FRONTIER CAPITAL MANAGEMENT CO LLC - MEDICINES CO ownership

MEDICINES CO's ticker is MDCO and the CUSIP is 584688105. A total of 230 filers reported holding MEDICINES CO in Q1 2017. The put-call ratio across all filers is 1.41 and the average weighting 0.9%.

Quarter-by-quarter ownership
FRONTIER CAPITAL MANAGEMENT CO LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q2 2017$26,958,000
-8.7%
709,229
+17.4%
0.20%
-9.6%
Q1 2017$29,537,000
+245.6%
604,020
+139.9%
0.22%
+230.3%
Q4 2016$8,546,000
+446.8%
251,790
+507.9%
0.07%
+407.7%
Q3 2016$1,563,000
-8.0%
41,419
-18.0%
0.01%
-7.1%
Q2 2016$1,699,000
-11.5%
50,529
-16.4%
0.01%
-6.7%
Q1 2016$1,920,000
-82.1%
60,424
-78.9%
0.02%
-83.1%
Q4 2015$10,700,000
-60.7%
286,559
-60.0%
0.09%
-61.1%
Q3 2015$27,206,000
-24.3%
716,712
-43.0%
0.23%
-11.2%
Q2 2015$35,953,000
-44.6%
1,256,653
-45.7%
0.26%
-44.9%
Q1 2015$64,864,000
+76.4%
2,314,908
+74.2%
0.47%
+72.7%
Q4 2014$36,762,000
+504.3%
1,328,598
+534.7%
0.27%
+502.2%
Q2 2014$6,083,000
-85.6%
209,341
-85.9%
0.04%
-85.2%
Q1 2014$42,153,000
-37.5%
1,483,219
-15.1%
0.30%
-39.0%
Q4 2013$67,466,000
+137.5%
1,746,929
+106.1%
0.50%
+128.3%
Q3 2013$28,410,000847,5500.22%
Other shareholders
MEDICINES CO shareholders Q1 2017
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