Best-Performing German Stocks of 2025

Key Takeaways

• Defense companies led Germany’s stock market gains, with Rheinmetall AG, RENK Group AG, and HENSOLDT AG accounting for 3 of the top 10 performers.
• Energy companies were another source of strong gains. Siemens Energy AG and Nordex SE saw their shares rise as Germany expanded investment in renewable energy and power networks.
• Small-cap stocks delivered the highest percentage returns, with Voltabox AG leading at +391%. This highlights the volatility and upside potential of smaller firms.
• Industrial companies showed signs of recovery, with firms such as Deutz AG rebounding after several weaker years.
• Market leadership is shifting, with gains concentrated in sectors tied to security and energy, rather than Germany’s traditional large industrial conglomerates

Annual return measures how much a stock’s price increased or decreased over a year.

Between Jan 6, 2025 and Jan 5, 2026, Germany’s stock market had a strong year overall. The biggest gains were concentrated in sectors shaped by geopolitical tensions and long-term economic shifts.

Top 10 Winners in German Stocks

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Defense Stocks Lead Germany’s Top Performers

Defense companies account for three of the top ten performers: 

• RENK Group AG
• Rheinmetall AG
• HENSOLDT AG

This concentration reflects a broader shift in Europe’s security landscape.

Germany significantly increased military spending from €107 billion in 2025 to €108 billion in 2026. This includes both the regular defense budget and a special fund created after the Ukraine war started. The expansion is part of broader NATO rearmament efforts following Russia’s invasion of Ukraine.

Defense suppliers responded with strong revenue growth. Rheinmetall, for example, reported €9.9 billion in sales in 2025, a 29% increase, with further growth expected as new military procurement programs expand across Europe.

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In financial markets, these expectations translated into sustained investor demand for defense stocks, pushing share prices sharply higher.

Germany’s Energy Shift Lifts Key Stocks

Another major theme among the top performers is the energy transition.

Germany’s long-running Energiewende continues to drive investment in renewable power generation and electricity infrastructure. As countries expand renewable capacity, demand has increased for the systems that support it.

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Two companies benefiting from this trend appear among the top performers:

• Nordex SE, a wind turbine producer
• Siemens Energy AG, which builds grid and power equipment

As countries expand renewable energy capacity, demand for turbines, grid equipment, and energy infrastructure has increased.

Rather than energy producers alone, investors have focused on firms supplying the infrastructure behind the transition, such as turbines, grid systems, and power technology.

Small-Cap Stocks Deliver the Largest Gains

Several of the strongest gains came from smaller companies, where price movements tend to be more pronounced.

The largest increase was recorded by Voltabox AG, whose shares rose 391% over the period. The company operates in battery systems for industrial and mobility applications.

Similarly, Bike24 Holding AG gained nearly 185%, recovering after a period of weaker demand in the cycling market.

Such outsized returns are more common among small-cap stocks, where lower trading volumes and changing expectations can lead to sharper price movements.

Some of the top performers also reflect a recovery in Germany’s industrial base.

Companies such as Deutz AG and Heidelberger Druckmaschinen AG recorded strong share price gains after several difficult years.

These firms had been affected by supply-chain disruptions, high energy costs, and weaker industrial demand. As conditions stabilized, markets began to price in improving order books and production activity.

Germany’s top-performing stocks in 2025 point to a gradual shift in market leadership.

Traditional industrial sectors remain present, but the strongest gains were not driven by large conglomerates. Instead, performance was concentrated in defense, energy infrastructure, and smaller specialized firms.

The pattern suggests that recent market gains are less about scale and more about exposure to structural demand, particularly in security and energy systems.