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Amentum Holdings, Inc.

$19.46 -$11.02 (-36.15%)
NYSE · 11 Sep 2026 20:00 UTC
Previous Close
$19.56
Day Range
$19.23$19.68
Year Range
$19.21$38.11
Market Cap
4.75B
AVG Volume
2.14M
Trailing/Forward PE
23.45/7.37
PEG ratio
3.09
Dividend Yield
-
Next Earnings Date
2026-11-23
Primary Exchange
New York Stock ExchangeUS
Revenue (USD)
02B4B6B24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Revenue (USD) by quarter
PeriodRevenue (USD)
26 Q33.49B
26 Q23.48B
26 Q13.24B
25 Q43.92B
25 Q33.56B
25 Q23.49B
25 Q13.42B
24 Q44.24B
24 Q32.14B
24 Q21.43B
Net Income (USD)
-300M-200M-100M0100M24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Net Income (USD) by quarter
PeriodNet Income (USD)
26 Q366M
26 Q254M
26 Q144M
25 Q440M
25 Q310M
25 Q24M
25 Q112M
24 Q4-272M
24 Q3-26M
24 Q265M
Operating Income (USD)
050M100M150M200M24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Operating Income (USD) by quarter
PeriodOperating Income (USD)
26 Q3172M
26 Q2127M
26 Q1138M
25 Q4143M
25 Q3117M
25 Q2123M
25 Q1120M
24 Q427M
24 Q389M
24 Q291M
EBITDA (USD)
0100M200M300M24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM EBITDA (USD) by quarter
PeriodEBITDA (USD)
26 Q3223M
26 Q2251M
26 Q1223M
25 Q4258M
25 Q3229M
25 Q2239M
25 Q1261M
24 Q4248M
24 Q3148M
24 Q2109M
Cash Flows (USD)
-200M0200M400M24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Cash Flows (USD) by quarter
PeriodCash Flows (USD)
26 Q3135M
26 Q2231M
26 Q1-142M
25 Q4261M
25 Q3100M
25 Q253M
25 Q1102M
24 Q4-117.18M
24 Q3236M
24 Q22M
EPS (USD)
-0.2500.250.50.7524 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM EPS (USD) by quarter
PeriodEPS (USD)
26 Q30.27
26 Q20.22
26 Q10.18
25 Q40.16
25 Q30.04
25 Q20.02
25 Q10.05
24 Q40.28
24 Q3-0.17
24 Q20.72
Expenses (USD)
-50M050M100M150M200MSG&ACapex24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Expenses (USD) by quarter
PeriodExpenses (USD)
26 Q311M
26 Q2118M
26 Q1121M
25 Q4162M
25 Q3139M
25 Q2128M
25 Q1129M
24 Q434.19M
24 Q379M
24 Q2104M
Cash & Debt (USD)
02B4B6BCashLong Term DebtShort Term Debt24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Cash & Debt (USD) by quarter
PeriodCash & Debt (USD)
26 Q3459M
26 Q2428M
26 Q1247M
25 Q4437M
25 Q3738M
25 Q2546M
25 Q1522M
24 Q4452M
24 Q3196M
24 Q2179M
Debt ratios
-20246824 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Debt ratios by quarter
PeriodDebt ratios
26 Q33.52
26 Q23.64
26 Q13.89
25 Q43.78
25 Q33.83
25 Q24.61
25 Q15.43
24 Q47.33
24 Q3-0.03
24 Q2-0.18
Margins
0%5%10%15%24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Margins by quarter
PeriodMargins
26 Q310.32%
26 Q27.22%
26 Q110.07%
25 Q47.54%
25 Q37.02%
25 Q27.08%
25 Q17.06%
24 Q44.97%
24 Q39.62%
24 Q213.47%
Return on Capital
-6%-4%-2%0%2%24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Return on Capital by quarter
PeriodReturn on Capital
26 Q31.38%
26 Q21.15%
26 Q10.94%
25 Q40.87%
25 Q30.22%
25 Q20.09%
25 Q10.26%
24 Q4-5.98%
24 Q3-0.8%
24 Q21.94%
Shares Outstanding
0100M200M300M24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Shares Outstanding by quarter
PeriodShares Outstanding
26 Q3244M
26 Q2244M
26 Q1244M
25 Q4243M
25 Q3243M
25 Q2243M
25 Q1243M
24 Q492M
24 Q390.5M
24 Q290M
Book Value Per Share (USD)
020406024 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Book Value Per Share (USD) by quarter
PeriodBook Value Per Share (USD)
26 Q319.63
26 Q219.27
26 Q119.11
25 Q419.01
25 Q318.88
25 Q218.84
25 Q118.78
24 Q449.48
24 Q335.92
24 Q237.29
Total Assets (USD)
05B10B15B24 Q224 Q324 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q3
AMTM Total Assets (USD) by quarter
PeriodTotal Assets (USD)
26 Q311.2B
26 Q211.17B
26 Q111.2B
25 Q411.46B
25 Q311.81B
25 Q212B
25 Q111.92B
24 Q411.97B
24 Q34.05B
24 Q24.17B
Employee Count
020K40K60K20242025
AMTM Employee Count by quarter
PeriodEmployee Count
202550K
202453K
PE Ratio
050100150med 38.09Nov 24Dec 25Jan 26Mar 26May 26Jul 26Sep 26
AMTM PE Ratio by quarter
PeriodPE Ratio
Sep 2623.28
Sep 2623.99
Aug 2624.29
Aug 2625.7
Aug 2625.68
Aug 2640.84
Jul 2636.6
Jul 2637.18
Jul 2634.09
Jul 2634.64
Jul 2635.02
Jun 2633.39
Jun 2635.71
Jun 2637.69
Jun 2637.59
May 2638.3
May 2638.3
May 2637.89
May 2661.07
May 2663.86
Apr 2664.36
Apr 2668.67
Apr 2665.46
Apr 2667.32
Mar 2664.34
Mar 2666.73
Mar 2669.47
Mar 2674.72
Feb 2674.37
Feb 2677.11
Feb 2677.18
Feb 26138.18
Jan 26131.74
Jan 26130.26
Jan 26128.13
Jan 26123.82
Jan 26112.22
Dec 25109.46
Dec 25107.55
Dec 25109.42
Dec 25106.33
Nov 25105.41
Dec 2412.2
Dec 2412.26
Nov 2412.89
Nov 2412.93
Nov 2413.34
Nov 2417.68
Nov 2416.3
Oct 2415.69
Oct 2415.51
Oct 2414.24
Oct 2414.01
Sep 2413.59
Free Cash Flow Yield
0%5%10%15%med 4.92%Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
AMTM Free Cash Flow Yield by quarter
PeriodFree Cash Flow Yield
Sep 2610.21%
Sep 269.91%
Aug 269.79%
Aug 269.25%
Aug 269.26%
Aug 267.45%
Jul 268.31%
Jul 268.18%
Jul 268.92%
Jul 268.78%
Jul 268.68%
Jun 269.11%
Jun 268.51%
Jun 268.07%
Jun 268.09%
May 267.94%
May 267.94%
May 268.03%
May 264.54%
May 264.35%
Apr 264.31%
Apr 264.04%
Apr 264.24%
Apr 264.12%
Mar 264.31%
Mar 264.16%
Mar 264%
Mar 263.71%
Feb 263.73%
Feb 263.6%
Feb 263.6%
Feb 265.66%
Jan 265.93%
Jan 266%
Jan 266.1%
Jan 266.31%
Jan 266.97%
Dec 257.14%
Dec 257.27%
Dec 257.14%
Dec 257.35%
Nov 257.42%
Nov 252.34%
Nov 252.57%
Nov 252.53%
Oct 252.53%
Oct 252.52%
Oct 252.53%
Oct 252.42%
Oct 252.19%
Sep 252.51%
Sep 252.54%
Sep 252.38%
Sep 252.34%
Aug 252.27%
Aug 252.27%
Aug 252.25%
Aug 252.26%
Aug 254.66%
Jul 254.4%
Jul 254.46%
Jul 254.76%
Jul 254.65%
Jun 254.81%
Jun 255.16%
Jun 254.97%
Jun 255.03%
May 255.45%
May 255.49%
May 255.16%
May 255.31%
May 254.19%
Apr 254.18%
Apr 254.88%
Apr 255.05%
Apr 255.25%
Mar 255.07%
Mar 255.01%
Mar 255.12%
Mar 254.59%
Feb 254.67%
Feb 254.58%
Feb 254.63%
Feb 254.14%
Jan 251.86%
Jan 251.8%
Jan 251.71%
Jan 251.73%
Jan 251.73%
Dec 241.9%
Dec 242.03%
Dec 2412.08%
Dec 2412.02%
Nov 2411.44%
Nov 2411.4%
Nov 2411.05%
Nov 248.34%
Nov 249.04%
Oct 249.39%
Oct 249.5%
Price to Sales
00.20.40.60.8med 0.4Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
AMTM Price to Sales by quarter
PeriodPrice to Sales
Sep 260.34
Sep 260.35
Aug 260.35
Aug 260.37
Aug 260.37
Aug 260.43
Jul 260.38
Jul 260.39
Jul 260.36
Jul 260.36
Jul 260.36
Jun 260.35
Jun 260.37
Jun 260.39
Jun 260.39
May 260.4
May 260.4
May 260.39
May 260.42
May 260.44
Apr 260.44
Apr 260.47
Apr 260.45
Apr 260.46
Mar 260.44
Mar 260.46
Mar 260.48
Mar 260.52
Feb 260.51
Feb 260.53
Feb 260.53
Feb 260.63
Jan 260.6
Jan 260.6
Jan 260.59
Jan 260.57
Jan 260.51
Dec 250.5
Dec 250.49
Dec 250.5
Dec 250.49
Nov 250.48
Nov 250.4
Nov 250.36
Nov 250.37
Oct 250.37
Oct 250.37
Oct 250.37
Oct 250.39
Oct 250.43
Sep 250.37
Sep 250.37
Sep 250.39
Sep 250.4
Aug 250.41
Aug 250.41
Aug 250.42
Aug 250.42
Aug 250.44
Jul 250.47
Jul 250.46
Jul 250.43
Jul 250.44
Jun 250.43
Jun 250.4
Jun 250.41
Jun 250.41
May 250.38
May 250.38
May 250.4
May 250.39
May 250.47
Apr 250.47
Apr 250.41
Apr 250.39
Apr 250.38
Mar 250.39
Mar 250.4
Mar 250.39
Mar 250.43
Feb 250.43
Feb 250.43
Feb 250.43
Feb 250.48
Jan 250.21
Jan 250.22
Jan 250.23
Jan 250.23
Jan 250.23
Dec 240.21
Dec 240.19
Dec 240.33
Dec 240.33
Nov 240.34
Nov 240.35
Nov 240.36
Nov 240.47
Nov 240.44
Oct 240.42
Oct 240.41
EV/EBITDA
2.557.51012.515med 10.48Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
AMTM EV/EBITDA by quarter
PeriodEV/EBITDA
Sep 268.5
Sep 268.65
Aug 268.71
Aug 269.02
Aug 269.01
Aug 269.93
Jul 269.28
Jul 269.37
Jul 268.89
Jul 268.98
Jul 269.03
Jun 268.78
Jun 269.14
Jun 269.45
Jun 269.43
May 269.54
May 269.54
May 269.48
May 2610.19
May 2610.48
Apr 2610.53
Apr 2610.98
Apr 2610.65
Apr 2610.84
Mar 2610.53
Mar 2610.78
Mar 2611.06
Mar 2611.6
Feb 2611.57
Feb 2611.85
Feb 2611.86
Feb 2613.02
Jan 2612.59
Jan 2612.49
Jan 2612.35
Jan 2612.06
Jan 2611.28
Dec 2511.1
Dec 2510.97
Dec 2511.1
Dec 2510.89
Nov 2510.83
Nov 259.87
Nov 259.32
Nov 259.41
Oct 259.41
Oct 259.44
Oct 259.41
Oct 259.65
Oct 2510.29
Sep 259.45
Sep 259.39
Sep 259.77
Sep 259.86
Aug 2510.04
Aug 2510.04
Aug 2510.1
Aug 2510.08
Aug 2511.17
Jul 2511.55
Jul 2511.46
Jul 2511.03
Jul 2511.18
Jun 2510.97
Jun 2510.54
Jun 2510.77
Jun 2510.69
May 2510.22
May 2510.18
May 2510.54
May 2510.36
May 2512.36
Apr 2512.38
Apr 2511.39
Apr 2511.19
Apr 2510.97
Mar 2511.16
Mar 2511.24
Mar 2511.11
Mar 2511.77
Feb 2511.66
Feb 2511.77
Feb 2511.71
Feb 2512.46
Jan 2510.48
Jan 2510.58
Jan 2510.76
Jan 2510.72
Jan 2510.72
Dec 2410.41
Dec 2410.21
Dec 244.38
Dec 244.4
Nov 244.63
Nov 244.64
Nov 244.79
Nov 246.36
Nov 245.86
Oct 245.64
Oct 245.57
Price/Operating Cashflow
01020304050med 18.95Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
AMTM Price/Operating Cashflow by quarter
PeriodPrice/Operating Cashflow
Sep 269.4
Sep 269.69
Aug 269.81
Aug 2610.38
Aug 2610.37
Aug 2613
Jul 2611.65
Jul 2611.83
Jul 2610.85
Jul 2611.02
Jul 2611.15
Jun 2610.63
Jun 2611.37
Jun 2612
Jun 2611.96
May 2612.19
May 2612.19
May 2612.06
May 2620.15
May 2621.07
Apr 2621.24
Apr 2622.66
Apr 2621.6
Apr 2622.21
Mar 2621.23
Mar 2622.02
Mar 2622.92
Mar 2624.65
Feb 2624.54
Feb 2625.44
Feb 2625.47
Feb 2616.8
Jan 2616.01
Jan 2615.83
Jan 2615.57
Jan 2615.05
Jan 2613.64
Dec 2513.3
Dec 2513.07
Dec 2513.3
Dec 2512.92
Nov 2512.81
Nov 2536.84
Nov 2533.52
Nov 2534.03
Oct 2534.03
Oct 2534.25
Oct 2534.02
Oct 2535.52
Oct 2539.41
Sep 2534.28
Sep 2533.94
Sep 2536.22
Sep 2536.81
Aug 2537.89
Aug 2537.88
Aug 2538.24
Aug 2538.16
Aug 2520.11
Jul 2521.3
Jul 2521
Jul 2519.71
Jul 2520.15
Jun 2519.51
Jun 2518.17
Jun 2518.88
Jun 2518.65
May 2517.19
May 2517.09
May 2518.17
May 2517.65
May 2522.13
Apr 2522.19
Apr 2519.02
Apr 2518.38
Apr 2517.69
Mar 2518.3
Mar 2518.55
Mar 2518.12
Mar 2520.24
Feb 2519.88
Feb 2520.25
Feb 2520.05
Feb 2522.44
Jan 2541.04
Jan 2542.25
Jan 2544.6
Jan 2544.05
Jan 2544.17
Dec 2440.08
Dec 2437.52
Dec 247.87
Dec 247.91
Nov 248.32
Nov 248.34
Nov 248.61
Nov 2411.41
Nov 2410.52
Oct 2410.13
Oct 2410.01
Price to Book
00.511.52med 1.19Dec 24Apr 25Jul 25Oct 25Feb 26May 26Sep 26
AMTM Price to Book by quarter
PeriodPrice to Book
Sep 260.99
Sep 261.02
Aug 261.03
Aug 261.09
Aug 261.09
Aug 261.29
Jul 261.15
Jul 261.17
Jul 261.07
Jul 261.09
Jul 261.1
Jun 261.05
Jun 261.12
Jun 261.19
Jun 261.18
May 261.21
May 261.21
May 261.19
May 261.28
May 261.34
Apr 261.35
Apr 261.44
Apr 261.38
Apr 261.42
Mar 261.35
Mar 261.4
Mar 261.46
Mar 261.57
Feb 261.56
Feb 261.62
Feb 261.62
Feb 261.97
Jan 261.88
Jan 261.86
Jan 261.83
Jan 261.77
Jan 261.6
Dec 251.56
Dec 251.54
Dec 251.56
Dec 251.52
Nov 251.51
Nov 251.28
Nov 251.17
Nov 251.19
Oct 251.19
Oct 251.19
Oct 251.19
Oct 251.24
Oct 251.37
Sep 251.2
Sep 251.18
Sep 251.26
Sep 251.28
Aug 251.32
Aug 251.32
Aug 251.33
Aug 251.33
Aug 251.28
Jul 251.36
Jul 251.34
Jul 251.26
Jul 251.28
Jun 251.24
Jun 251.16
Jun 251.2
Jun 251.19
May 251.1
May 251.09
May 251.16
May 251.13
May 251.16
Apr 251.17
Apr 251
Apr 250.97
Apr 250.93
Mar 250.96
Mar 250.98
Mar 250.95
Mar 251.06
Feb 251.05
Feb 251.07
Feb 251.05
Feb 251.18
Jan 250.42
Jan 250.44
Jan 250.46
Jan 250.45
Jan 250.46
Dec 240.41
Dec 240.39
Dec 240.64
Dec 240.64
Nov 240.68
Nov 240.68
Nov 240.7
Nov 240.93
Nov 240.86
Oct 240.83
Oct 240.82
Amentum Holdings, Inc.
AMTM
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News: AMTM

Amentum Selected for Projects to Upgrade and Protect the UK Energy Grid

businesswire.com · 1 Sep 2026

Amentum Selected for Projects to Upgrade and Protect the UK Energy Grid

CHANTILLY, Va.--(BUSINESS WIRE)-- #AmentumWin--Amentum has been selected for strategic positions on two significant UK energy frameworks awarded by SSEN Transmission.

AWH Capital L.P. Invests $4.86 Billion in Amentum Holdings, Inc. $AMTM

defenseworld.net · 28 Aug 2026

AWH Capital L.P. Invests $4.86 Billion in Amentum Holdings, Inc. $AMTM

AWH Capital L.P. bought a new stake in Amentum Holdings, Inc. (NYSE: AMTM) in the second quarter, according to its most recent Form 13F filing with the SEC. The institutional investor bought 235,250 shares of the company's stock, valued at approximately $4,862,618,000. Amentum accounts for about 3.3% of AWH Capital L.P.'s investment portfolio,

Amentum Wins $974M Center Maintenance, Operations, and Engineering Contract at NASA Langley Research Center

businesswire.com · 20 Aug 2026

Amentum Wins $974M Center Maintenance, Operations, and Engineering Contract at NASA Langley Research Center

CHANTILLY, Va.--(BUSINESS WIRE)-- #AmentumWin--Amentum (NYSE: AMTM) has been awarded the Center Maintenance, Operations, and Engineering II (CMOE II) contract at NASA Langley Research Center in Hampton, Virginia, a renowned hub for scientific discovery and innovation. The award reaffirms Amentum's role as a trusted partner in advancing NASA's groundbreaking research, technology development, and exploration goals. “The scope of solutions and capabilities we deliver will ensure NASA Langley sustains its critic.

Amentum to Support Critical Infrastructure and Platforms Under New Engineering Services Framework

gurufocus.com · 19 Aug 2026

Amentum to Support Critical Infrastructure and Platforms Under New Engineering Services Framework

[url="]Amentum[/url] (NYSE: AMTM) has joined a five-year Babcock International Group Engineering Services Framework to support nuclear, marine, land, aviation a

Amentum to Support Critical Infrastructure and Platforms Under New Engineering Services Framework

businesswire.com · 19 Aug 2026

Amentum to Support Critical Infrastructure and Platforms Under New Engineering Services Framework

CHANTILLY, Va.--(BUSINESS WIRE)---- $AMTM #Amentum--Amentum joins five-year Babcock framework to support nuclear, marine, land, aviation and mission systems for the UK Armed Forces at home and abroad.

Amentum: Everyone, And I Mean (Almost) Everyone, Is Wrong About The Stock

seekingalpha.com · 18 Aug 2026

Amentum: Everyone, And I Mean (Almost) Everyone, Is Wrong About The Stock

Amentum is rated Hold (C+), with upside limited by declining revenue and guidance credibility concerns. Despite record margins, EPS, and backlog, AMTM cut revenue guidance for the second straight quarter, highlighting persistent top-line headwinds. Valuation appears reasonable at an 8.8x forward P/E and 10.5% free cash flow yield, but leverage and lack of a dividend temper the bull case.

Amentum Joint Venture Selected for Australia Nuclear Submarine Shipyard Program

businesswire.com · 18 Aug 2026

Amentum Joint Venture Selected for Australia Nuclear Submarine Shipyard Program

CHANTILLY, Va.--(BUSINESS WIRE)---- $AMTM #ANI--ANI selected an Amentum and Laing O'Rourke JV to support the delivery of a nuclear-powered submarine construction yard in South Australia.

Can Space Stocks Bounce Back? This $1 Billion Air Force Contract Might Help.

fool.com · 18 Aug 2026

Can Space Stocks Bounce Back? This $1 Billion Air Force Contract Might Help.

After a historic retreat, are space stocks finally cheap enough to buy again?

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