CHARLES SCHWAB INVESTMENT MANAGEMENT INC - MERRIMACK PHARMACEUTICALS IN ownership

Quarter-by-quarter ownership
CHARLES SCHWAB INVESTMENT MANAGEMENT INC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q3 2023$365,313
+0.2%
29,6280.0%0.00%
Q2 2023$364,424
+151.3%
29,628
+0.4%
0.00%
Q2 2018$145,000
-66.4%
29,520
-44.9%
0.00%
Q1 2018$432,000
-24.7%
53,583
-4.2%
0.00%
Q4 2017$574,000
-26.8%
55,921
+3.8%
0.00%
-100.0%
Q3 2017$784,00053,8930.00%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q4 2023
NameSharesValueWeighting ↓
Newtyn Management, LLC 362,335$3,714,0000.57%
Rubric Capital Management LP 410,244$4,205,0000.52%
WITTENBERG INVESTMENT MANAGEMENT, INC. 83,811$859,0000.37%
Yakira Capital Management, Inc. 83,969$861,0000.28%
KEMPNER CAPITAL MANAGEMENT INC. 14,898$153,0000.10%
STONEBRIDGE CAPITAL MANAGEMENT INC 18,550$200,0000.07%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 66,498$681,0000.05%
Cannell & Co. 75,467$774,0000.03%
Trexquant Investment LP 21,347$219,0000.02%
PDT Partners, LLC 58,004$595,0000.02%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders