WESTLAKE CORP (WLK)
SEC filings, insider trading & institutional ownership from EDGAR.
Institutions
39
$1.81B held
Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
No filings are available yet.
Top holders
13F & 13D/G · latest quarter
| Holder | Filed | Value |
|---|---|---|
| BlackRock, Inc. | Aug 7, 2026 | $240.47M |
| Capital World Investors | Aug 12, 2026 | $207.49M |
| T. Rowe Price Associates, Inc. | Aug 14, 2026 | $161.09M |
| Dimensional Fund Advisors LP | Aug 11, 2026 | $149.78M |
| Vanguard Portfolio Management | Aug 13, 2026 | $127.94M |
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Data as of Sep 15, 2026Source: SEC EDGAR.