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
Q1
Sell
-2,600
Closed -$34K 10346
2023
Q4
$34K Buy
2,600
+2,000
+333% +$25.3K ﹤0.01% 6467
2023
Q3
$7K Sell
600
-500
-45% -$6.05K ﹤0.01% 7492
2023
Q2
$13K Sell
1,100
-85,100
-99% -$1.06M ﹤0.01% 7211
2023
Q1
$1.06M Buy
86,200
+21,600
+33% +$254K ﹤0.01% 2542
2022
Q4
$740K Buy
64,600
+58,700
+995% +$483K ﹤0.01% 2771
2022
Q3
$22K Sell
5,900
-8,000
-58% -$36.9K ﹤0.01% 7446
2022
Q2
$82K Sell
13,900
-2,600
-16% -$14.7K ﹤0.01% 5837
2022
Q1
$104K Buy
16,500
+14,600
+768% +$82K ﹤0.01% 6087
2021
Q4
$7K Buy
+1,900
New +$8.25K ﹤0.01% 9378
2021
Q2
Sell
-15
Closed -$9K 11147
2021
Q1
$9K Sell
15
-86
-85% -$615 ﹤0.01% 7992
2020
Q4
$69K Buy
101
+62
+159% +$306 ﹤0.01% 5836
2020
Q3
$15K Buy
+39
New +$143 ﹤0.01% 6595
2020
Q2
Sell
-71
Closed -$15K 8863
2020
Q1
$15K Sell
71
-7
-9% -$20 ﹤0.01% 6208
2019
Q4
$24K Buy
78
+68
+680% +$272 ﹤0.01% 5830
2019
Q3
$4K Buy
+10
New +$50 ﹤0.01% 6761
2018
Q4
Sell
-6
Closed -$2K 8480
2018
Q3
$2K Buy
6
+1
+20% +$4 ﹤0.01% 7151
2018
Q2
$1K Buy
+5
New +$33 ﹤0.01% 7264
2018
Q1
Sell
-15
Closed -$4K 7501
2017
Q4
$4K Buy
+15
New +$140 ﹤0.01% 4823
2017
Q3
Sell
-124
Closed -$37K 7226
2017
Q2
$37K Sell
124
-69
-36% -$1.41K ﹤0.01% 2686
2017
Q1
$69K Buy
193
+157
+436% +$3.93K ﹤0.01% 2073
2016
Q4
$45K Buy
36
+32
+800% +$1.36K ﹤0.01% 2261
2016
Q3
$2K Sell
4
-7
-64% -$291 ﹤0.01% 5170
2016
Q2
$31K Buy
11
+2
+22% +$109 ﹤0.01% 2508
2016
Q1
$16K Sell
9
-1
-10% -$52 ﹤0.01% 3039
2015
Q4
$3K Sell
10
-27
-73% -$1.9K ﹤0.01% 4386
2015
Q3
$33K Buy
+37
New +$3.02K ﹤0.01% 2327
2015
Q1
Sell
-2
Closed -$1K 6056
2014
Q4
$1K Buy
+2
New +$146 ﹤0.01% 4462

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.