SPHERA FUNDS MANAGEMENT LTD. - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 176 filers reported holding MEDICINES CO in Q2 2015. The put-call ratio across all filers is 1.52 and the average weighting 0.2%.

Quarter-by-quarter ownership
SPHERA FUNDS MANAGEMENT LTD. ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2015$2,240,000
-56.5%
60,000
-66.7%
0.33%
-34.9%
Q2 2015$5,150,000
+83.8%
180,000
+80.0%
0.50%
+72.6%
Q1 2015$2,802,000
+1.3%
100,0000.0%0.29%
-38.0%
Q4 2014$2,767,000
+62.9%
100,000
+127.3%
0.47%
-0.4%
Q4 2013$1,699,00044,0000.47%
Other shareholders
MEDICINES CO shareholders Q2 2015
NameSharesValueWeighting ↓
Sarissa Capital Management LP 4,202,000$153,246,00019.10%
Antipodean Advisors LLC 257,000$9,373,00011.40%
Aviva Holdings Ltd. 982,831$35,844,0007.50%
BRIDGER MANAGEMENT, LLC 2,314,014$84,392,0006.62%
Slate Path Capital LP 3,545,000$129,286,0005.80%
CVI Holdings, LLC 338,850$12,357,0004.78%
DLD Asset Management, LP 2,917,800$106,412,0004.43%
Camber Capital Management LP 1,700,000$61,999,0002.89%
Maven Securities LTD 109,386$3,994,0002.66%
Parian Global Management LP 110,100$4,015,0002.60%
View complete list of MEDICINES CO shareholders