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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
Calamos Wealth Management LLC5,627$224.2K0.01%+5,627New
Ronald Blue Trust, Inc.5,791$230.8K0.00%−10,471−64.4%Reduced
Avanza Fonder AB5,870$233.9K0.01%+253+4.5%Added
Hibernia Wealth Partners, LLC5,950$237.1K0.07%+118+2.0%Added
Blair William & Co6,064$241.7K0.00%+6,064New
Paradigm Financial Partners, LLC6,134$244.4K0.04%+919+17.6%Added
AE Wealth Management LLC6,142$244.7K0.00%−363,510−98.3%Reduced
UBS Asset Management Americas Inc6,198$247.0K0.00%+5,389+666.1%Added
Aaron Wealth Advisors6,229$248.2K0.01%+6,229New
ASR Vermogensbeheer N.V.6,300$251.1K0.00%+6,300New
Southern Financial Group, LLC6,489$258.6K0.07%+735+12.8%Added
Farringdon Capital, Ltd.6,553$261.1K0.06%+6,553New
Patton Fund Management, Inc.6,603$263.1K0.04%+502+8.2%Added
United Capital Financial Advisers, LLC6,603$263.1K0.00%−825−11.1%Reduced
CWM, LLC6,617$263.7K0.00%+2,405+57.1%Added
Twinbeech Capital LP6,700$267.0K0.03%+6,700New
Diligent Investors, LLC6,805$271.2K0.07%−735−9.7%Reduced
CAPROCK Group, Inc.6,853$273.1K0.01%+43+0.6%Added
Patten Group, Inc.7,041$280.6K0.05%+12+0.2%Added
Chicago Capital, LLC7,075$281.9K0.01%00.0%Unchanged
Mariner, LLC7,175$285.9K0.00%−13,080−64.6%Reduced
Investors Asset Management of Georgia Inc7,207$287.2K0.12%00.0%Unchanged
AlphaGrep UK Ltd7,277$290.0K0.09%+7,277New
Pflug Koory, LLC7,292$290.6K0.13%00.0%Unchanged
Fifth Third Bancorp7,359$293.3K0.00%+2,456+50.1%Added
La Banque Postale Asset Management SA7,365$293.5K0.00%−20,689−73.7%Reduced
Concentric Capital Strategies, LP7,370$293.7K0.03%+7,370New
Teacher Retirement System of Texas7,785$310.2K0.00%−9,485−54.9%Reduced
Asahi Life Asset Management Co., Ltd.8,289$330.3K0.21%−2,759−25.0%Reduced
Evergreen Capital Management LLC8,344$332.5K0.01%−4,127−33.1%Reduced
Moors & Cabot, Inc.8,466$337.4K0.01%−40.0%Reduced
TCW Group Inc8,537$340.2K0.00%+413+5.1%Added
Flagship Harbor Advisors, LLC9,125$363.6K0.02%+300+3.4%Added
AlphaStar Capital Management, LLC9,130$363.8K0.03%+9,130New
Exchange Traded Concepts, LLC9,165$365.2K0.00%+7,111+346.2%Added
Brown Brothers Harriman & Co9,265$369.2K0.00%+6,607+248.6%Added
Balyasny Asset Management LLC9,393$374.3K0.00%+1,578+20.2%Added
HB Wealth Management, LLC9,417$375.3K0.00%+9,417New
Atomi Financial Group, Inc.9,634$383.9K0.01%+895+10.2%Added
Rockefeller Capital Management L.P.9,681$385.8K0.00%−1,103−10.2%Reduced
EverSource Wealth Advisors, LLC9,877$393.6K0.01%+3,847+63.8%Added
M&T Bank Corp9,972$397.9K0.00%−1,310−11.6%Reduced
Vestcor Inc10,257$409.0K0.01%00.0%Unchanged
Ossiam10,555$420.6K0.01%+4,786+83.0%Added
Capital International Inc10,844$432.1K0.00%+3,047+39.1%Added
626 Financial, LLC10,860$432.8K0.19%−2,695−19.9%Reduced
Snowden Capital Advisors LLC10,979$437.5K0.01%+10,979New
Tower Research Capital LLC (TRC)11,273$449.2K0.01%−613−5.2%Reduced
GAMMA Investing LLC11,307$450.6K0.02%+7,260+179.4%Added
Wiley Bros.-Aintree Capital, LLC11,420$455.5K0.00%+1,813+18.9%Added
Peloton Wealth Strategists11,700$466.0K0.19%+11,700New
Citizens Financial Group Inc11,840$471.8K0.01%+213+1.8%Added
Mangrove Partners11,879$473.4K0.04%+11,879New
Wealth Alliance11,985$477.6K0.05%+11,985New
Everence Capital Management Inc12,168$485.0K0.03%−5,642−31.7%Reduced
MML Investors Services, LLC12,299$490.1K0.00%−480−3.8%Reduced
DRW Securities, LLC12,358$492.5K0.03%+12,358New
Caitong International Asset Management Co., Ltd12,751$508.1K0.09%+12,443+4,039.9%Added
Weatherly Asset Management L. P.12,769$508.8K0.04%−1,496−10.5%Reduced
AMG National Trust Bank12,794$509.8K0.01%+3,171+33.0%Added
Harbour Capital Advisors, LLC13,125$520.9K0.10%+13,125New
Prosperity Consulting Group, LLC13,083$521.4K0.02%+1,620+14.1%Added
Wealthfront Advisers LLC13,406$534.2K0.00%+3,662+37.6%Added
Wahed Invest LLC13,575$541.0K0.07%−146−1.1%Reduced
Nomura Holdings Inc13,642$543.6K0.00%+4,375+47.2%Added
Kentucky Retirement Systems Insurance Trust Fund13,710$546.3K0.04%00.0%Unchanged
Sequoia Financial Advisors, LLC13,837$551.4K0.00%+2,886+26.4%Added
Squarepoint Ops LLC13,887$553.4K0.00%−29−0.2%Reduced
CenterBook Partners LP13,921$554.8K0.03%+13,921New
V-Square Quantitative Management LLC13,930$555.1K0.06%+218+1.6%Added
Securian Asset Management, Inc14,099$561.8K0.02%−100−0.7%Reduced
Axq Capital, LP14,127$563.0K0.07%+1,981+16.3%Added
Advisor Group Holdings, Inc.14,310$570.3K0.00%−4,441−23.7%Reduced
Prelude Capital Management, LLC14,341$571.5K0.04%+739+5.4%Added
Nomura Asset Management International Inc.14,385$573.0K0.00%+14,385New
MUFG Securities Americas Inc.14,455$576.0K0.04%+387+2.8%Added
Profund Advisors LLC14,986$597.2K0.02%+2,116+16.4%Added
Stance Capital LLC15,045$599.5K0.29%−23,828−61.3%Reduced
North Dakota State Investment Board15,058$600.1K0.03%−2,808−15.7%Reduced
Park Avenue Securities LLC15,857$632.0K0.00%+1,734+12.3%Added
Janney Montgomery Scott LLC15,914$634.0K0.00%−2,172−12.0%Reduced
Icon Wealth Advisors, LLC16,052$636.9K0.04%00.0%Unchanged
Trium Capital LLP16,190$645.2K0.47%−6,934−30.0%Reduced
Burney Co16,397$653.4K0.02%−400−2.4%Reduced
Merit Financial Group, LLC16,497$657.4K0.00%+1,778+12.1%Added
QRG Capital Management, Inc.16,526$658.6K0.01%+6,307+61.7%Added
Farther Finance Advisors, LLC16,424$659.1K0.01%+14,261+659.3%Added
Omers Administration Corp16,582$660.8K0.00%+5,715+52.6%Added
Capital Group Private Client Services, Inc.16,732$666.8K0.01%+2,555+18.0%Added
J. Goldman & Co LP17,500$697.4K0.03%+17,500New
Crossmark Global Holdings, Inc.17,544$699.1K0.01%−1,987−10.2%Reduced
Perpetual Ltd17,696$705.2K0.01%+1,408+8.6%Added
Verition Fund Management LLC17,864$711.9K0.01%−76,096−81.0%Reduced
Truist Financial Corp17,894$713.1K0.00%+1,991+12.5%Added
Allianz Asset Management GmbH18,082$720.6K0.00%−27,002−59.9%Reduced
Moody National Bank Trust Division18,145$723.1K0.07%−158−0.9%Reduced
Paradigm Capital Management Inc18,180$724.5K0.03%00.0%Unchanged
EFG International AG18,313$729.8K0.02%+16,748+1,070.2%Added
Creative Planning18,326$730.3K0.00%+10,974+149.3%Added
Miracle Mile Advisors, LLC18,354$731.4K0.01%+123+0.7%Added