Citadel Advisors - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688AG0. A total of 46 filers reported holding MEDICINES CO in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2018$11,265,000
-67.6%
15,000,000
-60.5%
0.01%
-62.5%
Q3 2018$34,792,000
-19.4%
38,019,000
-11.6%
0.02%
-23.8%
Q2 2018$43,170,000
+29.8%
43,019,000
+24.7%
0.02%
+16.7%
Q1 2018$33,263,000
+29.2%
34,500,000
+23.2%
0.02%
+12.5%
Q4 2017$25,748,000
-2.1%
28,000,000
+12.0%
0.02%
-20.0%
Q3 2017$26,290,000
-44.3%
25,000,000
-44.4%
0.02%
-50.0%
Q2 2017$47,190,00045,000,0000.04%
Other shareholders
MEDICINES CO shareholders Q4 2017
NameSharesValueWeighting ↓
Man Investments (CH) AG 3,000,000$2,762,0002.59%
PT ASSET MANAGEMENT, LLC 3,750,000$3,448,0001.87%
ARISTEIA CAPITAL, L.L.C. 32,500,000$29,921,0001.27%
ZAZOVE ASSOCIATES LLC 22,710,000$20,905,0001.23%
PFM Health Sciences, LP 34,471,000$31,692,0000.75%
CAPSTONE INVESTMENT ADVISORS, LLC 24,215,000$22,262,0000.63%
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 36,000,000$33,075,000,0000.59%
Partner Investment Management, L.P. 479,000$440,0000.51%
SSI INVESTMENT MANAGEMENT LLC 4,808,000$4,398,0000.37%
WOLVERINE ASSET MANAGEMENT LLC 32,315,000$29,732,0000.30%
View complete list of MEDICINES CO shareholders