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DIMENSIONAL FUND ADVISORS LP

Position in WLK — Westlake Corp

CIK 354204 AUSTIN, TX

Position in WLK

as of Mar 31, 2026 · filed May 7, 2026
Position Value
$171,260,455
+$31,833,426 QoQ
Shares Held
1,466,020
-22.3% QoQ
Ownership
1.14%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 91.99015020258933.ToString("F0")% Shared 5.042564221497661.ToString("F0")% None 2.9672855759130163.ToString("F0")%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $6,739,389,089 across 47 Specialty Chemicals names. WLK ranks #11 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in WLK

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $171,260,455 1,466,020
2025-12-31 $139,427,029 1,885,678
2025-09-30 $100,196,493 1,300,240
2025-06-30 $96,823,580 1,275,169
2025-03-31 $93,995,087 939,669
2024-12-31 $107,097,085 934,122
2024-09-30 $133,844,964 890,578
2024-06-30 $134,241,186 926,952
2024-03-31 $148,127,832 969,423
2023-12-31 $143,608,196 1,026,066
2023-09-30 $137,454,781 1,102,549
2023-06-30 $149,561,026 1,251,871
2023-03-31 $170,542,787 1,470,450
2022-12-31 $175,223,938 1,708,835
2022-09-30 $185,781,410 2,138,368
2022-06-30 $223,231,040 2,277,403
2022-03-31 $281,302,269 2,279,597
2021-12-31 $221,487,772 2,280,323
2021-09-30 $210,524,468 2,309,902
2021-06-30 $205,263,398 2,278,426
2021-03-31 $207,110,044 2,332,583
2020-12-31 $191,338,454 2,344,834
2020-09-30 $148,148,799 2,343,385
2020-06-30 $121,993,071 2,273,869
2020-03-31 $73,279,224 1,919,812