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NYSE: AMTM
Amentum Holdings Inc Stock Ownership - Who owns Amentum Holdings?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Amentum Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Travis Barton JohnsonCFO2026-11-065,064$21.25
$107.61kSell
Stephen A. ArnetteCOO2026-11-064,999$21.25
$106.23kSell
Sean Thomas MullenCXO2026-11-062,183$21.25
$46.39kSell
John E. HellerCEO2026-11-0617,868$21.25
$379.70kSell
Jill L. BruningCTO2026-11-061,457$21.25
$30.96kSell
Travis Barton JohnsonChief Financial Officer2026-05-064,097$24.89
$101.97kSell
Stephen A. ArnetteChief Operating Officer2026-05-063,314$24.89
$82.49kSell
Jill L. BruningChief Technology Officer2026-05-062,731$24.89
$67.97kSell
Sean Thomas MullenChief Growth Officer2026-05-062,762$24.89
$68.75kSell
John E. HellerChief Executive Officer2026-05-068,184$24.89
$203.70kSell

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Net Insider Buy/Sell (L12M) Ownership

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AMTM Shareholders

What type of owners hold Amentum Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Alan E. Goldberg18.42%45,026,743$988.34MInsider
Goldberg 2014 LLC18.42%45,026,743$988.34MInsider
Lindsay Goldberg Employee Coinv IV LP18.42%45,026,743$988.34MInsider
Asp Amentum Investco LP17.95%43,893,904$963.47MInsider
Asp Manager Corp17.95%43,893,904$963.47MInsider
Steven J. Demetriou0.35%861,218$18.90MInsider
John C. Vollmer0.18%429,842$9.44MInsider
John E. Heller0.16%397,769$8.73MInsider
Jill L. Bruning0.08%201,765$4.43MInsider
Travis Barton Johnson0.05%125,220$2.75MInsider

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AMTM vs Specialty Business Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMTM0.07%92.12%Net SellingNet Selling
DLB0.05%2.66%Net SellingNet Selling
UNF0.04%99.96%Net SellingNet Selling
AZZ0.08%5.74%Net Selling
FA0.05%86.91%Net SellingNet Selling
View Top Specialty Business Service Stocks

Amentum Holdings Stock Ownership FAQ

Who owns Amentum Holdings?

Amentum Holdings (NYSE: AMTM) is owned by 0.07% institutional shareholders, 92.12% Amentum Holdings insiders, and 7.81% retail investors. Alan E. Goldberg is the largest individual Amentum Holdings shareholder, owning 45.03M shares representing 18.42% of the company. Alan E. Goldberg's Amentum Holdings shares are currently valued at $988.34M.

If you're new to stock investing, here's how to buy Amentum Holdings stock.
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