Smurfit Westrock plc (SW)

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Smurfit Westrock plc (SW) stock research on InvestAtlant: institutional ownership from 13F filings, insider Form 4 activity, and SEC context.

Top institutional holders (2026-Q3)

InstitutionSharesValue% Outstanding
Trinity Street Asset Management LLP 5,886,975 $259.62M 1.12%
DekaBank Deutsche Girozentrale 3,930,160 74.5K 0.75%
Artemis Investment Management LLP 3,214,979 41.78M 0.61%
Polaris Capital Management, LLC 1,490,202 $65.72M 0.28%
Vontobel Holding Ltd. 1,387,054 $61.17M 0.26%
Pictet Asset Management Holding SA 1,361,786 $60.05M 0.26%
Sumitomo Mitsui Trust Group, Inc. 1,193,682 $52.64M 0.23%
MACKENZIE FINANCIAL CORP 1,092,319 $48.17M 0.21%

Recent insider transactions

DateInsiderTitleTypeValue
2026-09-10 Page Irene Chief Accounting Officer A —
2026-09-10 Henao Alvaro See remarks A 6
2026-09-10 SMURFIT ANTHONY P J President and CEO, Director A —
2026-09-10 Page Irene Chief Accounting Officer A 0
2026-09-10 Mayer Saverio See remarks A $54
2026-09-10 Mayer Saverio See remarks A —
2026-09-10 SMURFIT ANTHONY P J President and CEO, Director A $220
2026-09-10 Henao Alvaro See remarks A —

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Holdings from SEC 13F. Insider trades from Form 4. Congress from House and Senate PTRs. Real-time market prices via TradingView.