Orin
ATONYSE·Regulated Gas

Atmos Energy Corporation ATO

Market cap $26.3BP/E 18.4× trailingGross margin 61.0%Reports Wed 4 Nov, after the close
$157.61
+1.37 (+0.88%)live 09:30 ET
52-wk $155.00 – $192.51
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Orin's take
0.62conviction · moderate
Refreshed 22 Aug · take v7. A new filing or a print queues the next refresh.

Atmos Energy delivered strong FY2025 results with revenue of $4.70B (+12.9% YoY), EPS of $7.46 (+9.2% YoY), and an expanding operating margin of 33.2%, while trading at a 20.2x P/E — a 12% discount to the peer median of 22.9x. However, persistent negative FCF of -$1.51B against $3.56B in capex, total debt of $9.30B, and an 87% P/S premium to peers reflect a capital-intensive funding model that tempers the valuation appeal.

Technically the stock sits below both its 50-day ($173.40) and 200-day ($176.03) moving averages with a negative MACD histogram, and while BlackRock's new $2.62B position (9.13% ownership) is a notable bullish signal, the near-term setup remains mixed enough to warrant a hold.

What could go wrong

  • Capital intensity and FCF deficit. FY2025 FCF of -$1.51B against $3.56B capex has been negative in four of the last five fiscal years, requiring sustained external financing and growing total debt to $9.30B.
  • Valuation premium on revenue basis. P/S of 5.81 is 87% above the peer median of 3.11, and EV/EBITDA of 14.37 is 12.5% above the peer median of 12.78, limiting upside if rate-case outcomes disappoint.
  • Technical deterioration. As of 2026-08-19, the stock at $171.31 trades below both its 50-day ($173.40) and 200-day ($176.03) moving averages with a negative MACD histogram of -0.14 and RSI of 45.4.
  • Management transition. SR VP Utility Operations John McDill announced retirement in early 2027, with Jeff D. Martinez appointed as successor, introducing execution risk during the handover.

What would change my mind

Rate case approvals accelerate. New multi-state rate cases are approved that materially expand operating margin beyond the current 33.2% and improve FCF trajectory toward breakevenbullish
Capex moderation improves FCF. FY2026 capex declines meaningfully from the $3.56B FY2025 level, narrowing the FCF deficit and reducing reliance on debt issuancebullish
Stock breaks below technical support. Price closes decisively below $165 on elevated volume, confirming the downtrend below both the 50-day and 200-day moving averagesbearish
Regulatory setback. A major state regulator denies or materially trims a pending rate increase request, compressing the operating margin from the current 33.2% levelbearish

Where this comes from: FMP FY2025 annual; derived_metrics · peer_relative composite · FMP FY2025 annual · technicals as of 2026-08-19. Orin's read on ATO; not advice.

Twelve months actual closes to 2026-09-23 · actual filings

Sept 25Nov 25Jan 26Mar 26May 26Jul 26

50-day average 200-day average · volume below

Largest holders · 13F Q2 2026

Money flow
FilerPositionOf fund
State Street$2.0B0.1% of fund
Vanguard Capital Management$1.9B0.0% of fund
Vanguard Portfolio Management$1.6B0.1% of fund
Wellington Management Group Llp$1.6B0.3% of fund
Geode Capital Management$770.3M0.0% of fund
Bank Of America /De/$720.2M0.0% of fund

95 filers · quarter ended Q2 2026 · positions, not flows

Insiders, last 24 months: 96 Form 4 filings, net $16.0M. Of the 50 on hand, 1 was an open-market purchase and 0 sales— the rest are grants, option exercises and tax withholding.

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Where it trades

vs its own 5y · Utilities
MetricNowOwn medianSector
P/E18.4×18.1×25.9×
EV/EBITDA13.4×13.8×
P/S5.30×3.60×
P/B1.7×1.5×

Its P/E sits 60th percentile of its own last 5 years (−0.35σ from its own mean).

What Wall Street published

22 firms · 2026-09-23
Consensus target

$185

$179$200 · +17% against today's price

How they rate it
  • 9 buy or overweight
  • 13 hold
  • 0 underweight or sell

The analysts’ consensus and their own ratings, not Orin’s. A target is a twelve-month opinion published by the firm that wrote it.

Against the companies it is compared to

median P/E 20.9× of 8 peers
CompanyMarket capP/EEV/EBITDAGrossNetROE
ATOAtmos Energy Corporation$26B18.4×13.4×61.0%28.5%10%
AEEAmeren Corporation$28B17.4×11.8×41.1%17.9%12%
AWKAmerican Water Works Company, Inc.$26B23.0×14.8×47.2%21.3%10%
CNPCenterPoint Energy, Inc.$24B21.9×12.3×54.1%11.6%10%
DTEDTE Energy Company$26B19.3×12.5×36.7%8.1%11%
ESEversource Energy$24B16.8×9.7×35.2%10.4%9%
FEFirstEnergy Corp.$25B23.3×11.6×53.4%6.9%9%
PPLPPL Corporation$24B26.1×13.4×34.6%13.5%9%
SOThe Southern Company$96B20.0×12.0×43.4%15.4%13%

The median is of the 8 peers listed above and nothing else — check it against the column. This company trades 12.1% below it. The peer set is the vendor’s, so a company can appear here that a person would not have chosen.

What it has traded at

P/E by fiscal year
FY14 16.1×FY25 22.6×

What its sector has traded at

Utilities
FY14 14.0×FY26 27.4×

Two scales, drawn separately on purpose: a sector median and one company’s multiple are not the same number and putting them on one axis invites a comparison neither series supports.

Discounted cash flow

not recomputed since
ModelFair valueAgainstComputed
Standard DCF$-175$169.43 · −203%2026-06-10
Levered DCF$-636$169.43 · −476%2026-06-10

The vendor’s intrinsic-value models. Treat them as a low-growth anchor — for a fast grower the market routinely pays well above a DCF. These were computed against the price in the “against” column, not today’s.

Every estimate on one scale

price $157.61
52-week range$155 – $193
Analyst targets$179 – $200
Standard DCF$-175 as of 2026-06-10, when it was $169.43
Levered DCF$-636 as of 2026-06-10, when it was $169.43
At own 5y-median P/E (18×)$154
At 5y P/E range (17–23×)$146 – $192
At sector P/E (26×)$220

The vertical rule is the current price. Ranges and point estimates are the backend’s, published as they were calculated; an arrow means the estimate sits beyond this scale, and its number is on the right.