# Nisource Inc.: overview

NI · NYSE · CIK 1111711 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ni.md) · [Financials](/companies/ni/financials.md) · [Filings](/companies/ni/filings.md) · [Insiders](/companies/ni/insiders.md)

Latest reported revenue: [$1.29bn](/filings/0001111711-26-000088.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 5, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001111711-26-000088).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,046](/filings/0001111711-25-000055.md) | [5,283](/filings/0001111711-25-000008.md) | [2,150](/filings/0001111711-26-000045.md) | [1,247](/filings/0001111711-26-000088.md) | [1,240](/filings/0001111711-25-000055.md) | [6,523](/filings/0001111711-26-000027.md) | [2,322](/filings/0001111711-26-000045.md) | [1,290](/filings/0001111711-26-000088.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [20.9%](/filings/0001111711-25-000055.md) | [7.9% d](/filings/0001111711-26-000027.md) | [35.3%](/filings/0001111711-26-000045.md) | [21.1%](/filings/0001111711-26-000088.md) | [24.0%](/filings/0001111711-25-000055.md) | [7.9% d](/filings/0001111711-26-000027.md) | [35.3%](/filings/0001111711-26-000045.md) | [17.7%](/filings/0001111711-26-000088.md) |
| Net margin | % | [8.2%](/filings/0001111711-25-000055.md) | [4.2% d](/filings/0001111711-26-000027.md) | [22.1%](/filings/0001111711-26-000045.md) | [8.2%](/filings/0001111711-26-000088.md) | [7.6%](/filings/0001111711-25-000055.md) | [4.0% d](/filings/0001111711-26-000027.md) | [21.8%](/filings/0001111711-26-000045.md) | [3.5%](/filings/0001111711-26-000088.md) |
| Diluted EPS | $ per share | [0.19](/filings/0001111711-25-000055.md) | not reported | [1.00](/filings/0001111711-26-000045.md) | [0.22](/filings/0001111711-26-000088.md) | [0.20](/filings/0001111711-25-000055.md) | not reported | [1.06](/filings/0001111711-26-000045.md) | [0.09](/filings/0001111711-26-000088.md) |
| Free cash flow | $m | [(295) d](/filings/0001111711-25-000055.md) | [(220) d](/filings/0001111711-26-000027.md) | [49.1](/filings/0001111711-26-000045.md) | [(163) d](/filings/0001111711-26-000088.md) | [(173) d](/filings/0001111711-25-000055.md) | [(134) d](/filings/0001111711-26-000027.md) | [(363)](/filings/0001111711-26-000045.md) | [(417) d](/filings/0001111711-26-000088.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [4,731](/filings/0001111711-24-000011.md) | [5,739](/filings/0001111711-25-000008.md) | [5,348](/filings/0001111711-26-000027.md) | [5,283](/filings/0001111711-26-000027.md) | [6,523](/filings/0001111711-26-000027.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [21.3%](/filings/0001111711-24-000011.md) | [22.1%](/filings/0001111711-25-000008.md) | [24.2%](/filings/0001111711-26-000027.md) | [27.6%](/filings/0001111711-26-000027.md) | [28.1%](/filings/0001111711-26-000027.md) |
| Net margin | % | [12.4%](/filings/0001111711-24-000011.md) | [14.0%](/filings/0001111711-25-000008.md) | [13.4%](/filings/0001111711-26-000027.md) | [14.4%](/filings/0001111711-26-000027.md) | [14.3%](/filings/0001111711-26-000027.md) |
| Diluted EPS | $ per share | [1.27](/filings/0001111711-24-000011.md) | [1.70](/filings/0001111711-25-000008.md) | [1.48](/filings/0001111711-26-000027.md) | [1.62](/filings/0001111711-26-000027.md) | [1.95](/filings/0001111711-26-000027.md) |
| Free cash flow | $m | [(620)](/filings/0001111711-24-000011.md) | [(794)](/filings/0001111711-25-000008.md) | [(711)](/filings/0001111711-26-000027.md) | [(833)](/filings/0001111711-26-000027.md) | [(420)](/filings/0001111711-26-000027.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/ni/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $2.61bn | 54,957,602 |  | Added +3,482,756 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $1.49bn | 31,351,094 |  | Added +208,299 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $1.31bn | 27,622,784 |  | Added +520,362 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $1.29bn | 27,067,956 |  | Added +87,001 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $611.9m | 12,920,034 |  | Added +306,858 |
| [DEUTSCHE BANK AG\\](/funds/948046.md) | 2026-06-30 | $574.3m | 12,077,706 |  | Added +359,630 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $483.6m | 10,170,078 |  | Added +945,925 |
| [JENNISON ASSOCIATES LLC](/funds/53417.md) | 2026-06-30 | $439.1m | 9,235,389 |  | Added +13,829 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $370.4m | 7,790,163 |  | Reduced −1,464 |
| [NORGES BANK](/funds/1374170.md) | 2026-06-30 | $370.4m | 7,789,733 |  | New +7,789,733 |

## Recent filings

[All 1,543 filings](/companies/ni/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 06:38 ET | [10-Q](/filings/0001111711-26-000100.md) | Quarterly report, period 2026-09-30 | 0001111711-26-000100 |
| 2026-10-28 | 06:35 ET | [8-K](/filings/0001111711-26-000099.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000099 |
| 2026-10-16 | 07:00 ET | [8-K](/filings/0001193125-26-423375.md) | 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-423375 |
| 2026-08-18 | 16:30 ET | [8-K](/filings/0001193125-26-355564.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-355564 |
| 2026-08-05 | 06:38 ET | [10-Q](/filings/0001111711-26-000088.md) | Quarterly report, period 2026-06-30 | 0001111711-26-000088 |
| 2026-08-05 | 06:35 ET | [8-K](/filings/0001111711-26-000087.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000087 |
| 2026-05-18 | 16:06 ET | [8-K](/filings/0001193125-26-228913.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-228913 |
| 2026-05-12 | 17:20 ET | [8-K](/filings/0001193125-26-219872.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-219872 |
| 2026-05-06 | 06:42 ET | [10-Q](/filings/0001111711-26-000045.md) | Quarterly report, period 2026-03-31 | 0001111711-26-000045 |
| 2026-05-06 | 06:36 ET | [8-K](/filings/0001111711-26-000044.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000044 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001111711-26-000027.md), filed Feb 11, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/baaac0ef-0182-40f9-9a60-68fd065a2d74)

## About the filer

- CIK: 1111711
- Tickers: NI
- Exchange: NYSE
- SIC code: 4931 Electric & Other Services Combined
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 16:21 ET. No prices; not investment advice.