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Public ownership evidence

Smurfit Westrock plc (SW) Ownership Disclosures

Read SW insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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2026-09-142026-09-10SMURFIT ANTHONY P JA486Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-10 and its public availability date is 2026-09-14. Subtracting those calendar dates gives 4 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001628280-26-061765 ↗SEC 0001628280-26-061765 ↗SEC 0001628280-26-061764 ↗

Recent Form 4 activity

Inspect all 30 displayed rows: Recent Form 4 activity

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2026-09-142026-09-10SMURFIT ANTHONY P JA486Not reported
2026-09-142026-09-10SMURFIT ANTHONY P JA910Not reported
2026-09-142026-09-10Page IreneA23Not reported
2026-09-142026-09-10Page IreneA152Not reported
2026-09-142026-09-10Mayer SaverioA119Not reported
2026-09-142026-09-10Mayer SaverioA403Not reported
2026-09-142026-09-10Henao AlvaroA35Not reported
2026-09-142026-09-10Henao AlvaroA208Not reported
2026-09-142026-09-10Sellier LaurentA140Not reported
2026-09-142026-09-10Sellier LaurentA335Not reported
2026-09-142026-09-10Garren BenA56Not reported
2026-09-142026-09-10Bowles KenA140Not reported
2026-09-142026-09-10Bowles KenA458Not reported
2026-09-142026-09-10Fairweather CarolA48Not reported
2026-09-142026-09-10FergusonMchugh MaryLynnA48Not reported
2026-09-142026-09-10WILSON ALAN DA673.69Not reported
2026-09-142026-09-10Finan IrialA75Not reported
2026-09-142026-09-10Hietala KaisaA48Not reported
2026-09-142026-09-10Harrison Suzan F.A48Not reported
2026-09-142026-09-10Arnold Colleen F.A343.77Not reported
2026-09-142026-09-10BERNLOHR TIMOTHY JA48Not reported
2026-09-142026-09-10Brown Carole LynnetteA48Not reported
2026-09-142026-09-10Rasmussen Jorgen BuhlA48Not reported
2026-08-192026-08-14Bowles KenA234Not reported
2026-08-192026-08-14SMURFIT ANTHONY P JA784Not reported
2026-08-192026-08-14Page IreneA29Not reported
2026-08-192026-08-14Mayer SaverioA195Not reported
2026-08-192026-08-14Henao AlvaroA67Not reported
2026-08-192026-08-14Garren BenA71Not reported
2026-08-192026-08-14Sellier LaurentA234Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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Cornerstone Financial Management LLC2026-06-302026-08-2927$1,249None
Corient Private Wealth LP2026-06-302026-08-2819,486$901,265None
Principia Wealth Advisory, LLC2026-06-302026-08-2712$555None
Principia Wealth Advisory, LLC2026-03-312026-08-2717$677None
Groupe la Francaise2026-06-302026-08-2636$1,462None
CYBER HORNET ETFs LLC2026-06-302026-08-251,431$66,198None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25609,071$28,175,624None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-2528,175,624$609,071,000None
Assenagon Asset Management S.A.2026-06-302026-08-2225,213$1,166,353None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2036,968$1,710,130None
Beacon Pointe Advisors, LLC2026-06-302026-08-195,428$251,116None
Twin Lakes Capital Management, LLC2026-06-302026-08-19699$32,336None
Ensign Peak Advisors, Inc2026-03-312026-08-1992,159$3,672,536None
Ensign Peak Advisors, Inc2025-12-312026-08-1983,278$3,220,360None
Ensign Peak Advisors, Inc2025-09-302026-08-19158,070$6,729,040None
PIN OAK INVESTMENT ADVISORS INC2026-06-302026-08-19115$5,000None
Kimelman & Baird, LLC2026-06-302026-08-19550$25,443None
MASTERINVEST Kapitalanlage GmbH2026-06-302026-08-1823,187$1,072,631None
Corient Private Wealth LP2026-06-302026-08-1822,242$1,028,741None
Integrated Investment Consultants, LLC2026-06-302026-08-184,500$208,170None
Empowered Funds, LLC2026-06-302026-08-1812,895$596,523None
Empowered Funds, LLC2026-06-302026-08-1810,911$504,743None
Empowered Funds, LLC2026-06-302026-08-181,868$86,414None
Empowered Funds, LLC2026-06-302026-08-18443$20,493None
Empowered Funds, LLC2026-06-302026-08-18367$16,977None
Transamerica Financial Advisors, LLC2026-06-302026-08-183,548$164,167None
CAPSTONE INVESTMENT ADVISORS, LLC2026-06-302026-08-1815,900$735,534Put
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-18161,792$7,484,498None
EFG International AG2026-06-302026-08-1523$1,064None
EFG International AG2026-06-302026-08-159,393$430,809None
AMERIFLEX GROUP, INC.2026-06-302026-08-15242$11,195None
STANCE CAPITAL LLC2026-06-302026-08-15591$27,340None
Synergy Investment Management, LLC2026-06-302026-08-15154$7,432None
Synergy Investment Management, LLC2026-06-302026-08-1526$1,255None
Synergy Investment Management, LLC2026-06-302026-08-1513$627None
SEI INVESTMENTS CO2026-06-302026-08-151,267,200$58,620,672None
SEI INVESTMENTS CO2026-06-302026-08-15217,976$10,084,990None
Axxion S.A.2026-06-302026-08-1512,280$568,073None
Federation des caisses Desjardins du Quebec2026-06-302026-08-151,088$50,331None
Federation des caisses Desjardins du Quebec2026-06-302026-08-15277$12,806None
Federation des caisses Desjardins du Quebec2026-06-302026-08-1527,866$1,289,081None
JPL Wealth Management, LLC2026-06-302026-08-1530$1,388None
Investment Management Corp of Ontario2026-06-302026-08-1533,440$1,546,934None
Rafferty Asset Management, LLC2026-06-302026-08-1546,849$2,167,235None
MANNING & NAPIER ADVISORS LLC2026-06-302026-08-1525,098$1,161,033None
Nemes Rush Group LLC2026-06-302026-08-1595$4,395None
EDENTREE ASSET MANAGEMENT Ltd2026-06-302026-08-1525,000$1,156,000None
Quarry LP2026-06-302026-08-151,230$56,900None
Marathon Asset Management Ltd2026-06-302026-08-15322,275$14,907,854None
XTX Topco Ltd2026-06-302026-08-1532,003$1,480,459None

90-day public filing window, up to 50 source positions.

Cornerstone Financial Management LLC ↗Corient Private Wealth LP ↗Principia Wealth Advisory, LLC ↗Principia Wealth Advisory, LLC ↗Groupe la Francaise ↗CYBER HORNET ETFs LLC ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗Assenagon Asset Management S.A. ↗MERCER GLOBAL ADVISORS INC /ADV ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.