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NISOURCE INC.
NI - Company ID 0001111711
Market cap$22.49 B
Rank#587
Filings2,532
Market capitalization of NISOURCE INC.
As of 2026-07-11, NISOURCE INC. (NI) has a market capitalization of $22.49 B, making it the #587 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-11 | $22.49 B |
| 2026-07-10 | $22.50 B |
| 2026-07-09 | $22.37 B |
| 2026-07-08 | $22.46 B |
| 2026-07-07 | $22.97 B |
| 2026-07-06 | $22.64 B |
| 2026-07-05 | $22.93 B |
| 2026-07-04 | $22.93 B |
| 2026-07-03 | $22.93 B |
| 2026-07-02 | $22.81 B |
| 2026-07-01 | $22.47 B |
| 2026-06-30 | $23.03 B |
Market Cap of similar companies
Frequently asked questions
What is NISOURCE INC.'s market cap?
As of 2026-07-11, NISOURCE INC. (NI) has a market capitalization of $22.49 B, making it the #587 most valuable US-listed company.
Where does NISOURCE INC. rank by market cap?
NISOURCE INC. is the #587 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.