THOMPSON DAVIS & CO., INC. - MERRIMACK PHARMACEUTICALS IN ownership

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MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 144 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2014. The put-call ratio across all filers is 2.36 and the average weighting 0.1%.

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Quarter-by-quarter ownership
THOMPSON DAVIS & CO., INC. ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2015$124,000
+4.2%
10,0000.0%0.14%0.0%
Q1 2015$119,000
+5.3%
10,0000.0%0.14%
+9.2%
Q4 2014$113,000
+156.8%
10,000
+100.0%
0.13%
+129.8%
Q3 2014$44,000–5,000–0.06%–
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Other shareholders

There were no reported owners of MERRIMACK PHARMACEUTICALS IN in Q4 2014.

NameSharesValueWeighting ↓
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders