Simplex Trading’s Westlake Corp WLK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-1,981
Closed -$192K 10317
2025
Q4
$146K Buy
+1,981
New +$141K ﹤0.01% 4566
2025
Q2
Sell
-146
Closed -$11.9K 9865
2025
Q1
$14K Sell
146
-2,083
-93% -$231K ﹤0.01% 6869
2024
Q4
$255K Buy
+2,229
New +$290K ﹤0.01% 4251
2024
Q3
Sell
-1,722
Closed -$248K 9714
2024
Q2
$249K Buy
+1,722
New +$264K ﹤0.01% 4436
2023
Q1
Sell
-41
Closed -$4.73K 10263
2022
Q4
$4K Sell
41
-4,641
-99% -$468K ﹤0.01% 8278
2022
Q3
$406K Buy
4,682
+288
+7% +$27.6K ﹤0.01% 3709
2022
Q2
$430K Buy
4,394
+4,163
+1,802% +$510K ﹤0.01% 3637
2022
Q1
$28K Buy
231
+31
+16% +$3.38K ﹤0.01% 7870
2021
Q4
$19K Sell
200
-912
-82% -$88.9K ﹤0.01% 8431
2021
Q3
$101K Hold
1,112
﹤0.01% 6616
2021
Q2
$100K Sell
1,112
-89
-7% -$8.64K ﹤0.01% 6730
2021
Q1
$106K Buy
+1,201
New +$104K ﹤0.01% 5672
2020
Q2
Sell
-12,178
Closed -$561K 8473
2020
Q1
$464K Buy
+12,178
New +$685K ﹤0.01% 2676
2019
Q1
Sell
-12,562
Closed -$910K 7964
2018
Q4
$831K Buy
12,562
+7,658
+156% +$553K ﹤0.01% 1784
2018
Q3
$407K Buy
+4,904
New +$480K ﹤0.01% 2845
2018
Q1
Sell
-3,297
Closed -$367K 6964
2017
Q4
$351K Buy
+3,297
New +$305K 0.02% 904
2017
Q3
Sell
-7,875
Closed -$578K 6745
2017
Q2
$521K Buy
+7,875
New +$500K 0.02% 630
2016
Q3
Sell
-5,262
Closed -$254K 6539
2016
Q2
$225K Buy
5,262
+4,966
+1,678% +$227K 0.02% 918
2016
Q1
$13K Buy
+296
New +$13.4K ﹤0.01% 3236
2015
Q4
Sell
-4,562
Closed -$264K 6233
2015
Q3
$236K Buy
4,562
+4,144
+991% +$242K 0.02% 815
2015
Q2
$28K Buy
418
+100
+31% +$7.28K ﹤0.01% 2168
2015
Q1
$22K Buy
318
+60
+23% +$3.84K ﹤0.01% 2270
2014
Q4
$16K Buy
+258
New +$17.6K ﹤0.01% 2232

Other funds holding WLK

Simplex Trading's WLK Position: Q1 2026 in Review

Simplex Trading sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 1,981 shares — an estimated $192K sold.

Simplex Trading first reported a position in WLK in Q4 2014 and held it in 23 quarters. The position peaked at $831K in Q4 2018. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Simplex Trading reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 1,981 Westlake Corp shares in Q1 2026, an estimated $192K.
  • Simplex Trading first reported a position in Westlake Corp in Q4 2014 and held it in 23 quarters.
  • Simplex Trading's Westlake Corp position peaked at $831K in Q4 2018.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.