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AMTM · Amentum Holdings, Inc.

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$19.47 -0.67 (-3.32%) At close · Sep 9
S&P 600 member Russell 1000 member Rebalance outlook locked
Market Cap
$4.85B
Shares
244.51M

Price & Indicators

Indicators
Price
Panels
Event markers
20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$20.14 Open$20.10 Day$19.68–20.25 52W close$19.90–37.53 Avg vol 30d2.3M Short int10.7M · 4.4% float · 4.2d Short vol59% Last earningsAug 11, 2026 DataSep 2024–Sep 2026 Filing10-Q · Aug 11

Up next

Next earnings call
Nov 10, 2026 Est · unconfirmed · in 9 wks
Latest filing: 10-Q
filed 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)
24.3
Trailing earnings · reciprocal yield 4.1%
FCF yield
9.8%
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)
-16.4%
Trailing year
Short interest
4.4%
Latest settlement · 4.2 days to cover
View all 115 metrics

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
Sell
SellHoldBuy
Technical Strong Sell Momentum Very Weak Sentiment Neutral Fundamentals Excellent Quant / Vol Very High
Market backdrop VIX 15.7 · calm Equity put/call 0.48
Technical
price trend
Strong Sell
50 / 200-day cross No cross
Price vs 200-day avg −24%
below
Price vs 50-day avg −6%
below
RSI (14) 42
neutral
MACD trend Negative
52-week position 1%
near low
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Very Weak
1-month return −18%
trailing
6-month return −27%
trailing
YTD return −31%
this year
Relative strength −41%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $21 › 200d $26 — 200d above 50d
Institutional flow Distributing
-5% holders QoQ · +60 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
4.36% of float · ▼ -14.0% MoM · 4.2 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
466 holders — mid 2-yr range
Squeeze score 46
elevated · 0–100
Fundamentals
Excellent
Revenue growth +72%
Y/Y
EPS growth +130%
Y/Y
Free cash flow $516.0M
Valuation P/E 23.9
below peers
Balance sheet $3.5B
net debt
Quant / Vol
risk profile
Very High
Volatility 47%
annualized · 1-yr
Max drawdown −47%
past year
ATR 3.7%
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 Initiated $13.8B – $13.95B
prior FY $14.39B midpoint −3.6% Y/Y
Adjusted EBITDA · fiscal year 26 Non-GAAP Initiated $1.14B
Free cash flow · fiscal year 26 Initiated $525M – $575M
Adjusted diluted earnings per share · fiscal year 26 Non-GAAP Initiated $2.40 – $2.50

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

Technicals

trend & momentum for long-term holders Strong Sell
4 · 3 · 0
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
−24% Bearish
Price vs 50-day avg
−6% Bearish
RSI (14)
42 Neutral
MACD trend
Negative Bearish
52-week position
1% Bearish
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50d $21 › 200d $26 — 200d above 50d
Institutional flow Distributing
-5% holders QoQ · +60 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
4.36% of float · ▼ -14.0% MoM · 4.2 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
466 holders — mid 2-yr range
Price context
position in its 52-week range
Range low $20 Now $20 · 1% Range high $38
vs 200-day avg -24% vs 50-day avg -6%

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

Key metrics

Earlier KPI extraction records exist, but do not meet the current evidence-completeness requirements. No current verified series is available. Earlier figures remain withheld until revalidated; this is not evidence that the company reports no KPIs.

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
$4.85B -30.6% +71.6% 23.9 4.4%
CTAS
Cintas Corp
 $80.23B +6.6% +6.4% 40.8 2.6%
RELX
Relx PLC
 $59.80B -14.2% — — 0.3%
TRI
Thomson Reuters Corp /Can/
 $42.01B -25.1% — — 2.9%
CPRT
Copart Inc
 $30.18B -16.7% +24.7% 20.4 4.9%

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 Accumulating
Holders
466
% held
90.8%
Net QoQ
+6.0M sh
Top holder
AMERICAN SECURITIES LLC
Held Float
View
Held by Funds
Fund positions
323
View
Short & Settlement
Short Interest Falling
Shares short
10.7M
Days to cover
4.2d
Change
-1.7M sh
View
Short Volume
Short vol %
59%
As of
Sep 9, 2026
Short Total
View
Fails to Deliver
FTD shares
166
Value
$3.7K
As of
Aug 13, 2026
View
Off-Exchange
Off-exchange %
41.2%
Week of
Aug 3, 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
10-Q
Filed
Aug 11, 2026
This year
8
View
Earnings & Events
Earnings Calls
Last call
Aug 11, 2026
View
Investor Relations
Latest news
Amentum Selected for Projects to…
Published
Sep 1, 2026
View

Performance

5D 20D 120D MTD YTD
AMTM +0.8% -17.6% -27.2% +0.8% -30.6%
SPY -0.1% -0.9% +14.2% -0.1% +12.3%
vs SPY +0.9% -16.7% -41.4% +0.9% -42.9%
Key facts CIK 2011286 CUSIP 023939101 13F (30d) 223 filings 222 filers Visit website Investor relations