Nisource
At a glance
Nisource reported 2025 revenue of $6.52B, up 23.5% from $5.28B in 2024. Over 4 years since 2021 ($4.73B), that is growth of about 8.4% a year. Operating margin was 28.1%, up from 21.3% in 2021. 2025 was the highest revenue year in this period.
In the last 12 months 6 insiders reported 0 open-market purchases and 7 sales ($4.9M). 1 of the sales were made under pre-arranged 10b5-1 plans. The largest was a sale of $1.6M by EVP & Grp President, Utilities Melody Birmingham on Aug 18, 2026.
Nisource filed 11 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), other events (3), new financial obligation (2) and material agreement (2). It reported a material agreement or a completed acquisition or disposal 2 times.
3 of the 20 investors tracked here held Nisource at the last quarter end, worth $106.1M combined. It is the largest weight for Bridgewater Associates (0.3% of its portfolio), followed by Renaissance Technologies (0%). New this quarter: Bridgewater Associates. Added: Renaissance Technologies and National Pension Service (Korea).
Annual results
| Year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Net income | $584.9M | $804.1M | $714.3M | $760.4M | $929.5M |
| Diluted EPS | $1.27 | $1.70 | $1.48 | $1.62 | $1.95 |
| Dividend per share | $0.88 | $0.94 | $1.00 | $1.06 | $1.12 |
Fiscal year ends Dec 31 · incorporated in DE
Tracked investors holding (13F)
Weight is the share of each investor's portfolio, as of the quarter end.
Current reports (8-K, last 12 months)
Insider open-market trades (last 12 months)
Source: SEC EDGAR. How figures are combined