$NI

$43.44 +$0.16 (0.37%) Close

$NI Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 479.6M shares outstanding

Who owns NI?

By type of holder

Institutions 95.9% Insiders 0.4% Everyone else 3.7%

Concentration Top 10 holders own 46.3%

BlackRock, Inc. 11.5% · T. Rowe Price Investment Management, Inc. 6.2%

Institutional ownership

95.9%

+1.4 pts vs last qtr

Institutional holders

912

+29 vs last qtr

Net shares bought

+6.6M

by institutions in Q2 2026

New / sold out

105 / 76

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +7.8M
BlackRock, Inc. +3.5M

Biggest sellers in Q2 2026

T. Rowe Price Investment Management, Inc. −20.0M
UBS Group AG −3.8M

Who is planning to sell?

Notices of proposed sale, last 12 months

$4.85M

8 notices from 6 people

Shares covered

107.6K

0.02% of the company

Arranged in advance

12%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Birmingham Melody Officer $2.18M
Yates Lloyd M Officer $950K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+46.7%

+4.35% a year

Each share's claim on the business

−31.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$20.6M vs $336M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years73% 3–5 years4% 1–3 years14% Under 1 year9%

Quarterly turnover

9.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	55.0M	11.46%	+3.5M (+6.8%)	≤2021	0.0%
Shares held by quarter Peak holding55.0M (Q2'26) Change over 8 quarters+7.5M Share of the company11.460% BlackRock, Inc.'s full portfolio →
TR T. Rowe Price Investment Management, Inc.	29.8M	6.22%	−20.0M (−40.1%)	2024	0.9%
Shares held by quarter Peak holding88.3M (Q4'25) Change over 8 quarters+10.4M Share of the company6.220% T. Rowe Price Investment Management, Inc.'s full portfolio →

BlackRock, Inc.

55.0M

% of company

11.46%

Change vs last qtr

+3.5M (+6.8%)

Held since

≤2021

T. Rowe Price Investment Management, Inc.

29.8M

% of company

6.22%

Change vs last qtr

−20.0M (−40.1%)

Held since

2024

28 more super investors behind a free account

See every manager holding NiSource Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting NI on Form N-PORT; together they hold 46.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
TR T. Rowe Price Capital Appreciation Fund T. Rowe Price Capital Appreciation Fund, Inc.	$837M	17.6M	3.67%	1.19%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$724M	15.2M	3.17%	0.03%	June 30, 2026

T. Rowe Price Capital Appreciation Fund

T. Rowe Price Capital Appreciation Fund, Inc.

Position value

$837M

% of company

3.67%

% of the fund

1.19%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$724M

% of company

3.17%

% of the fund

0.03%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding NiSource Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
YL Yates Lloyd M Insider	519.6K	0.11%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.110% Yates Lloyd M's insider activity →
AS Anderson Shawn Insider	165.9K	0.03%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.030% Anderson Shawn's insider activity →

Yates Lloyd M

Insider

519.6K

% of company

0.11%

Change vs last qtr

—

Held since

—

Anderson Shawn

Insider

165.9K

% of company

0.03%

Change vs last qtr

—

Held since

—

18 more holders behind a free account

See every insider and 5%+ holder of NiSource Inc..

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