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Amentum Holdings Inc. (AMTM) earnings date & stock reaction

Amentum Holdings Inc. · Consumer Discretionary

Amentum Holdings Inc. earnings date & time

Next earningsMon, December 14 around 4:00 PM ET, after the closescheduled

Schedule

Korea time (KST)
Tue, December 15
Reporting pattern
8 of last 8 after close
Typical move
±8.4% · 8-report avg

What the market expects

Consensus EPS

$0.66Coming in above this counts as a beat

Year-ago quarter
$0.63→+4.8%
Full earnings calendarFrom an earnings calendar

Price after the latest report

Reported August 10, 2026how the stock moved around it
Next-day move
-8.2%
After 5 days
-16.4%
Price around earnings

Amentum Holdings Inc. (AMTM) rose the day after earnings in 4 of its last 8 reports (50%), moving ±8.4% on average. It has fallen despite beating the consensus estimate 4 times.

Up next day
4/8
50%
Fell despite growth
3/8
Good earnings ignored
Price when beating
-0.3%
avg over 8 beats
Price when missing
—
never missed
Avg earnings move
±8.4%
typical swing on earnings
Biggest single move
+18.3%
'25.11 · largest reaction
🔑What actually moves this stock?

Even when EPS beat expectations, the stock fell 4 of the last 8 times. The number alone doesn't move it.

What really matters here
Whether existing demand grew, plus outlook
In finance terms: Comps/demand · guidance
Growth · revenue (YoY by quarter, latest right)
+70%
25-05(Mar qtr)
+66%
25-08(Jun qtr)
+77%
25-11(Oct qtr)
-5%
26-02(Jan qtr)
+0%
26-05(Apr qtr)
-2%
26-08(Jul qtr)
Slowing · Growth slowed from +70% to -2%. It can fall even on a beat if it continues.
What to watch next report

When results drop, skip the EPS number. Check if the growth above holds or accelerates, and whether guidance beats expectations.

The real bar for this stock

Beating estimates isn't enough. Here's where the real surprise started.

Beat consensus 8 of 8 times. Beating is the default here
Median beat +9.7%. 4 of those beats still fell the next day.
Bigger beats didn't mean bigger gains
Surprise size and price moved separately here. Expectations, not beats, drive this stock.

How this stock reacts to earnings

Traits seen across its recent earnings reactions

Beating estimates doesn't always lift it
Up the next day 4 of 8 beats (50%)
Big earnings-day moves tend to fade within days
Reversed the day-one move · 62% of last 8
vs Consumer Discretionary sector avg (218 peers)
This
-0.3%
Sector
+0.7%
Avg next-day reaction

Earnings number vs guidance: which drives it?

How often the beat/miss matched the actual price move

The number and guidance move the price about equally
Moved opposite to results 4 of last 8 times (50%)
4xBeat but fell
Even a beat sells off if guidance disappoints
0xMissed but rose
Even a miss rebounds if guidance reassures
Fell despite growth3/8

4/8 beats fell next day · watches Comps/demand · guidance

Next-day reaction
  • Jul 2026 report-8.2%
  • Apr 2026 report+1.6%
  • Jan 2026 report-12.4%
  • Oct 2025 report+18.3%
  • Jun 2025 report+1.7%
  • Mar 2025 report-4.5%

Earnings timeline · bars = next-day move, ▲▼ = beat/miss

May–Jul 2026 results
Reported 2026-08-10
Next-day move
-8.2%
After 5 days -16.4%
EPS consensus $0.61 → $0.67 ▲ +9.7% beatRev $3.6B → $3.5B -2% YoY
Beat by +9.7% but stock -8.2%
Price around earnings

Earnings trend · last 12 quarters

EPS$0.67YoY +20%
'24.12'26.8
Revenue$3.5BYoY -2%
'24.12'26.8

Earnings history and price reaction

Amentum Holdings Inc. across its last 8 earnings reports: EPS versus consensus, the move on the earnings day, and the cumulative move five trading days later.
Quarter endedReported (ET)vs market expectation (consensus)Earnings dayAfter 5 days
7/20262026-08-10+9.7%-8.2%-16.4%
4/20262026-05-11+6.8%+1.6%-2.7%
1/20262026-02-09+4.4%-12.4%-17.9%
10/20252025-11-24+6.5%+18.3%+13.2%
6/20252025-08-05+5.1%+1.7%+1.3%
3/20252025-05-06+12.4%-4.5%-4.3%

8 reports, quarters ending 9/2024 to 7/2026. The earnings-day move is the first trading day that reflects the report; the five-day figure is the cumulative move from that point.

Frequently asked questions

When is the next Amentum Holdings Inc. earnings date?

The next Amentum Holdings Inc. (AMTM) earnings report is expected Mon, December 14 around 4:00 PM ET, after the close. It comes from an earnings calendar and may not be a company-confirmed date; it updates automatically if it changes.

What is the consensus EPS forecast for Amentum Holdings Inc.'s next earnings?

Analysts expect EPS of about $0.66 for Amentum Holdings Inc. (AMTM). Coming in above that counts as a beat, below it a miss — though a beat does not guarantee the stock rises.

Does Amentum Holdings Inc. (AMTM) stock usually go up after earnings?

Over the last 8 earnings reports, the stock rose on 4 of them (50%). The average move on earnings day was ±8.4%.

Does Amentum Holdings Inc. react more to the earnings numbers or to guidance?

In 4 of the last 8 reports (50%), the stock moved the opposite way from whether it beat or missed the forecast. A high share means guidance and expectations drive the move more than the reported numbers.

Can Amentum Holdings Inc. stock fall even when earnings are good?

Yes. In 3 of the last 8 reports, Amentum Holdings Inc. fell on the earnings day despite growing EPS. Expectations already priced in, or guidance, can matter more than the reported numbers.

Does Amentum Holdings Inc. stock keep moving after the earnings day?

Over the last 8 reports, the move continued in the same direction for the following five trading days 38% of the time. This tendency is known as post-earnings announcement drift.