When did LYB join the S&P 500?

LyondellBasell joined the S&P 500 index on 2012-09-05.

What sector is LYB in?

LYB is in the Materials sector, Specialty Chemicals industry.

LYB — LyondellBasell

Name: LYB Institutional Holdings (13F) — 2026Q1
Creator: SEC EDGAR
License: https://www.sec.gov/data

Specialty Chemicals · Materials

Key Facts

Status	Active
Sector	Materials
Industry	Specialty Chemicals
Joined	2012-09-05
Tenure	13 yrs

LyondellBasell Industries N.V. engages in refining and producing plastic resins and other chemicals. It operates through the following segments: Olefins and Polyolefins - Americas; Olefins and Polyolefins - Europe, Asia, International; Intermediates and Derivatives; Advanced Polymer Solutions; Refining; and Technology. The Olefins and Polyolefins - Americas segment produces and sells olefins and their by-products, polyethylene, and polypropylene. The Olefins and Polyolefins - Europe, Asia, International segment also provides olefins and polyolefins. The Intermediates and Derivatives segment includes propylene oxide and its derivatives; oxygenated fuels and related products; and intermediate chemicals. The Advanced Polymer Solutions segment produces and sells compounds and solutions, including polypropylene compounds, engineering plastics, masterbatches, colors and powders, engineered composite materials, and advanced polymers. The Refining segment refines heavy, high-sulfur crude oil and various other types and sources of crude oil. The Technology segment develops chemical and polyolefin process technologies, and produces and sells polyolefin catalysts.

Industry Peers

ALB DD ECL IFF PPG SHW

Sector Peers

ALB AMCR APD AVY BALL CF CRH CTVA DD DOW

S&P 500 Timeline

2012-09-05Joined S&P 500

Institutional Holdings (13F)

942 institutions hold LYB, totaling 305.7M shares ($23.6B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	33.5M	$2.7B
2	BlackRock, Inc.	25.1M	$2.0B
3	Dodge & Cox	16.8M	$1.4B
4	MORGAN STANLEY	23.3M	$1.3B
5	STATE STREET CORP	13.5M	$1.1B
6	BARCLAYS PLC	11.7M	$1.0B
7	VANGUARD PORTFOLIO MANAGEMENT LLC	12.0M	$966M
8	Capital World Investors	11.7M	$947M
9	Capital Research Global Investors	10.2M	$822M
10	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	8.1M	$749M

View all holders →

Data source: Wikipedia · CC BY-SA 4.0 · SEC EDGAR 13F · Updated 2026-07-10