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
2022
Q4
Sell
-8,692
Closed -$71.6K 11171
2022
Q3
$32K Sell
8,692
-27,776
-76% -$128K ﹤0.01% 7010
2022
Q2
$216K Sell
36,468
-1,351
-4% -$7.62K ﹤0.01% 4509
2022
Q1
$239K Buy
+37,819
New +$212K ﹤0.01% 4899
2020
Q1
Sell
-2,512
Closed -$7.35K 8745
2019
Q4
$7K Sell
2,512
-872
-26% -$3.49K ﹤0.01% 6594
2019
Q3
$15K Buy
3,384
+2,177
+180% +$10.9K ﹤0.01% 6036
2019
Q2
$5K Buy
1,207
+1,089
+923% +$5.16K ﹤0.01% 6502
2019
Q1
$0 Buy
+118
New +$542 ﹤0.01% 8414
2018
Q4
Sell
-656
Closed -$2K 8479
2018
Q3
$2K Sell
656
-497
-43% -$2.09K ﹤0.01% 7150
2018
Q2
$4K Buy
+1,153
New +$7.66K ﹤0.01% 6863
2018
Q1
Sell
-1,008
Closed -$8.34K 7500
2017
Q4
$8K Sell
1,008
-4,344
-81% -$40.5K ﹤0.01% 4154
2017
Q3
$61K Sell
5,352
-10,413
-66% -$109K ﹤0.01% 2138
2017
Q2
$153K Buy
15,765
+10,630
+207% +$217K 0.01% 1411
2017
Q1
$124K Sell
5,135
-2,657
-34% -$66.5K 0.01% 1564
2016
Q4
$250K Sell
7,792
-1,628
-17% -$69.4K 0.01% 899
2016
Q3
$470K Buy
9,420
+8,551
+984% +$355K 0.03% 541
2016
Q2
$36K Sell
869
-103
-11% -$5.61K ﹤0.01% 2378
2016
Q1
$63K Sell
972
-658
-40% -$34.3K 0.01% 1757
2015
Q4
$101K Buy
+1,630
New +$115K 0.01% 1358
2015
Q3
Sell
-807
Closed -$65.9K 6662
2015
Q2
$78K Buy
+807
New +$76.8K 0.01% 1366

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.