Westlake Corporation (WLK)
WLK trades on NYSE in Industrials, Major Chemicals. Numbers below come from the Nasdaq screener and SEC filings, each with its source.
Price · October 14, 2026
$61.86
+0.02% on the day
Market cap
$7.9B
Mid cap
Revenue · 2025
$11.2B
-8.0% on 2024
Net income · 2025
-$1.5B
-13.5% net margin
Price, change, market cap, sector and industry: Nasdaq stock screener, as of October 14, 2026. Revenue: SEC XBRL frames, calendar 2025.
Profile
| Field | Value |
|---|---|
| Ticker | WLK on NYSE |
| Sector | Industrials |
| Industry | Major Chemicals |
| Country | United States |
| IPO year | 2004 |
| SEC CIK | 0001262823 |
| SEC industry code | Industrial Organic Chemicals |
| Incorporated in | DE |
Financials · 2025
| Line | Value |
|---|---|
| Revenue | $11.2B |
| Net income | -$1.5B |
| Operating income | -$1.6B |
| Net margin | -13.5% |
| Operating margin | -14.1% |
| Revenue growth | -8.0% |
| Cash | $2.7B |
| Total assets | $20.0B |
| P/E (computed) | Net income was not positive |
| P/S (computed) | 0.7× |
Key SEC documents
| Document | Form | Filed |
|---|---|---|
| Latest prospectus or offering document | 424B5 | 2025-11-05 |
| Latest annual report | 10-K | 2026-02-26 |
| Latest quarterly / interim | 10-Q | 2026-08-05 |
| Latest current report | 8-K | 2026-09-29 |
| Latest proxy | DEFA14A | 2026-04-02 |
Source: SEC EDGAR submissions feed, 1,008 recent filings. All filings on EDGAR.
Price moves
| Window | Return |
|---|---|
| 1 week | +1.1% |
| 1 month | -11.2% |
| 3 months | -19.3% |
| Year to date | -15.9% |
| 1 year | -20.0% |
| From 52-week high | -49.6% |
Source: Yahoo Finance daily closes, last bar 2026-10-14. Computed by Sophia Capital from daily closes; cap, sector and tier from the Nasdaq screener.
Peers in Major Chemicals
| Ticker | Company | Price | Day | Market cap |
|---|---|---|---|---|
| NEU | NewMarket Corp | $898.98 | +0.29% | $8.3B |
| EMN | Eastman Chemical Company | $63.00 | +1.45% | $7.2B |
| ESI | Element Solutions Inc. | $37.20 | +2.06% | $9.1B |
| HXL | Hexcel Corporation | $86.13 | +1.39% | $6.5B |
| SOLS | Solstice Advanced Materials Inc. Common Stock | $60.91 | +0.33% | $9.7B |
| SXT | Sensient Technologies Corporation | $132.55 | +1.97% | $5.6B |
| ALB | Albemarle Corporation | $97.65 | -0.87% | $11.5B |
| BCPC | Balchem Corporation | $169.72 | +0.91% | $5.4B |
The full dossier has every filing, three years of financials, private raises and the people who signed them.
Open the full dossier