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WELLINGTON MANAGEMENT GROUP LLP

Position in ATO — Atmos Energy Corp

CIK 902219 Boston, MA

Position in ATO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,582,435,695
-$200,384,208 QoQ
Shares Held
9,185,788
-4.8% QoQ
Ownership
5.44%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#5
of 1,025 holders
Holding Since
Dec 2020
20 quarters on record
Voting authority Sole 0% Shared 95% None 5%

Common Shares in ATO Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Gas

Utilities · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $2,105,057,967 across 11 Utilities - Regulated Gas names. ATO ranks #1 (75.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ATO
Atmos Energy Corp
This page
9,185,788 $1,582,435,695

All Filings in ATO

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,582,435,695 9,185,788
2026-06-30 $1,582,437,421 9,185,798
2026-03-31 $1,782,819,903 9,651,472
2025-12-31 $1,678,061,451 10,010,508
2025-09-30 $1,787,381,628 10,467,828
2025-06-30 $1,754,376,215 11,383,922
2025-03-31 $1,904,733,829 12,321,994
2024-12-31 $1,828,714,952 13,130,717
2024-09-30 $1,906,617,771 13,745,352
2024-06-30 $1,446,893,000 12,403,712
2024-03-31 $1,174,338,240 9,879,181
2023-12-31 $1,162,712,505 10,032,032
2023-09-30 $952,355,610 8,990,424
2023-06-30 $993,331,507 8,538,177
2023-03-31 $987,629,790 8,789,870
2022-12-31 $951,015,370 8,485,905
2022-09-30 $758,874,977 7,450,908
2021-09-30 $306,671 3,477
2021-06-30 $341,767 3,556
2021-03-31 $848,330 8,582
2020-12-31 $351,373 3,682