AMTM (Amentum Holdings) Insider Ownership: 0.93 % (As of Jul. 14, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

AMTM Amentum Holdings Inc AMTM
16 GF Score
Price $20.49
! 3 Warning Signs
View Full Analysis

What is Amentum Holdings Insider Ownership?

Amentum Holdings AMTM +0.29% 16 Insider Ownership is 0.93 % as of Jul. 14, 2026. GuruFocus rates AMTM with a GF Score™ of 16/100. The stock has 3 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Amentum Holdings's insider ownership is 0.93%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Amentum Holdings's Institutional Ownership is 92.82%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Amentum Holdings's Float Percentage Of Total Shares Outstanding is 62.91%.


Amentum Holdings Insider Ownership Historical Data

* Premium members only.

The historical data trend for Amentum Holdings's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Amentum Holdings Insider Ownership Chart

Amentum Holdings Historical Data

The historical data trend for Amentum Holdings can be seen below:

2025-06-30 2025-07-31 2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30
Insider Ownership 0.49 0.49 0.49 0.49 0.49 0.75 0.87 0.92 0.93 0.93
AMTM
16GF Score
Amentum Holdings Inc AMTM
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Amentum Holdings Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 0.93 % mean?
Amentum Holdings (AMTM) has a Insider Ownership of 0.93 % as of Jul. 14, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Amentum Holdings and its competitors.
Is Amentum Holdings' Insider Ownership too high?
Amentum Holdings' current Insider Ownership is 0.93 %. Overall, Amentum Holdings has a GF Score™ of 16/100, reflecting its overall financial health beyond just this single metric.
How does Amentum Holdings' Insider Ownership compare to DLB and UNF?
Amentum Holdings' Insider Ownership of 0.93 % can be compared against companies in the Business Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Business Services company?
A good Insider Ownership depends on the Business Services industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Amentum Holdings and its competitors. Amentum Holdings's current Insider Ownership is 0.93 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amentum Holdings stock overvalued right now?
Amentum Holdings (AMTM) has a current Insider Ownership of 0.93 %. The current Insider Ownership is 0.93 %. Amentum Holdings' overall GF Score™ is 16/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Amentum Holdings (AMTM), the current Insider Ownership is 0.93 % as of Jul. 14, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Amentum Holdings Business Description

Other Exchanges 1AMTM:ItalyZI7:Germany
Address 4800 Westfields Boulevard, Suite No. 400, Chantilly, VA, USA, 20151
Amentum Holdings Inc is an engineering and technology solutions provider serving U.S. and allied government agencies, as well as international and commercial customers across energy and environmental, intelligence, space, defense, civilian and commercial markets. It provides environmental remediation, intelligence and counter-threat solutions, data analytics, engineering and integration, testing, training and citizen services. The company operates through two segments: Digital Solutions, offering digital and data-driven services, and Global Engineering Solutions, providing environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management. majority of its revenue comes from the Global Engineering Solutions segment and from the United States.
16GF Score

Get the complete analysis for AMTM

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$20.49
Price