LyondellBasell Industries N.V. (LYB) ownership: Top institutional holder: BlackRock, Inc. ($2.02B). Insider activity: Net Buyer (11 buys, 9 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 25113288.00 | $2.02B | 2026-03-31 |
| Dodge & Cox | 16839152.00 | $1.36B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 16759788.00 | $1.35B | 2026-03-31 |
| VANGUARD GROUP INC | 31027060.00 | $1.34B | 2025-12-31 |
| STATE STREET CORP | 13509115.00 | $1.09B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 11992716.00 | $966.13M | 2026-03-31 |
| Capital World Investors | 11749410.00 | $946.53M | 2026-03-31 |
| Capital Research Global Investors | 10205644.00 | $822.17M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.