All eyes on the factory in Iran missile crunch

All eyes are currently focused on a factory in Iran as the United States scrambles to replenish its dwindling stocks of missiles. This has turned weapons production into one of the most promising investment opportunities in defense technology. Bottlenecks in key components like motors, explosives, and precision parts are limiting the ability to produce missiles in sufficient quantities. However, the flood of capital into this sector is not slowing down.

Defense-specific startup funding surged more than 30-fold in the second quarter of 2026, reaching $665 million from just $19.9 million in the first quarter. Investments in hypersonics, which involves objects traveling at five times the speed of sound or faster, increased by nearly 560% compared to the previous year. Meanwhile, funding for missile and munitions companies rose by almost 440%.

The imbalance between investment and actual production capacity is striking. Two companies—Hermeus, building hypersonic aircraft, and Mach Industries, producing munitions and propulsion systems—account for almost all the defense-specific investments made in the quarter. In contrast, the U.S. Department of Defense committed only $191 million across nine investments to expand solid-rocket-motor capacity and reduce component lead times.

The mismatch in funding and production capacity highlights a significant manufacturing bottleneck. Investors are financing new weapons before the supply base has demonstrated its ability to produce components at high volume. The U.S. Army has depleted virtually all its available Army Tactical Missile Systems (ATACMS) and Precision Strike Missiles during the five-month conflict with Iran.

The Pentagon has committed over $3 billion to triple the production of the Patriot missile, quadruple the output of the Terminal High Altitude Area Defense system, and establish a second source for the solid-rocket motors that power the PAC-3 interceptor.

While significant capital is flowing into the sector, the reality is that component manufacturing capacity has not yet proven capable of meeting demand. Automated manufacturers like Hadrian have raised substantial amounts of capital, with its latest funding round valuing the company at nearly $8 billion. However, until the production system can deliver on its promises, high valuations for missiles and hypersonics remain speculative bets on a manufacturing system that has yet to be proven.