Renaissance Technologies
MACK

Renaissance Technologies’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Renaissance Technologies’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
2024
Q2 		– Sell
-162,184
Closed -$2.4M – 4117
2024
Q1 		$2.4M Buy
162,184
+113,284
+232% +$1.59M ﹤0.01% 1911
2023
Q4 		$656K Buy
+48,900
New +$618K ﹤0.01% 2649
2022
Q1 		– Sell
-19,461
Closed -$76K – 4667
2021
Q4 		$76K Sell
19,461
-43,059
-69% -$187K ﹤0.01% 3730
2021
Q3 		$302K Sell
62,520
-39,450
-39% -$206K ﹤0.01% 3082
2021
Q2 		$652K Sell
101,970
-86,191
-46% -$569K ﹤0.01% 2858
2021
Q1 		$1.18M Buy
188,161
+11,300
+6% +$80.8K ﹤0.01% 2540
2020
Q4 		$1.22M Buy
+176,861
New +$872K ﹤0.01% 2402
2020
Q1 		– Sell
-33,961
Closed -$107K – 4027
2019
Q4 		$107K Buy
+33,961
New +$136K ﹤0.01% 3309
2018
Q2 		– Sell
-294,997
Closed -$1.87M – 3722
2018
Q1 		$1.87M Buy
+294,997
New +$2.44M ﹤0.01% 2358
2016
Q3 		– Sell
-94,666
Closed -$4.01M – 3603
2016
Q2 		$4.01M Buy
94,666
+13,752
+17% +$749K 0.01% 1752
2016
Q1 		$5.33M Buy
+80,914
New +$4.22M 0.01% 1574
2015
Q3 		– Sell
-2,175
Closed -$212K – 3507
2015
Q2 		$212K Buy
+2,175
New +$207K ﹤0.01% 2970
2015
Q1 		– Sell
-32,463
Closed -$2.89M – 3457
2014
Q4 		$2.89M Sell
32,463
-8,363
-20% -$609K 0.01% 1593
2014
Q3 		$2.82M Sell
40,826
-31,546
-44% -$1.69M 0.01% 1483
2014
Q2 		$4.15M Buy
+72,372
New +$3.67M 0.01% 1333

Other funds holding MACK

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
RA
Rise Advisors Rochester, New York $355M AUM 20.51% 1-Year Est. Return
JC
JBF Capital Aspen, Colorado $676M AUM 24.74% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Renaissance Technologies's MACK Position: Q2 2024 in Review

Renaissance Technologies sold out of Merrimack Pharmaceuticals, Inc. (MACK) in Q2 2024, closing a stake of 162,184 shares — an estimated $2.4M sold.

Renaissance Technologies first reported a position in MACK in Q2 2014 and held it in 15 quarters. The position peaked at $5.33M in Q1 2016. 12 funds tracked by Wall St. Rank hold MACK as of Q2 2024.

  • Renaissance Technologies reported no remaining Merrimack Pharmaceuticals, Inc. position as of Q2 2024 after selling out during the quarter.
  • Renaissance Technologies sold 162,184 Merrimack Pharmaceuticals, Inc. shares in Q2 2024, an estimated $2.4M.
  • Renaissance Technologies first reported a position in Merrimack Pharmaceuticals, Inc. in Q2 2014 and held it in 15 quarters.
  • Renaissance Technologies's Merrimack Pharmaceuticals, Inc. position peaked at $5.33M in Q1 2016.
  • 12 funds tracked by Wall St. Rank held Merrimack Pharmaceuticals, Inc. as of Q2 2024.

Based on Renaissance Technologies's 13F filing for Q2 2024, filed 9 Aug 2024.