“The change in the effective tax rate was primarily due to the recognition of a valuation allowance against a disallowed interest expense deferred tax asset relative to income before income taxes in the respective period.”10-Q · Aug 11, 2026 ↗
Amentum Holdings, Inc.
AMTM
Market read
Amentum Holdings, Inc.'s current read is isolated; its market group is not confirming.
The latest filing is mixed. 0 of 9 group members are active now; 0 filing-linked outsiders are moving with the group, and 0 of 19 directly disclosed connections are confirming.
- Operating margin improved 1.2 percentage points.
- Revenue decreased 0.4% versus the comparable filing period.
- Lower term-loan principal and more favorable rates reduced interest expense during the nine months.
- The effective tax-rate change primarily reflected recognition of a valuation allowance against a disallowed-interest deferred-tax asset.
Invalidation: The isolated read changes if AMTM's group or a disclosed connection begins moving with it.
Research brief
The story so far
The latest filing is mixed. 0 of 9 group members are active now; 0 filing-linked outsiders are moving with the group, and 0 of 19 directly disclosed connections are confirming.
- Operating margin improved 1.2 percentage points.
- Net income increased 1250.0% versus the comparable filing period.
- Revenue decreased 0.4% versus the comparable filing period.
- Lower term-loan principal and more favorable rates reduced interest expense during the nine months.
- The effective tax-rate change primarily reflected recognition of a valuation allowance against a disallowed-interest deferred-tax asset.
Company research
Understand the business, not just the ticker
Use the company’s filings to identify the few operating, demand, cost, capital and regulatory variables that determine its earnings power.
- Which operating variable is changing?
- Is that change durable, cyclical or one-off?
- What evidence would disprove the current interpretation?
- Latest annual revenue changed +71.6% year over year.
- Net margin changed +1.4 percentage points in the latest annual period.
- Operating cash flow covered net income at 8.23x in the latest annual period.
- Credit and interest rates has repeated adverse evidence across 5 filings.
- Demand and volume has repeated adverse evidence across 5 filings.
No credible peer-relative valuation comparison is available yet.
Price as of Sep 11, 2026
19.47Reported annual revenue and per-share history. This is accounting history, not a forecast.
What management says matters
Persistent and emerging business drivers
“As of July 3, 2026, the Company had total backlog of $48.2 billion, compared with $44.6 billion as of June 27, 2025, an increase of $3.6 billion primarily due to new contract wins partially offset by revenue recognized on current contracts.”10-Q · Aug 11, 2026 ↗
“nge in the effective tax rate was primarily due to the partial release of a valuation allowance against a deferred tax asset related to disallowed interest expense during the year ended September 27, 2024 and the impact of goodwill impairment charges recogniz…”10-K · Nov 25, 2025 ↗
Valuation discipline
Peer-relative valuation withheld
Jodie found no industry-matched filing peers suitable for a valuation comparison. It will not substitute broader financial-sector names.
Mechanical 2.0-year scenarios are available as editable assumptions, not consensus.
Price action
How the market is pricing the story
Jodie does not have enough daily observations to draw a useful short-term chart for this asset. The latest quoted price was checked 11 Sept, 15:55 GMT-4; this is a coverage limitation, not a flat-price conclusion.
Developments
No sourced recent-development timeline yet
Jodie has not returned a relevant primary source or news item for AMTM. This is an evidence-coverage gap, not a conclusion that nothing material happened.
Business and financial condition
Reported financial figures are not available yet
Jodie has not returned structured SEC XBRL fundamentals for this asset. This is a coverage limitation, not an assessment of the business or its financial health.
Latest filing assessment · baseline
The latest filing presents a mixed picture
10-Q filed 2026-05-12 against the comparable filing from 2025-05-07.
What improved
- Operating margin improved 1.2 percentage points.
- Net income increased 1250.0% versus the comparable filing period.
What weakened
- Revenue decreased 0.4% versus the comparable filing period.
Filing receipts
“As of April 3, 2026, the Company had total backlog of $47.8 billion, compared with $44.8 billion as of March 28, 2025, an increase of $3.0 billion primarily due to new contract wins partially offset by revenue recognized on current contracts.”
“The change in the effective tax rate was primarily due to the recognition of a valuation allowance against a disallowed interest expense deferred tax asset relative to income before income taxes in the respective period.”
“Interest expense and other, net — The decrease in interest expense and other, net was primarily due to the reduction to our term loan principal balance as compared to the three months ended March 28, 2025.”
Retrospective baseline calibration. It was generated after the filing date and is not part of Jodie's live track record.
Business ecosystem
The relationships behind AMTM
Customers, suppliers, partners and competitors named in company filings—not inferred from headlines.
Depends on
LMTLockheed Martin CorporationcustomerAug 6, 2025 ▾
“On June 26, 2025, we completed the sale of a hardware and product business, Rapid Solutions, to Lockheed Martin Corporation for a purchase price of $360 million in cash.”
AMZNAmazon.com, Inc.distributorNov 25, 2025 ▾
“Prior to the spin-off, CMS reorganized under a newly formed company named Amazon Holdco Inc.”
Depended on by
JJacobs Solutions Inc.investeeMay 5, 2026 ▾
“The changes in income taxes for the periods presented were due mainly to tax impacts associated with the PA Consulting Transaction and our former investment in Amentum Stock.”
Filing peers
Companies whose filings use similar operating language.
Open the three relationships above to see Jodie’s filing proof. Pro unlocks 16 more links, every receipt, and alerts when connected names begin moving. Unlock the full network →
What is moving around it
Live connections
AMTM is currently a Follower in the organic co-movement group Diversified Service Stocks. This group is discovered from market behaviour rather than assigned from an industry taxonomy. 3 filing-linked names are in the relationship map; none is currently confirmed as moving with the group.
Context history
Theme membership history
No durable theme membership has been observed for this name yet.