LyondellBasell LYB
LyondellBasell is the 391st largest S&P 500 company by market cap, worth $21.5 billion. 12 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 11 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 9.8% of the company.
- CEO
- Peter Z. E. Vanacker
- Sector
- Materials
- Sub-industry
- Specialty Chemicals
- Headquarters
- Rotterdam, Netherlands
- Founded
- 2007
- More
- Wikipedia
- Market cap
- $21.5B
- 391st largest, 23 Oct 2026 close
- Price to sales
- 0.7
- Market cap over revenue
- Market cap per employee
- $1.1M
- Market cap over employees
- Connections
- 0
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of LyondellBasell. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (12) | |
| Peter Z. E. VanackerChief Executive OfficerLast filed 3 Mar 2026 | |
| Jacques AigrainDirector | |
| Lincoln E. BenetDirector | |
| Robin W.T. BuchananDirector | |
| Anthony R. ChaseDirector | |
| Robert W. DudleyDirector | |
| Claire S. FarleyDirector | |
| Rita E. GriffinDirector | |
| Michael Sean HanleyDirector | |
| Virginia A. KamskyDirector | |
| Bridget E. KarlinDirector | |
| Albert Jude ManifoldDirector | |
| Officers (11) | |
| Sabido Agustin IzquierdoEVP & Chief Financial OfficerLast filed 17 Apr 2026 | |
| Tracey D. CampbellEVP, Sustainability & Corp AffLast filed 1 Jun 2026 | |
| Trisha L. ConleyEVP, People and CultureLast filed 1 May 2026 | |
| Kimberly A. FoleyEVP, Global O&P and RefiningLast filed 3 Mar 2026 | |
| Dale D. FriedrichsEVP, Ops Excellence, HSELast filed 3 Mar 2026 | |
| Matthew D. HayesSVP & CAOLast filed 17 Apr 2026 | |
| Jeffrey A. KaplanEVP, Chief PC, Leg & Corp OfcLast filed 15 May 2026 | |
| Yvonne van der LaanEVP, Circular & Low Carbon SolLast filed 3 Mar 2026 | |
| Aaron J. LedetEVP, I&D & Supply ChainLast filed 3 Mar 2026 | |
| Torkel RhenmanEVP, Adv Polymer SolutionsLast filed 3 Mar 2026 | |
| James Malcolm SewardEVP & Chief Innovation OfficerLast filed 1 Jun 2026 | |
LyondellBasell's market cap since May 2010
Marked weeks are changes in the share count, such as a merger, not market moves.
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $21.5B |
| 26 Dec 2025 | $13.9B |
| 27 Dec 2024 | $24.1B |
| 29 Dec 2023 | $30.8B |
| 30 Dec 2022 | $27.0B |
| 31 Dec 2021 | $30.7B |
| 25 Dec 2020 | $30.3B |
| 27 Dec 2019 | $31.3B |
| 28 Dec 2018 | $31.6B |
| 29 Dec 2017 | $43.5B |
| 30 Dec 2016 | $35.0B |
| 25 Dec 2015 | $39.6B |
| 26 Dec 2014 | $40.5B |
| 27 Dec 2013 | $44.0B |
| 28 Dec 2012 | $31.9B |
| 30 Dec 2011 | $18.8B |
| 31 Dec 2010 | $19.7B |
Download LyondellBasell's data as JSON, with the weekly market caps in billions of dollars from 28 May 2010.
Workforce
Headcount at 31 Dec 2025
- Employees
- 18,970
Demographics 鈥擜s of December 31, 2025, we had approximately 18,970 employees, a decrease of approximately 7% when compared to 2024, driven by fixed cost reductions attributable to our cash improvement plan and Houston Refinery shutdown.
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $741,600 of stock in 1 sale and bought $246,593 in 1 purchase in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 13 May 2026Sale | Jeffrey A. KaplanEVP, Chief PC, Leg & Corp Ofc | $742K |
| 12 Nov 2025Buy | Kimberly A. FoleyEVP, Global O&P and Refining | $247K |
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
7 people disclosed 13 purchases and 9 sales of LyondellBasell stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 23 Jul 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 12 Jun 2026 | Donald J TrumpPresident 路 Bought | $15K to $50K |
| 27 Apr 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 13 Apr 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 27 Mar 2026 | Alan ArmstrongSenate, R-OK 路 Bought | $1K to $15K |
| 29 Jan 2026 | Rohit KhannaHouse, D-CA 路 Sold | $1K to $15K |
| 9 Jan 2026 | Gilbert CisnerosHouse, D-CA 路 Bought | $1K to $15K |
| 6 Jan 2026 | Rohit KhannaHouse, D-CA 路 Sold | $1K to $15K |
| 3 Nov 2025 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 25 Sep 2025 | Julie JohnsonHouse, D-TX 路 Sold | $1K to $15K |
Showing 10 of 22 trades
Not on file: no director or officer shared with another S&P 500 company and no WARN layoff notices under its own name since October 2023.