PRINCIPAL FINANCIAL GROUP INC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 4 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
PRINCIPAL FINANCIAL GROUP INC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2017$25,000
-59.7%
20,558
+3.0%
0.00%
Q1 2017$62,000
-28.7%
19,968
-6.1%
0.00%
Q4 2016$87,000
-35.6%
21,2590.0%0.00%
Q3 2016$135,000
+17.4%
21,2590.0%0.00%
Q2 2016$115,000
-32.0%
21,259
+5.0%
0.00%
Q1 2016$169,000
+11.9%
20,249
+5.8%
0.00%
Q4 2015$151,000
-5.0%
19,135
+2.7%
0.00%
Q3 2015$159,000
-34.0%
18,634
-4.5%
0.00%
Q2 2015$241,000
+9.5%
19,522
+5.1%
0.00%
Q1 2015$220,000
+14.0%
18,578
+8.6%
0.00%
Q4 2014$193,000
+27.0%
17,113
-1.2%
0.00%
Q3 2014$152,000
+16.0%
17,322
-3.7%
0.00%
Q2 2014$131,000
-23.8%
17,984
-60.2%
0.00%
Q3 2013$172,00045,2320.00%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q3 2017
NameSharesValueWeighting ↓
DAFNA Capital Management LLC 514,853$2,595,0002.23%
GARRISON BRADFORD & ASSOCIATES INC 98,001$494,0000.48%
Catalyst Capital Advisors LLC 380,896$1,920,0000.44%
Knoll Capital Management, LLC 160,585$809,0000.42%
Tekla Capital Management LLC 757,050$3,816,0000.38%
FULLER & THALER ASSET MANAGEMENT, INC. 524,800$2,645,0000.13%
Integre Asset Management, LLC 103,493$522,0000.12%
CAMBRIDGE TRUST CO 220,003$1,109,0000.10%
JAMISON EATON & WOOD INC /NJ 62,782$316,0000.09%
STONERIDGE INVESTMENT PARTNERS LLC 88,304$445,0000.09%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders