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Livermore
Livermore
ZHEN

Atmos Energy Corp

ATO
Exchange
NYSE
Industry
Natural Gas Distribution
SEC CIK
0000731802

In the last 90 days, Atmos Energy Corp insiders filed 1 open-market purchase and 0 sales; 1,044 institutions reported holding it in 13F filings for Q2 2026, worth $28.0B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Atmos Energy Corp as of Mar 31, 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

Institutional holders
1,020
+57 vs. Q4 2025
Shares held
160.0M
+21.2M (+15.3%) vs. Q4 2025
Total value
$29.6B
+$6.29B (+27.0%) vs. Q4 2025
New holders
142
409 more added
Sold out
85
305 more reduced

17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATO 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 holdersQ1 2026: 1,020 institutions
Q1 2021: 550 institutionsQ2 2021: 548 institutionsQ3 2021: 536 institutionsQ4 2021: 575 institutionsQ1 2022: 608 institutionsQ2 2022: 620 institutionsQ3 2022: 631 institutionsQ4 2022: 663 institutionsQ1 2023: 664 institutionsQ2 2023: 672 institutionsQ3 2023: 669 institutionsQ4 2023: 722 institutionsQ1 2024: 731 institutionsQ2 2024: 736 institutionsQ3 2024: 758 institutionsQ4 2024: 818 institutionsQ1 2025: 861 institutionsQ2 2025: 871 institutionsQ3 2025: 912 institutionsQ4 2025: 980 institutionsQ1 2026: 1,020 institutionsQ2 2026: 1,044 institutions
Value heldQ1 2026: $29.6B
Q1 2021: $10.7BQ2 2021: $10.5BQ3 2021: $9.93BQ4 2021: $12.4BQ1 2022: $14.9BQ2 2022: $14.2BQ3 2022: $13.1BQ4 2022: $14.6BQ1 2023: $14.7BQ2 2023: $15.8BQ3 2023: $14.4BQ4 2023: $15.8BQ1 2024: $16.6BQ2 2024: $16.7BQ3 2024: $20.8BQ4 2024: $21.8BQ1 2025: $24.4BQ2 2025: $24.7BQ3 2025: $27.2BQ4 2025: $27.2BQ1 2026: $29.6BQ2 2026: $28.0B
Institutions holding ATO and their total value by quarter
QuarterHoldersValue
Q2 20261,044$28.0B
Q1 20261,020$29.6B
Q4 2025980$27.2B
Q3 2025912$27.2B
Q2 2025871$24.7B
Q1 2025861$24.4B
Q4 2024818$21.8B
Q3 2024758$20.8B
Q2 2024736$16.7B
Q1 2024731$16.6B
Q4 2023722$15.8B
Q3 2023669$14.4B
Q2 2023672$15.8B
Q1 2023664$14.7B
Q4 2022663$14.6B
Q3 2022631$13.1B
Q2 2022620$14.2B
Q1 2022608$14.9B
Q4 2021575$12.4B
Q3 2021536$9.93B
Q2 2021548$10.5B
Q1 2021550$10.7B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2025.

Institutions holding ATO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Redwood Park Advisors LLC1$1850.00%−1−50.0%Reduced
Davis Capital Management1$1850.00%00.0%Unchanged
Scarborough Advisors, LLC1$1850.00%00.0%Unchanged
TFC Financial Management1$1850.00%00.0%Unchanged
Tidemark, LLC1$1850.00%+1New
Napier Financial, LLC1$1850.00%+1New
Bare Financial Services, Inc2$3690.00%+2New
Curio Wealth, LLC2$3690.00%+2New
Leonteq Securities AG3$5540.00%00.0%Unchanged
Grove Bank & Trust3$5540.00%00.0%Unchanged
Synergy Investment Management, LLC3$5540.00%+3New
Breakwater Investment Management3$5550.00%00.0%Unchanged
Seneschal Advisors, LLC3$5550.00%00.0%Unchanged
American Capital Advisory, LLC3$5550.00%+1+50.0%Added
Nvest Wealth Strategies, Inc.3$5550.00%+3New
United Community Bank4$7390.00%−80−95.2%Reduced
Whipplewood Advisors, LLC4$7390.00%−3−42.9%Reduced
Cornerstone Financial Management LLC4$7390.00%−3−42.9%Reduced
NVWM, LLC4$7390.00%−1−20.0%Reduced
Quaker Wealth Management, LLC4$7390.00%00.0%Unchanged
Legacy Wealth Managment, LLC4$7390.00%00.0%Unchanged
HFM Investment Advisors, LLC5$9240.00%00.0%Unchanged
USA Financial Portformulas Corp5$9240.00%00.0%Unchanged
Triumph Capital Management5$9240.00%00.0%Unchanged
IMG Wealth Management, Inc.6$1.11K0.00%+6New
Torren Management, LLC6$1.15K0.00%−91−93.8%Reduced
Kayne Anderson Rudnick Investment Management LLC7$1.29K0.00%00.0%Unchanged
WestEnd Advisors, LLC7$1.29K0.00%00.0%Unchanged
1015 Capital Partners, LLC7$1.29K0.00%00.0%Unchanged
Aspect Partners, LLC8$1.48K0.00%00.0%Unchanged
Accordant Advisory Group Inc8$1.48K0.00%+8New
Ossiam9$1.66K0.00%00.0%Unchanged
WPG Advisers, LLC9$1.66K0.00%00.0%Unchanged
Godfrey Financial Associates, Inc.9$1.66K0.00%00.0%Unchanged
Hughes Financial Services, LLC9$1.66K0.00%+5+125.0%Added
Principia Wealth Advisory, LLC10$1.85K0.00%+1+11.1%Added
Mascoma Wealth Management LLC10$1.85K0.00%+10New
Operose Advisors LLC10$1.85K0.00%+10New
Harvest Fund Management Co., Ltd12$2.00K0.00%−257−95.5%Reduced
Penserra Capital Management LLC15$2.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC10$2.00K0.00%00.0%Unchanged
Imprint Wealth LLC11$2.03K0.01%00.0%Unchanged
High Note Wealth, LLC11$2.03K0.00%+10+1,000.0%Added
Raffa Wealth Management, LLC12$2.22K0.00%+2+20.0%Added
Vermillion Wealth Management, Inc.12$2.22K0.00%+12New
Dunhill Financial, LLC12$2.25K0.00%+2+20.0%Added
Dogwood Wealth Management LLC13$2.40K0.00%+2+18.2%Added
Marquette Asset Management, LLC13$2.40K0.00%+13New
REAP Financial Group, LLC13$2.43K0.00%00.0%Unchanged
First Command Advisory Services, Inc.17$3.14K0.00%00.0%Unchanged
Hager Investment Management Services, LLC17$3.14K0.00%00.0%Unchanged
Activest Wealth Management17$3.14K0.00%+17New
UMA Financial Services, Inc.18$3.33K0.00%00.0%Unchanged
Clayton Financial Group LLC18$3.33K0.00%00.0%Unchanged
J.Safra Asset Management Corp20$3.69K0.00%00.0%Unchanged
Millstone Evans Group, LLC21$3.88K0.00%00.0%Unchanged
Bogart Wealth, LLC21$3.88K0.00%+10+90.9%Added
Bay Harbor Wealth Management, LLC22$4.06K0.00%+7+46.7%Added
DiNuzzo Private Wealth, Inc.22$4.06K0.00%00.0%Unchanged
ZRC Wealth Management, LLC22$4.06K0.00%+15+214.3%Added
Granite FO LLC23$4.25K0.00%00.0%Unchanged
TD Capital Management LLC23$4.27K0.00%+23New
Mowery & Schoenfeld Wealth Management, LLC25$4.62K0.01%00.0%Unchanged
Key Capital Management, INC25$4.62K0.00%+25New
Park Square Financial Group, LLC26$4.80K0.04%+26New
City State Bank26$4.80K0.00%00.0%Unchanged
Clear Street Markets LLC27$4.99K0.00%−212−88.7%Reduced
RWM Asset Management, LLC27$4.99K0.00%+27New
Avion Wealth29$5.00K0.00%−3−9.4%Reduced
TSFG, LLC27$5.00K0.00%00.0%Unchanged
Lodestone Wealth Management LLC28$5.13K0.00%00.0%Unchanged
JPL Wealth Management, LLC28$5.17K0.00%+28New
Truvestments Capital LLC29$5.36K0.00%+29New
Morse Asset Management, Inc30$5.54K0.00%−62−67.4%Reduced
Rialto Wealth Management, LLC30$5.54K0.00%+13+76.5%Added
Johnson Financial Group, Inc.31$5.73K0.00%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.33$6.10K0.00%−30,934−99.9%Reduced
Park Place Capital Corp33$6.10K0.00%−15−31.3%Reduced
Abound Wealth Management33$6.10K0.00%00.0%Unchanged
Networth Advisors, LLC36$6.65K0.00%+10+38.5%Added
Salomon & Ludwin, LLC39$7.37K0.00%00.0%Unchanged
Sachetta, LLC40$7.39K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC41$7.57K0.01%+41New
First Horizon Corp42$7.76K0.00%+4+10.5%Added
Bangor Savings Bank43$7.94K0.00%00.0%Unchanged
First Pacific Financial46$8.45K0.00%00.0%Unchanged
Red Tortoise LLC46$8.50K0.00%00.0%Unchanged
Joseph Group Capital Management47$8.68K0.00%+47New
Greykasell Wealth Strategies, Inc.48$8.87K0.00%+48New
Spire Wealth Management48$8.87K0.00%−1,468−96.8%Reduced
Cornerstone Planning Group LLC49$8.99K0.00%+10+25.6%Added
Basecamp Wealth Advisors LLC49$9.05K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.49$9.05K0.00%+8+19.5%Added
Golden State Wealth Management, LLC49$9.15K0.00%00.0%Unchanged
Alerus Financial NA50$9.24K0.00%00.0%Unchanged
North Star Investment Management Corp.53$9.79K0.00%−13−19.7%Reduced
Timothy G. Youngquist 2020 Irrevocable Trust56$10.3K0.01%+56New
Brown, Lisle/Cummings, Inc.57$10.5K0.00%+57New
Montag A & Associates Inc57$10.6K0.00%−13−18.6%Reduced
Mosley Wealth Management65$11.1K0.01%+65New