Rocket Lab Shares Tumble as Mars Mission Funding is Axed
05.02.2026 - 22:35:05Rocket Lab USA shares are experiencing significant downward pressure this week, with losses extending into double digits. The sell-off stems from a congressional budget decision in Washington that has eliminated funding for a high-profile NASA Mars mission, stripping the space company of a potential multi-billion dollar revenue stream. Concurrent sector speculation regarding a formidable competitor is further unsettling investor sentiment.
Adding to the disappointment over the Mars mission, broader sector dynamics are weighing on the stock. Renewed speculation about a potential initial public offering (IPO) for SpaceX is creating nervousness among aerospace investors. Market observers suggest a possible capital rotation may be underway, with investors liquidating positions in smaller space stocks to raise funds for Elon Musk's company. SpaceX's valuation in a public debut is estimated to reach up to $1.5 trillion.
This shift in capital allocation is hitting Rocket Lab particularly hard. The equity has shed over 20% on a week-to-date basis, with shares currently trading at $67.82—a level notably below its 50-day moving average.
Core Operations Provide a Counterweight
Despite the negative political developments, Rocket Lab's fundamental business operations continue to show strength. Nearly coinciding with the stock's decline, the company announced the largest single contract in its history: an $816 million agreement with the U.S. Space Development Agency (SDA) to manufacture 18 missile-tracking satellites. Progress on the new Neutron rocket is also advancing, as demonstrated by the recent delivery of the "Hungry Hippo" fairing.
Should investors sell immediately? Or is it worth buying Rocket Lab USA?
A Multi-Billion Dollar Opportunity Vanishes
The primary catalyst for the current decline is the financial cancellation of NASA's planned "Mars Sample Return" mission. The project was designed to retrieve rock samples collected by the Perseverance rover from the Martian surface. Rocket Lab had positioned itself as a leading contender for a role in this technically demanding program.
Congress's decision to deny funding has effectively evaporated an estimated contract opportunity worth approximately $4 billion. For investors banking on high-margin government contracts in deep-space exploration, this represents a substantial setback, removing a key component of the long-term growth narrative for the time being.
Attention now turns to February 26, 2026. After market close on that date, Rocket Lab is scheduled to release its fourth-quarter financial results. Analysts are projecting a revenue surge of roughly 34% to $178 million. This report will indicate whether the company's expanding defense segment can offset the disappointment stemming from the terminated Mars program.
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