NiSource Inc. Shares Outstanding 2008–2025
NiSource Inc. reported 478.4M of shares outstanding for fiscal 2025. That was 1.8% higher than fiscal 2024. Compared with fiscal 2020, the change was +22.1%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details.
| Fiscal year | Shares Outstanding | Change (YoY) |
|---|---|---|
| FY 2025 | 478.4M | +1.8% |
| FY 2024 | 469.8M | +5.0% |
| FY 2023 | 447.4M | +8.6% |
| FY 2022 | 412.1M | +1.7% |
| FY 2021 | 405.3M | +3.5% |
| FY 2020 | 391.8M | +2.5% |
| FY 2019 | 382.1M | +2.6% |
| FY 2018 | 372.4M | +10.5% |
| FY 2017 | 337.0M | +4.3% |
| FY 2016 | 323.2M | +1.3% |
| FY 2015 | 319.1M | +1.0% |
| FY 2014 | 316.0M | +0.8% |
| FY 2013 | 313.7M | +1.1% |
| FY 2012 | 310.3M | +10.1% |
| FY 2011 | 281.9M | +1.1% |
| FY 2010 | 278.9M | +0.8% |
| FY 2009 | 276.6M | — |
| FY 2008 | 0.0M | — |
Source: NiSource Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open NI 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
NiSource Inc. reported 478.4M of shares outstanding for fiscal 2025. That was 1.8% higher than fiscal 2024. Compared with fiscal 2020, the change was +22.1%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
See the full picture for NiSource Inc.
Complete income statement, balance sheet and cash flow with trend on every row, 48 quarters, ratios, health checks, and Ask — the SEC-grounded research assistant.
Open the interactive view — freeNiSource Inc. — frequently asked questions
What is NiSource Inc.'s shares outstanding?
NiSource Inc. (NI) reported shares outstanding of 478.4M for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from NiSource Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.