Skip to main content

LYB

LyondellBasell Industries N.V.

Company with tickers: LYB

CIK
1489393
CUSIP
N53745100
Shares Outstanding
322,784,773
13F Activity (30d)
46 filings 30 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 936
Total Value: $21,501,906,536
Total Shares: 266,905,501
Showing 1–100 of 985 holdings by value · page 1 of 10

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 936 13F filers · Δ vs Dec 31, 2025
Top Holder
10.1%
Dec 2023 → Mar 2026 · range 10.1% – 14.5%
−4.4 pts
Top 5
33.9%
Dec 2023 → Mar 2026 · range 33.9% – 43.9%
−10.0 pts
Top 10
49.3%
Dec 2023 → Mar 2026 · range 48.9% – 60.8%
−11.4 pts
HHI
335
Dec 2023 → Mar 2026 · range 335 – 547
Broadly held−213

Quarterly Activity

vs Dec 31, 2025
New
256
Increased
299
Decreased
281
Sold Out
121
Unchanged
100
Holder count: +135
Institutional value: +104.0%
Shares held: +9.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 985
Export CSV
Holder Value (USD) % of 13F Shares Open