APA APA
APA is the 418th largest S&P 500 company by market cap, worth $18.2 billion. 11 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 6 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 12.4% of the company.
- CEO
- John J. Christmann
- Sector
- Energy
- Sub-industry
- Oil & Gas Exploration & Production
- Headquarters
- Houston, Texas
- Founded
- 1954
- More
- Wikipedia
- Market cap
- $18.2B
- 418th largest, 23 Oct 2026 close
- Revenue
- -
- Not yet in our data
- Market cap per employee
- $10M
- Market cap over employees
- Connections
- 4
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of APA. 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
4 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (11) | |
| John J. ChristmannCEOLast filed 2 Feb 2026 | |
| Annell R. BayDirector | |
| Matthew Regis BobDirector | |
| Juliet S. EllisDirector | |
| Kenneth M. FisherDirector | |
| Charles W. HooperDirectorAlso at General Dynamics | |
| Chansoo JoungDirector | |
| Lamar McKayDirectorAlso at CRH | |
| Peter A. RagaussDirectorAlso at Williams Companies | |
| David L. StoverDirector | |
| Anya WeavingDirectorAlso at Sempra | |
| Officers (6) | |
| Ben C. RodgersEVP and CFOLast filed 2 Feb 2026 | |
| Tracey K. HendersonExecutive VP ExplorationLast filed 27 May 2026 | |
| Mark D. MaddoxExecutive VP - AdministrationLast filed 22 May 2026 | |
| Robert P. RaypholeVP CAO & ControllerLast filed 3 Mar 2026 | |
| Stephen J. RineyPresidentLast filed 2 Feb 2026 | |
| Kimberly O. WarnicaEVP, CLO & SecretaryLast filed 2 Feb 2026 | |
Companies that share people with APA
Each person's title here, then at the other company.
- CRH CRH
- Lamar McKay: Director here, Director there
- General Dynamics GD
- Charles W. Hooper: Director here, Director there
- Sempra SRE
- Anya Weaving: Director here, Director there
- Williams Companies WMB
- Peter A. Ragauss: Director here, Director there
APA'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 | $18.2B |
| 26 Dec 2025 | $8.6B |
| 27 Dec 2024 | $8.2B |
| 29 Dec 2023 | $11.0B |
| 30 Dec 2022 | $15.0B |
| 31 Dec 2021 | $9.8B |
| 25 Dec 2020 | $5.5B |
| 27 Dec 2019 | $9.8B |
| 28 Dec 2018 | $10.0B |
| 29 Dec 2017 | $16.1B |
| 30 Dec 2016 | $24.1B |
| 25 Dec 2015 | $17.3B |
| 26 Dec 2014 | $24.1B |
| 27 Dec 2013 | $34.6B |
| 28 Dec 2012 | $30.1B |
| 30 Dec 2011 | $34.8B |
| 31 Dec 2010 | $43.5B |
| 25 Dec 2009 | $35.3B |
| 26 Dec 2008 | $23.7B |
Download APA's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 1,791
As of December 31, 2025, APA employed approximately 1,791 full-time equivalent employees:
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 $1.2 million of stock in 2 sales and made no open-market purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 20 May 2026Sale | Mark D. MaddoxExecutive VP - Administration | $392K |
| 18 Mar 2026Sale | Matthew Regis BobDirector | $833K |
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
2 people disclosed 1 purchase and 2 sales of APA stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 9 Jan 2026 | Gilbert CisnerosHouse, D-CA 路 Sold | $1K to $15K |
| 5 Aug 2025 | Gilbert CisnerosHouse, D-CA 路 Bought | $1K to $15K |
| 28 Apr 2025 | Lori Chavez-DeRemerSecretary 路 Sold | $1K to $15K |
Not on file: no WARN layoff notices under its own name since October 2023.