Leidos LDOS
Leidos is the 429th largest S&P 500 company by market cap, worth $17.1 billion. 10 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 11 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 11.8% of the company.
- CEO
- Thomas Arthur Bell
- Sector
- Industrials
- Sub-industry
- Diversified Support Services
- Headquarters
- Reston, Virginia
- Founded
- 1969
- More
- Wikipedia
- Market cap
- $17.1B
- 429th largest, 23 Oct 2026 close
- Price to sales
- 1.0
- Market cap over revenue
- Market cap per employee
- $363K
- Market cap over employees
- Connections
- 1
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of Leidos. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
1 person here also holds roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (10) | |
| Thomas Arthur BellCEO | |
| Gregory R. DahlbergDirector | |
| David G. FubiniDirector | |
| Noel B. GeerDirector | |
| Tina W. JonasDirector | |
| Harry M. Jansen Kraemer Jr.Director | |
| Gary Stephen MayDirector | |
| Nancy A. NortonDirectorAlso at FedEx | |
| Patrick M. ShanahanDirector | |
| Robert S. ShapardDirector | |
| Officers (11) | |
| Christopher R. CageChief Financial OfficerLast filed 6 Aug 2026 | |
| Daniel J. AntalEVP, General CounselLast filed 2 Jul 2026 | |
| Daniel A. AtkinsonSVP, ControllerLast filed 10 Mar 2026 | |
| James F. CarliniEVP, Chief Technology OfficerLast filed 19 Nov 2025 | |
| Leslie K. FautschChief Human Resources OfficerLast filed 10 Mar 2026 | |
| Cindy GruensfelderSector PresidentLast filed 10 Mar 2026 | |
| Stephen Edward HullSector PresidentLast filed 10 Mar 2026 | |
| Jason M. O'ConnorSector PresidentLast filed 10 Mar 2026 | |
| Elizabeth A. PorterSector PresidentLast filed 6 Aug 2026 | |
| Mary Vicki SchmanskeSector PresidentLast filed 3 Dec 2025 | |
| Roy E. StevensSector PresidentLast filed 6 Aug 2026 | |
Companies that share people with Leidos
Each person's title here, then at the other company.
- FedEx FDX
- Nancy A. Norton: Director here, Director there
Leidos's market cap since December 2008
Marked weeks are changes in the share count, such as a merger, not market moves.
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $17.1B |
| 26 Dec 2025 | $23.8B |
| 27 Dec 2024 | $19.3B |
| 29 Dec 2023 | $14.9B |
| 30 Dec 2022 | $14.4B |
| 31 Dec 2021 | $12.5B |
| 25 Dec 2020 | $14.8B |
| 27 Dec 2019 | $13.9B |
| 28 Dec 2018 | $7.8B |
| 29 Dec 2017 | $9.8B |
| 30 Dec 2016 | $7.7B |
| 25 Dec 2015 | $4.1B |
| 26 Dec 2014 | $3.3B |
| 27 Dec 2013 | $4.0B |
| 28 Dec 2012 | $3.8B |
| 30 Dec 2011 | $4.2B |
| 31 Dec 2010 | $5.9B |
| 25 Dec 2009 | $7.5B |
| 26 Dec 2008 | $7.5B |
Download Leidos's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 2 Jan 2026
- Employees
- 47,000
As of January 2, 2026, we employed approximately 47,000 full and part-time employees of whom approximately 41,900 are located in the United States and the remainder of which are located in approximately 45 countries worldwide.
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $3.2 million of stock in 6 sales and made no open-market purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 1 Sep 2026Sale | Gary Stephen MayDirector | $141K |
| 11 Aug 2026Sale | Noel B. GeerDirector | $1.4M |
| 7 May 2026Sale | Gary Stephen MayDirector | $197K |
| 7 Apr 2026Sale | Elizabeth A. PorterSector President | $318K |
| 20 Jan 2026Sale | Elizabeth A. PorterSector President | $577K |
| 19 Dec 2025Sale | Elizabeth A. PorterSector President | $543K |
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
4 people disclosed 2 purchases and 13 sales of Leidos stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 3 Jun 2026 | Donald J TrumpPresident 路 Sold | $1K to $15K |
| 18 May 2026 | Donald J TrumpPresident 路 Sold | $1K to $15K |
| 27 Apr 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 17 Apr 2026 | Donald J TrumpPresident 路 Bought | $1K to $15K |
| 10 Apr 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 27 Mar 2026 | Alan ArmstrongSenate, R-OK 路 Sold | $15K to $50K |
| 12 Jan 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 7 Oct 2025 | Keith Alan SelfHouse, R-TX 路 Sold | $1K to $15K |
| 13 May 2025 | Gerald E. ConnollyHouse, D-VA 路 Sold | $1K to $15K |
| 5 Feb 2025 | Gerald E. ConnollyHouse, D-VA 路 Sold | $1K to $15K |
Showing 10 of 15 trades
WARN layoff notices
Notices filed under Leidos's own name. Subsidiaries that file under their own names are not included.
Notices from 26 Oct 2023 to 26 Oct 2026
Leidos filed 10 notices covering 625 workers since October 2023.
| Notice | Place | Workers |
|---|---|---|
| 28 Sep 2026 | Ashburn, VA | 84 |
| 6 Apr 2026 | Windsor Mill, MD | 156 |
| 2 Apr 2026 | Fort Meade, MD | 71 |
| 21 Jan 2026 | Ashburn, VA | 93 |
| 11 Jun 2025 | Frederick, MD | 7 |
| 30 Apr 2025 | Gaithersburg, MD | 19 |
| 2 Apr 2025 | Frederick, MD | 16 |
| 31 Mar 2025 | Alexandria, VA | 29 |
| 4 Mar 2025 | Baltimore, MD | 20 |
| 1 Nov 2023 | Lord Baltimore Drive Baltimore, MD | 130 |