Japan Defense Stocks: Who Builds What, and How to Buy Them
Japan's defense budget crossed ¥9 trillion (roughly $58 billion) for the first time in fiscal 2026 — the twelfth consecutive record — and the government hit its 2%-of-GDP defense spending target two years ahead of the original plan. Add loosened export rules, the first delivery of Japanese-built PAC-3 interceptor missiles to the US in late 2025, and a multi-billion-dollar development contract for the UK-Italy-Japan GCAP fighter, and Tokyo's defense names have gone from a sleepy corner of the market to one of its most-watched themes.
English-language coverage hasn't kept up: most search results are either ETF fact sheets or generic screeners. This page lists the companies that actually build the hardware, with their Tokyo tickers, their US OTC symbols where one exists, and honest notes on which ones you can realistically buy from outside Japan.
Why the Sector Re-Rated
Three policy shifts stack on top of each other. First, budget: the FY2026 initial defense budget of about ¥9.04 trillion is up 3.8% year-on-year, and total defense-related spending now sits at roughly 1.9–2% of GDP — a level Japan avoided for decades. Second, exports: revisions to Japan's defense equipment transfer rules from December 2023 allow licensed-production equipment to be exported back to the licensing country, which is how Japanese-made PAC-3 missiles shipped to the US in November 2025 — the first completed lethal weapon export of the postwar era. Third, programs: the Global Combat Air Programme (GCAP) with the UK and Italy passed a major milestone in July 2026 when the Edgewing joint venture (BAE Systems, Leonardo, and Japan's JAIEC, led industrially by Mitsubishi Heavy) signed a development contract worth about £4.6 billion.
None of this guarantees returns — much of it is arguably already in the prices after a multi-year rally. But it explains why this list is no longer just a shipbuilding-conglomerate footnote.
The Companies
| Company | Tokyo | US OTC | What they build |
|---|---|---|---|
| Mitsubishi Heavy Industries | 7011.T | MHVIY | Japan's defense prime: fighters (GCAP industrial lead), missiles including the upgraded Type-12 standoff missile, warships, submarines-adjacent systems, space launch. |
| Kawasaki Heavy Industries | 7012.T | KWHIY | Submarines, the P-1 maritime patrol aircraft and C-2 transport, helicopters, aero engines — plus motorcycles and industrial robots on the civilian side. |
| IHI | 7013.T | IHICY | Jet engines — F-2 and P-1 powerplants today, and the GCAP fighter engine in development with Rolls-Royce and Avio Aero. |
| Japan Steel Works | 5631.T | JPSWY | Artillery and tank gun barrels (a near-monopoly position domestically), plus industrial machinery and plastics equipment that still drives most of revenue. |
| Mitsubishi Electric | 6503.T | MIELY | Radars, missile seekers and air-defense electronics — the sensor-and-guidance layer — inside a much larger diversified electronics business. |
| NEC | 6701.T | NIPNF | Defense electronics, command-and-control (C4I) systems, and space — defense is one segment of a broad IT and networking company. |
| Tokyo Keiki | 7721.T | — | Gyros, navigation and radar-related components; a small-cap pure-play with no US OTC line — Tokyo access only. |
| Hosoya Pyro-Engineering | 4274.T | — | Pyrotechnics, flares and signal munitions; a micro-cap with no US line and thin liquidity even in Tokyo. |
US symbols are over-the-counter lines, not NYSE/NASDAQ listings. All except Advantest-style sponsored programs in other sectors are unsponsored ADRs or foreign-ordinary (F) lines — spreads are wider and volume is far thinner than in Tokyo. MHVIY's ADR ratio changed in April 2026 following the underlying stock's split, so long-term price charts of the ADR can look discontinuous. NEC also has an unsponsored ADR line (NECPY), but NIPNF is the more commonly quoted symbol.
The ETF Route
Since February 2026 there has been a dedicated vehicle: the Global X Japan Defense Tech ETF (513A), listed on the Tokyo Stock Exchange and tracking an index of Japanese defense-related names. Note that it trades in Tokyo in yen — there is no US-listed Japan-defense ETF that we can confirm — so it requires a broker with Japan market access, exactly like the individual Tokyo lines. Broad Japan ETFs (EWJ and peers) hold the large defense names too, but at index-weight dilution.
For the practical mechanics of all three routes — OTC lines, direct Tokyo access, and ETFs, plus dividend withholding tax — see the access guide.
⚠ The Risks Specific to This Group
- This is a policy trade. Demand depends on budget decisions, which depend on politics — a change in government priorities or fiscal stress can bend the spending trajectory that the re-rating is priced on.
- Defense is a low-margin, slow-cash business in Japan. Margins on domestic procurement have historically been thin and programs run for decades; GCAP revenue arrives over many years, not next quarter.
- The easy part of the re-rating may be over. These stocks have already multiplied from their pre-2022 levels; the budget story is now well known.
- Most exposure is diluted. For MHI, Kawasaki, Mitsubishi Electric and NEC, defense is one segment among several — you are also buying gas turbines, motorcycles, factory automation and IT services.
- Access friction is real. Unsponsored ADRs trade thin, two names on this list have no US line at all, and currency risk sits on top of everything.
FAQ
Q. Can I buy Japanese defense stocks as US ADRs?
The large names, yes: MHVIY (Mitsubishi Heavy), KWHIY (Kawasaki Heavy), IHICY (IHI), JPSWY (Japan Steel Works), MIELY (Mitsubishi Electric). They are unsponsored OTC lines with thin liquidity, and smaller names like Tokyo Keiki and Hosoya Pyro have no US symbol at all.
Q. Is there a Japan defense ETF?
Yes — the Global X Japan Defense Tech ETF (513A), listed on the Tokyo Stock Exchange in February 2026. It trades in Tokyo, not on a US exchange.
Q. Who leads the GCAP fighter program on the Japanese side?
Mitsubishi Heavy Industries, through the Edgewing joint venture with BAE Systems and Leonardo; IHI develops the engine with Rolls-Royce and Avio Aero.
Q. Is this a recommendation to buy these stocks?
No. This page maps who does what in the sector using public information. Whether any of it belongs in your portfolio is your decision to research.
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This page provides general information about publicly traded companies compiled from public sources including government budget documents, company disclosures and industry press. It is not investment advice, and nothing here is a recommendation to buy or sell any specific security. Figures such as budget amounts and program values are as reported at the time of writing (July 2026) and change over time. Business descriptions are simplified. Verify anything material with primary sources before acting on it, and consult a licensed professional for advice specific to your situation.