Smurfit Westrock PLC: Initiating with a Buy: Unlocking value through a proven playbook

Research evidence excerpt

Smurfit Westrock PLC: Initiating with a Buy: Unlocking value through a proven playbook

d packaging is a key driver of the

company's margin expansion goals and represents a fundamental improvement in

its earnings quality.

The resilience of this new model was tested and proven in the first quarter of 2026.

While North America's corrugated volume declined 7.4% and the reported

Adjusted EBITDA margin compressed to 13.3% from 16.8% in the prior-year period,

this was not a reflection of the strategy's failure but rather its underlying success in

the face of significant transitory headwinds. Management explicitly quantified that

the quarter was negatively impacted by approximately $129 million from severe

weather events and associated unplanned downtime. The ability of the business to

absorb such a substantial one-off impact and still generate a double-digit margin is,

in our view, a strong validation of the structural improvements made to its

underlying profitability. As these external pressures subside and the company

begins to realize the benefits of recently implemented price increases, we expect

the true earnings power of the optimized North American segment to become

increasingly apparent.

Aggressive portfolio optimization and strategic investments

The company is also embarking on a significant strategy of aggressive portfolio

optimization and strategic investment to enhance efficiency and drive growth.

This involves a dual approach of divesting higher-cost, underperforming assets

while simultaneously investing in high-return projects and innovation. In 2025, the

company closed ~600,000 tons of what it identified as high-cost or inefficient

capacity to streamline its operations. This was accompanied by a total headcount

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