The drone market is booming, driven by rapid technological advancements and expanding applications across industries. Two companies from Japan are soaring in 2025: ACSL (TSE:6232) and Terra Drone (TSE:278A).
Key Points:
Terra Drone’s stock has soared past longtime listed rival ACSL, driven by strong international deals and record revenue growth — despite ongoing losses.
ACSL continues to disappoint with erratic revenue, no profits in sight, and persistent share dilution, raising concerns about long-term viability.
Both stocks are riding on hype, not fundamentals — with sky-high valuations in a crowded global drone market, they remain strictly for high-risk investors.
The global drone market is expected to see significant growth in the coming years, driven by increasing demand across sectors such as agriculture, logistics, surveillance, and infrastructure inspection. Technological advancements, reduced production costs, and supportive regulatory developments are accelerating adoption. The market is projected to expand rapidly, with commercial drone applications leading the way.
This year, Terra Drone's share price has surged by an impressive 114% in Tokyo. Its market value now stands at an adjusted $402 million. ASCL has risen 61% this year and is valued at $136 million. Today (June 10, 2025), both stocks were once again among the top gainers in Tokyo, with gains of 19.1% and 8.9%, respectively.
While the number of publicly listed drone companies remains limited globally, Japan stands out with two notable players: ACSL (TSE:6232) and Terra Drone (TSE:278A).
ACSL (Autonomous Control Systems Laboratory)
History: ACSL is a pioneer in Japan’s industrial drone sector, with a long-standing presence on the Tokyo Stock Exchange.
Current Business: ACSL develops and manufactures industrial drones entirely in Japan. Its core strength lies in proprietary autonomous control technology. The company offers solutions for logistics, infrastructure inspection, disaster response, and security. Notably, ACSL was the first in Japan to achieve autonomous beyond-visual-line-of-sight (BVLOS) flights with Japan Post.
Market Outlook: ACSL continues to expand its product portfolio, including drones like the SOTEN and AirTruck, designed for high-performance operations in challenging environments.
Terra Drone
History: Terra Drone is a newer entrant to the Tokyo Stock Exchange but has rapidly grown into a global player. The company did its IPO on November 29, 2025.
Current Business: Terra Drone provides advanced aerial services and technologies across more than 25 countries. Its expertise spans geographic data acquisition, industrial inspections, LiDAR mapping, and unmanned traffic management (UTM). The company integrates cutting-edge drone tech with local knowledge to deliver tailored solutions4.
Market Outlook: Terra Drone is focused on enabling next-generation air mobility and has been recognized as one of the top remote-sensing service providers globally.
Key Differences
Focus: ACSL emphasizes in-house drone development and autonomous flight technology, while Terra Drone positions itself as a global service integrator with a broad tech ecosystem.
Experience: ACSL has a longer track record in Japan’s drone industry; Terra Drone has a more international footprint and diversified service offerings.
Both companies reflect Japan’s leadership in drone innovation, each with a distinct approach to shaping the future of aerial technology.
Terra Drone Surges Ahead of Struggling ACSL — But Both Remain High-Risk Bets
Terra Drone has proven far more successful on the stock market than the floundering ACSL, which has been listed for years without ever delivering real returns. This year marks a turning point, driven in part by growing defense applications for drones — and potentially government subsidies from Japan (worth investigating).
Although Terra Drone only went public at the end of last year, it has already outperformed ACSL significantly — and continues to do so in 2025. ACSL, by contrast, has become a company known for constantly raising capital, issuing lofty revenue forecasts, only to repeatedly miss them and revise guidance downward. Profits? Nowhere to be seen — not for years.
Terra Drone tells a different story. Over the past three years, the company has shown robust top-line growth, culminating in a record ¥4.435 billion in revenue for 2024. While it too is still unprofitable (with 60% of revenue generated in Japan), Terra is aggressively expanding internationally — most notably with a recent deal to supply inspection drones to Saudi Aramco. Its latest earnings report (for the quarter ending January 2025) showed a healthy 13% year-over-year revenue increase.
Crucially, Terra’s founder has skin in the game, holding 14% of shares. Saudi Aramco now owns a 5.2% stake in the drone maker as well — a notable endorsement.
Meanwhile, ACSL’s largest shareholder is Japan Post (8.2%), a conservative investor aligned with ACSL’s delivery drone development efforts. Founder Kenzo Nonami also holds a 7.8% stake. But the numbers remain disappointing: revenue has seesawed in recent years. For 2024, ACSL posted ¥2.656 billion in revenue, and analysts expect a modest 5% growth in 2025 to ¥2.8 billion — far from spectacular. Worryingly, ACSL continues to issue new shares at a rapid pace, and it’s projected to remain unprofitable for at least the next three years.
Neither company pays a dividend, and the sharp share price rallies this year are driven purely by sentiment. ACSL now trades at over 7x expected 2025 revenue. Terra Drone, despite its larger market cap and stronger growth, is still not tracked by a single analyst — yet trades at an even higher multiple.
Conclusion:
This is a highly speculative sector, especially given the intense global competition in drones. By comparison, the space industry might offer a better speculative bet, simply because it has fewer players. In our view, both ACSL and Terra Drone are only suitable for investors with a very high risk tolerance — particularly after the explosive gains seen so far in 2025.
At DividendJapan, we aim to highlight these opportunities and uncover hidden gems that may not yet be on your radar. Stay tuned as we explore Japan’s dividend growth stories and the next generation of market leaders! Investing in Japan isn’t for everyone, given its unique trading hours, large price swings, currency fluctuations, lot size requirements, and limited analyst coverage — yet the country also offers some of the world’s best dividend growth opportunities, with countless hidden gems waiting to be discovered.
Disclaimer: The information provided here is for informational purposes only and should not be considered financial advice. Investors should conduct their own research or consult with a financial advisor before making any investment decisions.
Terra Drone is up 848% YTD as the best performing stock in Japan in 2026.