Atmos Energy Corporation (ATO)
NYSE: ATO · Natural Gas Distribution · Dallas, TX · filing with the SEC since 1994
Grade6.1
◀ Past 6.2● Present 6.3▶ Future 5.7
Who owns Atmos Energy Corporation
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 8.7% of Common Stock, as its SCHEDULE 13G/A filed Jul 27, 2026 says.
Directors and officers
21
report now, of 36 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 27, 2026 · Common Stock · 10% in Dec 4, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 28, 2026 · Common Stock
Wellington Management Group LLP
SCHEDULE 13G/A · filed Aug 13, 2026 · Common Stock · 6.5% in Nov 12, 2025
Aristotle Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2025 · Common Stock · reported falling below 5%
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed Aug 14, 2025 · COMMON STOCK · reported falling below 5%, from 5% in May 14, 2025
Capital International Investors
SCHEDULE 13G/A · filed May 14, 2026 · Common Stock · reported falling below 5%, from 6.6% in May 13, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What ATO reports owning in othersstakes of 5% or more, and other ties
16 subsidiaries in 2 countries, from the list filed with the 10-K filed Nov 14, 2025.
Insider tradesForm 4
1sales
1purchases
0sales on a scheduled plan
1people selling
$100,000sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 36 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Donohue Sean | director | 1 | $100,000 | 0 | 0 | $0 |
| Ware William James | director | 0 | $0 | 0 | 1 | $100,000 |