Nisource Inc.

Exchange: NYSE
Industry: Electric & Other Services Combined
SEC CIK: 0001111711

SEC filings (opens in a new tab)

In the last 90 days, Nisource Inc. insiders filed 0 open-market purchases and 1 sale; 916 institutions reported holding it in 13F filings for Q2 2026, worth $22.0B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Nisource Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 4; 0 vs. Q2 2026
Shares held: 14.9K; +2.04K (+15.8%) vs. Q2 2026
Total value: $582.5K; −$30.9K (−5.0%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 0; 2 more reduced

912 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding NI and their total value by quarter
Quarter	Holders	Value
Q2 2026	916	$22.0B
Q1 2026	886	$21.2B
Q4 2025	837	$19.3B
Q3 2025	785	$19.3B
Q2 2025	774	$18.3B
Q1 2025	797	$17.7B
Q4 2024	736	$16.5B
Q3 2024	687	$15.4B
Q2 2024	638	$12.6B
Q1 2024	633	$11.8B
Q4 2023	610	$10.9B
Q3 2023	585	$9.69B
Q2 2023	566	$10.7B
Q1 2023	592	$10.8B
Q4 2022	576	$10.5B
Q3 2022	545	$9.55B
Q2 2022	539	$11.4B
Q1 2022	532	$12.1B
Q4 2021	519	$10.4B
Q3 2021	494	$9.10B
Q2 2021	512	$9.03B
Q1 2021	489	$8.79B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Nisource Inc.; share changes are against Q2 2026.

Institutions holding NI in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Assenagon Asset Management S.A.	–	–	–	–	Not filed
Citigroup Inc	–	–	–	–	Not filed
Badgley Phelps Wealth Managers, LLC	–	–	–	–	Not filed
Waratah Capital Advisors Ltd.	–	–	–	–	Not filed
Robeco Institutional Asset Management B.V.	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
Thomasville National Bank	–	–	–	–	Not filed
Zacks Investment Management	–	–	–	–	Not filed
Neuberger Berman Group LLC	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
California State Teachers Retirement System	–	–	–	–	Not filed
Toroso Investments, LLC	–	–	–	–	Not filed
Tema ETFs LLC	–	–	–	–	Not filed
Magellan Asset Management Ltd	–	–	–	–	Not filed
Bank of Nova Scotia	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund	–	–	–	–	Not filed
Maryland State Retirement & Pension System	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Beck Bode, LLC	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Munro Partners	–	–	–	–	Not filed
Ceredex Value Advisors LLC	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Aventail Capital Group, LP	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
Verition Fund Management LLC	–	–	–	–	Not filed
Royal London Asset Management Ltd	–	–	–	–	Not filed
Resolution Capital Ltd	–	–	–	–	Not filed
Gabelli Funds LLC	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Capitolis Liquid Global Markets LLC	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
State of Wisconsin Investment Board	–	–	–	–	Not filed
Van Eck Associates Corp	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
Hennessy Advisors Inc	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
Macquarie Group Ltd	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Boston Partners	–	–	–	–	Not filed
Edgestream Partners, L.P.	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
HRT Financial LP	–	–	–	–	Not filed
Alyeska Investment Group, L.P.	–	–	–	–	Not filed
Asset Management One Co.,Ltd.	–	–	–	–	Not filed
Tocqueville Asset Management L.P.	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
APG Asset Management N.V.	–	–	–	–	Not filed
XTX Topco Ltd	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Worldquant Millennium Advisors LLC	–	–	–	–	Not filed
Archon Partners LLC	–	–	–	–	Not filed
IFM Investors Pty Ltd	–	–	–	–	Not filed
Picton Mahoney Asset Management	–	–	–	–	Not filed
Goelzer Investment Management, Inc.	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Chevy Chase Trust Holdings, Inc.	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Korea Investment CORP	–	–	–	–	Not filed
Treasurer of the State of North Carolina	–	–	–	–	Not filed
Standard Life Aberdeen plc	–	–	–	–	Not filed
Graham Capital Management, L.P.	–	–	–	–	Not filed
Bradley Foster & Sargent Inc	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
American Century Companies Inc	–	–	–	–	Not filed
Hudson Bay Capital Management LP	–	–	–	–	Not filed
Sagefield Capital LP	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
Calamos Advisors LLC	–	–	–	–	Not filed
Bellars Harris Wealth Management, LLC	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Miller Howard Investments Inc	–	–	–	–	Not filed
Gotham Asset Management, LLC	–	–	–	–	Not filed
Mitsubishi UFJ Trust & Banking Corp	–	–	–	–	Not filed
Cantor Fitzgerald Investment Adviser L.P.	–	–	–	–	Not filed
Lighthouse Investment Partners, LLC	–	–	–	–	Not filed
BFSG, LLC	–	–	–	–	Not filed
Illinois Municipal Retirement Fund	–	–	–	–	Not filed
Bollard Group LLC	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Toronto Dominion Bank	–	–	–	–	Not filed
DekaBank Deutsche Girozentrale	–	–	–	–	Not filed
Vestcor Inc	–	–	–	–	Not filed
Janney Montgomery Scott LLC	–	–	–	–	Not filed
DJE Kapital AG	–	–	–	–	Not filed
Polymer Capital Management (US) LLC	–	–	–	–	Not filed
Union Bancaire Privee, UBP SA	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
Mutual of America Capital Management LLC	–	–	–	–	Not filed
Public Employees Retirement System of Ohio	–	–	–	–	Not filed
Engineers Gate Manager LP	–	–	–	–	Not filed
Ausbil Investment Management Ltd	–	–	–	–	Not filed
Washington Trust Bank	–	–	–	–	Not filed
DnB Asset Management AS	–	–	–	–	Not filed
Prudential PLC	–	–	–	–	Not filed
Dai-Ichi Life Insurance Company, Ltd	–	–	–	–	Not filed