NiSource NI
NiSource is the 398th largest S&P 500 company by market cap, worth $20.8 billion. 12 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 7 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 13.3% of the company.
- CEO
- Lloyd M. Yates
- Sector
- Utilities
- Sub-industry
- Multi-Utilities
- Headquarters
- Merrillville, Indiana
- Founded
- 1912
- More
- Wikipedia
- Market cap
- $20.8B
- 398th largest, 23 Oct 2026 close
- Price to sales
- 3.2
- Market cap over revenue
- Market cap per employee
- $2.7M
- Market cap over employees
- Connections
- 2
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of NiSource. 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
2 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (12) | |
| Lloyd M. YatesDirector and President & CEOAlso at Marsh McLennan | |
| Peter AltabefDirector | |
| Sondra L. BarbourDirector | |
| Theodore H. Bunting Jr.Director | |
| Eric L. ButlerDirector | |
| Deborah A. HenrettaDirector | |
| Deborah HersmanDirector | |
| Michael E. JesanisDirector | |
| William D. JohnsonDirector | |
| Kevin T. KabatDirectorAlso at Crown Castle | |
| Cassandra S. LeeDirector | |
| John McAvoyDirector | |
| Officers (7) | |
| Shawn AndersonEVP & CFOLast filed 3 Mar 2026 | |
| Melanie B. BermanEVP Administration & CHROLast filed 27 May 2026 | |
| Melody BirminghamEVP & Grp President, UtilitiesLast filed 18 Aug 2026 | |
| Kimberly S. CucciaEVP, GC & Corporate SecretaryLast filed 3 Mar 2026 | |
| Gunnar GodeSVP Chief Accting&Tax OfficerLast filed 3 Mar 2026 | |
| William Jefferson Jr.EVP, Chief Op & Safety OfficerLast filed 3 Mar 2026 | |
| Michael LuhrsEVP, Tech, Customer & CCOLast filed 3 Mar 2026 | |
Companies that share people with NiSource
Each person's title here, then at the other company.
- Crown Castle CCI
- Kevin T. Kabat: Director here, Director there
- Marsh McLennan MRSH
- Lloyd M. Yates: Director and President & CEO here, Director there
NiSource's market cap since December 2008
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $20.8B |
| 26 Dec 2025 | $19.9B |
| 27 Dec 2024 | $17.2B |
| 29 Dec 2023 | $11.0B |
| 30 Dec 2022 | $11.1B |
| 31 Dec 2021 | $10.8B |
| 25 Dec 2020 | $8.5B |
| 27 Dec 2019 | $10.2B |
| 28 Dec 2018 | $9.3B |
| 29 Dec 2017 | $8.7B |
| 30 Dec 2016 | $7.2B |
| 25 Dec 2015 | $6.2B |
| 26 Dec 2014 | $13.9B |
| 27 Dec 2013 | $10.2B |
| 28 Dec 2012 | $7.6B |
| 30 Dec 2011 | $6.7B |
| 31 Dec 2010 | $4.9B |
| 25 Dec 2009 | $4.3B |
| 26 Dec 2008 | $2.9B |
Download NiSource's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 7,738
As of December 31, 2025, we had 7,668 full-time and 70 part-time active employees (i.e., not interns, not on leave or disability).
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 $4.9 million of stock in 8 sales and made no open-market purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 14 Aug 2026Sale | Melody BirminghamEVP & Grp President, Utilities | $1.6M |
| 22 May 2026Sale | Melanie B. BermanEVP Administration & CHRO | $715K |
| 21 May 2026Sale | Lloyd M. YatesDirector and President & CEO | $950K |
| 20 May 2026Sale | Melody BirminghamEVP & Grp President, Utilities | $119K |
| 14 May 2026Sale | Melody BirminghamEVP & Grp President, Utilities | $472K |
| 18 Feb 2026Sale | Gunnar GodeSVP Chief Accting&Tax Officer | $100K |
| 13 Feb 2026Sale | Shawn AndersonEVP & CFO | $563K |
| 25 Nov 2025Sale | Kimberly S. CucciaEVP, GC & Corporate Secretary | $345K |
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
3 people disclosed 3 purchases and 4 sales of NiSource stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 12 Jun 2026 | Donald J TrumpPresident 路 Sold | $1K to $15K |
| 11 May 2026 | Donald J TrumpPresident 路 Bought | $1K to $15K |
| 10 Apr 2026 | Donald J TrumpPresident 路 Sold | $1K to $15K |
| 4 Mar 2026 | Donald J TrumpPresident 路 Bought | $1K to $15K |
| 12 May 2025 | Jefferson ShreveHouse, R-IN 路 Sold | $50K to $100K |
| 11 Apr 2025 | Dan NewhouseHouse, R-WA 路 Sold | $1K to $15K |
| 10 Apr 2024 | Dan NewhouseHouse, R-WA 路 Bought | $1K to $15K |
Not on file: no WARN layoff notices under its own name since October 2023.