TOP TIERMARKET NEWSWIRE
Movers explained · July 30, 2026

Why Is AMENTUM HLDGS INC EQ (AMTM) Stock Moving Today?

By the Top Tier Newswire AI Desk · July 27, 2026 at 8:10 AM ET · reviewed against 0 wire stories

AMENTUM HLDGS INC EQ (AMTM) is drawing unusual attention today.

Amentum (AMTM) shares are moving today after the company announced a potential phased lease at the Savannah River Site in South Carolina under a selection by the U.S. Department of Energy’s National Nuclear Security Administration. The lease is intended to develop integrated AI and energy infrastructure projects, which has drawn investor attention. The stock opened with a 1.9% gap up from the prior close but has remained unchanged at $22.97 in the session so far.

What Happened

Amentum announced that the U.S. Department of Energy’s National Nuclear Security Administration has selected the company to negotiate a phased lease at the Savannah River Site. This development is part of a broader initiative to explore the integration of AI and energy infrastructure. The company has also recently secured a five-year, $77 million contract from the U.S. General Services Administration and formed a joint venture with Aerodyne Industries to receive a NASA spaceflight mission operations contract. These developments suggest a strategic push into high-growth government and technology sectors.

What The Data Shows

The stock opened at $22.97, a 1.9% increase from the prior close of $22.55. The session has seen no price movement, with the high and low both at $22.97. Trading volume has remained at 0.0M shares, which is 0.0x the 3-month daily average. Amentum has a market cap of $5.5B, a P/E ratio of 37.6, and trailing twelve-month revenue growth of 26.1%. The stock is currently trading within its 52-week range of $19.80 to $38.11. Recent congressional trades include two transactions by Donald J. Trump, with a purchase and a sale of $15,001 to $50,000 each.

What To Watch

Investors should monitor the progress of the lease negotiations at the Savannah River Site, as well as the company’s upcoming earnings report if one is scheduled. Coverage from analysts remains neutral, with price targets recently lowered by B of A Securities and JPMorgan.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Not financial advice.

AMTM by the numbers

Mkt cap: $5.5BP/E: 37.652w: $19.80 to $38.11
AMTM · Jul 27 session (5-min) · +1.33% vs prior close · updated 8:55 PM ET
$22.50$22.80$23.11prev close $22.55$22.857:30 AM10:25 AM1:20 PM4:15 PM7:10 PM7:30 AM · $22.978:35 AM · $22.999:15 AM · $22.779:30 AM · $22.619:35 AM · $22.969:40 AM · $22.929:45 AM · $22.939:50 AM · $22.969:55 AM · $22.8710:00 AM · $22.9310:05 AM · $22.8810:10 AM · $22.9010:15 AM · $22.8410:20 AM · $22.8410:25 AM · $22.7910:30 AM · $22.8010:35 AM · $22.8410:40 AM · $22.8010:45 AM · $22.7910:50 AM · $22.8710:55 AM · $22.8511:00 AM · $22.8511:05 AM · $22.7411:10 AM · $22.8411:15 AM · $22.7911:20 AM · $22.8211:25 AM · $22.8211:30 AM · $22.8011:35 AM · $22.7711:40 AM · $22.7711:45 AM · $22.7511:50 AM · $22.6811:55 AM · $22.7012:00 PM · $22.7612:05 PM · $22.8112:10 PM · $22.8212:15 PM · $22.8312:20 PM · $22.9012:25 PM · $22.9212:30 PM · $22.9512:35 PM · $22.9712:40 PM · $22.9312:45 PM · $22.9212:50 PM · $22.9112:55 PM · $22.881:00 PM · $22.841:05 PM · $22.811:10 PM · $22.831:15 PM · $22.871:20 PM · $22.871:25 PM · $22.861:30 PM · $22.891:35 PM · $22.841:40 PM · $22.831:45 PM · $22.841:50 PM · $22.911:55 PM · $22.942:00 PM · $22.912:05 PM · $22.902:10 PM · $22.912:15 PM · $22.952:20 PM · $22.942:25 PM · $22.942:30 PM · $22.962:35 PM · $22.952:40 PM · $22.952:45 PM · $22.942:50 PM · $22.992:55 PM · $22.973:00 PM · $22.973:05 PM · $22.983:10 PM · $22.993:15 PM · $23.003:20 PM · $22.973:25 PM · $23.003:30 PM · $22.973:35 PM · $22.963:40 PM · $22.943:45 PM · $22.993:50 PM · $22.973:55 PM · $22.884:00 PM · $22.874:05 PM · $22.854:10 PM · $22.874:20 PM · $22.875:20 PM · $23.066:30 PM · $22.877:00 PM · $23.007:10 PM · $22.85

The headlines behind the move

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Earlier AMTM move explainers: 2026-07-27 · 2026-07-21 · 2026-07-20