DRIEHAUS CAPITAL MANAGEMENT LLC - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 4 filers reported holding MEDICINES CO in Q1 2020. The put-call ratio across all filers is - and the average weighting 0.7%.

Quarter-by-quarter ownership
DRIEHAUS CAPITAL MANAGEMENT LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2019$6,880,000
+273.9%
81,000
+120.1%
0.18%
+205.0%
Q3 2019$1,840,000
+8.2%
36,801
-39.3%
0.06%
+1.7%
Q1 2015$1,700,000
-26.3%
60,661
+1.5%
0.06%
-28.9%
Q4 2013$2,307,00059,7430.08%
Other shareholders
MEDICINES CO shareholders Q1 2020
NameSharesValueWeighting ↓
Sarissa Capital Management LP 4,202,000$356,917,00029.62%
SYQUANT CAPITAL SAS 505,030$42,897,00022.09%
Moab Capital Partners 521,987$44,338,00017.51%
Antipodean Advisors LLC 321,000$27,266,00015.60%
RAMIUS ADVISORS LLC 419,826$35,660,00015.34%
DLD Asset Management, LP 3,275,900$278,255,00015.00%
Foresite Capital Management IV, LLC 403,217$34,249,00014.78%
WHITE SQUARE CAPITAL LLP 239,331$20,329,00014.70%
Davide Leone & Partners Investment Co Ltd. 1,146,192$97,358,00012.50%
Quad Capital Management Advisors LLC 8,640$734,00011.19%
View complete list of MEDICINES CO shareholders