Horizon Kinetics - MERRIMACK PHARMACEUTICALS IN ownership

Quarter-by-quarter ownership
Horizon Kinetics ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2017$31,000
-59.7%
25,0000.0%0.00%
-50.0%
Q1 2017$77,000
-24.5%
25,0000.0%0.00%
-33.3%
Q4 2016$102,000
-35.8%
25,0000.0%0.00%
-25.0%
Q3 2016$159,000
+17.8%
25,0000.0%0.00%
+33.3%
Q2 2016$135,000
-35.4%
25,0000.0%0.00%
-40.0%
Q1 2016$209,000
+5.6%
25,0000.0%0.01%
+25.0%
Q4 2015$198,000
-7.0%
25,0000.0%0.00%0.0%
Q3 2015$213,000
-9.4%
25,000
+31.6%
0.00%
+33.3%
Q2 2015$235,000
+4.0%
19,0000.0%0.00%0.0%
Q1 2015$226,000
+66.2%
19,000
+58.3%
0.00%
+50.0%
Q4 2014$136,000
+29.5%
12,0000.0%0.00%
+100.0%
Q3 2014$105,000
+20.7%
12,0000.0%0.00%0.0%
Q2 2014$87,000
+45.0%
12,0000.0%0.00%0.0%
Q1 2014$60,00012,0000.00%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q3 2023
NameSharesValueWeighting ↓
GARRISON BRADFORD & ASSOCIATES INC 98,001$661,0000.71%
Tekla Capital Management LLC 537,600$3,618,0000.49%
CAMBRIDGE TRUST CO 239,003$1,611,0000.17%
FARALLON CAPITAL MANAGEMENT LLC 1,067,538$7,185,0000.14%
Asset Management Group, Inc. 29,453$199,0000.14%
Magnetar Financial LLC 754,837$5,080,0000.11%
Trellus Management Company, LLC 11,000$74,0000.09%
JAMISON EATON & WOOD INC /NJ 42,042$283,0000.08%
WESTFIELD CAPITAL MANAGEMENT CO LP 1,491,850$10,055,0000.07%
NORTH AMERICAN MANAGEMENT CORP 45,000$303,0000.06%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders