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Equity · Industrials

AMTM

NYSE

Amentum Holdings, Inc.

$19.29 +1.74% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 9, 2026
Price · Chart
63 sessions
$25.0 $17.5 14 Jul 9 Oct

The line runs $20.51 on 14 July through $19.29 on 9 October, on a scale from $17.5 to $25.0. Days the market did not trade hold the previous close, flat.

Market cap $4.7B
P/E (TTM) 23.2
52-week range $18 – $38
Avg volume 83.1K

as of Oct 9, 2026

AMTM insider trades

SEC Form 4 · last 90 days · newest Form 4 filing 14 Aug 2026
Open-market buys 0
Open-market sells 0
Non-trade filings 1

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
14 Aug 2026 Thompson Christopher M.T. Director Gift 4,250

AMTM reported financials

SEC EDGAR XBRL SEC EDGAR

AMTM reported revenue of $14.4B for the fiscal year ended 03 Oct 2025. Net income over the same period was $66.0M.

Figure Reported Period
Revenue $14.4B 03 Oct 2025 fiscal year
Net income $66.0M 03 Oct 2025 fiscal year
Diluted EPS $0.27 03 Oct 2025 fiscal year
Total assets $11.2B 03 Jul 2026 at period end
Total equity $4.7B 03 Jul 2026 at period end

AMTM earnings

SEC EDGAR
Date Period EPS Revenue
03 Jul 2026 Q3 2026 $0.27 $3.49B
03 Apr 2026 Q2 2026 $0.22 $3.48B
02 Jan 2026 Q1 2026 $0.18 $3.24B
03 Oct 2025 FY 2025 $0.27 $14.39B
27 Jun 2025 Q3 2025 $0.04 $3.56B
28 Mar 2025 Q2 2025 $0.02 $3.49B
27 Dec 2024 Q1 2025 $0.05 $3.42B
27 Sep 2024 FY 2024 −$0.90 $8.39B

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

AMTM institutional holders

SEC Form 13F SEC EDGAR

10 of the 45 institutional funds we track reported a AMTM position for the quarter ended 30 Jun 2026 — a combined $100.7M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Millennium Management Added +237.2% shares 2,127,779 $44.0M
Citadel Advisors Added +731.7% shares 670,684 $13.9M
Point72 Asset Management Trimmed −60.1% shares 649,984 $13.4M
AQR Capital Management Held (±25%) +18.5% shares 601,900 $12.4M
Two Sigma Investments Trimmed −68.4% shares 284,268 $5.9M
D. E. Shaw & Co. Added +189.4% shares 191,488 $4.0M
Soros Fund Management Held (±25%) +9.9% shares 118,276 $2.4M
GAMCO Investors Held (±25%) +1.9% shares 97,120 $2.0M
Balyasny Asset Management Added +365.5% shares 85,389 $1.8M
Bridgewater Associates Added +176.9% shares 47,223 $976K

AMTM fails-to-deliver

SEC CNS data SEC

On 11 Sep 2026, 89 shares of AMTM failed to deliver (about $2K).

Settlement date Shares failed Notional % of shares out
11 Sep 2026 89 $2K <0.001%
09 Sep 2026 6 $121 <0.001%
08 Sep 2026 147 $3K <0.001%
01 Sep 2026 398 $8K <0.001%

Congressional trades in AMTM

STOCK Act disclosures House disclosures

The most recent congressional trade disclosed in AMTM is a sale by William R. Keating (house, MA), dated 31 Oct 2024.

Date Member Type Amount
31 Oct 2024 filed 06 Nov 2024 William R. Keating house · Democrat–MA Sale $1K–$15K
30 Sep 2024 filed 15 Oct 2024 Thomas H. Kean, Jr. house · Republican–NJ Exchange $1K–$15K

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 03 Jul 2026
  4. SEC EDGARSEC EDGAR 13F filings
  5. SECSEC fails-to-deliver (CNS) data
  6. House disclosuresU.S. House of Representatives financial disclosures
  7. SEC EDGARValuation computed from SEC EDGAR filings