Amentum (NYSE:AMTM) Misses Q2 CY2026 Revenue Estimates, Stock Drops 15.1%
Amentum Holdings (NYSE:AMTM) reported Q2 CY2026 revenue of $3.49 billion, down 2% year on year and below analysts’ estimates. GAAP EPS was $0.27, 14.7% below consensus. The stock fell 15.1% to $20.90 after the results. Analysts expect revenue growth of 2.8% over the next 12 months.
How this was made
The 30-second read
Why it matters
The Q2 CY2026 revenue miss and GAAP EPS shortfall, alongside a year-over-year adjusted operating margin decline, are likely to drive near-term valuation pressure and increase scrutiny of demand and cost efficiency.
Market read
Traders have a fresh earnings datapoint with explicit revenue, EPS, margin, and same-day drawdown, supporting immediate repricing and positioning decisions.
What to watch
The article cites adjusted operating margin down to 5.2% and revenue down 2% YoY, but does not break out contract mix, backlog, or guidance details that could explain the miss.
Background
Amentum is a government engineering solutions provider serving US and allied government agencies plus defense, energy, and space customers.
Ticker impact
Amentum reported Q2 CY2026 revenue of $3.49B, down 2% YoY, missing Wall Street estimates and sending the stock down 15.1%.
Bearish bias for the next several sessions as traders reprice the revenue and margin outlook versus consensus.
The article provides concrete Q2 revenue and EPS outcomes versus consensus plus a sharp same-day drop, indicating the market is reacting to fundamentals rather than only guidance speculation.
Market effects
Weak results for a government engineering services provider can weigh on sentiment for similarly exposed defense and services contractors.
Primarily US-listed defense services sentiment; limited direct regional spillover beyond the group.
Low global relevance; impact is mostly within US government services and defense-adjacent contracting sentiment.
Counterpoint
Despite the revenue miss, EPS rose sharply year over year ($0.27 vs $0.04), suggesting profitability may be supported even if top-line growth is soft.
Key entities
- public_companyAmentum Holdings
NYSE-listed government engineering and technology solutions provider that missed Q2 CY2026 revenue and EPS expectations.
