Simplex Trading’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2024
Q3
Sell
-33,800
Closed -$3K 9951
2024
Q2
$3K Sell
33,800
-6,400
-16% -$95K ﹤0.01% 8204
2024
Q1
$593K Sell
40,200
-5,700
-12% -$80.1K ﹤0.01% 3683
2023
Q4
$615K Sell
45,900
-10,300
-18% -$130K ﹤0.01% 3479
2023
Q3
$692K Buy
56,200
+40,200
+251% +$487K ﹤0.01% 3046
2023
Q2
$196K Sell
16,000
-49,500
-76% -$619K ﹤0.01% 4315
2023
Q1
$804K Buy
65,500
+30,900
+89% +$363K ﹤0.01% 2792
2022
Q4
$396K Buy
34,600
+21,700
+168% +$179K ﹤0.01% 3423
2022
Q3
$48K Buy
12,900
+7,000
+119% +$32.3K ﹤0.01% 6518
2022
Q2
$35K Sell
5,900
-3,300
-36% -$18.6K ﹤0.01% 6969
2022
Q1
$58K Sell
9,200
-6,300
-41% -$35.4K ﹤0.01% 6951
2021
Q4
$60K Buy
15,500
+11,100
+252% +$48.2K ﹤0.01% 7025
2021
Q3
$27K Hold
4,400
﹤0.01% 8185
2021
Q2
$28K Buy
4,400
+4,176
+1,864% +$27.6K ﹤0.01% 8303
2021
Q1
$140K Sell
224
-510
-69% -$3.65K ﹤0.01% 5285
2020
Q4
$505K Sell
734
-79
-10% -$390 ﹤0.01% 3410
2020
Q3
$325K Buy
813
+701
+626% +$2.58K ﹤0.01% 3518
2020
Q2
$37K Buy
112
+39
+53% +$133 ﹤0.01% 5766
2020
Q1
$15K Buy
73
+39
+115% +$114 ﹤0.01% 6207
2019
Q4
$10K Buy
+34
New +$136 ﹤0.01% 6412
2018
Q4
Sell
-32
Closed -$13K 8478
2018
Q3
$13K Sell
32
-325
-91% -$1.37K ﹤0.01% 6291
2018
Q2
$137K Buy
+357
New +$2.37K ﹤0.01% 3932
2017
Q2
Sell
-60
Closed -$6K 7337
2017
Q1
$6K Buy
60
+53
+757% +$1.33K ﹤0.01% 4522
2016
Q4
$1K Sell
7
-47
-87% -$2K ﹤0.01% 5688
2016
Q3
$63K Buy
54
+19
+54% +$789 ﹤0.01% 1917
2016
Q2
$2K Buy
35
+2
+6% +$109 ﹤0.01% 5126
2016
Q1
$13K Buy
+33
New +$1.72K ﹤0.01% 3257
2015
Q4
Sell
-42
Closed -$18K 6646
2015
Q3
$18K Buy
+42
New +$3.43K ﹤0.01% 2939
2015
Q2
Sell
-8
Closed -$33K 6284
2015
Q1
$33K Sell
8
-1
-11% -$85 ﹤0.01% 1893
2014
Q4
$12K Buy
+9
New +$656 ﹤0.01% 2492

Simplex Trading's MACK Position: Q4 2022 in Review

Simplex Trading sold out of Merrimack Pharmaceuticals, Inc. (MACK) in Q4 2022, closing a stake of 8,692 shares — an estimated $71.6K sold.

Simplex Trading first reported a position in MACK in Q2 2015 and held it in 19 quarters. The position peaked at $470K in Q3 2016. 47 funds tracked by Wall St. Rank hold MACK as of Q4 2022.

  • Simplex Trading reported no remaining Merrimack Pharmaceuticals, Inc. position as of Q4 2022 after selling out during the quarter.
  • Simplex Trading sold 8,692 Merrimack Pharmaceuticals, Inc. shares in Q4 2022, an estimated $71.6K.
  • Simplex Trading first reported a position in Merrimack Pharmaceuticals, Inc. in Q2 2015 and held it in 19 quarters.
  • Simplex Trading's Merrimack Pharmaceuticals, Inc. position peaked at $470K in Q3 2016.
  • 47 funds tracked by Wall St. Rank held Merrimack Pharmaceuticals, Inc. as of Q4 2022.

Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.