0.36%
+1.7%
Q4 2016$44,542,000
+35.5%
40,848,000
+45.9%
0.35%
+50.6%
Q3 2016$32,880,000
+10.5%
28,005,000
+2.0%
0.24%
+12.4%
Q2 2016$29,769,000
+6.2%
27,465,000
-0.9%
0.21%
+12.4%
Q1 2016$28,030,000
-7.8%
27,716,000
-0.2%
0.19%
-3.6%
Q4 2015$30,410,000
-1.5%
27,779,000
-4.6%
0.19%
-9.4%
Q3 2015$30,865,000
-1.4%
29,119,000
+10.2%
0.21%
+10.4%
Q2 2015$31,301,000
+13.0%
26,432,000
+8.0%
0.19%
+10.9%
Q1 2015$27,704,000
+3.4%
24,477,000
+1.2%
0.17%
-1.7%
Q4 2014$26,802,000
-56.1%
24,191,000
-56.9%
0.18%
-56.5%
Q3 2014$61,009,00056,134,0000.41%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q2 2015
NameSharesValueWeighting ↓
SHENKMAN CAPITAL MANAGEMENT INC 27,528,000$32,294,0002.49%
MACKAY SHIELDS LLC 39,422,000$46,225,0002.08%
Man Investments (CH) AG 3,000,000$3,514,0001.80%
OAKTREE CAPITAL MANAGEMENT LP 39,532,000$46,613,0000.60%
SSI INVESTMENT MANAGEMENT LLC 2,631,000$3,089,0000.27%
Calamos Advisors LLC 28,005,000$32,880,0000.24%
ADVENT CAPITAL MANAGEMENT /DE/ 12,625,000$14,790,0000.21%
LINDEN ADVISORS LP 3,000,000$3,524,0000.16%
Penn Capital Management Company, LLC 1,350,000$1,575,0000.11%
PRUDENTIAL PLC 25,326,000$27,795,0000.10%
View complete list of MEDIDATA SOLUTIONS INC shareholders