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Buy Day today: Neutral (51) Mixed market breadth · no major macro event
LYB

LyondellBasell Industries NV

Basic Materials · Specialty Chemicals

61.90$ -3.6% vs. previous close Closing price · As of: Sep 18, 2026

Ownership

Ownership Structure

Who owns LyondellBasell Industries NV (LYB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 79.8% of the shares are freely tradable; institutional investors hold 78.1%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 78.1%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 20.2%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 79.8%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 5.4%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 323Mio.

Largest Shareholders

Institutions

Institutions LYB
Name Stake (%) Shares Change (%) Date
BlackRock Inc 7.77 25,113,288 -28.9 03/31/2026
Vanguard Capital Management, LLC 5.19 16,759,788 +0.0 03/31/2026
Capital World Investors 4.26 13,773,272 +17.2 06/30/2026
State Street Corp 4.18 13,509,115 -0.3 03/31/2026
Vanguard Portfolio Management, LLC 3.71 11,992,716 +0.0 03/31/2026
Davis Selected Advisers 2.69 8,698,852 +55.4 06/30/2026
FMR Inc 2.64 8,518,205 +84.7 03/31/2026
Geode Capital Management, LLC 2.15 6,945,441 +0.1 03/31/2026

Funds

Funds LYB
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 2.55 8,225,300 +0.3 07/31/2026
American Funds American Balanced A 2.18 7,042,623 +25.6 06/30/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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