Northrop Grumman Shares Up 28% YTD With Its Biggest Upside Not Yet in Guidance

With three consecutive earnings beats after a $477M B-21 loss provision shook investor confidence, and now Northrop Grumman (NYSE:NOC | NOC Price Prediction) has a signed Air Force contract to back up what had been an earnings-call promise. Shares are up 28% year-to-date to around $735.18, already trading above the analyst consensus target, which means the market is betting on execution before the numbers arrive. 

Northrop’s B-21 Breakout Finally Has a Contract Behind It

The February acceleration agreement converts what an earnings-call promise is into a signed commitment. CEO Kathy Warden had told investors on the Q4 call that “funding for this acceleration has been approved as part of the reconciliation bill, and I am optimistic that we will come to an agreement with the Air Force this quarter.” That agreement arrived. Financial impact is expected to be minimal in 2026 but ramp meaningfully in 2027 and 2028, and it is not yet included in 2026 guidance, representing unpriced upside if execution holds.

The underlying business is performing well, with Q4 2025 revenue reaching $11.7 billion, up 10% year-over-year, a record backlog of $95.7 billion, and free cash flow of $3.3 billion, up 26% from the prior year, all while the Aeronautics Systems business alone grew 18% in Q4.

The Bullish Case

The bullish case rests on three pillars:

• The B-21 acceleration deal is funded via reconciliation and represents guidance upside Northrop has not yet quantified for 2026
• 2026 guidance calls for $43.5-$44 billion in sales and free cash flow of $3.1-$3.5 billion, with the B-21 ramp not yet in those numbers
• The defense spending environment is the strongest Warden says she has seen: “This is the most robust demand environment I’ve seen in my career.”

The Sentinel Shadow Northrop Can’t Shake

The Sentinel ICBM program remains a risk as initial operating capability has slipped to 2033, and the Air Force is restructuring the program’s milestone schedule following a Nunn-McCurdy cost breach. Warden acknowledged the program is still in development for several years, with production transition expected later in the decade. Sentinel is not a near-term earnings problem, but it is the kind of slow-moving fixed-price risk that previously blindsided investors with the B-21 loss provision.

With NOC trading at 26-27x earnings and above the analyst consensus target of $675, the stock is pricing in execution, while short interest has risen 19% recently, though it remains well below the defense sector average. Watch whether the formal B-21 production-rate contract lands with financial terms this quarter, as Warden indicated it would.