Tubacex: Leading a Global Oligopoly in Premium Tubular Solutions

Javier Echevarria of Invexcel Patrimonio presented his in-depth investment thesis on Tubacex (Spain: TUB) at Best Ideas 2026.

Thesis summary:

Tubacex is a vertically integrated provider of seamless stainless steel and special alloy tubular solutions, operating in a high value-added niche that represents approximately 10% of total industry volume but one-third of its value. Javier highlights the company’s evolution from a commodity-focused manufacturer to a global solutions provider, with premium products now accounting for 80% of sales compared to 30% a decade ago. This strategic shift is supported by high barriers to entry, including capital intensity, metallurgical expertise, and lengthy certification processes. The industry is characterized by an oligopolistic structure where the top three players control 70% of the market, allowing Tubacex to maintain a competitive position with a backlog that currently provides nearly two years of revenue visibility.

The company has secured major long-term agreements that provide structural stability and growth potential. A 10-year contract with ADNOC for corrosion-resistant alloy tubes and a subsequent joint venture with Mubadala, which acquired a 49% stake in the OCTG business unit for $200 million, have de-leveraged the balance sheet and validated the value of the division. Additionally, Tubacex developed the Sentinel Prime connection technology over eight years, breaking a long-standing duopoly held by Tenaris and Vallourec. This technology has already been licensed to ADNOC for $50 million, suggesting a potential high-margin licensing model for the future.

Growth catalysts are driven by expanding global energy consumption and a recovery in oil and gas CAPEX, which remains below 2014 levels despite demand being 11% higher. Javier notes that the company is well-positioned to benefit from the energy transition through exposure to hydrogen and carbon capture, as well as the increasing complexity of remote extraction wells. Geographically, demand is lead by Asia-Pacific and the Middle East, where Tubacex has established a manufacturing footprint. The company’s products are mission-critical but typically represent only 2% of total project costs, leading customers to prioritize quality and reliability over price.

Financially, Tubacex maintains a robust position with a net debt-to-EBITDA ratio that, when adjusted for working capital, reflects positive net cash of approximately €30 million. Javier observes that inventories are largely pre-sold through take-or-pay agreements, further reducing operational risk. Management’s 2027 targets include EBITDA exceeding €200 million and a cash conversion rate above 50%, though Javier adopts a more conservative outlook by extending the forecast period to 2029 and reducing estimates by 20% to account for potential macro-induced softness in lower value-added segments.

The shares recently traded at a valuation that implies a miscorrelation with fossil fuel prices and a lack of recognition for the company’s improved quality and visibility. Based on a conservative 2029 normalized net profit of €65 million and an EBITDA of €160 million, Javier applies a P/E multiple of 12x and an EV/EBITDA of 7x to arrive at a target price between €6.2 and €6.4. This suggests an upside potential of 80% over a four-year horizon, representing a 16% IRR supplemented by a dividend yield of approximately 4%. Should the company achieve its own 2027 targets, the implied value could exceed €8 per share.

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About the instructor:

Javier Echevarria serves as Chief Investment Officer of Invexcel Patrimonio. He has specialized in Equity Investments and Wealth Management since 2007. He worked in Bestinver’s sales team from 2007-2009. He coordinated the Anatha charity project in Cambodia in 2009. He joined Excel Corporación as Markets Analyst in 2009 and Invexcel Patrimonio in 2010. He holds a Degree in Law from the Universidad Complutense de Madrid and a Master’s Degree in Stocks and Financial Markets from Instituto de Estudios Bursátiles.