O'SHAUGHNESSY ASSET MANAGEMENT, LLC - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 263 filers reported holding MEDICINES CO in Q3 2019. The put-call ratio across all filers is 1.15 and the average weighting 0.5%.

Quarter-by-quarter ownership
O'SHAUGHNESSY ASSET MANAGEMENT, LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q3 2019$125,000
-46.1%
2,493
-66.9%
0.00%
-50.0%
Q2 2013$232,0007,5290.01%
Other shareholders
MEDICINES CO shareholders Q3 2019
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