SpiderRock Trading LLC - MEDICINES CO ownership

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MEDICINES CO's ticker is and the CUSIP is 58468810. A total of 1 filers reported holding MEDICINES CO in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2014$81,000
+145.5%
5,206
+131.5%
0.22%
+97.4%
Q3 2014$33,000
-15.4%
2,249
+32.3%
0.11%
-32.5%
Q2 2014$39,000
+178.6%
1,700
+240.0%
0.17%
+134.7%
Q1 2014$14,000–500–0.07%–
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Other shareholders
MEDICINES CO shareholders Q1 2015
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 10,800$303,0000.00%
View complete list of MEDICINES CO shareholders