American Century Companies’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
$2.34M Buy
20,020
+1,719
+9% +$167K ﹤0.01% 2068
2025
Q4
$1.35M Buy
18,301
+190
+1% +$13.5K ﹤0.01% 2231
2025
Q3
$1.4M Buy
18,111
+55
+0.3% +$4.58K ﹤0.01% 2191
2025
Q2
$1.37M Sell
18,056
-4,588
-20% -$375K ﹤0.01% 2156
2025
Q1
$2.27M Sell
22,644
-20,016
-47% -$2.22M ﹤0.01% 1939
2024
Q4
$4.89M Sell
42,660
-6,678
-14% -$869K ﹤0.01% 1614
2024
Q3
$7.42M Buy
49,338
+4,289
+10% +$617K ﹤0.01% 1435
2024
Q2
$6.52M Buy
45,049
+5,706
+15% +$876K ﹤0.01% 1415
2024
Q1
$6.01M Sell
39,343
-20,856
-35% -$2.94M ﹤0.01% 1397
2023
Q4
$8.43M Sell
60,199
-66,484
-52% -$8.44M 0.01% 1219
2023
Q3
$15.8M Sell
126,683
-7,487
-6% -$961K 0.01% 885
2023
Q2
$16M Sell
134,170
-27,867
-17% -$3.19M 0.01% 864
2023
Q1
$18.8M Buy
162,037
+140,653
+658% +$16.2M 0.01% 775
2022
Q4
$2.19M Buy
21,384
+5,346
+33% +$539K ﹤0.01% 1520
2022
Q3
$1.39M Buy
16,038
+3,684
+30% +$353K ﹤0.01% 1572
2022
Q2
$1.21M Buy
12,354
+4,252
+52% +$521K ﹤0.01% 1610
2022
Q1
$1M Buy
8,102
+1,553
+24% +$169K ﹤0.01% 1682
2021
Q4
$636K Buy
6,549
+2,082
+47% +$203K ﹤0.01% 1819
2021
Q3
$407K Buy
4,467
+815
+22% +$69.8K ﹤0.01% 1963
2021
Q2
$329K Buy
3,652
+968
+36% +$94K ﹤0.01% 2026
2021
Q1
$238K Buy
+2,684
New +$233K ﹤0.01% 2023
2018
Q1
Sell
-57,577
Closed -$6.13M 1345
2017
Q4
$6.13M Buy
+57,577
New +$5.33M 0.01% 803
2016
Q1
Sell
-8,180
Closed -$444K 1377
2015
Q4
$444K Hold
8,180
﹤0.01% 1215
2015
Q3
$424K Buy
8,180
+2,924
+56% +$171K ﹤0.01% 1242
2015
Q2
$361K Buy
+5,256
New +$382K ﹤0.01% 1265
2015
Q1
Sell
-168,247
Closed -$10.3M 1448
2014
Q4
$10.3M Sell
168,247
-228,843
-58% -$15.6M 0.01% 690
2014
Q3
$34.4M Sell
397,090
-81,017
-17% -$7.33M 0.04% 434
2014
Q2
$40M Sell
478,107
-146,509
-23% -$11M 0.05% 413
2014
Q1
$41.3M Sell
624,616
-99,330
-14% -$6.31M 0.05% 403
2013
Q4
$44.2M Sell
723,946
-24,160
-3% -$1.36M 0.05% 373
2013
Q3
$39.1M Sell
748,106
-157,910
-17% -$8.05M 0.05% 382
2013
Q2
$43.7M Buy
+906,016
New +$40.7M 0.06% 360

Other funds holding WLK

American Century Companies's WLK Position: Q1 2026 in Review

American Century Companies increased its Westlake Corp (WLK) stake by 9.4% in Q1 2026, buying an estimated $167K and bringing the position to 20,020 shares worth $2.34M. The position accounts for ﹤0.01% of the portfolio, ranked #2068.

American Century Companies first reported a position in WLK in Q2 2013 and has held it in 32 quarters since. The position peaked at $44.2M in Q4 2013. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • American Century Companies held 20,020 shares of Westlake Corp worth $2.34M as of Q1 2026.
  • American Century Companies bought 1,719 Westlake Corp shares in Q1 2026, an estimated $167K.
  • Westlake Corp made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2068 holding.
  • American Century Companies first reported a position in Westlake Corp in Q2 2013 and has held it in 32 quarters since.
  • American Century Companies's Westlake Corp position peaked at $44.2M in Q4 2013.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.