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
Danske Bank A/S	–	–	–	–	Not filed
Bleakley Financial Group, LLC	–	–	–	–	Not filed
Kestra Private Wealth Services, LLC	–	–	–	–	Not filed
Omers Administration Corp	–	–	–	–	Not filed
Tokio Marine Asset Management Co Ltd	–	–	–	–	Not filed
New Age Alpha Advisors, LLC	–	–	–	–	Not filed
Fideuram Asset Management (Ireland) dac	–	–	–	–	Not filed
MAI Capital Management	–	–	–	–	Not filed
Ingalls & Snyder LLC	–	–	–	–	Not filed
Cohen Capital Management, Inc.	–	–	–	–	Not filed
Schnieders Capital Management, LLC.	–	–	–	–	Not filed
Crumly & Associates Inc.	–	–	–	–	Not filed
HB Wealth Management, LLC	–	–	–	–	Not filed
Capital Fund Management S.A.	–	–	–	–	Not filed
Integrated Wealth Concepts LLC	–	–	–	–	Not filed
First Citizens Bank & Trust Co	–	–	–	–	Not filed
Horizon Investments, LLC	–	–	–	–	Not filed
Aster Capital Management (DIFC) Ltd	–	–	–	–	Not filed
Ti-Trust, Inc	–	–	–	–	Not filed
MUFG Securities EMEA plc	–	–	–	–	Not filed
Crossmark Global Holdings, Inc.	–	–	–	–	Not filed
Oak Grove Capital LLC	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
Bessemer Group Inc	–	–	–	–	Not filed
Keybank National Association	–	–	–	–	Not filed
Merit Financial Group, LLC	–	–	–	–	Not filed
Marshall Wace, LLP	–	–	–	–	Not filed
QRG Capital Management, Inc.	–	–	–	–	Not filed
Centennial Wealth Advisory LLC	–	–	–	–	Not filed
Board of the Pension Protection Fund	–	–	–	–	Not filed
Mount Yale Investment Advisors, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Valeo Financial Advisors, LLC	–	–	–	–	Not filed
Mariner, LLC	–	–	–	–	Not filed
Park Avenue Securities LLC	–	–	–	–	Not filed
Prosperity Consulting Group, LLC	–	–	–	–	Not filed
Magnetar Financial LLC	–	–	–	–	Not filed
Laird Norton Trust Company, LLC	–	–	–	–	Not filed
Advisory Services Network, LLC	–	–	–	–	Not filed
Brown Brothers Harriman & Co	–	–	–	–	Not filed
Horizon Bancorp Inc	–	–	–	–	Not filed
Cary Street Partners Financial LLC	–	–	–	–	Not filed
Stableford Capital II LLC	–	–	–	–	Not filed
LOM Asset Management Ltd	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Moody National Bank Trust Division	–	–	–	–	Not filed
Northwestern Mutual Investment Management Company, LLC	–	–	–	–	Not filed
Blueshift Asset Management, LLC	–	–	–	–	Not filed
EP Wealth Advisors, LLC	–	–	–	–	Not filed
Chicago Partners Investment Group LLC	–	–	–	–	Not filed
Arcus Capital Partners, LLC	–	–	–	–	Not filed
Profund Advisors LLC	–	–	–	–	Not filed
Johnson Investment Counsel Inc	–	–	–	–	Not filed
Empirical Finance, LLC	–	–	–	–	Not filed
Banco Bilbao Vizcaya Argentaria, S.A.	–	–	–	–	Not filed
Assetmark, Inc	–	–	–	–	Not filed
SBI Okasan Asset Management Co.Ltd.	–	–	–	–	Not filed
Boston Private Wealth LLC	–	–	–	–	Not filed
MUFG Securities Americas Inc.	–	–	–	–	Not filed
Prelude Capital Management, LLC	–	–	–	–	Not filed
North Dakota State Investment Board	–	–	–	–	Not filed
My Purposeful Wealth Corp.	–	–	–	–	Not filed
United Capital Financial Advisers, LLC	–	–	–	–	Not filed
D.A. Davidson & Co.	–	–	–	–	Not filed
Kimelman & Baird, LLC	–	–	–	–	Not filed
Alan B. Lancz & Associates, Inc.	–	–	–	–	Not filed
Arrowstreet Capital, Limited Partnership	–	–	–	–	Not filed
Kingdom Financial Group LLC.	–	–	–	–	Not filed
Atomi Financial Group, Inc.	–	–	–	–	Not filed
Nippon Life Global Investors Americas, Inc.	–	–	–	–	Not filed
V-Square Quantitative Management LLC	–	–	–	–	Not filed
Venturi Wealth Management, LLC	–	–	–	–	Not filed
Archer Investment Corp	–	–	–	–	Not filed
ELCO Management Co., LLC	–	–	–	–	Not filed
Frontier Capital Management Co LLC	–	–	–	–	Not filed
Callan Family Office, LLC	–	–	–	–	Not filed
Cynosure Management, LLC	–	–	–	–	Not filed
Ticino Wealth	–	–	–	–	Not filed
Silver Oak Securities, Inc	–	–	–	–	Not filed
Prudent Man Advisors, LLC	–	–	–	–	Not filed
Envestnet Portfolio Solutions, Inc.	–	–	–	–	Not filed
Sigma Planning Corp	–	–	–	–	Not filed
Bridgefront Capital, LLC	–	–	–	–	Not filed
Securian Asset Management, Inc	–	–	–	–	Not filed
Two Sigma Securities, LLC	–	–	–	–	Not filed
Vanguard National Trust Co	–	–	–	–	Not filed
Caitong International Asset Management Co., Ltd	–	–	–	–	Not filed
Capital Innovations LLC	–	–	–	–	Not filed
Atom Investors LP	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
R Squared Ltd	–	–	–	–	Not filed
Commerce Bank	–	–	–	–	Not filed
TD Waterhouse Canada Inc.	–	–	–	–	Not filed
Vontobel Holding Ltd.	–	–	–	–	Not filed
Summit Financial, LLC	–	–	–	–	Not filed
Ibex Wealth Advisors	–	–	–	–	Not filed
Pensionmark Financial Group, LLC	–	–	–	–	Not filed
Canada Post Corp Registered Pension Plan	–	–	–	–	Not filed
Menard Financial Group LLC	–	–	–	–	Not filed
HBK Sorce Advisory LLC	–	–	–	–	Not filed