Dimensional Fund Advisors’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 | $171M | Sell |
1,466,020
-419,658
| -22% | -$40.7M | 0.04% | 684 |
|
|
2025
Q4 | $139M | Buy |
1,885,678
+585,438
| +45% | +$41.7M | 0.03% | 814 |
|
|
2025
Q3 | $100M | Buy |
1,300,240
+25,071
| +2% | +$2.09M | 0.02% | 1058 |
|
|
2025
Q2 | $96.8M | Buy |
1,275,169
+335,500
| +36% | +$27.5M | 0.02% | 1037 |
|
|
2025
Q1 | $94M | Buy |
939,669
+5,547
| +0.6% | +$614K | 0.02% | 1021 |
|
|
2024
Q4 | $107M | Buy |
934,122
+43,544
| +5% | +$5.67M | 0.03% | 965 |
|
|
2024
Q3 | $134M | Sell |
890,578
-36,374
| -4% | -$5.23M | 0.03% | 795 |
|
|
2024
Q2 | $134M | Sell |
926,952
-42,471
| -4% | -$6.52M | 0.04% | 711 |
|
|
2024
Q1 | $148M | Sell |
969,423
-56,643
| -6% | -$7.97M | 0.04% | 646 |
|
|
2023
Q4 | $144M | Sell |
1,026,066
-76,483
| -7% | -$9.71M | 0.04% | 609 |
|
|
2023
Q3 | $137M | Sell |
1,102,549
-149,322
| -12% | -$19.2M | 0.05% | 555 |
|
|
2023
Q2 | $150M | Sell |
1,251,871
-218,579
| -15% | -$25M | 0.05% | 512 |
|
|
2023
Q1 | $171M | Sell |
1,470,450
-238,385
| -14% | -$27.5M | 0.06% | 402 |
|
|
2022
Q4 | $175K | Sell |
1,708,835
-429,533
| -20% | -$43.3M | 0.05% | 394 |
|
|
2022
Q3 | $186M | Sell |
2,138,368
-139,035
| -6% | -$13.3M | 0.07% | 311 |
|
|
2022
Q2 | $223M | Sell |
2,277,403
-2,194
| -0.1% | -$269K | 0.08% | 252 |
|
|
2022
Q1 | $281M | Sell |
2,279,597
-726
| -0% | -$79.2K | 0.09% | 224 |
|
|
2021
Q4 | $221M | Sell |
2,280,323
-29,579
| -1% | -$2.88M | 0.07% | 325 |
|
|
2021
Q3 | $211M | Buy |
2,309,902
+31,476
| +1% | +$2.7M | 0.07% | 321 |
|
|
2021
Q2 | $205M | Sell |
2,278,426
-54,157
| -2% | -$5.26M | 0.07% | 334 |
|
|
2021
Q1 | $207M | Sell |
2,332,583
-12,251
| -0.5% | -$1.06M | 0.07% | 312 |
|
|
2020
Q4 | $191M | Buy |
2,344,834
+1,449
| +0.1% | +$108K | 0.07% | 303 |
|
|
2020
Q3 | $148M | Buy |
2,343,385
+69,516
| +3% | +$4.11M | 0.06% | 318 |
|
|
2020
Q2 | $122M | Buy |
2,273,869
+354,057
| +18% | +$16.3M | 0.05% | 414 |
|
|
2020
Q1 | $73.3M | Buy |
1,919,812
+359,503
| +23% | +$20.2M | 0.04% | 653 |
|
|
2019
Q4 | $109M | Buy |
1,560,309
+66,130
| +4% | +$4.44M | 0.04% | 650 |
|
|
2019
Q3 | $97.9M | Buy |
1,494,179
+101,701
| +7% | +$6.55M | 0.04% | 699 |
|
|
2019
Q2 | $96.7M | Buy |
1,392,478
+213,191
| +18% | +$14.2M | 0.04% | 711 |
|
|
2019
Q1 | $80M | Buy |
1,179,287
+6,462
| +0.6% | +$468K | 0.03% | 879 |
|
|
2018
Q4 | $77.6M | Buy |
1,172,825
+8,496
| +0.7% | +$614K | 0.04% | 783 |
|
|
2018
Q3 | $96.8M | Buy |
1,164,329
+33,918
| +3% | +$3.32M | 0.04% | 729 |
|
|
2018
Q2 | $122M | Buy |
1,130,411
+3,499
| +0.3% | +$392K | 0.05% | 505 |
|
|
2018
Q1 | $125M | Sell |
1,126,912
-5,435
| -0.5% | -$605K | 0.05% | 464 |
|
|
2017
Q4 | $121M | Sell |
1,132,347
-25,915
| -2% | -$2.4M | 0.05% | 495 |
|
|
2017
Q3 | $96.2M | Sell |
1,158,262
-28,099
| -2% | -$2.06M | 0.04% | 612 |
|
|
2017
Q2 | $78.5M | Sell |
1,186,361
-25,815
| -2% | -$1.64M | 0.04% | 729 |
|
|
2017
Q1 | $80.1M | Sell |
1,212,176
-4,295
| -0.4% | -$272K | 0.04% | 688 |
|
|
2016
Q4 | $68.1M | Sell |
1,216,471
-120,881
| -9% | -$6.6M | 0.03% | 789 |
|
|
2016
Q3 | $71.5M | Buy |
1,337,352
+69,480
| +5% | +$3.35M | 0.04% | 682 |
|
|
2016
Q2 | $54.4M | Buy |
1,267,872
+51,107
| +4% | +$2.33M | 0.03% | 882 |
|
|
2016
Q1 | $56.3M | Buy |
1,216,765
+261,577
| +27% | +$11.9M | 0.03% | 788 |
|
|
2015
Q4 | $51.9M | Sell |
955,188
-76,071
| -7% | -$4.41M | 0.03% | 817 |
|
|
2015
Q3 | $53.5M | Buy |
1,031,259
+229,161
| +29% | +$13.4M | 0.04% | 745 |
|
|
2015
Q2 | $55M | Buy |
802,098
+11,109
| +1% | +$808K | 0.03% | 770 |
|
|
2015
Q1 | $56.9M | Sell |
790,989
-142,653
| -15% | -$9.14M | 0.04% | 713 |
|
|
2014
Q4 | $57M | Sell |
933,642
-172,379
| -16% | -$11.7M | 0.04% | 651 |
|
|
2014
Q3 | $95.8M | Sell |
1,106,021
-3,280
| -0.3% | -$297K | 0.07% | 314 |
|
|
2014
Q2 | $92.9M | Sell |
1,109,301
-8,837
| -0.8% | -$662K | 0.06% | 338 |
|
|
2014
Q1 | $74M | Sell |
1,118,138
-285,158
| -20% | -$18.1M | 0.06% | 402 |
|
|
2013
Q4 | $85.6M | Sell |
1,403,296
-646,430
| -32% | -$36.3M | 0.07% | 323 |
|
|
2013
Q3 | $107M | Sell |
2,049,726
-828,278
| -29% | -$42.2M | 0.09% | 208 |
|
|
2013
Q2 | $139M | Buy |
+2,878,004
| New | +$129M | 0.13% | 124 |
|
Other funds holding WLK
OAG
BIP
VPM
VCM
Dimensional Fund Advisors's WLK Position: Q1 2026 in Review
Dimensional Fund Advisors reduced its Westlake Corp (WLK) stake by 22% in Q1 2026, selling an estimated $40.7M and leaving 1,466,020 shares worth $171M. The position accounts for 0.04% of the portfolio, ranked #684.
Dimensional Fund Advisors first reported a position in WLK in Q2 2013 and has held it in 52 quarters since. The position peaked at $281M in Q1 2022. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.
- Dimensional Fund Advisors held 1,466,020 shares of Westlake Corp worth $171M as of Q1 2026.
- Dimensional Fund Advisors sold 419,658 Westlake Corp shares in Q1 2026, an estimated $40.7M.
- Westlake Corp made up 0.04% of Dimensional Fund Advisors's portfolio in Q1 2026, its #684 holding.
- Dimensional Fund Advisors first reported a position in Westlake Corp in Q2 2013 and has held it in 52 quarters since.
- Dimensional Fund Advisors's Westlake Corp position peaked at $281M in Q1 2022.
- 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.
Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.