Sempra SRE
Sempra is the 219th largest S&P 500 company by market cap, worth $55.0 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 13.3% of the company.
- Chair and CEO
- Jeffrey W. Martin
- Sector
- Utilities
- Sub-industry
- Multi-Utilities
- Headquarters
- San Diego, California
- Founded
- 1998
- More
- Wikipedia
- Market cap
- $55.0B
- 219th largest, 23 Oct 2026 close
- Price to sales
- 4.0
- Market cap over revenue
- Market cap per employee
- $3.4M
- Market cap over employees
- Connections
- 4
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of Sempra. 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
3 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (11) | |
| Jeffrey W. MartinChairman, CEO and PresidentLast filed 20 Mar 2026 | |
| Andres ConesaDirector | |
| Pablo FerreroDirector | |
| Jennifer M. KirkDirectorAlso at Republic Services | |
| Richard J. MarkDirector | |
| Michael N. MearsDirector | |
| Kevin C. SagaraDirector | |
| Jack T. TaylorDirector | |
| Cynthia J. WarnerDirectorAlso at Bloom Energy and Chevron | |
| Anya WeavingDirectorAlso at APA | |
| James C. YardleyDirector | |
| Officers (6) | |
| Karen L. SedgwickExecutive VP and CFOLast filed 9 Mar 2026 | |
| Justin Christopher BirdExecutive Vice PresidentLast filed 1 Apr 2026 | |
| Diana L. DayChief Legal CounselLast filed 14 May 2026 | |
| Alexander Lisa LarroqueSVP, Corp Affairs and HRLast filed 28 Jan 2026 | |
| Caroline Ann WinnExecutive Vice PresidentLast filed 17 Jun 2026 | |
| Dyan Z. WoldVP, Controller and CAOLast filed 16 Mar 2026 | |
Companies that share people with Sempra
Each person's title here, then at the other company.
- APA APA
- Anya Weaving: Director here, Director there
- Bloom Energy BE
- Cynthia J. Warner: Director here, Director there
- Chevron CVX
- Cynthia J. Warner: Director here, Director there
- Republic Services RSG
- Jennifer M. Kirk: Director here, Director there
Sempra's market cap since December 2008
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $55.0B |
| 26 Dec 2025 | $57.8B |
| 27 Dec 2024 | $55.6B |
| 29 Dec 2023 | $47.0B |
| 30 Dec 2022 | $48.6B |
| 31 Dec 2021 | $42.2B |
| 25 Dec 2020 | $36.3B |
| 27 Dec 2019 | $42.5B |
| 28 Dec 2018 | $29.4B |
| 29 Dec 2017 | $26.9B |
| 30 Dec 2016 | $25.2B |
| 25 Dec 2015 | $23.8B |
| 26 Dec 2014 | $28.3B |
| 27 Dec 2013 | $21.8B |
| 28 Dec 2012 | $17.0B |
| 30 Dec 2011 | $13.2B |
| 31 Dec 2010 | $12.6B |
| 25 Dec 2009 | $13.8B |
| 26 Dec 2008 | $10.5B |
Download Sempra's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 15,938
The table below shows the number of employees for each of the Registrants at December 31, 2025, as well as the number of those employees represented by labor unions under various collective bargaining agreements that generally cover wages, benefits, working conditions and other terms and conditions of employment. … Sempra (1) 15,938
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 $8.4 million of stock in 13 sales and bought $576,979 in 3 purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 17 Jun 2026Sale | Caroline Ann WinnExecutive Vice President | $724K |
| 18 May 2026Sale | Pablo FerreroDirector | $233K |
| 14 May 2026Sale | Diana L. DayChief Legal Counsel | $304K |
| 1 Apr 2026Sale | Justin Christopher BirdExecutive Vice President | $109K |
| 16 Mar 2026Sale | Dyan Z. WoldVP, Controller and CAO | $147K |
| 12 Mar 2026Buy | Jennifer M. KirkDirector | $93K |
| 11 Mar 2026Buy | Richard J. MarkDirector | $251K |
| 11 Mar 2026Buy | Cynthia J. WarnerDirector | $232K |
| 9 Mar 2026Sale | Karen L. SedgwickExecutive VP and CFO | $451K |
| 5 Jan 2026Sale | Jeffrey W. MartinChairman, CEO and President | $2.0M |
Showing 10 of 16 trades
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
7 people disclosed 9 purchases and 11 sales of Sempra stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 25 Sep 2026 | Rohit KhannaHouse, D-CA · Bought | $1K to $15K |
| 23 Jun 2026 | Donald J TrumpPresident · Sold | $1K to $15K |
| 11 May 2026 | Donald J TrumpPresident · Sold | $1K to $15K |
| 15 Apr 2026 | Donald J TrumpPresident · Bought | $1K to $15K |
| 23 Mar 2026 | Donald J TrumpPresident · Bought | $1K to $15K |
| 29 Jan 2026 | Rohit KhannaHouse, D-CA · Sold | $1K to $15K |
| 21 Jan 2026 | Donald J TrumpPresident · Sold | $1K to $15K |
| 31 Oct 2025 | Lisa McClainHouse, R-MI · Sold | $1K to $15K |
| 30 Oct 2025 | Lisa McClainHouse, R-MI · Sold | $1K to $15K |
| 30 Oct 2025 | Lisa McClainHouse, R-MI · Bought | $1K to $15K |
Showing 10 of 20 trades
Not on file: no WARN layoff notices under its own name since October 2023.