Rheinmetall's Unterlüß Rocket Plant: A Strategic Coup That Can't Stop the Sell-Off
Veröffentlicht: 07.07.2026 um 20:15 Uhr, Redaktion boerse-global.de
The US has a problem: its sole ATACMS production line in Camden, Arkansas, can churn out no more than 500 missiles a year, even as European and Ukrainian demand runs at 600 to 800 annually. Lockheed Martin has already pivoted toward the next-generation Precision Strike Missile, leaving a gap that Rheinmetall now aims to fill with Europe's first-ever ATACMS manufacturing site.
That plant is destined for Unterlüß in Lower Saxony, where the German defense group already employs around 4,000 people producing artillery ammunition, weapon systems, and tracked-vehicle maintenance. A rocket-engine factory on the same premises is nearing completion, and the new joint venture with Lockheed Martin is expected to start producing ATACMS guidance kits and motors by 2027 at the earliest.
The partnership, formalised in a letter of intent signed on the margins of the NATO summit in Ankara, builds on earlier cooperation dating back to 2024. An initial agreement expanded into a "Center of Competence" for missiles in April 2025, followed by concrete talks on ATACMS and Hellfire production in August. The next milestone is the formal creation of the joint venture, which still requires US government approval.
Despite the strategic breakthrough, Rheinmetall's stock has been unable to shake off the broader market gloom. Shares closed Tuesday at €1,111.00, down 2.46% on the day, dragged lower by a sharp sell-off in Asia — South Korea's Kospi index plunged, pulling DAX and defense names with it. Over the past 30 days the stock has shed 7.60%, and the year-to-date decline now stands at 30.63%. At current levels, the share price trades more than 44% below the 52-week high of €1,995.00 set last September.
Should investors sell immediately? Or is it worth buying Rheinmetall?
The disconnect between operational milestones and market reception runs deeper than one trading session. On a weekly basis the stock still shows a gain of 11.78%, but the monthly performance is negative at minus 6.85%. The 50-day moving average sits at €1,188.36, meaning the stock is trading 5.75% below that technical level, while 30-day volatility of 70.27% signals no return to calm any time soon.
Beneath the headline success, tensions within the partnership have emerged. Rheinmetall CEO Armin Papperger had originally pushed for the joint venture to also build PAC-3 interceptors for the Patriot air-defense system — a plan that appears to have fallen through after Lockheed Martin announced a separate European PAC-3 cooperation that excludes Rheinmetall. Papperger hinted at his frustration over the pace of the US partnership during an analyst call in May, and the stock has felt the weight of that uncertainty.
Still, the capacity deficit in the US is real and the joint venture addresses a pressing need. Lockheed Martin's decision to scale back ATACMS production in Arkansas in favour of the Precision Strike Missile leaves a void that European allies, especially Ukraine, urgently need filled. Rheinmetall's Unterlüß site, with its existing infrastructure and skilled workforce, is positioned to become the sole supplier of ATACMS outside the United States.
Rheinmetall at a turning point? This analysis reveals what investors need to know now.
Investors, however, are looking past the production timeline and focusing on execution risk. The letter of intent is not yet a binding contract, and the joint venture must navigate export controls and regulatory approvals from both Washington and Berlin. The earliest production start of 2027 offers little near-term earnings visibility, and the stock's year-to-date loss of more than 30% reflects a market that is discounting future orders against current valuation concerns.
The next concrete test will be the formal establishment of the joint venture, which could come with a framework agreement by year-end. Until then, Rheinmetall's shares remain caught between a historic industrial opportunity and the heavy pull of macro forces that have dragged down the entire defense sector — a tension that one Tuesday in July made painfully clear.
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