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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
+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.

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: 597 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: $20.2BQ4 2024: $23.4BQ1 2025: $19.7BQ2 2025: $19.5BQ3 2025: $19.3BQ4 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$19.3B
Q2 2025580$19.5B
Q1 2025597$19.7B
Q4 2024604$23.4B
Q3 2024507$20.2B
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
Assenagon Asset Management S.A.19,191$764.8K0.00%−1,392−6.8%Reduced
Saudi Central Bank19,274$768.1K0.02%+19,274New
Summit Trail Advisors, LLC19,876$792.1K0.01%+1,680+9.2%Added
VisionPoint Advisory Group, LLC20,396$812.8K0.15%+20,396New
Nicholas Hoffman & Company, LLC.20,443$814.7K0.02%00.0%Unchanged
Northwestern Mutual Wealth Management Co20,737$826.4K0.00%+8,323+67.0%Added
NewEdge Wealth, LLC20,753$827.0K0.01%−1,466−6.6%Reduced
Federation des caisses Desjardins du Quebec21,017$837.5K0.00%+4,653+28.4%Added
J. Safra Sarasin Holding AG21,335$849.4K0.01%−4,501−17.4%Reduced
MUFG Securities EMEA plc21,429$853.9K0.01%00.0%Unchanged
Ascent Group, LLC21,495$856.6K0.03%+4,518+26.6%Added
Capital International Sarl21,564$859.3K0.01%+21,564New
Allspring Global Investments Holdings, LLC21,632$868.1K0.00%+495+2.3%Added
GeoWealth Management, LLC21,821$869.6K0.03%+4,498+26.0%Added
Cambridge Investment Research Advisors, Inc.21,828$870.0K0.00%−332−1.5%Reduced
Catalytic Wealth RIA, LLC21,838$870.2K0.04%+4,312+24.6%Added
Empowered Funds, LLC22,363$891.2K0.01%−11,821−34.6%Reduced
Mercer Global Advisors Inc22,374$891.6K0.00%+226+1.0%Added
TIAA Wealth Investment Management LLC22,960$915.0K0.01%+22,960New
Abacus Planning Group, Inc.23,066$919.2K0.12%00.0%Unchanged
Redmond Asset Management, LLC23,312$929.0K0.25%−2,142−8.4%Reduced
Dynamic Technology Lab Private Ltd23,704$944.6K0.15%+23,704New
Cresset Asset Management, LLC23,895$952.2K0.00%+23,895New
New Mexico Educational Retirement Board23,985$956.0K0.03%00.0%Unchanged
Tokio Marine Asset Management Co Ltd24,280$967.6K0.03%+3,330+15.9%Added
National Bank of Canada24,351$971.0K0.00%−249,642−91.1%Reduced
Wharton Business Group, LLC24,862$990.8K0.04%−1,880−7.0%Reduced
Edentree Asset Management Ltd25,000$996.3K0.30%00.0%Unchanged
Maryland State Retirement & Pension System25,321$1.01M0.02%00.0%Unchanged
Abn Amro Investment Solutions25,438$1.01M0.01%+25,438New
Engineers Gate Manager LP25,483$1.02M0.01%−140,603−84.7%Reduced
Legacy Wealth Asset Management, LLC25,511$1.02M0.25%+15,925+166.1%Added
Robeco Institutional Asset Management B.V.25,600$1.02M0.00%−82−0.3%Reduced
Recurrent Investment Advisors LLC26,095$1.04M0.06%+13,874+113.5%Added
XTX Topco Ltd26,182$1.04M0.02%+12,887+96.9%Added
Louisiana State Employees Retirement System26,600$1.06M0.02%−100−0.4%Reduced
JustInvest LLC26,705$1.06M0.01%+8,242+44.6%Added
MASTERINVEST Kapitalanlage GmbH27,408$1.07M0.11%+27,408New
Optiver Holding B.V.26,941$1.07M0.04%+26,941New
Alerus Financial NA27,168$1.08M0.05%+27,168New
Osmosis Investment Management UK Ltd27,967$1.11M0.03%+27,967New
Bank Julius Baer & Co. Ltd, Zurich29,196$1.16M0.00%−2,980−9.3%Reduced
O'Shaughnessy Asset Management, LLC29,444$1.17M0.01%+21,111+253.3%Added
Norinchukin Bank, The29,959$1.19M0.01%+138+0.5%Added
Callan Family Office, LLC30,525$1.22M0.03%+13,579+80.1%Added
Nisa Investment Advisors, LLC30,632$1.22M0.00%−2,136−6.5%Reduced
D. E. Shaw & Co., Inc.30,703$1.22M0.00%+22,587+278.3%Added
Paragon Capital Management Inc30,704$1.22M1.04%+30,704New
Sterling Capital Management LLC30,801$1.23M0.02%−16,296−34.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.31,284$1.25M0.00%00.0%Unchanged
HighTower Advisors, LLC31,362$1.25M0.00%+6,018+23.7%Added
Mizuho Securities USA LLC31,581$1.26M0.03%−6,441−16.9%Reduced
Investors Research Corp31,620$1.26M0.24%−200−0.6%Reduced
Fideuram Asset Management (Ireland) dac29,085$1.26M0.16%+27,519+1,757.3%Added
Federated Hermes, Inc.32,028$1.28M0.00%−8,621−21.2%Reduced
Teachers Retirement System of the State of Kentucky32,382$1.29M0.01%+12,000+58.9%Added
Lombard Odier Asset Management (USA) Corp32,500$1.30M0.70%+32,500New
Turim 21 Investimentos Ltda.14,705$1.30M0.37%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund32,824$1.31M0.00%+12,181+59.0%Added
Atria Investments LLC33,391$1.33M0.01%+14,376+75.6%Added
Polianta Ltd33,900$1.35M0.18%−3,700−9.8%Reduced
Greenwood Capital Associates LLC33,907$1.35M0.15%+2,360+7.5%Added
Mainstay Capital Management LLC34,759$1.39M0.11%−1,363−3.8%Reduced
Westwood Holdings Group Inc.36,459$1.45M0.01%+437+1.2%Added
Rafferty Asset Management, LLC36,540$1.46M0.01%−7,192−16.4%Reduced
Toroso Investments, LLC36,718$1.46M0.00%+6,969+23.4%Added
Fruth Investment Management37,037$1.48M0.37%−285−0.8%Reduced
Neuberger Berman Group LLC37,473$1.49M0.00%+19,006+102.9%Added
Commonwealth Equity Services, LLC39,445$1.57M0.00%−111−0.3%Reduced
Macquarie Group Ltd39,752$1.58M0.01%−4,430−10.0%Reduced
Adams Natural Resources Fund, Inc.41,300$1.65M0.19%00.0%Unchanged
AustralianSuper Pty Ltd41,462$1.65M0.01%−9,140−18.1%Reduced
Alpha Omega Wealth Management LLC41,828$1.67M0.27%−7,236−14.7%Reduced
Pinnacle Associates Ltd42,048$1.68M0.02%−590−1.4%Reduced
Banque Cantonale Vaudoise42,154$1.68M0.06%+17,794+73.0%Added
Pacer Advisors, Inc.43,029$1.72M0.00%−15,101−26.0%Reduced
Broyhill Asset Management43,876$1.75M1.72%+43,876New
Swedbank AB44,304$1.77M0.00%00.0%Unchanged
Investment Management Corp of Ontario44,648$1.78M0.02%+1,900+4.4%Added
Diversified Trust Co44,753$1.78M0.03%−14,379−24.3%Reduced
Flputnam Investment Management Co46,720$1.86M0.03%+46,720New
Prudential Financial Inc48,997$1.95M0.00%−3,869−7.3%Reduced
Captrust Financial Advisors50,755$2.02M0.00%+16,178+46.8%Added
Lombard Odier Asset Management (Switzerland) SA51,160$2.04M0.08%+24,307+90.5%Added
Cerity Partners LLC51,797$2.06M0.00%+5,689+12.3%Added
Public Employees Retirement Association of Colorado52,316$2.08M0.01%00.0%Unchanged
State of Alaska, Department of Revenue52,380$2.09M0.02%+305+0.6%Added
Mutual of America Capital Management LLC55,555$2.21M0.03%−500−0.9%Reduced
Yousif Capital Management, LLC55,963$2.23M0.03%−2,122−3.7%Reduced
The PNC Financial Services Group, Inc.57,112$2.28M0.00%+13,049+29.6%Added
Vestmark Advisory Solutions, Inc.57,188$2.28M0.03%−9,277−14.0%Reduced
Cetera Investment Advisers58,797$2.34M0.00%+8,475+16.8%Added
Oregon Public Employees Retirement Fund59,745$2.38M0.03%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC61,063$2.40M0.01%−33,863−35.7%Reduced
BIP Wealth, LLC61,991$2.47M0.10%−388−0.6%Reduced
Agman Capital LLC62,026$2.47M1.97%−1,111−1.8%Reduced
CI Private Wealth, LLC62,763$2.48M0.00%+53,455+574.3%Added
Davenport & Co LLC62,635$2.50M0.01%+2,681+4.5%Added
Allstate Corp63,044$2.51M0.03%+25,502+67.9%Added
STRS Ohio63,361$2.52M0.01%−190.0%Reduced