# SMURFIT WESTROCK PLC (SW) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: G8267P108
Page URL: https://superinvestorclub.com/stock/SW
Last updated: 2026-07-08T13:37:06.932Z

## Summary

As of the most recent 13F filing period, SMURFIT WESTROCK PLC (SW) is held by 2 tracked superinvestors with an aggregate position value of $680.4M representing 0155660281509136 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Sarah Ketterer](https://superinvestorclub.com/manager/293) | Causeway Capital Management | 15566028 | $620.3M | 7.61% | 2026-03-31 |
| 2 | [Harry Burn](https://superinvestorclub.com/manager/81) | Sound Shore Management | 1509136 | $60.1M | 2.02% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $4.0M aggregate, 080596 shares
- 2024-12-31: 1 holders, $391,508 aggregate, 07269 shares
- 2025-03-31: 1 holders, $121.4M aggregate, 02693844 shares
- 2025-06-30: 1 holders, $302.7M aggregate, 07015694 shares
- 2025-09-30: 1 holders, $320.3M aggregate, 07522983 shares
- 2025-12-31: 1 holders, $739.9M aggregate, 019132879 shares
- 2026-03-31: 2 holders, $680.4M aggregate, 0155660281509136 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "SMURFIT WESTROCK PLC (SW) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/SW), aggregating SEC 13F, Form 4, and congressional disclosures."