TANG CAPITAL MANAGEMENT LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is and the CUSIP is 590328AA8. A total of 15 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2015. The put-call ratio across all filers is - and the average weighting 1.7%.

Quarter-by-quarter ownership
TANG CAPITAL MANAGEMENT LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2016$3,965,000
-24.2%
3,500,0000.0%1.77%
-25.8%
Q1 2016$5,233,000
+4.1%
3,500,0000.0%2.38%
+19.4%
Q4 2015$5,027,000
-4.4%
3,500,0000.0%2.00%
+2.9%
Q3 2015$5,259,000
-28.2%
3,500,0000.0%1.94%
-12.8%
Q2 2015$7,328,000
-34.3%
3,500,000
-36.4%
2.22%
-62.5%
Q1 2015$11,154,000
+9.1%
5,500,0000.0%5.93%
+5.8%
Q4 2014$10,225,000
+20.4%
5,500,0000.0%5.61%
+27.4%
Q3 2014$8,496,000
+13.4%
5,500,0000.0%4.40%
+26.9%
Q2 2014$7,490,0005,500,0003.47%
Other shareholders

There were no reported owners of MERRIMACK PHARMACEUTICALS IN in Q1 2015.

NameSharesValueWeighting ↓
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders