$LYB

$67.49 +$0.14 (0.21%) Live

$LYB Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 323.0M shares outstanding

Who owns LYB?

By type of holder

Institutions 74.8% Insiders 0.0% Everyone else 25.2%

Concentration Top 10 holders own 144.4%

AI Investments Holdings LLC 20.2% · Access Industries Management, LLC 20.2%

Institutional ownership

74.8%

-1.5 pts vs last qtr

Institutional holders

879

-45 vs last qtr

Net shares bought

−4.7M

by institutions in Q2 2026

New / sold out

125 / 170

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Aqr Capital Management LLC +5.0M
BlackRock, Inc. +4.2M

Biggest sellers in Q2 2026

Dodge & Cox SOLD OUT −16.8M
Capital Research Global Investors −8.6M

Who is planning to sell?

Notices of proposed sale, last 12 months

$26.5M

3 notices from 3 people

Shares covered

395.4K

0.12% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

AI Chemical Holdings LLC Affiliate of a 10% stockholder $25.7M
Jeffrey Kaplan Officer $742K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for LyondellBasell Industries N.V..

How patient are the owners?

Institutional shares by how long they've been held

5+ years73% 3–5 years2% 1–3 years10% Under 1 year16%

Quarterly turnover

22.3%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting LYB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	29.3M	9.07%	+4.2M (+16.7%)	≤2021	0.0%
Shares held by quarter Peak holding35.3M (Q4'25) Change over 8 quarters+6.9M Share of the company9.070% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	16.9M	5.23%	+122.6K (+0.7%)	≤2021	0.0%
Shares held by quarter Peak holding16.9M (Q2'26) Change over 8 quarters+16.9M Share of the company5.230% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

29.3M

% of company

9.07%

Change vs last qtr

+4.2M (+16.7%)

Held since

≤2021

Vanguard Capital Management LLC

16.9M

% of company

5.23%

Change vs last qtr

+122.6K (+0.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding LyondellBasell Industries N.V., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LYB on Form N-PORT; together they hold 19.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
DC Dodge & Cox Stock Fund Dodge & Cox Funds	$902M	11.2M	3.47%	0.79%	March 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$432M	8.2M	2.54%	0.02%	June 30, 2026

Dodge & Cox Stock Fund

Dodge & Cox Funds

Position value

$902M

% of company

3.47%

% of the fund

0.79%

As of

March 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$432M

% of company

2.54%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding LyondellBasell Industries N.V. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AI AI Investments Holdings LLC 5%+ holder 13D · 20.3%	65.3M	20.21%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company20.210% Disclosed stake13D · 20.3% View the 13D/G filing →
AI Access Industries Management, LLC 5%+ holder 13D · 20.3%	65.3M	20.21%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company20.210% Disclosed stake13D · 20.3% View the 13D/G filing →

AI Investments Holdings LLC

5%+ holder13D · 20.3%

65.3M

% of company

20.21%

Change vs last qtr

—

Held since

—

Access Industries Management, LLC

5%+ holder13D · 20.3%

65.3M

% of company

20.21%

Change vs last qtr

—

Held since

—

4 more holders behind a free account

See every insider and 5%+ holder of LyondellBasell Industries N.V..

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