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Westlake Chemical Partners LP (WLKP)

Westlake Chemical Partners LP at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Westlake Chemical Partners LP (WLKP) is a Chemicals company based in US with a market capitalization of $807.1M. Revenue grew 2.7% year-over-year and the company generated $201.7M in free cash flow. This page tracks WLKP's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.17K employees · IPO Jul 30, 2014

Valuation

Valuation & price

$22.65 · as of May 17, 2026 · -4.5% vs 52w high

2.7

P/E ratio

Latest-FY diluted EPS

1.61

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$23.54$20.70$17.87Jul 25Dec 25Jul 26Jul 7, 25$22.40Jul 9, 25$22.56Jul 11, 25$22.44Jul 15, 25$22.13Jul 17, 25$22.12Jul 21, 25$22.05Jul 23, 25$22.31Jul 25, 25$22.07Jul 29, 25$22.04Jul 31, 25$22.03Aug 4, 25$21.80Aug 6, 25$21.92Aug 11, 25$22.32Aug 13, 25$21.90Aug 15, 25$22.00Aug 19, 25$21.82Aug 21, 25$22.01Aug 25, 25$22.02Aug 27, 25$22.19Aug 29, 25$22.09Sep 3, 25$21.98Sep 5, 25$21.89Sep 9, 25$21.88Sep 11, 25$21.86Sep 16, 25$21.60Sep 18, 25$21.47Sep 22, 25$21.10Sep 24, 25$20.70Sep 26, 25$20.95Sep 30, 25$20.99Oct 2, 25$21.20Oct 6, 25$21.18Oct 8, 25$21.04Oct 10, 25$20.60Oct 14, 25$20.65Oct 16, 25$20.35Oct 21, 25$19.95Oct 23, 25$19.33Oct 27, 25$19.63Oct 29, 25$18.95Oct 31, 25$18.86Nov 4, 25$18.50Nov 6, 25$18.69Nov 10, 25$18.38Nov 12, 25$19.05Nov 14, 25$18.54Nov 18, 25$17.90Nov 20, 25$17.87Nov 25, 25$18.72Nov 28, 25$18.96Dec 2, 25$18.96Dec 4, 25$18.93Dec 8, 25$18.97Dec 10, 25$19.32Dec 12, 25$19.76Dec 16, 25$19.25Dec 18, 25$19.39Dec 22, 25$19.10Dec 24, 25$18.88Dec 29, 25$18.50Jan 2, 26$18.95Jan 6, 26$19.88Jan 8, 26$20.11Jan 12, 26$20.25Jan 14, 26$20.91Jan 16, 26$20.85Jan 21, 26$21.21Jan 23, 26$21.09Jan 27, 26$21.18Jan 29, 26$21.68Feb 2, 26$21.93Feb 4, 26$21.80Feb 9, 26$21.22Feb 11, 26$21.50Feb 13, 26$21.32Feb 18, 26$21.34Feb 20, 26$21.21Feb 24, 26$22.08Feb 26, 26$21.86Mar 2, 26$22.19Mar 4, 26$22.15Mar 6, 26$22.10Mar 10, 26$22.12Mar 12, 26$22.73Mar 17, 26$22.33Mar 19, 26$22.45Mar 23, 26$22.05Mar 25, 26$22.40Mar 27, 26$21.71Mar 31, 26$22.09Apr 2, 26$22.13Apr 7, 26$22.40Apr 9, 26$22.68Apr 13, 26$22.65Apr 15, 26$22.30Apr 17, 26$22.39Apr 22, 26$22.46Apr 24, 26$22.56Apr 28, 26$22.82Apr 30, 26$23.05May 4, 26$22.67May 6, 26$23.45May 8, 26$23.28May 12, 26$23.54May 14, 26$23.00May 18, 26$22.71May 20, 26$22.38May 22, 26$22.50May 28, 26$22.77Jun 1, 26$23.18Jun 3, 26$23.15Jun 5, 26$23.14Jun 9, 26$23.21Jun 11, 26$23.29Jun 15, 26$23.25Jun 17, 26$22.77Jun 22, 26$22.57Jun 24, 26$22.65Jun 26, 26$22.66Jul 2, 26$22.36
$17.8752-week range$23.72
Loading valuation history…

Fundamentals

Key fundamentals

$807.1M

Market cap

2.7%

Revenue growth (YoY)

29.8%

Gross margin

$201.7M

Free cash flow (USD)

$355.4M

Net debt

0.0%

Share dilution

4/5

Graham criteria passed

Defensive-investor screen

Basic Materials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$986.7MFY 2017$1.2BFY 2018$1.3BFY 2019$1.1BFY 2020$966.7MFY 2021$1.2BFY 2022$1.6BFY 2023$1.2BFY 2024$1.1BFY 2025$1.2B
$986.7M$1.2B

Free cash flow by year

2016 → 2025

FY 2016$-11.9MFY 2017$468.5MFY 2018$396.3MFY 2019$407.1MFY 2020$336.4MFY 2021$327.3MFY 2022$409.6MFY 2023$405.2MFY 2024$436.0MFY 2025$201.7M
-$11.9M$201.7M

Gross margin by year

2021 → 2025

FY 202136.4%FY 202223.7%FY 202332.5%FY 202436.9%FY 202529.8%
36.4%29.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Quarterly report10-Q FiledMay 6, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing
  • 8-K eventCFO AppointmentApr 20, 2026Filing

Questions

Frequently asked questions

What is Westlake Chemical Partners LP's market cap?

Westlake Chemical Partners LP (WLKP) has a market capitalization of $807.1M.

What is WLKP's P/E ratio?

WLKP trades at a price-to-earnings ratio of 2.7, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is WLKP's price-to-book (P/B) ratio?

WLKP trades at 1.61 times book value per share.

Are insiders buying WLKP stock?

SEC Form 4 filings show no open-market insider buys at Westlake Chemical Partners LP in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.