Ranked by reported Q2 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. | 29.3M | $1.54B | +16.7% | 9.077% | 0.02% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 16.9M | $888.9M | +0.7% | 5.230% | 0.02% |
| 3 | STATE STREET CORP | 14.7M | $775.8M | +9.1% | 4.565% | 0.01% |
| 4 | Capital World Investors | 13.8M | $725.2M | +17.2% | 4.267% | 0.09% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 12.0M | $631.0M | -0.1% | 3.713% | 0.03% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 9.2M | $485.7M | +118.3% | 2.858% | 0.17% |
| 7 | DAVIS SELECTED ADVISERS | 8.7M | $458.0M | +55.4% | 2.695% | 1.97% |
| 8 | MORGAN STANLEY | 8.6M | $455.3M | +29.7% | 2.679% | 0.02% |
| 9 | FMR LLC | 8.3M | $436.0M | -2.8% | 2.566% | 0.02% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 7.3M | $387.6M | +5.4% | 2.268% | 0.02% |
| 11 | Invesco Ltd. | 5.0M | $265.2M | -0.9% | 1.560% | 0.02% |
| 12 | ROYAL BANK OF CANADA | 4.7M | $247.2M | +32.9% | 1.455% | 0.04% |
| 13 | NORGES BANK | 3.9M | $202.8M | β | 1.194% | 0.02% |
| 14 | CITADEL ADVISORS LLC | 3.6M | $191.4M | +18.9% | 1.126% | 0.01% |
| 15 | GOLDMAN SACHS GROUP INC | 3.5M | $185.2M | +13.1% | 1.090% | 0.02% |
| 16 | Man Group plc | 3.3M | $171.7M | +4959.2% | 1.010% | 0.27% |
| 17 | Capital International Investors | 3.1M | $163.2M | -47.0% | 0.960% | 0.03% |
| 18 | JPMORGAN CHASE & CO | 2.9M | $154.6M | -21.1% | 0.893% | 0.01% |
| 19 | Qube Research & Technologies Ltd | 2.8M | $149.7M | β | 0.881% | 0.14% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.7M | $141.2M | +1.0% | 0.831% | 0.02% |
| 21 | JANE STREET GROUP, LLC | 2.5M | $131.7M | +115.9% | 0.775% | 0.01% |
| 22 | DIMENSIONAL FUND ADVISORS LP | 2.4M | $124.4M | +54.4% | 0.732% | 0.02% |
| 23 | NORTHERN TRUST CORP | 2.4M | $124.0M | -4.0% | 0.730% | 0.01% |
| 24 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.2M | $116.7M | -41.6% | 0.687% | 0.01% |
| 25 | VICTORY CAPITAL MANAGEMENT INC | 2.1M | $112.5M | +90.9% | 0.662% | 0.06% |
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 Q2 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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 878 | 6.2% | 77.84% | 2.56 pp | $13.06B | 36% |
| Q1 2026 | 936 | +20% | 80.40% | +4.96 pp | $20.38B | +97% |
| Q4 2025 | 779 | 2.3% | 75.44% | +4.40 pp | $10.37B | 6.4% |
| Q3 2025 | 797 | 6.8% | 71.04% | 4.31 pp | $11.08B | 20% |
| Q2 2025 | 855 | 6.7% | 75.35% | +2.02 pp | $13.78B | 21% |
| Q1 2025 | 916 | 1.8% | 73.33% | +1.62 pp | $17.53B | +4.3% |
| Q4 2024 | 933 | 6.5% | 71.71% | +0.41 pp | $16.81B | 22% |
| Q3 2024 | 998 | β | 71.30% | β | $21.52B | 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 Q2 2026 13F filings, institutional ownership of LyondellBasell Industries N.V. stands at 77.8%, held across 878 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LYB, with approximately 29,298,859 shares worth $1.54B as of Q2 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of LYB, including CITADEL ADVISORS LLC, JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for LYB is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
105 institutions opened new positions in LYB during Q2 2026, while 164 fully exited. 140 added to existing positions and 612 trimmed.
LYB institutional ownership fell by 2.56 percentage points quarter-over-quarter, with a net change of -58 holders.
The top 10 institutions account for 52.0% of all reported 13F value in LYB, and the top 25 account for 71.0%.
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