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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in WLK — Westlake Corp

CIK 2100121 MALVERN, PA

Position in WLK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$127,941,771
-$78,807,199 QoQ
Shares Held
1,752,627
-1.0% QoQ
Ownership
1.37%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#6
of 358 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $24,106,660,368 across 47 Specialty Chemicals names. WLK ranks #28 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in WLK

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $127,941,771 1,752,627
2026-03-31 $206,748,970 1,769,808