Amentum Holdings - 2 Year Stock Price History | AMTM

Historical daily share price chart and data for Amentum Holdings since 2024 adjusted for splits and dividends. The latest closing stock price for Amentum Holdings as of June 17, 2026 is 21.50.
  • The all-time high Amentum Holdings stock closing price was 37.53 on February 06, 2026.
  • The Amentum Holdings 52-week high stock price is 38.11, which is 77.3% above the current share price.
  • The Amentum Holdings 52-week low stock price is 21.11, which is 1.8% below the current share price.
  • The average Amentum Holdings stock price for the last 52 weeks is 26.41.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Amentum Holdings Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 28.2466 30.4800 37.5300 21.5000 21.5000 -25.86%
2025 22.8482 21.6600 30.1300 16.4300 29.0000 37.90%
Sector Industry Market Cap Revenue
Construction Engineering - Research & Development Services $6.413B $14.393B
Amentum is an advanced engineering and technology solutions company. Amentum is based in CHANTILLY, Va.
Stock Name Country Market Cap PE Ratio
Quanta Services (PWR) United States $87.581B 59.73
Sterling Infrastructure (STRL) United States $13.695B 42.84
Weir Group (WEGRY) United Kingdom $11.012B 0.00
AECOM (ACM) United States $10.807B 15.95
Babcock Group (BCKIY) United Kingdom $8.528B 0.00
Tetra Tech (TTEK) United States $7.874B 19.35
Fluor (FLR) United States $7.042B 22.68
Legence (LGN) United States $6.828B 0.00
VSE (VSEC) United States $6.110B 55.84
KBR (KBR) United States $4.649B 9.40
Metallurgical Of China (MLLUY) China $4.445B 0.00
Kadant Inc (KAI) United States $3.838B 35.06
Arcadis (ARCAY) Netherlands $2.445B 0.00
Cardinal Infrastructure Group (CDNL) United States $1.956B 0.00
Chiyoda (CHYCY) Japan $1.942B 11.84
SENIOR (SNIRF) United Kingdom $1.749B 0.00
Vesuvius (CKSNY) United Kingdom $1.578B 0.00
Innodata Inc (INOD) United States $1.160B 39.10
Mayville Engineering (MEC) United States $0.416B 0.00
Magnera (MAGN) United States $0.358B 0.00
TSS (TSSI) United States $0.345B 23.43
Matrix Service (MTRX) United States $0.343B 0.00
Magnitude (MAGH) Singapore $0.237B 0.00
Shimmick (SHIM) United States $0.142B 0.00
Helio (HLEO) United States $0.066B 0.00
Skyline Builders (SKBL) Hong Kong, SAR China $0.047B 0.00
SUs (SUGP) Hong Kong, SAR China $0.007B 0.00
SKK Holdings (SKK) Singapore $0.006B 0.00