13F Pro quality score
Rank #2,392 of 2,925
Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.
Reported revenue, net income and operating margin by fiscal year, from WESTLAKE CORP's annual filings on SEC EDGAR.
| Period | Form | Revenue | Net income | Op. marginOperating margin |
|---|---|---|---|---|
| FY 2025 | 10-K | $11.2B | $-1.5B | -14.1% |
| FY 2024 | 10-K | $12.1B | $602.0M | 7.2% |
| FY 2023 | 10-K | $12.5B | $479.0M | 5.8% |
| FY 2022 | 10-K | $15.8B | $2.2B | 19.3% |
| FY 2021 | 10-K | $11.8B | $2.0B | 23.8% |
| FY 2020 | 10-K | $7.5B | $330.0M | 5.7% |
Ranked by quality-factor profile and overlapping institutional ownership, from the latest 13F filings and SEC financials.
Officers, directors and 10% owners with a Form 4 filed in the last 24 months, most recent first. From SEC EDGAR.
WESTLAKE CORP (WLK) stock profile, AI quality score, and SEC EDGAR financial data, a Materials sector company. 13F Pro's AI-powered ranking engine scores WLK at 32.7/100 on a composite quality score built from its SEC filings, placing it at rank #2,392 of 2,925 stocks — the bottom half of the AI-ranked universe. WLK scores in the top quartile across revenue scale (87.2). Areas of concern include institutional flow (11.0) and revenue growth (16.2), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q2 2026), WESTLAKE CORP reports quarterly revenue of $3.3B, net income of $260.0M, an operating margin of 11.1%. Top institutional holders of WLK by reported 13-F value include BlackRock, Capital World Investors, PRICE T ROWE ASSOCIATES, based on the most recent SEC filings. WLK trades on the NYSE exchange and files with the SEC under CIK 1262823. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate WLK daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for WESTLAKE CORP directly from SEC EDGAR.
Financials through the period ended SEC EDGAR: CIK 1262823 →