Spark Investment Management LLC - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 187 filers reported holding MEDICINES CO in Q3 2015. The put-call ratio across all filers is 0.34 and the average weighting 0.4%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q2 2015$423,000
-63.7%
14,800
-64.4%
0.06%
-63.8%
Q1 2015$1,165,000
-29.1%
41,600
-30.0%
0.16%
-40.9%
Q4 2014$1,643,000
-2.0%
59,400
-20.9%
0.28%
+9.5%
Q3 2014$1,676,000
-37.0%
75,100
-18.0%
0.25%
-36.2%
Q2 2014$2,660,000
+240.6%
91,600
+233.1%
0.40%
+226.4%
Q1 2014$781,000
-51.5%
27,500
-34.1%
0.12%
-56.6%
Q4 2013$1,609,000
+15.2%
41,7000.0%0.28%
-12.5%
Q3 2013$1,397,000
+51.5%
41,700
+39.0%
0.32%
+29.1%
Q2 2013$922,00030,0000.25%
Other shareholders
MEDICINES CO shareholders Q3 2015
NameSharesValueWeighting ↓
Aviva Holdings Ltd. 3,778,742$138,680,00022.51%
Sarissa Capital Management LP 1,922,000$70,537,00014.14%
Antipodean Advisors LLC 165,500$6,074,0007.66%
Boxer Capital, LLC 1,250,000$45,875,0005.19%
BRIDGER MANAGEMENT, LLC 2,604,965$95,602,0005.18%
Slate Path Capital LP 1,730,000$63,491,0004.80%
HighVista Strategies LLC 268,240$9,844,0004.44%
Camber Capital Management LP 2,000,000$73,400,0002.82%
Lion Point Capital, LP 727,205$26,688,0002.40%
THREE BAYS CAPITAL LP 1,360,560$49,933,0001.94%
View complete list of MEDICINES CO shareholders