Smurfit WestRock plc (SW) Ownership

NYSE: SWTop holders, insider trades and short interest.

SW ownership summary

as of October 18, 2026
Institutions
101.8%
of shares outstanding
Insiders
0.51%
of shares outstanding
Shares outstanding
524.5M
Float
520.6M
shares available to trade
Short interest
5.73%
26.4M shares short
Days to cover
5.89
short interest up 17.3% vs prior month
  • Institutions 101.84%
  • Insiders 0.51%

SW top institutional holders

20 largest
Smurfit WestRock plc top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.67%45.5M$1.87B+692,070 (+1.5%)June 30, 2026
2Capital Research Global Investors8.13%42.6M$1.75B+3.7M (+9.4%)June 30, 2026
3Vanguard Capital Management, LLC6.53%34.2M$1.41B+284,663 (+0.8%)June 30, 2026
4State Street Corp5.35%28.1M$1.16B+2.8M (+11.1%)June 30, 2026
5Nuveen, LLC4.73%24.8M$1.02B+222,089 (+0.9%)June 30, 2026
6Vanguard Portfolio Management, LLC4.64%24.4M$1.00B+41,543 (+0.2%)June 30, 2026
7Capital World Investors2.95%15.5M$636.8M+3.0M (+24.1%)June 30, 2026
8Causeway Capital Management LLC2.87%15.0M$619.0M−526,987 (−3.4%)June 30, 2026
9Geode Capital Management, LLC2.77%14.5M$598.6M+278,822 (+2.0%)June 30, 2026
10Franklin Templeton Inc2.57%13.5M$553.8M+522,825 (+4.0%)June 30, 2026
11Amvescap Plc.2.18%11.4M$470.6M+787,371 (+7.4%)June 30, 2026
12Ameriprise Financial Inc1.90%9.9M$409.4M+1.4M (+15.8%)June 30, 2026
13Bank of New York Mellon Corp1.89%9.9M$407.6M+1.1M (+12.2%)June 30, 2026
14NORGES BANK1.88%9.9M$406.8M−2.9M (−22.9%)June 30, 2026
15Morgan Stanley - Brokerage Accounts1.47%7.7M$317.2M+1.7M (+29.1%)June 30, 2026
16FMR Inc1.43%7.5M$308.7M−2.6M (−25.7%)June 30, 2026
17The Goldman Sachs Group Inc1.39%7.3M$299.9M+1.3M (+21.9%)June 30, 2026
18Deutsche Bank AG1.30%6.8M$280.6M+287,637 (+4.4%)June 30, 2026
19Orbis Allan Gray Ltd1.12%5.9M$242.1M−7.9M (−57.3%)June 30, 2026
20Bank of America Corp1.10%5.8M$237.0M+297,991 (+5.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 18.4M shares and 4 cut 13.9M.

SW top mutual fund and ETF holders

20 largest
Smurfit WestRock plc top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.18%16.7M$686.0M−33,874 (−0.2%)August 31, 2026
2American Funds Income Fd of Amer A2.95%15.5M$636.8M+3.0M (+24.1%)June 30, 2026
3Vanguard 500 Index Investor2.66%13.9M$573.7M+165,620 (+1.2%)August 31, 2026
4Vanguard Small Cap Index2.30%12.1M$496.7M+13,930 (+0.1%)August 31, 2026
5American Funds Invmt Co of Amer A2.25%11.8M$486.8M+1.5M (+14.4%)June 30, 2026
6Capital Group Dividend Value ETF2.06%10.8M$444.8M+11,000 (+0.1%)September 30, 2026
7CREF Total Global Stock Account R31.90%10.0M$410.5M−803,720 (−7.5%)July 31, 2026
8American Funds Capital Inc Bldr A1.71%9.0M$368.6M−75,365 (−0.8%)June 30, 2026
9Vanguard MStar Small Cap Value Index1.46%7.7M$315.4M+5,826 (+0.1%)August 31, 2026
10iShares Core S&P 500 ETF1.33%7.0M$287.7M−11,248 (−0.2%)September 30, 2026
11Fidelity 500 Index1.30%6.8M$280.2M+26,160 (+0.4%)August 31, 2026
12iShares Select Dividend ETF1.23%6.5M$266.1M−2,218 (−0.0%)September 30, 2026
13State Street® SPDR® S&P 500® ETF1.23%6.5M$265.8M—September 30, 2026
14State Street®MatSelSectSPDR®ETF1.20%6.3M$259.9M−1,981 (−0.0%)September 30, 2026
15American Funds Cptl Wld Gr&Inc A1.20%6.3M$258.3M—June 30, 2026
16Causeway International Value Instl1.06%5.6M$229.3M−19,958 (−0.4%)June 30, 2026
17Invesco S&P 500® Equal Weight ETF0.88%4.6M$191.0M−9,595 (−0.2%)September 30, 2026
18Nordea 1 - Global Climate & Envir BI EUR0.62%3.3M$134.8M−532,798 (−14.0%)August 31, 2026
19Artemis UK Select R Acc0.60%3.1M$129.2M—June 30, 2026
20CREF Global Equities R30.56%3.0M$121.7M−116,569 (−3.8%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SW insider transactions

latest 5
Smurfit WestRock plc insider transactions
DateNameTransactionPriceSharesValue
2026-02-19Anthony P J SmurfitSell$51.5440,000$2.1M
2026-02-19Ken BowlesSell$51.2610,000$512,600
2026-02-17Ro KhannaBuy$50.81——
2025-11-18Gilbert Ray Cisneros, Jr.Buy$33.84——
2025-05-06Irial FinanBuy$39.2115,180$595,208

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

SW shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SW

Institutional investors own 101.8% of Smurfit WestRock's shares and insiders 0.51%. The largest holder is BlackRock Inc with 8.67% of the shares (45.5M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 5.73% of the float, or 5.89 days of average trading volume. The share count rose 134.2% since 2014.

Related: SW analyst forecast, SW key metrics, SW dividend history. See the SW stock overview for the latest quote and news.

SW ownership FAQ

Who owns the most Smurfit WestRock stock?

The largest shareholders of Smurfit WestRock are BlackRock Inc (8.67%), Capital Research Global Investors (8.13%), Vanguard Capital Management, LLC (6.53%), State Street Corp (5.35%), Nuveen, LLC (4.73%).

What percentage of Smurfit WestRock is owned by institutions?

Institutions hold 101.8% of Smurfit WestRock's shares outstanding; insiders hold 0.51%.

Which funds own Smurfit WestRock?

The largest fund holders of Smurfit WestRock are Vanguard MStar Total Stk Mkt Idx Invest (3.18%), American Funds Income Fd of Amer A (2.95%), Vanguard 500 Index Investor (2.66%), Vanguard Small Cap Index (2.30%), American Funds Invmt Co of Amer A (2.25%).

What is Smurfit WestRock's short interest?

26.4M shares of Smurfit WestRock were sold short, 5.73% of the float; at the average daily volume it would take 5.89 days to cover.

Are insiders buying or selling Smurfit WestRock?

Of the latest 5 reported insider transactions in Smurfit WestRock (since May 6, 2025), 3 were purchases and 2 were sales.

How many shares of Smurfit WestRock are outstanding?

Smurfit WestRock has 524.5M shares outstanding, of which 520.6M are in the public float.

Packaging & Containers: ownership