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
Cary Street Partner Investment Advisory LLC	–	–	–	–	Not filed
Owl Creek Wealth Partners LLC	–	–	–	–	Not filed
Synergy Investment Management, LLC	–	–	–	–	Not filed
Deseret Mutual Benefit Administrators	–	–	–	–	Not filed
Newton One Investments LLC	–	–	–	–	Not filed
Strategic Wealth Partners, Ltd.	–	–	–	–	Not filed
Armstrong Advisory Group, Inc	–	–	–	–	Not filed
Gen-Wealth Partners Inc	–	–	–	–	Not filed
Boyd Watterson Asset Management LLC	–	–	–	–	Not filed
Optiver Holding B.V.	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Rossby Financial, LCC	–	–	–	–	Not filed
Trust Co of Toledo NA	–	–	–	–	Not filed
Seneschal Advisors, LLC	–	–	–	–	Not filed
Quent Capital, LLC	–	–	–	–	Not filed
University of Texas/Texas Am Investment Managment Co	–	–	–	–	Not filed
Delta Asset Management LLC	–	–	–	–	Not filed
Eastern Bank	–	–	–	–	Not filed
Basecamp Wealth Advisors LLC	–	–	–	–	Not filed
REAP Financial Group, LLC	–	–	–	–	Not filed
Harborfront Financial Group LLC	–	–	–	–	Not filed
Massmutual Trust Co FSB	–	–	–	–	Not filed
Caldwell Sutter Capital, Inc.	–	–	–	–	Not filed
Transamerica Financial Advisors, Inc.	–	–	–	–	Not filed
First Community Trust NA	–	–	–	–	Not filed
Evermay Wealth Management LLC	–	–	–	–	Not filed
Raleigh Capital Management Inc.	–	–	–	–	Not filed
Colonial Trust Advisors	–	–	–	–	Not filed
Group One Trading, L.P.	–	–	–	–	Not filed
Action Point Financial Planning, LLC	–	–	–	–	Not filed
Godfrey Financial Associates, Inc.	–	–	–	–	Not filed
Elequin Capital LP	–	–	–	–	Not filed
Country Trust Bank	–	–	–	–	Not filed
Manchester Capital Management LLC	–	–	–	–	Not filed
Keating Financial Advisory Services, Inc.	–	–	–	–	Not filed
Zions Bancorporation, National Association	–	–	–	–	Not filed
Harel Insurance Investments & Financial Services Ltd.	–	–	–	–	Not filed
Barrett & Company, Inc.	–	–	–	–	Not filed
Towarzystwo Funduszy Inwestycyjnych Pzu SA	–	–	–	–	Not filed
AdvisorNet Financial, Inc	–	–	–	–	Not filed
Kayne Anderson Rudnick Investment Management LLC	–	–	–	–	Not filed
IFG Advisory, LLC	–	–	–	–	Not filed
Crewe Advisors LLC	–	–	–	–	Not filed
International Assets Investment Management, LLC	–	–	–	–	Not filed
Meramec Financial Planners, LLC	–	–	–	–	Not filed
Caldwell Trust Co	–	–	–	–	Not filed
Spire Wealth Management	–	–	–	–	Not filed
Logan Capital Management Inc	–	–	–	–	Not filed
LRI Investments, LLC	–	–	–	–	Not filed
Central Trust Co	–	–	–	–	Not filed
Compass Financial Management LLC	–	–	–	–	Not filed
CVA Family Office, LLC	–	–	–	–	Not filed
Perkins Coie Trust Co	–	–	–	–	Not filed
E Fund Management (Hong Kong) Co., Ltd.	–	–	–	–	Not filed
Cornerstone Financial Management LLC	–	–	–	–	Not filed
Salem Investment Counselors Inc	–	–	–	–	Not filed
Bank of New Hampshire	–	–	–	–	Not filed
Smallwood Wealth Investment Management, LLC	–	–	–	–	Not filed
Foster Dykema Cabot & Partners, LLC	–	–	–	–	Not filed
Leonteq Securities AG	–	–	–	–	Not filed
S&T Bank	–	–	–	–	Not filed
Acumen Wealth Advisors, LLC	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
Blueline Advisors LLC	–	–	–	–	Not filed
Motco	–	–	–	–	Not filed
VSM Wealth Advisory, LLC	–	–	–	–	Not filed
Monetary Management Group Inc	–	–	–	–	Not filed
GHP Investment Advisors, Inc.	–	–	–	–	Not filed
JFS Wealth Advisors, LLC	–	–	–	–	Not filed
Cassaday & Co Wealth Management LLC	–	–	–	–	Not filed
Kentucky Trust Co	–	–	–	–	Not filed
Bruce G. Allen Investments, LLC	–	–	–	–	Not filed
Financial Avengers, Inc.	–	–	–	–	Not filed
Main Street Group, LTD	–	–	–	–	Not filed
McMillan Office, Inc.	–	–	–	–	Not filed
Wolff Wiese Magana LLC	–	–	–	–	Not filed
Axiom Investment Management LLC	–	–	–	–	Not filed
Key Financial Inc	–	–	–	–	Not filed
Princeton Global Asset Management LLC	–	–	–	–	Not filed
Wellington-Altus USA Inc.	–	–	–	–	Not filed
GGM Financials LLC	–	–	–	–	Not filed
Salomon & Ludwin, LLC	–	–	–	–	Not filed
Grove Bank & Trust	–	–	–	–	Not filed
Fortitude Family Office, LLC	–	–	–	–	Not filed
Trust Co of Vermont	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Covestor Ltd	–	–	–	–	Not filed
Farmers & Merchants Investments Inc	–	–	–	–	Not filed
Johnson Financial Group, Inc.	–	–	–	–	Not filed
Accordant Advisory Group Inc	–	–	–	–	Not filed
Pingora Partners LLC	–	–	–	–	Not filed
Lloyd Advisory Services, LLC.	–	–	–	–	Not filed
Coston, McIsaac & Partners	–	–	–	–	Not filed
Financial Consulate, Inc	–	–	–	–	Not filed
Fortis Group Advisors, LLC	–	–	–	–	Not filed
True Wealth Design, LLC	–	–	–	–	Not filed
Webster Bank, N. A.	–	–	–	–	Not filed
Ritter Daniher Financial Advisory LLC	–	–	–	–	Not filed
SJS Investment Consulting Inc.	–	–	–	–	Not filed
Cornerstone Planning Group LLC	–	–	–	–	Not filed