NiSource Inc. (NI): Shares Outstanding

Annual figures by period end, from SEC filings.

Restated years: each year's figure is from the latest filing that reports it. The company later restated the year ended 2011-12-31 (for example after a spin-off or a discontinued operation), while the year before it was last reported on the old basis. Changes across those points are marked n/c (not comparable), and growth rates are not computed across them.

478.43M

As of 2025-12-31

479.50M

As of 2026-06-30

+5.1%

3-year compound annual growth

+4.1%

5-year compound annual growth

+4.1%

10-year compound annual growth

2009-12-31 Shares Outstanding (shares) 2025-12-31

Period ended	Shares Outstanding	Change YoY	Source filing
2025-12-31	478.43M	+1.8%	2026-02-11, Balance as of period end
2024-12-31	469.82M	+5.0%	2026-02-11, Balance as of period end
2023-12-31	447.38M	+8.6%	2025-02-12, Balance as of period end
2022-12-31	412.14M	+1.7%	2024-02-21, Balance as of period end
2021-12-31	405.30M	+3.5%	2023-02-22, Balance as of period end
2020-12-31	391.76M	+2.5%	2022-02-23, Balance as of period end
2019-12-31	382.14M	+2.6%	2021-02-17, Balance as of period end
2018-12-31	372.36M	+10.5%	2020-02-28, Balance as of period end
2017-12-31	337.02M	+4.3%	2019-02-20, Balance as of period end
2016-12-31	323.16M	+1.3%	2018-02-20, Balance as of period end
2015-12-31	319.11M	+1.0%	2017-05-08, Balance as of period end
2014-12-31	316.04M	+0.8%	2016-02-18, Balance as of period end
2013-12-31	313.68M	+1.1%	2015-02-18, Balance as of period end
2012-12-31	310.28M	+10.1%	2014-02-18, Balance as of period end
2011-12-31	281.85M	n/c	2013-02-19, Balance as of period end
2010-12-31	278.86M	+0.8%	2012-02-24, Balance as of period end
2009-12-31	276.64M	n/a	2011-02-28, Balance as of period end