$SW

$42.24 +$0.39 (0.93%) Close

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

Ownership

13F as of Q2 2026 · 524.5M shares outstanding

Who owns SW?

By type of holder

Institutions 95.9% Insiders 0.5% Everyone else 3.6%

Concentration Top 10 holders own 47.8%

BlackRock, Inc. 8.7% · Capital Research Global Investors 8.1%

Institutional ownership

95.9%

+5.1 pts vs last qtr

Institutional holders

641

+26 vs last qtr

Net shares bought

+26.9M

by institutions in Q2 2026

New / sold out

105 / 79

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +9.9M
Trinity Street Asset Management LLP NEW +5.3M

Biggest sellers in Q2 2026

Orbis Allan Gray Ltd −7.9M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main −5.4M

Who is planning to sell?

Notices of proposed sale, last 12 months

$16.8M

4 notices from 4 people

Shares covered

330.4K

0.06% 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

SKG Employee Trust The trust is considered an affiliate of sw $13.9M
Smurfit Anthony P J Officer $2.06M

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?

Diluted share count, FY2022–FY2025

+101.5%

+26.31% a year

Each share's claim on the business

−50.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$89M vs $479M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years87% Under 1 year13%

Quarterly turnover

10.3%

of institutional shares changed hands

Top 10 managers, median time held

1.8 years

Super Investors

Investment managers reporting SW on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	45.5M	8.67%	+692.1K (+1.5%)	2024	0.0%
Shares held by quarter Peak holding45.5M (Q2'26) Change over 8 quarters+5.0M Share of the company8.670% BlackRock, Inc.'s full portfolio →
CR Capital Research Global Investors	42.6M	8.13%	+3.7M (+9.4%)	2024	0.3%
Shares held by quarter Peak holding42.6M (Q2'26) Change over 8 quarters+24.5M Share of the company8.130% Capital Research Global Investors's full portfolio →

BlackRock, Inc.

45.5M

% of company

8.67%

Change vs last qtr

+692.1K (+1.5%)

Held since

2024

Capital Research Global Investors

42.6M

% of company

8.13%

Change vs last qtr

+3.7M (+9.4%)

Held since

2024

28 more super investors behind a free account

See every manager holding Smurfit WestRock PLC, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SW on Form N-PORT; together they hold 20.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$770M	16.6M	3.17%	0.03%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$629M	13.6M	2.59%	0.04%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$770M

% of company

3.17%

% of the fund

0.03%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$629M

% of company

2.59%

% of the fund

0.04%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Smurfit WestRock PLC 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
SA Smurfit Anthony P J Insider	1.6M	0.30%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.300% Smurfit Anthony P J's insider activity →
MS Mayer Saverio Insider	189.2K	0.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.040% Mayer Saverio's insider activity →

Smurfit Anthony P J

Insider

1.6M

% of company

0.30%

Change vs last qtr

—

Held since

—

Mayer Saverio

Insider

189.2K

% of company

0.04%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of Smurfit WestRock PLC.

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