NiSource Inc
Ownership
Ownership Structure
Who owns NiSource Inc (NI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 98.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 11.46 | 54,957,602 | +6.8 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.54 | 31,351,094 | +0.7 | 06/30/2026 |
| T. Rowe Price Investment Management,Inc. | 6.22 | 29,835,011 | -40.1 | 06/30/2026 |
| State Street Corp | 5.76 | 27,622,784 | +1.9 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.64 | 27,067,956 | +0.3 | 06/30/2026 |
| Geode Capital Management, LLC | 2.69 | 12,920,034 | +2.4 | 06/30/2026 |
| Deutsche Bank AG | 2.52 | 12,077,706 | +3.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Capital Appreciation | 3.38 | 16,200,368 | +49.3 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 15,236,947 | +0.2 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 12,593,705 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Anderson Shawn | EVP & CFO | 160,080 | 7,251,631 $ | Oct 30, 2026 | direct |
| Birmingham Melody | EVP & Grp President, Utilities | 78,527 | 3,557,280 $ | Aug 14, 2026 | direct |
| Jefferson William Jr. | EVP, Chief Op & Safety Officer | 58,375 | 2,644,388 $ | Oct 30, 2026 | direct |
| Jesanis Michael E | Director | 52,701 | 2,387,346 $ | Jul 13, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | Anderson Shawn | EVP & CFO | Sell | 6,500 | 45.00 | 292,500 |
| Oct 30, 2026 | Jefferson William Jr. | EVP, Chief Op & Safety Officer | Sell | 40,000 | 44.56 | 1,782,400 |
| Aug 14, 2026 | Birmingham Melody | EVP & Grp President, Utilities | Sell | 37,509 | 42.40 | 1,590,382 |
| Jul 13, 2026 | Jesanis Michael E | Director | Other | 30,190 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.