LyondellBasell Industries NV
LYB · NYSE
Who owns LYB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 53.7% of LYB’s shares.
- LYB Holdco, L.L.C.20.0%
- BlackRock Institutional Trust Company, N.A.6.0%
- Vanguard Capital Management, LLC5.2%
- State Street Investment Management (US)4.6%
- Next 6 largest institutions17.9%
- All other shareholders46.3%
| Holder | Shares | % of shares |
|---|---|---|
| LYB Holdco, L.L.C. | 64.44M | 19.96% |
| BlackRock Institutional Trust Company, N.A. | 19.48M | 6.04% |
| Vanguard Capital Management, LLC | 16.88M | 5.23% |
| State Street Investment Management (US) | 14.73M | 4.57% |
| Capital World Investors | 13.77M | 4.27% |
| Vanguard Portfolio Management, LLC | 11.98M | 3.71% |
| AQR Capital Management, LLC | 9.22M | 2.86% |
| Davis Selected Advisers, L.P. | 8.70M | 2.69% |
| Geode Capital Management, L.L.C. | 7.32M | 2.27% |
| Fidelity Management & Research Company LLC | 6.90M | 2.14% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 8.23M | 2.55% |
| American Funds American Balanced Fund | 7.04M | 2.18% |
| Vanguard 500 Index Fund | 6.78M | 2.10% |
| iShares Select Dividend ETF | 4.63M | 1.43% |
| American Funds Fundamental Investors Fund, Inc. | 4.20M | 1.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $741.57K (1 trade) of LYB on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Hayes Matthew D | Tax withholding | 152 | $9.53K |
| Karlin Bridget E | Tax withholding | 194 | $11.15K |
| Karlin Bridget E | Award | 781 | — |
| KAMSKY VIRGINIA A | Tax withholding | 139 | $7.99K |
| KAMSKY VIRGINIA A | Award | 720 | — |
| Karlin Bridget E | Tax withholding | 73 | $3.84K |
| Karlin Bridget E | Award | 615 | — |
| KAMSKY VIRGINIA A | Tax withholding | 100 | $5.27K |
| KAMSKY VIRGINIA A | Award | 561 | — |
| Griffin Rita E | Tax withholding | 639 | $44.55K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Jan 9, 2026 |
| Ro KhannaHouse | Purchase | $1K–$15K | Nov 3, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 12.44M
- Days to cover
- 3.25
- % of shares outstanding
- 3.86%
- Average daily volume
- 3.83M
- Change since last report
- −6.8%
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