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# Why Defense Stocks Keep Hitting Records in 2026: A $2.9 Trillion, 5%-of-GDP Tailwind
- URL: https://carussignal.com/why-defense-stocks-hitting-records-2026/
- Published: 2026-07-09T18:00:59.000Z
- Updated: 2026-07-09T18:00:59.000Z
- Author: Carus Cha
- Tags: Defense Stocks, Military Spending, NATO, Investing, AI, Autonomy, ETFs

> Defense stocks are hitting fresh records in 2026, and it isn't one headline driving it — it's three tailwinds stacking. World military spending hit a record **\~$2.9 trillion** in 2025 (per SIPRI), NATO committed to lifting defense budgets to **5% of GDP by 2035**, and — for the first time — the Pentagon carved out a dedicated **$13.4 billion** budget line just for autonomy and AI. The iShares U.S. Aerospace & Defense ETF (ITA) is up roughly **13.7% year-to-date** and touched a new intraday record. Here's what's actually behind the run, and the one question every buyer should ask before chasing it.

When a sector keeps making new highs, the useful question isn't "is it going up" but "what's the engine, and is the engine durable." Defense has a genuinely different setup right now than most momentum trades: the buyers are governments, the budgets are multi-year commitments, and a brand-new spending category — battlefield AI — is being funded for the first time. This piece breaks the rally into its three drivers, decodes what NATO's 5% pledge really means, and lays out the bear case so you can judge the trade honestly rather than on vibes.

## Three tailwinds, stacking at once

Most sector rallies rest on a single story. This one has three, and they reinforce each other.

**1\. Record global spending.** The Stockholm International Peace Research Institute (SIPRI) counted **$2,887 billion** — roughly **$2.9 trillion** — in world military expenditure for 2025, a **2.9% real increase** over 2024 and an all-time record. This is the baseline: the total pie is bigger than it has ever been.

**2\. Binding political commitments.** At the 2025 Hague summit, NATO allies agreed to raise defense spending to **5% of GDP by 2035** (more on the structure below). And for the first time, all 31 NATO allies with a defense budget met the older **2% of GDP** commitment in 2025 — with European allies and Canada lifting spending about **20%** year-over-year. These aren't forecasts; they're pledges with timelines.

**3\. A new category: battlefield AI.** The race to put autonomy, drones, and AI-driven intelligence into the field created spending that barely existed as a distinct line a few years ago. The Pentagon's fiscal 2026 request gives autonomy its **own dedicated budget section for the first time** — a structural signal, not just a bigger number.

Stack those and you get why the tape looks the way it does. The iShares U.S. Aerospace & Defense ETF (**ITA**) — BlackRock's fund tracking large and small U.S. aerospace and defense names, holding names like GE Aerospace, Boeing, RTX, and Howmet across 47 holdings and about **$13.5 billion** in assets — reached its first intraday record high in four months and sits up roughly **13.7% year-to-date**.

![Infographic of three tailwinds — record military spending, NATO commitments, and battlefield AI — converging to lift defense stocks in 2026](https://carussignal.com/content/images/2026/07/why-defense-stocks-hitting-records-2026-internal-02.webp)

\## NATO's 5% pledge, decoded

The "5% of GDP" number gets thrown around as if it's one giant weapons budget. It isn't — and understanding the split matters for which companies benefit.

At the Hague summit, allies agreed the 5% target breaks into two buckets:

- **3.5% of GDP** for "core defence requirements" — the traditional stuff: hardware, personnel, munitions, meeting NATO capability targets. This is the bucket that flows most directly to prime contractors and weapons makers.
- **1.5% of GDP** for **broader defence- and security-related investments** — protecting critical infrastructure, defending networks, civil preparedness and resilience, innovation, and strengthening the defense industrial base.

That second bucket is the quiet story. A lot of it is dual-use — cybersecurity, infrastructure hardening, industrial capacity — which widens the set of beneficiaries well beyond classic tank-and-jet makers into software, networking, and infrastructure. And because the target runs to **2035**, it frames a decade of rising budgets rather than a one-year bump. For investors, "multi-year policy floor" is a very different quality of tailwind than "this quarter's headline."

## The new line item: AI and autonomy get their own budget

The most structurally interesting shift is the smallest number. In its fiscal 2026 request, the Pentagon carved out **$13.4 billion** specifically for autonomy — a category that until this year lived scattered across dozens of separate program lines. Giving it a dedicated section is how bureaucracies signal a category has graduated from experiment to priority.

Here's where that money goes:

| Autonomy segment (Pentagon FY2026 request)     | Amount           |
| ---------------------------------------------- | ---------------- |
| Unmanned / remotely operated aerial vehicles   | **$9.4 billion** |
| Maritime autonomous systems                    | **$1.7 billion** |
| Supporting software & cross-domain integration | **$1.2 billion** |
| Underwater capabilities                        | **$734 million** |
| Autonomous ground vehicles                     | **$210 million** |

Two things stand out. First, **aerial drones dominate** — $9.4B of the $13.4B — reflecting how central unmanned aircraft have become to modern doctrine. Second, there's a real **software line** ($1.2B for integration), which is why AI-software names get pulled into the defense trade at all. Palantir, for instance, accounts for roughly **6%** of one major defense ETF, giving that fund direct exposure to AI-driven battlefield intelligence and logistics rather than just metal-bending. Broader estimates put AI-enabled battlefield technology at around **$2 trillion** in cumulative spending across North America, Europe, and Asia — a pool that spans hardware and software both.

All of this sits inside a much larger envelope: the FY2026 national defense budget runs to roughly **$1.01 trillion**, about **13%** above the prior year's enacted level. The autonomy line is small against that total — which is exactly why its *dedicated* status matters more than its size. It's the seed line, not the harvest.

![Bar chart of the Pentagon's $13.4 billion FY2026 autonomy budget, dominated by aerial drones at $9.4 billion](https://carussignal.com/content/images/2026/07/why-defense-stocks-hitting-records-2026-internal-03.webp)

\## How investors are playing it — and the bear case

The most common way to express the theme is broad rather than single-stock: sector ETFs like ITA spread exposure across primes (aerospace, missiles, shipbuilding) so no single contract or earnings miss sinks the position. Funds with a heavier software tilt lean more toward the AI-battlefield angle. The appeal is the buyer profile: governments don't cancel multi-year procurement when the consumer gets nervous, which makes defense revenue less cyclical than most equity themes.

But records cut both ways, and the honest bear case is real:

- **Pledges aren't cash.** A 5%-by-2035 commitment is a political promise across many governments and many elections. Budgets get watered down, delayed, or reprioritized — the gap between "agreed target" and "appropriated money" can be wide.
- **Valuations already price optimism.** After a strong run, a lot of the good news may be in the price. New highs mean you're paying up, not buying a dip — and individual defense names have pulled back sharply from peaks before even as the theme stayed intact.
- **Peace is a risk to this trade.** It's uncomfortable to say, but the thesis is partly a bet that geopolitical tension persists. Genuine de-escalation would undercut the urgency funding the whole rally.
- **Execution and politics.** Procurement is slow, programs get cut, and defense budgets are perennial political footballs. The category can be right and a specific stock still disappoint.

The balanced read: the drivers here are unusually durable for a momentum sector — record budgets, a decade-long policy floor, and a brand-new AI category all pulling the same direction. That's a stronger engine than a typical hot-sector run. But "durable tailwind" and "cheap entry point" are not the same thing, and at record highs the second one is the harder question to answer.

## Frequently Asked Questions (FAQ)

**Why are defense stocks going up in 2026?** Three stacking drivers: record global military spending (\~$2.9T in 2025 per SIPRI), NATO's pledge to reach 5% of GDP by 2035, and new dedicated funding for battlefield AI and autonomy — including a first-ever $13.4B Pentagon autonomy line.

**What does NATO's 5% target actually mean?** It splits into 3.5% of GDP for core defense (hardware, personnel, munitions) and 1.5% for broader security investments (infrastructure, networks, industrial base), to be reached by 2035 — a multi-year commitment, not a one-time increase.

**How can I invest in the defense theme?** Many investors use sector ETFs like the iShares U.S. Aerospace & Defense ETF (ITA) for diversified exposure rather than betting on a single contractor. Funds with a software tilt add more exposure to the AI-battlefield angle. This is context, not investment advice — do your own due diligence.

**Is it too late to buy defense stocks?** The tailwinds (multi-year budgets, policy floors, new AI spending) are durable, but the sector is at record highs, so a lot of optimism is already priced in. Durable theme and cheap entry are different questions.

**What's the biggest risk to the defense trade?** That pledges don't convert to appropriated cash, that rich valuations disappoint, or that genuine geopolitical de-escalation removes the urgency behind the spending.

## Key Takeaways

- Defense stocks are hitting records on **three stacked tailwinds**, not one — record spending, NATO's 5% pledge, and new battlefield-AI budgets.
- World military spending reached a record **\~$2.9 trillion** in 2025 (**+2.9%** real, per SIPRI); NATO targets **5% of GDP by 2035** (3.5% core + 1.5% broader).
- For the first time, the Pentagon gave autonomy its own **$13.4B** budget line — dominated by **$9.4B** for aerial drones — inside a \~**$1.01 trillion** total request.
- ITA, a leading defense ETF, is up roughly **13.7% YTD** and hit a new intraday record; software names like Palantir ride the AI-battlefield angle.
- The bear case is real: pledges aren't appropriated cash, valuations are rich at record highs, and the thesis quietly assumes tensions persist.

**How this was written** Research and a first draft came together with AI's help; verification and the final pass were entirely human.

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## References

- Yahoo Finance: "Defense stocks surge as governments boost spending on weapons, AI battlefield technology" — https://finance.yahoo.com/markets/article/defense-stocks-surge-as-governments-boost-spending-on-weapons-ai-battlefield-technology-132142444.html
- NATO: "Defence investment and NATO's 5% commitment" — https://www.nato.int/en/what-we-do/introduction-to-nato/defence-expenditures-and-natos-5-commitment
- CNBC: "NATO allies agree to higher 5% defense spending target" — https://www.cnbc.com/2025/06/25/nato-allies-agree-to-higher-5percent-defense-spending-target.html
- CDO Magazine: "Pentagon Seeks $13.4 bn for AI and Autonomy FY 2026 Budget Request" — https://www.cdomagazine.tech/us-federal-news-bureau/pentagon-seeks-13-4-bn-for-ai-and-autonomy-fy-2026-budget-request
- MeriTalk: "Pentagon Unveils $1.01T FY2026 Budget with Cyber, Space, AI Focus" — https://www.meritalk.com/articles/pentagon-unveils-1-01t-fy2026-budget-with-cyber-space-ai-focus/
- 24/7 Wall St.: "3 Defense ETFs to Buy as NATO Spending Hits Record Highs in 2026" — https://247wallst.com/investing/2026/04/16/3-defense-etfs-to-buy-as-nato-spending-hits-record-highs-in-2026/