UBS OCONNOR LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is and the CUSIP is 590328AA8. A total of 24 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
UBS OCONNOR LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2014$8,811,000,000
+15.9%
6,500,000
-13.3%
0.17%
+20.1%
Q1 2014$7,605,000,000
-26.9%
7,500,000
-25.0%
0.14%
-24.6%
Q4 2013$10,407,000,000
+4.1%
10,000,000
-9.1%
0.19%
-8.2%
Q3 2013$10,001,000,00011,000,0000.21%
Other shareholders

There were no reported owners of MERRIMACK PHARMACEUTICALS IN in Q1 2014.

NameSharesValueWeighting ↓
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders