Smurfit Westrock plc
SW- Exchange
- NYSE
- Industry
- Paperboard Containers & Boxes
- SEC CIK
- 0002005951
No open-market purchases or sales by Smurfit Westrock plc insiders were filed in the last 90 days; 643 institutions reported holding it in 13F filings for Q2 2026, worth $23.3B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Smurfit Westrock plc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 617
- +31 vs. Q4 2025
- Shares held
- 476.8M
- +93.7M (+24.4%) vs. Q4 2025
- Total value
- $19.0B
- +$4.16B (+28.1%) vs. Q4 2025
- New holders
- 102
- 264 more added
- Sold out
- 71
- 175 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 643 | $23.3B |
| Q1 2026 | 617 | $19.0B |
| Q4 2025 | 596 | $17.8B |
| Q3 2025 | 602 | $19.3B |
| Q2 2025 | 580 | $19.5B |
| Q1 2025 | 597 | $19.7B |
| Q4 2024 | 604 | $23.4B |
| Q3 2024 | 507 | $20.2B |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Smurfit Westrock plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 279,635 | $11.1M | 0.03% | +9,367+3.5% | Added |
| Artemis Investment Management LLP | 291,448 | $11.6M | 0.12% | −2,235−0.8% | Reduced |
| Korea Investment CORP | 299,157 | $11.9M | 0.02% | +151,780+103.0% | Added |
| Marathon Asset Mgmt Ltd | 302,940 | $12.1M | 0.46% | +36,109+13.5% | Added |
| TD Asset Management Inc | 306,200 | $12.2M | 0.01% | +25,617+9.1% | Added |
| Ramirez Asset Management, Inc. | 315,203 | $12.5M | 1.51% | +131,110+71.2% | Added |
| South Dakota Investment Council | 321,477 | $12.8M | 0.24% | −69,318−17.7% | Reduced |
| Banque Pictet & Cie SA | 322,925 | $12.9M | 0.15% | −26,456−7.6% | Reduced |
| Vident Advisory, LLC | 329,192 | $13.1M | 0.11% | +88,155+36.6% | Added |
| Natixis Advisors, L.P. | 339,377 | $13.5M | 0.02% | +87,763+34.9% | Added |
| Standard Life Aberdeen plc | 339,996 | $13.5M | 0.02% | +10,353+3.1% | Added |
| Los Angeles Capital Management LLC | 340,020 | $13.5M | 0.05% | +200,893+144.4% | Added |
| Victory Capital Management Inc | 343,649 | $13.7M | 0.01% | +168,051+95.7% | Added |
| New York State Teachers Retirement System | 354,796 | $14.1M | 0.03% | +29,278+9.0% | Added |
| Quantinno Capital Management LP | 358,331 | $14.3M | 0.02% | +156,635+77.7% | Added |
| Wells Fargo & Company | 378,594 | $15.1M | 0.00% | +172,308+83.5% | Added |
| Zurich Insurance Group Ltd | 400,187 | $15.7M | 0.12% | −266,602−40.0% | Reduced |
| Cambiar Investors LLC | 408,283 | $16.3M | 0.75% | +5,873+1.5% | Added |
| Royal London Asset Management Ltd | 419,469 | $16.7M | 0.04% | +180,837+75.8% | Added |
| Groupama Asset Managment | 564,888 | $16.8M | 0.25% | −18,997−3.3% | Reduced |
| State Board of Administration of Florida Retirement System | 431,897 | $17.2M | 0.03% | −4,177−1.0% | Reduced |
| Scopus Asset Management, L.P. | 440,000 | $17.5M | 0.55% | +440,000 | New |
| Redwood Grove Capital, LLC | 449,636 | $17.9M | 5.78% | +38,000+9.2% | Added |
| Sycomore Asset Management | 488,737 | $18.0M | 2.59% | 00.0% | Unchanged |
| Arnhold LLC | 462,368 | $18.3M | 1.34% | 00.0% | Unchanged |
| Holowesko Partners Ltd. | 459,200 | $18.3M | 5.13% | +11,700+2.6% | Added |
| Savant Capital, LLC | 467,983 | $18.6M | 0.09% | +581+0.1% | Added |
| Wellington Management Group LLP | 479,470 | $19.1M | 0.00% | +44,077+10.1% | Added |
| Eurizon Capital SGR S.p.A. | 486,416 | $19.3M | 0.06% | +486,416 | New |
| Citadel Advisors LLC | 496,692 | $19.8M | 0.01% | −2,209,592−81.6% | Reduced |
| Worldquant Millennium Advisors LLC | 496,871 | $19.8M | 0.08% | +425,760+598.7% | Added |
| American Century Companies Inc | 551,077 | $22.0M | 0.01% | +369,352+203.2% | Added |
| SG Americas Securities, LLC | 555,264 | $22.1M | 0.02% | +402,911+264.5% | Added |
| Salem Investment Counselors Inc | 570,563 | $22.7M | 0.67% | +16,506+3.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 584,025 | $22.9M | 0.04% | −393,362−40.2% | Reduced |
| Evelyn Partners Investment Management LLP | 603,376 | $24.0M | 0.65% | −87,647−12.7% | Reduced |
| California State Teachers Retirement System | 603,376 | $24.0M | 0.03% | −31,486−5.0% | Reduced |
| Brown Advisory Inc | 619,368 | $24.7M | 0.04% | +89,752+16.9% | Added |
| Compagnie Lombard Odier SCmA | 620,957 | $24.7M | 0.30% | −55,265−8.2% | Reduced |
| Envestnet Asset Management Inc | 635,590 | $25.3M | 0.01% | +141,712+28.7% | Added |
| Mackenzie Financial Corp | 670,099 | $26.4M | 0.03% | +214,122+47.0% | Added |
| Alps Advisors Inc | 662,744 | $26.4M | 0.12% | −11,794−1.7% | Reduced |
| Lakewood Capital Management, LP | 675,897 | $26.9M | 1.73% | −509,400−43.0% | Reduced |
| ExodusPoint Capital Management, LP | 676,290 | $27.0M | 0.27% | +663,619+5,237.3% | Added |
| Gotham Asset Management, LLC | 699,914 | $27.9M | 0.09% | +43,418+6.6% | Added |
| Principal Financial Group Inc | 704,670 | $28.1M | 0.01% | +27,527+4.1% | Added |
| Man Group plc | 724,841 | $28.9M | 0.06% | +226,623+45.5% | Added |
| Bank of Montreal | 730,081 | $29.1M | 0.01% | +344,074+89.1% | Added |
| Patten & Patten Inc | 774,162 | $30.9M | 1.86% | −1,568−0.2% | Reduced |
| Van Eck Associates Corp | 774,179 | $30.9M | 0.02% | +156,744+25.4% | Added |
| Oslo Pensjonsforsikring AS | 837,817 | $33.4M | 5.20% | +837,817 | New |
| California Public Employees Retirement System | 847,401 | $33.8M | 0.02% | −23,407−2.7% | Reduced |
| KBC Group NV | 875,030 | $34.9M | 0.09% | +440,279+101.3% | Added |
| Russell Investments Group, Ltd. | 921,918 | $36.7M | 0.04% | −97,354−9.6% | Reduced |
| Rhumbline Advisers | 930,822 | $37.1M | 0.03% | −19,968−2.1% | Reduced |
| Capital International Investors | 947,319 | $37.8M | 0.01% | +559,552+144.3% | Added |
| Exane Asset Management | 836,638 | $38.4M | 7.85% | +271,700+48.1% | Added |
| Vanguard Asset Management, Ltd | 1,032,139 | $41.1M | 0.04% | +1,032,139 | New |
| Verbena Value LP | 1,076,500 | $42.9M | 7.02% | +431,900+67.0% | Added |
| HSBC Holdings PLC | 1,110,677 | $44.1M | 0.03% | +1,110,677 | New |
| Price T Rowe Associates Inc | 1,123,272 | $44.8M | 0.01% | +74,653+7.1% | Added |
| FIL Ltd | 1,157,416 | $46.2M | 0.04% | −6,947,887−85.7% | Reduced |
| Vanguard Global Advisers, LLC | 1,162,365 | $46.3M | 0.02% | +1,162,365 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,173,007 | $46.7M | 0.03% | +51,045+4.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,179,837 | $47.0M | 0.03% | +39,013+3.4% | Added |
| Aviva PLC | 1,212,655 | $47.8M | 0.08% | +14,839+1.2% | Added |
| Manufacturers Life Insurance Company, The | 1,218,471 | $48.5M | 0.04% | +38,940+3.3% | Added |
| Vontobel Holding Ltd. | 1,222,803 | $48.7M | 0.17% | −46,332−3.7% | Reduced |
| Cullen Capital Management LLC | 1,245,910 | $49.6M | 0.51% | +321,462+34.8% | Added |
| BNP Paribas Arbitrage, SA | 1,300,851 | $51.8M | 0.03% | +85,183+7.0% | Added |
| Polaris Capital Management, LLC | 1,366,550 | $54.5M | 4.46% | −81,100−5.6% | Reduced |
| Pictet Asset Management Holding SA | 1,419,085 | $56.6M | 0.06% | −1,559,937−52.4% | Reduced |
| SEI Investments Co | 1,497,967 | $59.7M | 0.06% | −310,239−17.2% | Reduced |
| Sound Shore Management Inc | 1,509,136 | $60.1M | 2.02% | +1,509,136 | New |
| Swiss National Bank | 1,532,397 | $61.1M | 0.04% | +101,500+7.1% | Added |
| Barclays PLC | 1,611,323 | $64.2M | 0.02% | −1,591,326−49.7% | Reduced |
| First Trust Advisors LP | 1,751,085 | $69.8M | 0.05% | +406,868+30.3% | Added |
| Alliancebernstein L.P. | 1,867,831 | $72.2M | 0.02% | −333,017−15.1% | Reduced |
| Royal Bank of Canada | 1,820,494 | $72.5M | 0.01% | +88,309+5.1% | Added |
| Lansdowne Partners (UK) LLP | 1,870,219 | $74.5M | 3.99% | +1,612,995+627.1% | Added |
| Alberta Investment Management Corp | 1,944,236 | $77.5M | 0.48% | +548,600+39.3% | Added |
| Citigroup Inc | 1,954,583 | $77.9M | 0.05% | +215,504+12.4% | Added |
| Massachusetts Financial Services Co | 2,387,334 | $96.3M | 0.03% | −172,494−6.7% | Reduced |
| Thompson Siegel & Walmsley LLC | 2,445,235 | $97.4M | 1.72% | −108,800−4.3% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 2,520,236 | $100.4M | 1.38% | +118,088+4.9% | Added |
| Ruffer LLP | 2,786,197 | $111.3M | 4.56% | −1,717,954−38.1% | Reduced |
| Vanguard Fiduciary Trust Co | 2,941,492 | $117.2M | 0.03% | +2,941,492 | New |
| Charles Schwab Investment Management Inc | 3,538,580 | $141.0M | 0.02% | +203,729+6.1% | Added |
| Canada Pension Plan Investment Board | 3,757,109 | $149.7M | 0.10% | +3,757,109 | New |
| Amundi | 3,964,673 | $158.0M | 0.04% | −190,316−4.6% | Reduced |
| UBS Group AG | 4,003,393 | $159.5M | 0.03% | +382,716+10.6% | Added |
| JPMorgan Chase & Co | 4,410,010 | $168.7M | 0.01% | +1,191,195+37.0% | Added |
| Legal & General Group Plc | 4,484,439 | $177.9M | 0.04% | −103,548−2.3% | Reduced |
| Northern Trust Corp | 4,705,981 | $187.5M | 0.02% | −75,927−1.6% | Reduced |
| Dimensional Fund Advisors LP | 4,848,130 | $193.1M | 0.04% | +160,510+3.4% | Added |
| AQR Capital Management LLC | 5,043,214 | $198.2M | 0.09% | −680,886−11.9% | Reduced |
| Bank of America Corp | 5,460,163 | $217.6M | 0.02% | +318,336+6.2% | Added |
| Nordea Investment Management AB | 6,017,633 | $234.9M | 0.22% | +567,551+10.4% | Added |
| Morgan Stanley | 5,971,038 | $237.9M | 0.01% | +723,515+13.8% | Added |
| Goldman Sachs Group Inc | 5,975,778 | $238.1M | 0.03% | +2,888,770+93.6% | Added |