DOSSIER · 13F Holders · Q1 2026Healthcare · Industrial Organic Chemicals
WLK
WESTLAKE CORPORATION
367 institutions still hold WESTLAKE CORPORATION as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 960413102·Industrial Organic Chemicals·367 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
367 institutions reported WLK in Q1 2026. Orbis Allan Gray Ltd leads at 17.1% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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