Weiss Asset Management LP - MEDIDATA SOLUTIONS INC ownership

Quarter-by-quarter ownership
Weiss Asset Management LP ownership history of MEDIDATA SOLUTIONS INC
ValueSharesWeighting
Q2 2018$16,781,00012,213,0001.66%
Other shareholders
MEDIDATA SOLUTIONS INC shareholders Q3 2018
NameSharesValueWeighting ↓
PIPER SANDLER & CO. 11,164,000$15,386,00010.42%
Weiss Asset Management LP 12,213,000$16,781,0001.66%
Verition Fund Management LLC 4,015,000$5,597,0000.34%
CAPSTONE INVESTMENT ADVISORS, LLC 12,500,000$17,426,0000.27%
Kohlberg Kravis Roberts & Co. L.P. 7,828,000$10,756,0000.12%
Calamos Advisors LLC 11,100,000$15,417,0000.09%
WEDBUSH SECURITIES INC 3,000$417,0000.05%
D. E. Shaw & Co., Inc. 18,220,000$25,271,0000.03%
ADVENT CAPITAL MANAGEMENT /DE/ 617,000$856,0000.02%
Citadel Advisors 24,000,000$33,281,0000.02%
View complete list of MEDIDATA SOLUTIONS INC shareholders