LyondellBasell Industries NV
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%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.07 | 29,298,859 | +16.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 5.23 | 16,882,431 | +0.7 | 06/30/2026 |
| State Street Corp | 4.56 | 14,734,948 | +9.1 | 06/30/2026 |
| Capital World Investors | 4.26 | 13,773,272 | +17.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.71 | 11,984,747 | -0.1 | 06/30/2026 |
| AQR Capital Management LLC | 2.86 | 9,224,314 | +118.3 | 06/30/2026 |
| Davis Selected Advisers | 2.69 | 8,698,852 | +55.4 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 2.68 | 8,648,430 | +29.7 | 06/30/2026 |
| FMR Inc | 2.56 | 8,281,129 | -2.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.55 | 8,222,690 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Kamsky Virginia A | Director | 10,864 | 718,110 $ | Sep 30, 2026 | direct |
| Hayes Matthew D | SVP & CAO | 8,970 | 592,917 $ | Oct 15, 2026 | direct |
| Karlin Bridget E | Director | 7,834 | 517,827 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Hayes Matthew D | SVP & CAO | Other | 152 | 62.67 | 9,526 |
| Sep 30, 2026 | Karlin Bridget E | Director | Other | 194 | 57.47 | 11,149 |
| Sep 30, 2026 | Karlin Bridget E | Director | Other | 781 | 0.00 | – |
| Sep 30, 2026 | Kamsky Virginia A | Director | Other | 139 | 57.47 | 7,988 |
| Sep 30, 2026 | Kamsky Virginia A | Director | Other | 720 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 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.