Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in LYB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 25.1M | $2.02B | -28.9% | 7.795% | 0.04% |
| 2 | DODGE & COX | 16.8M | $1.36B | -0.2% | 5.227% | 0.75% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 16.8M | $1.35B | β | 5.202% | 0.03% |
| 4 | STATE STREET CORP | 13.5M | $1.09B | -0.3% | 4.193% | 0.04% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 12.0M | $966.1M | β | 3.723% | 0.05% |
| 6 | Capital World Investors | 11.7M | $946.5M | +19.4% | 3.647% | 0.13% |
| 7 | Capital Research Global Investors | 10.2M | $822.2M | +11.4% | 3.168% | 0.13% |
| 8 | FMR LLC | 8.5M | $686.2M | +84.7% | 2.644% | 0.04% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 6.9M | $562.7M | +0.1% | 2.156% | 0.04% |
| 10 | MORGAN STANLEY | 6.7M | $537.2M | -25.7% | 2.070% | 0.03% |
| 11 | Capital International Investors | 5.9M | $471.4M | β | 1.816% | 0.11% |
| 12 | DAVIS SELECTED ADVISERS | 5.6M | $450.9M | β | 1.737% | 2.07% |
| 13 | Invesco Ltd. | 5.1M | $409.4M | -16.9% | 1.577% | 0.06% |
| 14 | AQR CAPITAL MANAGEMENT LLC | 4.2M | $340.4M | +36.6% | 1.312% | 0.16% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.8M | $305.5M | +67.4% | 1.177% | 0.03% |
| 16 | ROYAL BANK OF CANADA | 3.5M | $284.8M | +23.0% | 1.097% | 0.05% |
| 17 | GOLDMAN SACHS GROUP INC | 3.1M | $250.6M | +78.0% | 0.966% | 0.03% |
| 18 | CITADEL ADVISORS LLC | 3.1M | $246.3M | β | 0.949% | 0.11% |
| 19 | UBS Group AG | 3.0M | $239.9M | +54.7% | 0.924% | 0.04% |
| 20 | Holocene Advisors, LP | 2.8M | $228.4M | β | 0.880% | 0.55% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.7M | $213.9M | -73.7% | 0.824% | 0.03% |
| 22 | MILLENNIUM MANAGEMENT LLC | 2.6M | $209.1M | β | 0.806% | 0.14% |
| 23 | NORTHERN TRUST CORP | 2.5M | $197.7M | +6.3% | 0.762% | 0.03% |
| 24 | AGF MANAGEMENT LTD | 2.3M | $186.2M | β | 0.717% | 0.83% |
| 25 | Bank of New York Mellon Corp | 1.8M | $148.9M | +16.6% | 0.574% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in LYB β a direct measure of their conviction.
Filings activity in LYB during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 904 | +18% | 93.68% | +45.25 pp | $19.49B | +93% |
| Q4 2025 | 767 | 1.3% | 48.43% | 3.09 pp | $10.08B | 6.0% |
| Q3 2025 | 777 | 9.1% | 51.52% | 14.71 pp | $10.72B | 22% |
| Q2 2025 | 855 | 6.7% | 66.23% | 18.03 pp | $13.78B | 21% |
| Q1 2025 | 916 | 1.8% | 84.26% | +3.47 pp | $17.53B | +4.3% |
| Q4 2024 | 933 | 6.5% | 80.79% | 22.67 pp | $16.81B | 22% |
| Q3 2024 | 998 | +0.9% | 103.46% | 1.92 pp | $21.52B | 1.8% |
| Q2 2024 | 989 | β | 105.38% | β | $21.92B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying LYB stock.
Based on Q1 2026 13F filings, institutional ownership of LyondellBasell Industries N.V. stands at 93.7%, held across 904 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LYB, with approximately 25,113,288 shares worth $2.02B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of LYB, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for LYB is 84 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
267 institutions opened new positions in LYB during Q1 2026, while 130 fully exited. 565 added to existing positions and 70 trimmed.
LYB institutional ownership rose by 45.25 percentage points quarter-over-quarter, with a net change of +137 holders.
The top 10 institutions account for 53.0% of all reported 13F value in LYB, and the top 25 account for 74.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
LyondellBasell Industries N.V. (LYB) Institutional Ownership