Smurfit Westrock Plc
Smurfit Westrock Plc (SW) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SW · as of Sep 30, 2025
Ownership Breakdown
611
Institutional Holders
▲ 24 vs Q2
$19.26B
Total Inst. Value
▼ $185.03M vs Q2
524.46M
Shares Outstanding
freeFloat 99.26%
453.11M
13F Shares Held
▲ 2.70M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SW largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC paperboard containers & boxes | 61.47M | 11.80% | 11.80% | $2.62T | Nov 7, 2025 | ▼ 18.95M |
BLACKROCK, INC. paperboard containers & boxes | 43.54M | 8.36% | 8.36% | $1.85T | Nov 12, 2025 | ▲ 2.04M |
CAPITAL RESEARCH GLOBAL INVESTORS paperboard containers & boxes | 27.53M | 5.28% | 5.28% | $1.17T | Nov 13, 2025 | ▼ 140.8K |
STATE STREET CORP paperboard containers & boxes | 23.81M | 4.57% | 4.57% | $1.01T | Nov 14, 2025 | ▲ 3.03M |
NUVEEN, LLC paperboard containers & boxes | 23.53M | 4.52% | 4.52% | $1.00T | Nov 12, 2025 | ▼ 147.0K |
ORBIS ALLAN GRAY LTD paperboard containers & boxes | 18.95M | 3.64% | 3.64% | $806.65B | Nov 14, 2025 | ▲ 548.4K |
GEODE CAPITAL MANAGEMENT, LLC paperboard containers & boxes | 13.64M | 2.62% | 2.62% | $578.35B | Nov 12, 2025 | ▲ 850.1K |
FMR LLC paperboard containers & boxes | 12.18M | 2.34% | 2.34% | $518.20B | Nov 13, 2025 | ▼ 38.8K |
FRANKLIN RESOURCES INC paperboard containers & boxes | 11.35M | 2.18% | 2.18% | $482.92B | Nov 13, 2025 | ▲ 5.51M |
UBS GROUP AG paperboard containers & boxes | 11.24M | 2.16% | 2.16% | $478.49B | Nov 13, 2025 | ▲ 8.22M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
38
Increased
+41.90M shares0
New Positions
first time holders11
Decreased
−19.95M shares0
Sold Out
fully exitedNet shares change (top 50)
+21.95M
+41.90M / −19.95M
Net new holders
+27
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SW insider trading · insider activity
Source: SEC Form 4
44
Buy transactions
36
Sell transactions
1.22
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Page Irene Chief Accounting Officer | May 15, 2026 | Award | 38 | — | — | 62.7K | Form 4 ↗ |
SMURFIT ANTHONY P J President and Group CEO | May 15, 2026 | Award | 1,018 | — | — | 1.73M | Form 4 ↗ |
Garren Ben See remarks | May 15, 2026 | Award | 92 | — | — | 14.8K | Form 4 ↗ |
Henao Alvaro See remarks | May 15, 2026 | Award | 87 | — | — | 72.7K | Form 4 ↗ |
Mayer Saverio See remarks | May 15, 2026 | Award | 253 | — | — | 241.2K | Form 4 ↗ |
Sellier Laurent See remarks | May 15, 2026 | Award | 303 | — | — | 138.5K | Form 4 ↗ |
Bowles Ken Executive VP and Group CFO | May 15, 2026 | Award | 303 | — | — | 174.0K | Form 4 ↗ |
Finan Irial director | May 1, 2026 | Award | 6,974 | — | — | 62.2K | Form 4 ↗ |
Finan Irial director | May 1, 2026 | Tax Withhold | 3,336 | $38.39 | $128.1K | 58.8K | Form 4 ↗ |
FergusonMchugh MaryLynn director | May 1, 2026 | Award | 4,438 | — | — | 10.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Smurfit Westrock Plc (SW) is primarily owned by institutional investors, who hold approximately 86.4% of total shares outstanding. Company insiders own approximately 0.74%, while retail and public investors account for the remaining 12.87%.
The largest institutional shareholder of Smurfit Westrock Plc is VANGUARD GROUP INC, holding approximately 61.47 million shares — equal to 11.80% of outstanding shares — as of September 30, 2025.
A total of 611 institutional investors currently hold SW stock, with a combined institutional value of approximately $19.26 billion as of the most recent 13F filing period.
Frequently asked questions
SW ownershipSmurfit Westrock Plc (SW) is primarily owned by institutional investors, who hold approximately 86.4% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.80% stake. Company insiders hold 0.74%. Data sourced from SEC Form 13F as of September 30, 2025.