LyondellBasell Industries N.V. (LYB) Ownership
LYB ownership summary
as of October 18, 2026- Institutions
- 76.0% of shares outstanding
- Insiders
- 20.12% of shares outstanding
- Shares outstanding
- 323.0M
- Float
- 257.7M shares available to trade
- Short interest
- 4.82% 12.4M shares short
- Days to cover
- 3.45 short interest down 10.8% vs prior month
- Institutions 76.03%
- Insiders 20.12%
- Other investors 3.85%
LYB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 9.07% | 29.3M | $1.88B | +4.2M (+16.7%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 5.23% | 16.9M | $1.08B | +122,643 (+0.7%) | June 30, 2026 |
| 3 | State Street Corp | 4.56% | 14.7M | $943.2M | +1.2M (+9.1%) | June 30, 2026 |
| 4 | Capital World Investors | 4.26% | 13.8M | $881.6M | +2.0M (+17.2%) | June 30, 2026 |
| 5 | Vanguard Portfolio Management, LLC | 3.71% | 12.0M | $767.1M | −7,969 (−0.1%) | June 30, 2026 |
| 6 | AQR Capital Management LLC | 2.86% | 9.2M | $590.4M | +5.0M (+118.3%) | June 30, 2026 |
| 7 | Davis Selected Advisers | 2.69% | 8.7M | $556.8M | +3.1M (+55.4%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 2.68% | 8.6M | $553.6M | +2.0M (+29.7%) | June 30, 2026 |
| 9 | FMR Inc | 2.56% | 8.3M | $530.1M | −237,076 (−2.8%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.27% | 7.3M | $468.6M | +374,801 (+5.4%) | June 30, 2026 |
| 11 | Amvescap Plc. | 1.56% | 5.0M | $322.4M | −45,347 (−0.9%) | June 30, 2026 |
| 12 | Royal Bank of Canada | 1.45% | 4.7M | $300.6M | +1.2M (+32.9%) | June 30, 2026 |
| 13 | NORGES BANK | 1.19% | 3.9M | $246.6M | +2.6M (+219.5%) | June 30, 2026 |
| 14 | Man Group PLC | 1.01% | 3.3M | $208.7M | +3.2M (+4,959.2%) | June 30, 2026 |
| 15 | Capital Research & Mgmt Co - Division 3 | 0.96% | 3.1M | $198.4M | −2.8M (−47.0%) | June 30, 2026 |
| 16 | JPMorgan Chase & Co | 0.89% | 2.9M | $184.6M | −768,974 (−21.1%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 0.89% | 2.9M | $184.5M | −32,394 (−1.1%) | June 30, 2026 |
| 18 | Qube Research & Technologies | 0.88% | 2.8M | $181.5M | +2.8M (0.0%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 0.83% | 2.7M | $171.6M | +26,799 (+1.0%) | June 30, 2026 |
| 20 | Citadel Advisors Llc | 0.75% | 2.4M | $155.6M | +926,745 (+61.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 28.8M shares and 6 cut 3.8M.
LYB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.54% | 8.2M | $525.0M | −23,456 (−0.3%) | August 31, 2026 |
| 2 | American Funds American Balanced A | 2.18% | 7.0M | $450.8M | — | September 30, 2026 |
| 3 | Vanguard 500 Index Investor | 2.10% | 6.8M | $434.4M | −74,368 (−1.1%) | September 30, 2026 |
| 4 | iShares Select Dividend ETF | 1.44% | 4.7M | $298.7M | −1,601 (−0.0%) | September 30, 2026 |
| 5 | American Funds Fundamental Invs A | 1.17% | 3.8M | $242.6M | −413,562 (−9.8%) | September 30, 2026 |
| 6 | iShares Core S&P 500 ETF | 1.07% | 3.4M | $220.6M | −5,550 (−0.2%) | September 30, 2026 |
| 7 | Fidelity 500 Index | 1.04% | 3.4M | $214.6M | +12,866 (+0.4%) | August 31, 2026 |
| 8 | Davis NY Venture A | 1.01% | 3.3M | $208.3M | — | August 31, 2026 |
| 9 | State Street® SPDR® S&P 500® ETF | 0.99% | 3.2M | $204.1M | — | September 30, 2026 |
| 10 | State Street®MatSelSectSPDR®ETF | 0.96% | 3.1M | $199.1M | −976 (−0.0%) | September 30, 2026 |
| 11 | Invesco S&P 500® Equal Weight ETF | 0.94% | 3.0M | $194.1M | −6,270 (−0.2%) | September 30, 2026 |
| 12 | Vanguard Small Cap Index | 0.90% | 2.9M | $186.1M | −63,483 (−2.1%) | September 30, 2026 |
| 13 | Vanguard MStar Mid Cap Index Instl | 0.86% | 2.8M | $177.1M | −25,899 (−0.9%) | September 30, 2026 |
| 14 | American Funds Income Fd of Amer A | 0.67% | 2.1M | $137.6M | — | September 30, 2026 |
| 15 | Vanguard MStar Small Cap Value Index | 0.59% | 1.9M | $121.2M | +6,304 (+0.3%) | September 30, 2026 |
| 16 | State Street SPDR Port S&P 500 HiDivETF | 0.49% | 1.6M | $100.3M | +2,016 (+0.1%) | September 30, 2026 |
| 17 | Fidelity Dividend Growth | 0.47% | 1.5M | $98.1M | +114,300 (+8.1%) | August 31, 2026 |
| 18 | American Funds Cptl Wld Gr&Inc A | 0.46% | 1.5M | $96.0M | — | September 30, 2026 |
| 19 | American Funds Washington Mutual A | 0.45% | 1.4M | $92.2M | −54,917 (−3.7%) | September 30, 2026 |
| 20 | Vanguard Institutional Index I | 0.42% | 1.4M | $87.6M | −12,601 (−0.9%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
LYB insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-09 | Ai Investments Holdings Llc | Sell | $68.13 | 842 | $57,365 |
| 2026-03-09 | Ai Investments Holdings Llc | Sell | $68.13 | 384,548 | $26.2M |
| 2026-01-29 | Ro Khanna | Sell | $49.90 | — | — |
| 2026-01-09 | Gilbert Ray Cisneros, Jr. | Buy | $48.70 | — | — |
| 2026-01-06 | Ro Khanna | Sell | $46.20 | — | — |
| 2025-11-12 | Kimberly A Foley | Buy | $43.56 | 5,661 | $246,593 |
| 2025-11-03 | Ro Khanna | Buy | $46.30 | — | — |
| 2025-09-25 | Julie Johnson | Sell | $48.97 | — | — |
| 2025-08-15 | Peter Z E Vanacker | Sell | $53.57 | 20,000 | $1.1M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
LYB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns LYB
Institutional investors own 76.0% of LyondellBasell's shares and insiders 20.12%. The largest holder is BlackRock Inc with 9.07% of the shares (29.3M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 6 reduced their stake in the latest filings. Short interest is 4.82% of the float, or 3.45 days of average trading volume. The share count fell 35.5% since 2014.
Related: LYB analyst forecast, LYB key metrics, LYB dividend history. See the LYB stock overview for the latest quote and news.
LYB ownership FAQ
Who owns the most LyondellBasell stock?
The largest shareholders of LyondellBasell are BlackRock Inc (9.07%), Vanguard Capital Management, LLC (5.23%), State Street Corp (4.56%), Capital World Investors (4.26%), Vanguard Portfolio Management, LLC (3.71%).
What percentage of LyondellBasell is owned by institutions?
Institutions hold 76.0% of LyondellBasell's shares outstanding; insiders hold 20.12%.
Which funds own LyondellBasell?
The largest fund holders of LyondellBasell are Vanguard MStar Total Stk Mkt Idx Invest (2.54%), American Funds American Balanced A (2.18%), Vanguard 500 Index Investor (2.10%), iShares Select Dividend ETF (1.44%), American Funds Fundamental Invs A (1.17%).
What is LyondellBasell's short interest?
12.4M shares of LyondellBasell were sold short, 4.82% of the float; at the average daily volume it would take 3.45 days to cover.
Are insiders buying or selling LyondellBasell?
Of the latest 9 reported insider transactions in LyondellBasell (since August 15, 2025), 3 were purchases and 6 were sales.
How many shares of LyondellBasell are outstanding?
LyondellBasell has 323.0M shares outstanding, of which 257.7M are in the public float.