Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
900 institutional managers reported holding LYB for the quarter ended Mar 31, 2026. Together they hold about 75% of shares outstanding; the top 10 hold 42%. 245 opened new positions; 125 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 31.42M | 9.74% | $2.53B | added +1.1% | ≤2013 |
| BlackRock | 25.11M | 7.78% | $2.02B | trimmed -28.9% | ≤2013 |
| Dodge & Cox | 16.84M | 5.22% | $1.36B | unchanged | 2020 Q2 |
| State Street | 13.51M | 4.18% | $1.09B | unchanged | ≤2013 |
| Capital Group (American Funds) | 11.75M | 3.64% | $946.5M | added +19.4% | 2023 Q4 |
| Capital Research Global Investors | 10.21M | 3.16% | $822.1M | added +11.4% | 2024 Q2 |
| FMR (Fidelity) | 8.52M | 2.64% | $686.2M | added +84.7% | ≤2013 |
| Geode Capital | 6.95M | 2.15% | $559.5M | unchanged | ≤2013 |
| Morgan Stanley | 6.67M | 2.07% | $537.2M | trimmed -25.7% | ≤2013 |
| Capital International Investors | 5.85M | 1.81% | $471.4M | opened | 2018 Q3 |
| Davis Selected Advisers | 5.60M | 1.73% | $450.8M | opened | 2026 Q1 |
| Invesco | 5.08M | 1.57% | $409.3M | trimmed -16.9% | ≤2013 |
| UBS | 4.61M | 1.43% | $371.1M | added +59.5% | ≤2013 |
| AQR Capital | 4.23M | 1.31% | $340.4M | added +36.6% | 2014 Q4 |
| Royal Bank OF Canada | 3.53M | 1.09% | $284.7M | added +23% | ≤2013 |
| Goldman Sachs | 2.91M | 0.90% | $234.8M | added +80.7% | ≤2013 |
| Holocene Advisors | 2.84M | 0.88% | $228.4M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 2.65M | 0.82% | $213.9M | trimmed -73.7% | ≤2013 |
| Northern Trust | 2.45M | 0.76% | $197.7M | added +6.3% | ≤2013 |
| Millennium Management | 2.32M | 0.72% | $187.1M | added +144.4% | ≤2013 |
| AGF Management LTD | 2.31M | 0.72% | $186.2M | opened | 2026 Q1 |
| BNY Mellon | 1.85M | 0.57% | $148.9M | added +16.6% | ≤2013 |
| Ensign Peak Advisors, INC | 1.79M | 0.56% | $144.6M | added +1.7% | 2019 Q4 |
| BNP Paribas Financial Markets | 1.75M | 0.54% | $140.8M | added +6.3% | ≤2013 |
| Bank OF America CORP /DE/ | 1.55M | 0.48% | $124.7M | added +46.7% | ≤2013 |
| Dimensional Fund Advisors | 1.53M | 0.47% | $123.3M | trimmed -16.7% | ≤2013 |
| Citadel Advisors | 1.50M | 0.47% | $121.2M | added +154.4% | ≤2013 |
| T. Rowe Price | 1.33M | 0.41% | $107.0M | added +250.1% | ≤2013 |
| Lord, Abbett & CO. LLC | 1.30M | 0.40% | $104.4M | opened | 2026 Q1 |
| Schroder Investment Management Group | 1.21M | 0.38% | $97.8M | trimmed -35.5% | ≤2013 |
| Legal & General Group PLC | 1.20M | 0.37% | $97.0M | trimmed -4.9% | 2016 Q4 |
| Victory Capital Management INC | 1.12M | 0.35% | $90.2M | added +96.3% | 2013 Q4 |
| Woodline Partners LP | 1.08M | 0.33% | $86.6M | added +22747.1% | 2025 Q4 |
| Cincinnati Insurance CO | 1.05M | 0.33% | $84.9M | unchanged | 2016 Q2 |
| Deutsche Bank AG\ | 987.3k | 0.31% | $79.5M | trimmed -9.4% | ≤2013 |
| Thornburg Investment Management INC | 977.1k | 0.30% | $78.7M | unchanged | ≤2013 |
| Barclays PLC | 948.5k | 0.29% | $76.4M | added +28.9% | ≤2013 |
| Franklin Resources | 866.7k | 0.27% | $69.8M | unchanged | ≤2013 |
| Hosking Partners LLP | 863.1k | 0.27% | $69.5M | added +14.6% | 2016 Q3 |
| Amundi | 842.5k | 0.26% | $67.9M | trimmed -13.9% | ≤2013 |
| HRT Financial LP | 841.8k | 0.26% | $67.8M | opened | 2025 Q2 |
| American Century Companies INC | 797.3k | 0.25% | $64.2M | added +16.4% | ≤2013 |
| Nuveen | 776.2k | 0.24% | $62.5M | added +7.4% | ≤2013 |
| Squarepoint Ops LLC | 761.2k | 0.24% | $61.3M | trimmed -31.1% | 2018 Q1 |
| Swiss National Bank | 755.7k | 0.23% | $60.9M | added +7.2% | ≤2013 |
| Wells Fargo & COMPANY/MN | 692.1k | 0.21% | $55.7M | added +2.2% | ≤2013 |
| Samlyn Capital, LLC | 686.2k | 0.21% | $55.3M | opened | 2026 Q1 |
| Mitsubishi UFJ Asset Management CO., LTD. | 684.3k | 0.21% | $55.1M | added +8.1% | ≤2013 |
| Susquehanna International Group | 660.1k | 0.20% | $53.2M | added +67.2% | 2019 Q1 |
| Merewether Investment Management, LP | 654.7k | 0.20% | $52.7M | opened | 2026 Q1 |
Largest 50 of 900 shown; the full ranked, searchable register is at boothcheck.com/holders/LYB. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.