Sif Holding: Capital-Cycle Bet on the Hamburg Declaration’s Buildout

Gwen Hofmeyr of Maiden Financial presented his investment thesis on Sif Holding NV (Netherlands: SIFG) at Wide-Moat Investing Summit 2026.

Thesis summary:

Sif Holding is the largest producer of monopile foundations for Europe’s offshore wind market, holding 35-40% share from a plant in Roermond and a deep-water facility at Maasvlakte II in the Port of Rotterdam. Gwen frames Sif as a protected Dutch monopoly: every Dutch offshore wind project since 2020 has named Sif as its monopile supplier, Chinese firms are barred from Dutch infrastructure tenders, and Sif is the only monopile producer granted European Commission “Strategic Project” status. Equinor holds 13.94% plus €50MM of convertible preferred and names Sif on its fixed-foundation projects outside the Netherlands, including Dogger Bank, Baltyk 2 and 3, and Empire Wind 1.

The shares recently traded near 61% below their 2024 high, on industry distress and company missteps. 2024 and 2025 brought failed European tenders, a US moratorium on offshore wind, and a nine-month halt on Empire Wind 1; the failures also opened a backlog gap from H2 2027 to FY 2028. Sif’s €328MM roboticized Maasvlakte II line missed its ramp, and 2025 EBITDA of €27.5MM fell short of €90-120MM guidance, the company’s first loss since 2018.

Gwen argues the setup is reversing. The Hamburg Declaration, signed by 10 nations in January 2026, targets 300GW of North Sea capacity by 2050, with the Netherlands guiding to 70GW versus 4.7GW today. The Dutch government released €1 billion to backstop construction and is replacing uncapped negative bidding with CfDs. Competitors are faltering: Korea’s SeAH Wind has yet to sell a monopile from its Teesside plant, and EEW’s US subsidiary filed for Chapter 11.

Because steel is a contractual pass-through, Gwen tracks contribution and EBITDA per tonne rather than revenue. Q1 2026 EBITDA reached €15.1MM, up 243% year over year, with €21MM adjusted, equal to 76% of all of 2025’s adjusted EBITDA. Egeria Capital owns 55.7% and lifted at-risk management pay to 40-60% of base salary from a 20% cap, alongside a new CEO and CFO.

The shares recently traded at an EV of €360.9MM, a 36.1% discount to the roughly €565MM Gwen estimates it would cost to replicate Sif’s 7MM-plus square feet of capacity. On the Q1 run rate of €60.4MM EBITDA, that is near 6x EV/EBITDA; at management’s €40MM-per-quarter full-ramp target, 2.3x. Five-year adjusted FCF of €242MM exceeds the current market cap, and €80MM of FCF in a good year implies 2x P/FCF.

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About the instructor:

Gwen Hofmeyr is the founder of Maiden Financial, an independent equity research service. Averaging over 10,000 words per report, Maiden’s objective is to help its subscribing members acquire an owner-like understanding of businesses across the globe.

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