Key Highlights

  • ATI reported second quarter 2026 adjusted EBITDA of $284 million, up 37 percent year over year and $29 million above the high end of guidance.
  • Defense revenue grew 36 percent to an all-time high, while jet engine revenue increased 13 percent on strong nickel alloy demand.
  • The company raised full-year adjusted EBITDA guidance to a range of $1.135 billion to $1.185 billion, up from prior guidance, with the midpoint representing 35 percent year-over-year growth.
  • Record backlog reached $4.4 billion, up 18 percent year over year, providing multi-year visibility into future shipments.

AA&S Segment Margin Nearly Doubles on Portfolio Shift

ATI Inc. (NYSE:ATI) delivered second quarter revenue of $1.3 billion, up 11 percent year over year, with adjusted EBITDA margins expanding 440 basis points to 22.6 percent. The Advanced Alloys and Solutions segment was a key driver, with sales up 17 percent to $624 million and segment margin expanding 930 basis points to an all-time high of 23.7 percent. Excluding a $10 million asset sale gain, underlying AA&S margin still came in near 22 percent, compared with 14 percent a year earlier.

Management attributed the improvement to a multi-year shift toward higher-value aerospace, defense, and specialty energy applications, which now account for approximately 44 percent of AA&S revenue, more than double the share from five years ago. The company also cited its position as one of three qualified Western producers of high-purity hafnium and zirconium, materials increasingly valuable given export limitations from China, as a durable competitive advantage supporting stronger pricing.

Jet Engine and Defense Demand Outpace Airframe Recovery

Jet engine revenue, ATI's largest end market, grew 13 percent year over year and 8 percent sequentially, with the company noting it produces six of the seven most advanced nickel-based superalloys used in next-generation engines, five of them as sole source supplier. Defense revenue increased 36 percent, driven by naval nuclear, missile, and missile defense demand, including a renewed naval nuclear contract extending through 2030 that more than doubles annual revenue compared with the prior agreement.

Airframe revenue declined slightly during the quarter as customer order patterns aligned with previously elevated inventory levels, though management said inventories have largely normalized and expects mid-to-high single-digit airframe growth for the full year, weighted toward the second half. Specialty energy revenue fell 6 percent as the company prioritized production capacity toward higher-value defense orders, a mix shift expected to reverse in the second half as nuclear shipments resume.

HPMC Shipments Deferred, Not Lost, as Facilities Ramp

The High Performance Materials and Components segment grew sales 5 percent to $637 million, though qualification timing at a new Mexico facility and a titanium electron beam furnace shifted an estimated $30 million to $40 million of revenue from the first half into the second half of the year, at incremental margins the company characterized as 40 to 50 percent. Management said the underlying demand for that deferred volume remains intact and expects the segment's margin to strengthen sequentially as contract renewals and productivity gains from its Elevation operating system take hold.

Should qualification delays persist longer than anticipated at either facility, further deferrals could push expected second-half improvement into 2027, though management expressed high confidence in the current timeline given committed customer schedules. The company is targeting roughly 15 to 20 percent additional nickel capacity by early 2028, expected to contribute approximately $350 million of incremental annual revenue.

Conclusion

ATI's second quarter results point to a business whose earnings power has broadened beyond a single favorable market, with both its legacy materials segment and its specialty alloys segment now capable of double-digit margin expansion simultaneously. The raised guidance rests on contracted pricing and committed customer schedules rather than speculative demand, which may support continued execution, though the durability of elevated defense and jet engine growth rates could moderate as comparisons get tougher into 2027. Lead times extending toward two years on some proprietary products suggest capacity, not demand, may increasingly define the pace of ATI's growth.