Amentum Holdings

AMTMNYSEUSD

THESIS ALERT

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$22.73
−$0.40 (−1.73%)Today 1M +19.91%
After hours$22.61−0.55%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$23.13
Prior regular-session close from the quote source.
$22.42–$23.15
Regular-session low and high so far today.
1.4M
Regular-session shares traded · Nov 11, 4:00 PM ET.
Nov 23 projected
Projected for 2026-11-23 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
$17.72–$38.11
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own AMTM if its cleared engineering scale turns mission-critical government demand into cash and deleveraging, not just low-margin revenue.

AMTM price history

Latest price$22.73Today−$0.40 (-1.73%)
AMTM +18.32%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

5 MATERIAL PROPOSITIONS
  • Mission-critical government engineering and operations work remains outsourced to qualified large contractors, so Amentum’s scale and incumbency continue feeding awards rather than being displaced by insourcing or budget reprioritization.HoldingMateriality: High

    GAAP annual revenue was $14.393 billion in FY2025, versus $8.388 billion in FY2024 and $7.865 billion in FY2023, showing access to large program revenue. If this holds, Amentum has a durable demand base; if it breaks, revenue can fall before management has time to resize the cost structure.

    Watch: U.S. defense, energy, intelligence, or civil agencies insource engineering and operations work that had been performed by contractors.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual revenue was $14.393 billion in FY2025, versus $8.388 billion in FY2024 and $7.865 billion in FY2023, showing access.

    Open source ↗
  • Amentum’s roughly 50,000-person technical workforce is a capacity moat in projects requiring cleared, deployable engineering talent; the moat holds only if retention and recruiting keep pace with award demand.StrengtheningMateriality: High

    The profile reports approximately 50,000 employees as of 2025-11-25. The workforce is the production asset; if Amentum cannot hire and retain specialized staff, contract wins will not convert into profitable delivery.

    Watch: Cleared engineers and program managers leave for Leidos, SAIC, Booz Allen, KBR, Parsons, or government agencies.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    The profile reports approximately 50,000 employees as of 2025-11-25.

    Open source ↗
  • Amentum’s technical qualifications and execution record must keep enough work out of pure lowest-price staffing competition; otherwise scale will add revenue without adequate economic spread.StrengtheningMateriality: Medium

    GAAP annual gross profit was $1.513 billion in FY2025, versus $798 million in FY2024 and $782 million in FY2023. This determines whether revenue growth creates owner value or merely passes through labor and subcontractor costs at thin spreads.

    Watch: Customer procurement shifts toward low-price technically acceptable bidding on work Amentum previously won on qualification and execution.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual gross profit was $1.513 billion in FY2025, versus $798 million in FY2024 and $782 million in FY2023.

    Open source ↗
  • The enlarged platform creates value only if integration, overhead control, and program execution turn scale into operating leverage instead of transition costs and fixed-price overruns.HoldingMateriality: Medium

    GAAP annual operating income rose to $480 million in FY2025 from $291 million in FY2024 and $57 million in FY2023. Amentum can be a large contractor and still be a poor equity if incremental scale is consumed by integration expense, overhead, or program losses.

    Watch: Post-combination systems, culture, or contract-administration problems disrupt program delivery.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating income rose to $480 million in FY2025 from $291 million in FY2024 and $57 million in FY2023.

    Open source ↗
  • Because margins are thin and the balance sheet is sizable, Amentum must convert contract earnings into operating cash flow that reduces financial risk rather than relying on accounting profit alone.StrengtheningMateriality: Medium

    GAAP annual operating cash flow was $543 million in FY2025, versus $47 million in FY2024 and $67 million in FY2023. Cash conversion determines whether equity value accrues to shareholders or is absorbed by working capital, interest burden, refinancing risk, and balance-sheet repair.

    Watch: Government payment delays, continuing resolutions, or contract transitions create working-capital absorption.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating cash flow was $543 million in FY2025, versus $47 million in FY2024 and $67 million in FY2023.

    Open source ↗
Full investment case & evidence

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Original research

Mission-critical government engineering and operations work remains outsourced to qualified large contractors, so Amentum’s scale and incumbency continue feeding awards rather than being displaced by insourcing or budget reprioritization. If this holds, Amentum has a durable demand base; if it breaks, revenue can fall before management has time to resize the cost structure.

Amentum’s roughly 50,000-person technical workforce is a capacity moat in projects requiring cleared, deployable engineering talent; the moat holds only if retention and recruiting keep pace with award demand. The workforce is the production asset; if Amentum cannot hire and retain specialized staff, contract wins will not convert into profitable delivery.

Amentum’s technical qualifications and execution record must keep enough work out of pure lowest-price staffing competition; otherwise scale will add revenue without adequate economic spread. This determines whether revenue growth creates owner value or merely passes through labor and subcontractor costs at thin spreads.

The enlarged platform creates value only if integration, overhead control, and program execution turn scale into operating leverage instead of transition costs and fixed-price overruns. Amentum can be a large contractor and still be a poor equity if incremental scale is consumed by integration expense, overhead, or program losses.

Because margins are thin and the balance sheet is sizable, Amentum must convert contract earnings into operating cash flow that reduces financial risk rather than relying on accounting profit alone. Cash conversion determines whether equity value accrues to shareholders or is absorbed by working capital, interest burden, refinancing risk, and balance-sheet repair.

All standing thesis claims
Original report summary

its cleared engineering scale turns mission-critical government demand into cash and deleveraging, not just low-margin revenue.

Evidence assessed Nov 10, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Amentum Holdings

Where the evidence on Amentum Holdings stands: Holding on the latest evidence (Nov 10, 2026). Of its 5 thesis points, 3 strengthening and 2 holding.

Bull case: what the evidence supports

  • Mission-critical government engineering and operations work remains outsourced to qualified large contractors, so Amentum’s scale and incumbency continue feeding awards rather than being displaced by insourcing or budget reprioritization.

    sec.gov ↗

  • Amentum’s roughly 50,000-person technical workforce is a capacity moat in projects requiring cleared, deployable engineering talent; the moat holds only if retention and recruiting keep pace with award demand.

    sec.gov ↗

  • Amentum’s technical qualifications and execution record must keep enough work out of pure lowest-price staffing competition; otherwise scale will add revenue without adequate economic spread.

    sec.gov ↗

  • The enlarged platform creates value only if integration, overhead control, and program execution turn scale into operating leverage instead of transition costs and fixed-price overruns.

    sec.gov ↗

  • Because margins are thin and the balance sheet is sizable, Amentum must convert contract earnings into operating cash flow that reduces financial risk rather than relying on accounting profit alone.

    sec.gov ↗

Bear case: what would count against it

  • U.S. defense, energy, intelligence, or civil agencies insource engineering and operations work that had been performed by contractors.

    sec.gov ↗

  • Cleared engineers and program managers leave for Leidos, SAIC, Booz Allen, KBR, Parsons, or government agencies.

    sec.gov ↗

  • Customer procurement shifts toward low-price technically acceptable bidding on work Amentum previously won on qualification and execution.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Amentum Holdings

Loading the break-condition record for Amentum Holdings.

How the Thesis-Break Engine works →Historical outcomes are measured against the market after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Director or principal officer change.

    Amentum Holdings filed an SEC 8-K on 2026-10-02: Director or principal officer change. It is a dated development that tests the current thesis.

  2. Mixed
    Reported results of operations (earnings release).

    Amentum Holdings filed an SEC 8-K on 2026-08-10: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  3. Mixed
    Reported results of operations (earnings release).

    Amentum Holdings filed an SEC 8-K on 2026-05-11: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • U.S. defense, energy, intelligence, or civil agencies insource engineering and operations work that had been performed by contractors.
  • Cleared engineers and program managers leave for Leidos, SAIC, Booz Allen, KBR, Parsons, or government agencies.
  • Customer procurement shifts toward low-price technically acceptable bidding on work Amentum previously won on qualification and execution.
  • Post-combination systems, culture, or contract-administration problems disrupt program delivery.
  • Government payment delays, continuing resolutions, or contract transitions create working-capital absorption.

AMTM news

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Financial statements

AMTM income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

AMTM: quick answers

When does Amentum Holdings (AMTM) report earnings next?
Amentum Holdings's next results are projected for November 23, 2026, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on August 10, 2026. Earnings calendar
What is AMTM's short interest?
As of October 30, 2026, 14.0M AMTM shares were sold short, 5.75% of its shares outstanding, up 10.9% from the count before. At the stock's average daily volume that is 7.2 days to cover. FINRA publishes the count twice a month. AMTM short interest history
Have members of Congress traded AMTM?
Reports made public in the last 90 days disclose 2 trades in AMTM by 1 filer: 0 purchases and 2 sales. They are filed under the STOCK Act by members of Congress, the President and senior officials. Every disclosed AMTM trade
Which well-known investors own AMTM?
2 of the 37 well-known funds tracked here reported AMTM shares in their latest 13F filings. By share of the fund's portfolio: Soros Fund Management (George Soros), 0.0%; Bridgewater Associates (Ray Dalio), 0.0%. Fund portfolios

AMTM in well-known investors’ portfolios

2 of 37 funds reported AMTM shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.

FundOf its portfolioValueChangeQuarter
George SorosSoros Fund Management0.03%$2.4M+9.9%Q2 2026
Ray DalioBridgewater Associates0.00%$976K+176.9%Q2 2026

Every fund’s portfolio

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