WELLINGTON MANAGEMENT GROUP LLP - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688AG0. A total of 42 filers reported holding MEDICINES CO in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2019$784,000
-14.3%
450,000
-40.7%
0.00%
Q3 2019$915,000
+20.6%
759,0000.0%0.00%
Q2 2019$759,000
+19.0%
759,0000.0%0.00%
Q1 2019$638,000
-28.2%
759,000
-35.7%
0.00%
Q4 2018$889,000
-16.9%
1,180,0000.0%0.00%
Q3 2018$1,070,000
+136.7%
1,180,000
+162.2%
0.00%
Q2 2018$452,000
+4.6%
450,0000.0%0.00%
Q1 2018$432,000
+5.1%
450,0000.0%0.00%
Q4 2017$411,000
-13.1%
450,0000.0%0.00%
Q3 2017$473,000450,0000.00%
Other shareholders
MEDICINES CO shareholders Q4 2018
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