D.E. Shaw & Co
MACK

D.E. Shaw & Co’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

D.E. Shaw & Co’s Portfolio MACK Stock Details MACK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q3 		– Sell
-24,895
Closed -$119K – 4238
2019
Q2 		$119K Sell
24,895
-110,648
-82% -$524K ﹤0.01% 3534
2019
Q1 		$741K Buy
135,543
+65,480
+93% +$301K ﹤0.01% 2776
2018
Q4 		$213K Buy
70,063
+30,724
+78% +$107K ﹤0.01% 3517
2018
Q3 		$165K Buy
+39,339
New +$166K ﹤0.01% 3581
2017
Q3 		– Sell
-2,398
Closed -$23K – 3797
2017
Q2 		$23K Sell
2,398
-7,053
-75% -$144K ﹤0.01% 3324
2017
Q1 		$229K Buy
9,451
+8,025
+563% +$201K ﹤0.01% 3075
2016
Q4 		$46K Sell
1,426
-1,701
-54% -$72.5K ﹤0.01% 3388
2016
Q3 		$156K Buy
+3,127
New +$130K ﹤0.01% 3236
2015
Q4 		– Sell
-5,232
Closed -$350K – 4108
2015
Q3 		$350K Buy
+5,232
New +$427K ﹤0.01% 3275
2015
Q1 		– Sell
-8,686
Closed -$772K – 4279
2014
Q4 		$772K Sell
8,686
-12,884
-60% -$939K ﹤0.01% 3017
2014
Q3 		$1.49M Buy
+21,570
New +$1.15M ﹤0.01% 2466
2014
Q1 		– Sell
-2,683
Closed -$113K – 4935
2013
Q4 		$113K Sell
2,683
-228
-8% -$6.61K ﹤0.01% 4359
2013
Q3 		$87K Buy
2,911
+1,405
+93% +$49.2K ﹤0.01% 4200
2013
Q2 		$80K Buy
+1,506
New +$66K ﹤0.01% 3890

Other funds holding MACK

2L
22NW LP Seattle, Washington $146M AUM 29.83% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
WSL
Western Standard LLC Los Angeles, California $190M AUM 40.88% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $1.6B AUM 121.58% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
SC
Sepio Capital Salt Lake City, Utah $1.84B AUM 18.57% 1-Year Est. Return
WIM
Wittenberg Investment Management Carlisle, Massachusetts $269M AUM 28.17% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return