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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
+29 vs. Q4 2025
Shares held
476.8M
+80.5M (+20.3%) vs. Q4 2025
Total value
$19.0B
+$3.65B (+23.8%) vs. Q4 2025
New holders
102
263 more added
Sold out
73
176 more reduced

8 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.

Institutional holdersQ1 2026: 617 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 507 institutionsQ4 2024: 604 institutionsQ1 2025: 596 institutionsQ2 2025: 580 institutionsQ3 2025: 602 institutionsQ4 2025: 596 institutionsQ1 2026: 617 institutionsQ2 2026: 643 institutions
Value heldQ1 2026: $19.0B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $23.7BQ4 2024: $23.6BQ1 2025: $19.7BQ2 2025: $19.5BQ3 2025: $19.6BQ4 2025: $17.8BQ1 2026: $19.0BQ2 2026: $23.3B
Institutions holding SW and their total value by quarter
QuarterHoldersValue
Q2 2026643$23.3B
Q1 2026617$19.0B
Q4 2025596$17.8B
Q3 2025602$19.6B
Q2 2025580$19.5B
Q1 2025596$19.7B
Q4 2024604$23.6B
Q3 2024507$23.7B
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Smurfit Westrock plc; share changes are against Q4 2025.

Institutions holding SW in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.44,804,829$1.79B0.03%+566,300+1.3%Added
Capital Research Global Investors38,971,751$1.55B0.24%+2,844,074+7.9%Added
Vanguard Capital Management LLC33,960,747$1.35B0.03%+33,960,747New
State Street Corp25,258,844$1.01B0.03%+606,712+2.5%Added
Nuveen, LLC24,590,686$979.9M0.27%+2,317,483+10.4%Added
Vanguard Portfolio Management LLC24,315,691$969.0M0.05%+24,315,691New
Causeway Capital Management LLC15,566,028$620.3M7.61%−3,566,851−18.6%Reduced
Geode Capital Management, LLC14,265,503$566.4M0.04%+469,516+3.4%Added
Orbis Allan Gray Ltd13,775,054$548.9M2.32%−181,814−1.3%Reduced
Franklin Resources Inc12,932,618$515.7M0.13%+6,095,304+89.1%Added
Capital World Investors12,472,417$497.0M0.07%+12,472,417New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main10,678,423$425.2M0.39%+9,890,684+1,255.6%Added
Invesco Ltd.10,645,905$424.2M0.04%+1,103,368+11.6%Added
FMR LLC10,092,067$402.2M0.02%−1,036,967−9.3%Reduced
Bank of New York Mellon Corp8,823,021$351.6M0.06%−231,008−2.6%Reduced
Ameriprise Financial Inc8,593,814$342.5M0.08%−79,630−0.9%Reduced
Deutsche Bank AG6,529,550$260.2M0.09%−723,460−10.0%Reduced
Goldman Sachs Group Inc5,975,778$238.1M0.03%+2,888,770+93.6%Added
Morgan Stanley5,971,038$237.9M0.01%+723,515+13.8%Added
Nordea Investment Management AB6,017,633$234.9M0.22%+567,551+10.4%Added
Bank of America Corp5,460,163$217.6M0.02%+318,336+6.2%Added
AQR Capital Management LLC5,043,214$198.2M0.09%−680,886−11.9%Reduced
Dimensional Fund Advisors LP4,848,130$193.1M0.04%+160,510+3.4%Added
Northern Trust Corp4,705,981$187.5M0.02%−75,927−1.6%Reduced
Legal & General Group Plc4,484,439$177.9M0.04%−103,548−2.3%Reduced
JPMorgan Chase & Co4,410,010$168.7M0.01%+1,191,195+37.0%Added
UBS Group AG4,003,393$159.5M0.03%+382,716+10.6%Added
Amundi3,964,673$158.0M0.04%−190,316−4.6%Reduced
Canada Pension Plan Investment Board3,757,109$149.7M0.10%+3,757,109New
Charles Schwab Investment Management Inc3,538,580$141.0M0.02%+203,729+6.1%Added
Vanguard Fiduciary Trust Co2,941,492$117.2M0.03%+2,941,492New
Ruffer LLP2,786,197$111.3M4.56%−1,717,954−38.1%Reduced
Soros Fund Management LLCSuperinvestorSoros Fund Management2,520,236$100.4M1.38%+118,088+4.9%Added
Thompson Siegel & Walmsley LLC2,445,235$97.4M1.72%−108,800−4.3%Reduced
Massachusetts Financial Services Co2,387,334$96.3M0.03%−172,494−6.7%Reduced
Citigroup Inc1,954,583$77.9M0.05%+215,504+12.4%Added
Alberta Investment Management Corp1,944,236$77.5M0.48%+548,600+39.3%Added
Lansdowne Partners (UK) LLP1,870,219$74.5M3.99%+1,612,995+627.1%Added
Royal Bank of Canada1,820,494$72.5M0.01%+88,309+5.1%Added
Alliancebernstein L.P.1,867,831$72.2M0.02%−333,017−15.1%Reduced
First Trust Advisors LP1,751,085$69.8M0.05%+406,868+30.3%Added
Barclays PLC1,611,323$64.2M0.02%−1,591,326−49.7%Reduced
Swiss National Bank1,532,397$61.1M0.04%+101,500+7.1%Added
Sound Shore Management Inc1,509,136$60.1M2.02%+1,509,136New
SEI Investments Co1,497,967$59.7M0.06%−310,239−17.2%Reduced
Pictet Asset Management Holding SA1,419,085$56.6M0.06%−1,559,937−52.4%Reduced
Polaris Capital Management, LLC1,366,550$54.5M4.46%−81,100−5.6%Reduced
BNP Paribas Arbitrage, SA1,300,851$51.8M0.03%+85,183+7.0%Added
Cullen Capital Management LLC1,245,910$49.6M0.51%+321,462+34.8%Added
Vontobel Holding Ltd.1,222,803$48.7M0.17%−46,332−3.7%Reduced
Manufacturers Life Insurance Company, The1,218,471$48.5M0.04%+38,940+3.3%Added
Aviva PLC1,212,655$47.8M0.08%+14,839+1.2%Added
Sumitomo Mitsui Trust Holdings, Inc.1,179,837$47.0M0.03%+39,013+3.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,173,007$46.7M0.03%+51,045+4.5%Added
Vanguard Global Advisers, LLC1,162,365$46.3M0.02%+1,162,365New
FIL Ltd1,157,416$46.2M0.04%−6,947,887−85.7%Reduced
Price T Rowe Associates Inc1,123,272$44.8M0.01%+74,653+7.1%Added
HSBC Holdings PLC1,110,677$44.1M0.03%+1,110,677New
Verbena Value LP1,076,500$42.9M7.02%+431,900+67.0%Added
Vanguard Asset Management, Ltd1,032,139$41.1M0.04%+1,032,139New
Exane Asset Management836,638$38.4M7.85%+271,700+48.1%Added
Capital International Investors947,319$37.8M0.01%+559,552+144.3%Added
Rhumbline Advisers930,822$37.1M0.03%−19,968−2.1%Reduced
Russell Investments Group, Ltd.921,918$36.7M0.04%−97,354−9.6%Reduced
KBC Group NV875,030$34.9M0.09%+440,279+101.3%Added
California Public Employees Retirement System847,401$33.8M0.02%−23,407−2.7%Reduced
Oslo Pensjonsforsikring AS837,817$33.4M5.20%+837,817New
Van Eck Associates Corp774,179$30.9M0.02%+156,744+25.4%Added
Patten & Patten Inc774,162$30.9M1.86%−1,568−0.2%Reduced
Bank of Montreal730,081$29.1M0.01%+344,074+89.1%Added
Man Group plc724,841$28.9M0.06%+226,623+45.5%Added
Principal Financial Group Inc704,670$28.1M0.01%+27,527+4.1%Added
Gotham Asset Management, LLC699,914$27.9M0.09%+43,418+6.6%Added
ExodusPoint Capital Management, LP676,290$27.0M0.27%+663,619+5,237.3%Added
Lakewood Capital Management, LP675,897$26.9M1.73%−509,400−43.0%Reduced
Alps Advisors Inc662,744$26.4M0.12%−11,794−1.7%Reduced
Mackenzie Financial Corp670,099$26.4M0.03%+214,122+47.0%Added
Envestnet Asset Management Inc635,590$25.3M0.01%+141,712+28.7%Added
Compagnie Lombard Odier SCmA620,957$24.7M0.30%−55,265−8.2%Reduced
Brown Advisory Inc619,368$24.7M0.04%+89,752+16.9%Added
Evelyn Partners Investment Management LLP603,376$24.0M0.65%−87,647−12.7%Reduced
California State Teachers Retirement System603,376$24.0M0.03%−31,486−5.0%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH584,025$22.9M0.04%−393,362−40.2%Reduced
Salem Investment Counselors Inc570,563$22.7M0.67%+16,506+3.0%Added
SG Americas Securities, LLC555,264$22.1M0.02%+402,911+264.5%Added
American Century Companies Inc551,077$22.0M0.01%+369,352+203.2%Added
Worldquant Millennium Advisors LLC496,871$19.8M0.08%+425,760+598.7%Added
Citadel Advisors LLC496,692$19.8M0.01%−2,209,592−81.6%Reduced
Eurizon Capital SGR S.p.A.486,416$19.3M0.06%+486,416New
Wellington Management Group LLP479,470$19.1M0.00%+44,077+10.1%Added
Savant Capital, LLC467,983$18.6M0.09%+581+0.1%Added
Holowesko Partners Ltd.459,200$18.3M5.13%+11,700+2.6%Added
Arnhold LLC462,368$18.3M1.34%00.0%Unchanged
Sycomore Asset Management488,737$18.0M2.51%00.0%Unchanged
Redwood Grove Capital, LLC449,636$17.9M5.78%+38,000+9.2%Added
Scopus Asset Management, L.P.440,000$17.5M0.55%+440,000New
State Board of Administration of Florida Retirement System431,897$17.2M0.03%−4,177−1.0%Reduced
Groupama Asset Managment564,888$16.8M0.25%−18,997−3.3%Reduced
Royal London Asset Management Ltd419,469$16.7M0.04%+180,837+75.8%Added
Cambiar Investors LLC408,283$16.3M0.75%+5,873+1.5%Added