The MoatNarrow moat

ExxonMobil (XOM) — moat facet

Every advantage is real and none of them sets a price; the moat protects the company rather than the return, and in six of the last eleven years the return was below the cost of capital.

The useful question about an oil company is not whether it has advantages — every large one does — but whether the advantages survive contact with the price. ExxonMobil's do, partially, and the way to see it is to look at what happened in 2025 when the price went against it.

Return on invested capital vs an 8% cost of capitalWACC ~8%6.0%20153.0%20166.8%20177.7%20185.3%2019-7.7%20208.9%202121.3%202213.8%202311.2%20248.3%2025EDGAR-computed NOPAT over average operating invested capital.
Below the hurdle in six of eleven years, and above it only when the oil price was high.

Realised Brent fell from $80.76 to $69.061. By the company's own earnings-driver arithmetic that took $6.1 billion out of Upstream earnings. Against it, record production in the Permian and Guyana added $1.9 billion and structural cost savings added $1.4 billion, while base volumes from divestments took away $0.7 billion2. Everything management did in a year of record output gave back a little over half of what the price took away. That ratio — roughly two dollars lost to price for every dollar won back by effort — is the honest measure of what a moat is worth in a commodity.

But the same year, Energy Products earnings rose from $4,033 million to $7,423 million, and that is the other half of the argument3. A refinery buys crude. When crude gets cheaper the refiner's input cost falls, and if product prices hold, the margin widens. ExxonMobil's risk factors say so in terms no analyst would improve on: a material decline in oil or gas prices hurts the Upstream, and a material increase hurts Energy Products, Chemical Products and Specialty Products4. The company is structurally long the price in one segment and structurally short it in three.

Four things hold the position up. First, the cost of the barrels: ExxonMobil classes the Permian, Guyana and LNG as its advantaged assets, and Upstream outside the United States returned 17.7 per cent on capital in a bad price year5. Second, the integration, which is not a slogan but $121,005 million of revenue that moves between ExxonMobil's own segments and never reaches an outside customer6. Third, a small, genuinely differentiated business — Specialty Products — earning 35.4 per cent on capital while the rest of the company earns single digits7. Fourth, a balance sheet at 14.0 per cent debt to capital that lets the company buy when everybody else is selling8.

The limits are equally real. Sixty-three cents of every dollar of cost is a commodity bought at a market price9. The largest capital pool in the company returns 4.3 per cent10. And six years of deliberate cost work produced, on the company's own table, cash operating expenses excluding energy and production taxes of $44.1 billion in 2025 against $44.0 billion in 2019 — $15.1 billion of structural savings almost exactly cancelled by $15.2 billion of market and activity inflation11.

So this is a narrow moat, and the rating is a judgement about durability rather than about quality. ExxonMobil is good at this: a deepwater position returning 17.7 per cent, a system in which three segments gain when the fourth suffers, and 14.0 per cent debt to capital. None of that lets it charge a cent more for a barrel than the market pays.

The number that tests it is return on capital against the cost of capital. Computed consistently from the filings, ExxonMobil's return on invested capital was 8.3 per cent in 2025 against an assumed eight per cent hurdle, and it was below that hurdle in six of the eleven years to 202512. The company's own preferred measure, return on average capital employed, fell from 15.0 per cent in 2023 to 12.7 per cent in 2024 and 9.3 per cent in 202513. Both measures say the same thing in different units: the moat protects the company, not the return.

Moat trajectory: Holding steady

The quality of the resource is improving and the return on it is not. Guyana and the Permian are lowering the cost of the next barrel, the downstream portfolio is being pruned toward its best assets, and unit earnings are targeted above $15 a barrel by 2030 against roughly $5 in 2019. Against that, return on average capital employed has gone 15.0, 12.7, 9.3 per cent in three years and thirty-three billion dollars of new capital went into the segment returning 4.3. A moat getting better at surviving, in a business getting no better at earning.

The number that tests this moat
Moat Explorer calc
ROIC vs an 8% cost of capital
8.3% against 8%

NOPAT over average operating invested capital, computed from the filings. The series runs 6.0, 3.0, 6.8, 7.7, 5.3, -7.7, 8.9, 21.3, 13.8, 11.2, 8.3 per cent from 2015 to 2025 — below the hurdle in six of eleven years. ExxonMobil's own preferred measure, return on average capital employed, fell from 15.0% in 2023 to 9.3% in 2025.

How it's calculated: NOPAT = operating income x (1 - effective tax rate); invested capital = total assets less current liabilities less cash, averaged over the year and prior (tools_roic_edgar.py, CIK 34088). The 8% hurdle is an assumed WACC for an investment-grade integrated major.
Source: Moat Explorer calculation from SEC EDGAR XBRL ↗
Aspects of the moat
DIG DEEPER 01
The Barrels That Cost the Least
A price-taker can own exactly one thing — the cost of the next barrel — and ExxonMobil found half of it in Guyana and paid sixty-three billion dollars…
DIG DEEPER 02
Buying What It Sells
ExxonMobil's own risk factors say a rising oil price is bad for three of its four segments, and that sentence is the entire case for integration.
DIG DEEPER 03
Two Point Seven Per Cent of the Capital, Nine Per Cent of the Profit
The smallest thing ExxonMobil owns earns eight times what the largest thing earns, and it is too small to matter.
DIG DEEPER 04
The Balance Sheet, and What It Is For
The strongest balance sheet among the majors, spent in 2025 on a buyback rather than on the assets a downturn puts up for sale.
References
  1. ReportedRealised Brent fell from $80.76 to $69.06.
    Exxon Mobil Corporation Form 10-K for FY2025, Market Risks — worldwide average realisations for Brent, Henry Hub and TTF, and the disclosed sensitivity of Upstream earnings to a one dollar change in Brent, a ten cent change in Henry Hub and a ten cent change in TTF. — FY2025 · publ. February 2026 · source ↗
  2. ReportedAgainst it, record production in the Permian and Guyana added $1.9 billion and structural cost savings added $1.4 billion, while base volumes from divestments took away $0.7 billion.
    Exxon Mobil Corporation Form 10-K for FY2025, Frequently Used Terms — the definitions and calculations of cash flow from operations and asset sales, capital employed, return on average capital employed, the earnings drivers (advantaged volume growth, advantaged assets, high-value products, base volume, structural cost savings, expenses, timing effects), and the full structural cost savings reconciliation against 2019. — FY2025 · publ. February 2026 · source ↗
  3. ReportedBut the same year, Energy Products earnings rose from $4,033 million to $7,423 million, and that is the other half of the argument.
    Exxon Mobil Corporation Form 10-K for FY2025, Management's Discussion and Analysis — Business Results: segment financial results and identified items, the 2025 earnings driver analyses for each segment, and the Upstream highlights covering the Permian, Guyana, LNG and the major project portfolio. — FY2025 · publ. February 2026 · source ↗
  4. ReportedExxonMobil's risk factors say so in terms no analyst would improve on: a material decline in oil or gas prices hurts the Upstream, and a material increase hurts Energy Products, Chemical Products and Specialty Products.
    Exxon Mobil Corporation Form 10-K for FY2025, Item 1A Risk Factors — supply and demand, economic conditions, other demand- and supply-related factors, other market factors, government and political factors, access limitations, lack of legal certainty, regulatory and litigation risks, and the climate change and energy transition discussion. — FY2025 · publ. February 2026 · source ↗
  5. ReportedFirst, the cost of the barrels: ExxonMobil classes the Permian, Guyana and LNG as its advantaged assets, and Upstream outside the United States returned 17.7 per cent on capital in a bad price year.
    Exxon Mobil Corporation Form 10-K for FY2025, Business Profile (Financial) — earnings after income taxes, average capital employed, return on average capital employed and cash capital expenditures for each segment and geography, and the corporate total. — FY2025 · publ. February 2026 · source ↗
  6. ReportedSecond, the integration, which is not a slogan but $121,005 million of revenue that moves between ExxonMobil's own segments and never reaches an outside customer.
    Exxon Mobil Corporation Form 10-K for FY2025, notes to the consolidated financial statements — Note 3 Disclosures about Segments and Related Information (segment revenue, intersegment revenue, segment income, additions to property plant and equipment, total assets, geographic revenue and the revenue-from-contracts disaggregation), Note 7 Litigation and Other Contingencies, and Note 20 Mergers and Acquisitions covering Pioneer Natural Resources and Denbury. — FY2025 · publ. February 2026 · source ↗
  7. ReportedThird, a small, genuinely differentiated business — Specialty Products — earning 35.4 per cent on capital while the rest of the company earns single digits.
    Exxon Mobil Corporation Form 10-K for FY2025, Business Profile (Financial) — earnings after income taxes, average capital employed, return on average capital employed and cash capital expenditures for each segment and geography, and the corporate total. — FY2025 · publ. February 2026 · source ↗
  8. ReportedFourth, a balance sheet at 14.0 per cent debt to capital that lets the company buy when everybody else is selling.
    Exxon Mobil Corporation Form 10-K for FY2025, Financial Information summary — sales and other operating revenue, net income, earnings per share, return to average equity, working capital, additions to property plant and equipment, long-term and total debt, debt and net debt to capital, equity per share, research and development, and the number of regular employees. — FY2025 · publ. February 2026 · source ↗
  9. Moat Explorer calcSixty-three cents of every dollar of cost is a commodity bought at a market price.
    Moat Explorer calculation from ExxonMobil's reported figures. Crude oil and product purchases of $184,248 million against total costs and other deductions of $290,970 million is 63.3% (2024: $199,454m of $300,712m = 66.3%; 2023: $193,029m of $291,799m = 66.2%). Intersegment revenue of $121,005 million against gross segment revenue of $452,209 million is 26.8%. Depreciation and depletion of $25,993 million against sales of $323,905 million is 8.0% (2023: $20,641m of $334,697m = 6.2%). Income tax of $11,504 million on pre-tax income of $41,268 million is 27.9% (2024: $13,810m of $48,873m = 28.3%; 2023: $15,429m of $52,783m = 29.2%). Revenue outside ASC 606 of $96,996 million of $323,905 million is 29.9% (2024: 27.7%; 2023: 23.4%). The three downstream segments sum to $17,493m (2023), $9,662m (2024) and $11,080m (2025), a rise of $1,418m in 2025 against an Upstream fall of $4,036m. Refinery throughput of 3,979 against production of 4,736 thousand barrels a day is 0.84. Specialty Products earned $2,857m on 7,791 thousand tonnes ($367/t) against $3,052m on 7,666 ($398/t). Free cash flow of $51,970m less $28,358m is $23,612m against distributions of $17,231m plus $20,273m = $37,504m. Energy Products averaged $7.9 billion a year across 2023-2025. — FY2023-FY2025 · publ. September 2026 · source ↗
  10. ReportedThe largest capital pool in the company returns 4.3 per cent.
    Exxon Mobil Corporation Form 10-K for FY2025, Business Profile (Financial) — earnings after income taxes, average capital employed, return on average capital employed and cash capital expenditures for each segment and geography, and the corporate total. — FY2025 · publ. February 2026 · source ↗
  11. ReportedAnd six years of deliberate cost work produced, on the company's own table, cash operating expenses excluding energy and production taxes of $44.1 billion in 2025 against $44.0 billion in 2019 — $15.1 billion of structural savings almost exactly cancelled by $15.2 billion of market and activity inflation.
    Exxon Mobil Corporation Form 10-K for FY2025, Frequently Used Terms — the definitions and calculations of cash flow from operations and asset sales, capital employed, return on average capital employed, the earnings drivers (advantaged volume growth, advantaged assets, high-value products, base volume, structural cost savings, expenses, timing effects), and the full structural cost savings reconciliation against 2019. — FY2025 · publ. February 2026 · source ↗
  12. Moat Explorer calcComputed consistently from the filings, ExxonMobil's return on invested capital was 8.3 per cent in 2025 against an assumed eight per cent hurdle, and it was below that hurdle in six of the eleven years to 2025.
    Moat Explorer calculation from SEC EDGAR XBRL (tools_roic_edgar.py, CIK 34088). Return on invested capital = NOPAT divided by average operating invested capital, where NOPAT is operating income times one minus the effective tax rate and invested capital is total assets less current liabilities less cash. Series 2015-2025: 6.0, 3.0, 6.8, 7.7, 5.3, -7.7, 8.9, 21.3, 13.8, 11.2, 8.3 per cent, against an assumed 8% cost of capital — below the hurdle in six of eleven years. — FY2015-FY2025 · publ. September 2026 · source ↗
  13. ReportedThe company's own preferred measure, return on average capital employed, fell from 15.0 per cent in 2023 to 12.7 per cent in 2024 and 9.3 per cent in 2025.
    Exxon Mobil Corporation Form 10-K for FY2025, Frequently Used Terms — the definitions and calculations of cash flow from operations and asset sales, capital employed, return on average capital employed, the earnings drivers (advantaged volume growth, advantaged assets, high-value products, base volume, structural cost savings, expenses, timing effects), and the full structural cost savings reconciliation against 2019. — FY2025 · publ. February 2026 · source ↗
Sources
Generated September 23, 2026