Rock Springs Capital Management LP - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 239 filers reported holding MEDICINES CO in Q2 2019. The put-call ratio across all filers is 1.08 and the average weighting 0.4%.

Quarter-by-quarter ownership
Rock Springs Capital Management LP ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2019$26,136,000
-34.7%
307,699
-61.5%
0.83%
-48.2%
Q3 2019$40,000,000
+37.1%
800,0000.0%1.59%
+50.9%
Q2 2019$29,176,000
+43.1%
800,000
+9.7%
1.06%
+34.4%
Q1 2019$20,387,000
+46.5%
729,400
+0.3%
0.79%
+19.6%
Q4 2018$13,913,000
-32.6%
726,900
+5.3%
0.66%
-12.0%
Q3 2018$20,638,000
-18.5%
690,0000.0%0.75%
-23.3%
Q2 2018$25,323,000
+11.4%
690,0000.0%0.97%
+0.4%
Q1 2018$22,729,000
+20.5%
690,0000.0%0.97%
+13.3%
Q4 2017$18,865,000
-26.2%
690,0000.0%0.86%
-27.4%
Q3 2017$25,558,000
-3.2%
690,000
-0.6%
1.18%
-11.6%
Q2 2017$26,396,000
-22.9%
694,446
-0.8%
1.33%
-32.5%
Q1 2017$34,230,000
+44.2%
700,000
+0.1%
1.98%
+24.3%
Q4 2016$23,741,000
-7.6%
699,500
+2.7%
1.59%
-1.4%
Q3 2016$25,701,000
+12.3%
681,000
+0.1%
1.61%
-4.9%
Q2 2016$22,885,000
+14.0%
680,500
+7.7%
1.69%
+0.7%
Q1 2016$20,079,000
-14.0%
632,000
+1.1%
1.68%
-4.9%
Q4 2015$23,338,000
+3.3%
625,000
+5.0%
1.77%
-3.5%
Q3 2015$22,586,000
+128.5%
595,000
+72.2%
1.83%
+153.9%
Q2 2015$9,885,000
+17.6%
345,500
+15.2%
0.72%
-8.1%
Q1 2015$8,406,000
+23.3%
300,000
+21.8%
0.79%
-1.4%
Q4 2014$6,815,000
+106.0%
246,300
+66.1%
0.80%
+55.7%
Q3 2014$3,309,000
-15.7%
148,250
+9.7%
0.51%
-27.3%
Q2 2014$3,926,000
+15.1%
135,100
+12.6%
0.70%
-10.5%
Q1 2014$3,410,000
+171.7%
120,000
+269.2%
0.79%
+75.7%
Q4 2013$1,255,00032,5000.45%
Other shareholders
MEDICINES CO shareholders Q2 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