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AMTM · Amentum Holdings, Inc.

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$21.76 +0.47 (+2.21%) At close · Oct 23
S&P 600 member Russell 1000 member Rebalance outlook locked
Market Cap
$5.32B
Shares
244.51M
Volume · Oct 23 2.08M Avg daily vol (3M) 2.02M

Price & Indicators

Drag to pan · scroll to zoom
Indicators
Price
Panels
Event markers
20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$21.76 Open$21.02 Day$20.64–21.79 52W close$18.12–37.53 Avg vol 30d1.8M Short int12.3M · 5.0% float · 6.8d Short vol63% Last earningsAug 11, 2026 DataSep 2024–Oct 2026 Filing10-Q · Aug 11

Up next

Next earnings call
Nov 10, 2026 Est · unconfirmed · in 2 wks
Latest filing: 10-Q
filed Aug 11, 2026
Q3 2026 earnings call transcript
call held Aug 11, 2026

Metrics snapshot

Useful current figures from the complete screener profile.

Revenue (TTM)
$14.13B
Trailing 12 months
Net income (TTM)
$204.00M
Trailing 12 months
Revenue growth YoY
-2.0%
Year over year
Operating margin
4.2%
Trailing 12 months
P / E (TTM)
26.2
Trailing earnings · reciprocal yield 3.8%
FCF yield
8.9%
TTM · current market cap
Return on invested capital
5.5%
Trailing 12 months
Net cash
−$3.37B
Latest balance sheet
Dividend yield
—
Trailing 12 months
Shares change YoY
+0.8%
Year over year · more shares
Price change (1Y)
-6.0%
Trailing year
Short interest
5.0%
Latest settlement · 6.8 days to cover
View all 122 metrics

Quarterly results

Revenue Net income Net loss
· $2.21B $26.00M '24 Q4* ▲72.3% $3.42B $12.00M '25 Q1 ▲70.2% $3.49B $4.00M '25 Q2 ▲66.2% $3.56B $10.00M '25 Q3 ▲77.4% $3.92B $40.00M '25 Q4* ▼5.2% $3.24B $44.00M '26 Q1 ▼0.4% $3.48B $54.00M '26 Q2 LATEST ▼2% $3.49B $66.00M '26 Q3

* Q4 derived as the full year minus Q1 to Q3.

AI Brief

Q3 FY26 earnings call · Aug 11, 2026
Q3 FY26

TL;DR. Amentum posted record 8.3% adjusted EBITDA margins and raised FY26 adjusted EBITDA and EPS guidance, while lowering FY26 revenue outlook due to protest-related delays and NASA insourcing now expected at a 3% revenue impact in FY27.

Bullish
  • + Raised FY26 adjusted EBITDA guidance to $1.14B and adjusted diluted EPS to $2.40–$2.50
  • + Record quarterly adjusted EBITDA margins of 8.3%, up 60 bps YoY
  • + Reached net leverage of 3.0x one quarter earlier than targeted, enabling greater capital deployment flexibility
  • + Backlog grew to $48B with funded backlog up 10% YoY to $6.2B and LTM book-to-bill of 1.3x
  • + Strategic wins in nuclear energy including DOE Savannah River AI data center/nuclear facility and Westinghouse APX alliance
Bearish
  • − Lowered FY26 revenue guidance to $13.8–$13.95B from prior $13.95–$14.30B
  • − NASA insourcing now expected to drive a 3% revenue impact in FY27, up from prior ~1% estimate
  • − Q3 revenue of $3.5B came in slightly below expectations due to protest-related new business delays
  • − Q3 GAAP revenue declined 2% YoY, with GES segment revenue down 5% YoY on JV transitions and divestitures

AI-generated from the earnings call and 8-K · may contain errors · not investment advice

Equibles Rating

blended score · not investment advice
Overall
Neutral
SellHoldBuy
Technical Neutral Momentum Weak Sentiment Bearish Fundamentals Excellent Quant / Vol Very High
Market backdrop VIX 19.5 · elevated Equity put/call 0.67
Technical
price trend
Neutral
50 / 200-day cross No cross
Price vs 200-day avg −12%
below
Price vs 50-day avg +10%
above
RSI (14) 70
neutral
MACD trend Positive
52-week position 19%
mid-range
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Weak
1-month return +13%
trailing
6-month return −16%
trailing
YTD return −25%
this year
Relative strength −21%
vs S&P · 6-mo
Sentiment
smart money
Bearish
Trend (MA cross) No cross
50d $20 › 200d $25 — 200d above 50d
Institutional flow Distributing
95 of 468 funds reported for Sep 30 · net -10.5M sh shares · +9 new
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
5.04% of float · ▲ +0.8% MoM · 6.8 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
468 holders — mid 2-yr range
Squeeze score 63
elevated · 0–100
Fundamentals
Excellent
Revenue growth +72%
Y/Y
EPS growth +130%
Y/Y
Free cash flow $516.0M
Valuation P/E 26.2
below peers
Balance sheet $3.5B
net debt
Quant / Vol
risk profile
Very High
Volatility 47%
annualized · 1-yr
Max drawdown −52%
past year
ATR 3.3%
of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Guidance & track record

Latest guidance · from the Earnings Call filed Aug 11, 2026
Revenue · fiscal year 26 Maintained $13.8B – $13.95B
Aug 10, 2026 $13.8B – $13.95B changed to Aug 11, 2026 $13.8B – $13.95B
prior FY $14.39B midpoint −3.6% Y/Y
Adjusted EBITDA · fiscal year 26 Non-GAAP Raised $1.14B
Aug 10, 2026 $1.12B – $1.14B changed to Aug 11, 2026 $1.14B
Adjusted diluted earnings per share · fiscal year 26 Non-GAAP Raised $2.40 – $2.50
May 12, 2026 $2.25 – $2.45 changed to Aug 11, 2026 $2.40 – $2.50
Free cash flow · fiscal year 26 Non-GAAP Maintained $525M – $575M
Aug 10, 2026 $525M – $575M changed to Aug 11, 2026 $525M – $575M
Guided vs delivered · last 1 settled
Revenue fiscal year 2025
guided $13.98B – $14.18B
$14.39B Beat +2.3%

Guidance from company 8-Ks · delivered figures from as-reported statements · no analyst estimates involved.

Technicals

trend & momentum for long-term holders Neutral
1 · 4 · 2
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
−12% Bearish
Price vs 50-day avg
+10% Bullish
RSI (14)
70 Neutral
MACD trend
Positive Bullish
52-week position
19% Neutral
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Bearish · 2 of 6
Trend (MA cross) No cross
50d $20 › 200d $25 — 200d above 50d
Institutional flow Distributing
95 of 468 funds reported for Sep 30 · net -10.5M sh shares · +9 new
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
5.04% of float · ▲ +0.8% MoM · 6.8 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
468 holders — mid 2-yr range
Price context
position in its 52-week range
Range low $18 Now $22 · 19% Range high $38
vs 200-day avg -12% vs 50-day avg +10%

Illustrative technical + ownership context — a signal mix, not investment advice.

Key metrics

the company's own KPIs, from written earnings releases and filings
Metric Latest Period YoY
Adjusted Diluted Earnings Per Share non-GAAP $0.67 Aug 10, 2026 —
Adjusted EBITDA non-GAAP $290M Aug 10, 2026 —
Adjusted EBITDA Margin non-GAAP 8.3% Aug 10, 2026 —
Backlog $48.2B Aug 10, 2026 —
Free Cash Flow non-GAAP $135M Aug 10, 2026 —
GAAP → non-GAAP reconciliation
GAAP Net cash provided by operating activities 146M
-11M Purchases of property and equipment
= Free Cash Flow 135M
Funded backlog $6.2B Aug 10, 2026 —
Net bookings $17.7B Aug 10, 2026 —

Figures exactly as the company stated them in writing · click a metric with a to chart its history · period links open the stating document · "filing" marks figures stated in the 10-K/10-Q · YoY needs an exactly comparable prior-year period

Versus peers

Specialty Business Services — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
AMTM
Amentum Holdings, Inc.
this stock
$5.32B -25.0% +71.6% 26.2 5.0%
CTAS
Cintas Corp
 $88.98B +19.2% +6.4% 44.2 3.2%
RELX
Relx PLC
 $70.37B +0.3% — — 0.4%
TRI
Thomson Reuters Corp
 $53.36B -6.6% — — 3.0%
CPRT
Copart Inc
 $26.86B -25.9% +24.7% 18.7 3.1%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Reducing
Holders
466
% held
86.5%
Reported
95 of 468
Top holder
AMERICAN SECURITIES LLC
Held Float
View
Held by Funds
Fund positions
320
View
Short & Settlement
Short Interest Rising
Shares short
12.3M
Days to cover
6.8d
Change
+100.4K sh
View
Short Volume
Short vol %
63%
As of
Oct 23, 2026
Short Total
View
Fails to Deliver
FTD shares
37
Value
$729
As of
Sep 23, 2026
View
Off-Exchange
Off-exchange %
30.9%
Week of
Sep 14, 2026
Off-exch Lit
View
Smart Money
Congressional Trades Sell
Member
William R. Keating
Amount
$1.0K–$15.0K
Traded
Oct 31, 2024
View
Financials
Financials
Revenue (FY)
$14.4B
Net income (FY)
$66.0M
EPS diluted
$0.27
View
Filings
SEC Filings
Latest
8-K
Filed
Oct 2, 2026
This year
9

Amentum Holdings, Inc. amended Steven J. Demetriou’s employment agreement effective September 28, 2026: base salary $625,000, annual bonus $625,000, and annual LTI award $1,250,000. Severance was removed, except for a pro-rata bonus and full accelerated vesting of outstanding LTI awards.

View
Earnings & Events
Webcasts
Last webcast
Aug 11, 2026
View
Investor Relations
Latest news
Amentum Opens Global Nuclear Head…
Published
Oct 8, 2026
View

Performance

5D 20D 120D MTD YTD
AMTM +11.5% +13.4% -15.5% +20.1% -25.0%
SPY -0.4% -1.5% +5.8% -0.4% +11.5%
vs SPY +11.9% +14.9% -21.4% +20.4% -36.4%
Key facts CIK 2011286 CUSIP 023939101 13F (30d) 83 filings 83 filers Visit website Investor relations