$DUK

$124.45 +$0.01 (0.01%) Pre-market

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

Ownership

13F as of Q2 2026 · 779.7M shares outstanding

Who owns DUK?

By type of holder

Institutions 69.6% Insiders 0.2% Everyone else 30.2%

Concentration Top 10 holders own 33.6%

BlackRock, Inc. 9.1% · Vanguard Capital Management LLC 6.5%

Institutional ownership

69.6%

+0.4 pts vs last qtr

Institutional holders

2,457

-5 vs last qtr

Net shares bought

+2.9M

by institutions in Q2 2026

New / sold out

176 / 181

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +2.9M
BlackRock, Inc. +1.2M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −2.7M
Massachusetts Financial Services Co /ma/ −1.6M

Who is planning to sell?

Notices of proposed sale, last 12 months

$9.6M

10 notices from 6 people

Shares covered

75.5K

0.01% of the company

Arranged in advance

49%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Sideris Harry K. Officer $2.49M
Ghartey-Tagoe Kodwo Officer 10b5-1 $2.4M

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

+12.4%

+1.31% a year

Each share's claim on the business

−11.1%

shrank without buying or selling a share

Diluted shares, split-adjusted

How patient are the owners?

Institutional shares by how long they've been held

5+ years87% 3–5 years3% 1–3 years6% Under 1 year3%

Quarterly turnover

4.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting DUK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	70.5M	9.05%	+1.2M (+1.8%)	≤2021	0.1%
Shares held by quarter Peak holding70.5M (Q2'26) Change over 8 quarters+10.1M Share of the company9.050% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	50.8M	6.52%	+311.1K (+0.6%)	≤2021	0.1%
Shares held by quarter Peak holding50.8M (Q2'26) Change over 8 quarters+50.8M Share of the company6.520% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

70.5M

% of company

9.05%

Change vs last qtr

+1.2M (+1.8%)

Held since

≤2021

Vanguard Capital Management LLC

50.8M

% of company

6.52%

Change vs last qtr

+311.1K (+0.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Duke Energy Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting DUK on Form N-PORT; together they hold 29.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$3.13B	24.7M	3.17%	0.14%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$2.56B	20.2M	2.59%	0.15%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$3.13B

% of company

3.17%

% of the fund

0.14%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$2.56B

% of company

2.59%

% of the fund

0.15%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Duke Energy Corp 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
GL Good Lynn J Insider	674.7K	0.09%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.090% Good Lynn J's insider activity →
SH Sideris Harry K. Insider	98.6K	0.01%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.010% Sideris Harry K.'s insider activity →

Good Lynn J

Insider

674.7K

% of company

0.09%

Change vs last qtr

—

Held since

—

Sideris Harry K.

Insider

98.6K

% of company

0.01%

Change vs last qtr

—

Held since

—

20 more holders behind a free account

See every insider and 5%+ holder of Duke Energy Corp.

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