

Martin Marietta vs AngloGold Ashanti
Major US supplier of aggregates and building materials vs Global gold producer with mines across multiple continents. Which is the better buy for your portfolio in September 2026? Plain-English answer below.
Martin Marietta quarries aggregates like crushed stone, sand, and gravel that go into every road, bridge, and building constructed across the U.S., while AngloGold Ashanti mines gold across multiple continents in a business whose economics pivot almost entirely on the gold price. Both companies dig value out of the ground, but Martin Marietta's products are essential, locally sourced, and priced on local supply-demand dynamics, while AngloGold rides a single globally traded commodity. The Martin Marietta vs AngloGold Ashanti comparison helps investors understand the difference between owning an infrastructure materials oligopoly and betting on precious metals mining.
Martin Marietta quarries aggregates like crushed stone, sand, and gravel that go into every road, bridge, and building constructed across the U.S., while AngloGold Ashanti mines gold across multiple c...
Why It’s Moving

MLM hits a 52-week low as investors weigh liquidity support against construction-market and valuation concerns.
- Martin Marietta extended its $500 million trade-receivables securitization facility through September 15, 2027, with capacity to expand to $700 million, supporting working-capital flexibility.
- The facility’s borrowing cost is set at adjusted Term SOFR plus 0.700%, leaving the company exposed to benchmark-rate movements while preserving access to liquidity.
- Shares touched a new 52-week low near $490.51 on September 18, underscoring investor concern about valuation, construction demand, and the stock’s weaker recent momentum despite broadly favorable analyst coverage.

AU’s strong earnings meet a valuation warning as gold’s latest pullback raises the stakes for investors.
- Second-quarter EBITDA rose 46% year over year to about $2.0 billion and headline earnings increased 58% to roughly $1.0 billion, showing that higher gold prices are translating into stronger operating leverage.
- Free cash flow reached approximately $727 million, while AngloGold Ashanti moved to a $991 million net-cash position; the balance-sheet improvement supports its $2 billion buyback plan and $949 million first-half dividend.
- Gold fell nearly 2% after the latest Federal Reserve decision, while valuation metrics flagged substantial downside from the shares’ recent rally, leaving AU exposed if bullion prices or investor risk appetite weaken.

MLM hits a 52-week low as investors weigh liquidity support against construction-market and valuation concerns.
- Martin Marietta extended its $500 million trade-receivables securitization facility through September 15, 2027, with capacity to expand to $700 million, supporting working-capital flexibility.
- The facility’s borrowing cost is set at adjusted Term SOFR plus 0.700%, leaving the company exposed to benchmark-rate movements while preserving access to liquidity.
- Shares touched a new 52-week low near $490.51 on September 18, underscoring investor concern about valuation, construction demand, and the stock’s weaker recent momentum despite broadly favorable analyst coverage.

AU’s strong earnings meet a valuation warning as gold’s latest pullback raises the stakes for investors.
- Second-quarter EBITDA rose 46% year over year to about $2.0 billion and headline earnings increased 58% to roughly $1.0 billion, showing that higher gold prices are translating into stronger operating leverage.
- Free cash flow reached approximately $727 million, while AngloGold Ashanti moved to a $991 million net-cash position; the balance-sheet improvement supports its $2 billion buyback plan and $949 million first-half dividend.
- Gold fell nearly 2% after the latest Federal Reserve decision, while valuation metrics flagged substantial downside from the shares’ recent rally, leaving AU exposed if bullion prices or investor risk appetite weaken.
Investment Analysis
Pros
- Martin Marietta Materials has strong analyst support with a consensus rating of 'Strong Buy' and a modest projected price upside of around 0.4% to 1.2% over the next year.
- The company reported a solid Q3 2025 EPS beat of $6.85 versus $6.70 forecast, demonstrating earnings resilience despite a revenue shortfall.
- Martin Marietta has a broad product portfolio catering to diverse infrastructure and construction sectors, including aggregates, cement, and asphalt, supporting steady demand.
Considerations
- The stock price has declined about 27% from its November 2024 peak to April 2025, indicating recent volatility or profit-taking pressure.
- Revenue declined by over 10% in Q3 2025, signaling potential weakness in demand or pricing pressures in the current market environment.
- Its return on equity of 11.88% is only moderate, which may lag behind some competitors in the construction materials industry.
Pros
- AngloGold Ashanti is a major gold producer with significant operational scale, which provides exposure to gold's status as a safe-haven asset and inflation hedge.
- The company operates in multiple geographies, helping diversify geopolitical and regulatory risks inherent in the gold mining sector.
- Gold prices have generally benefited from market volatility and economic uncertainty, which could support AngloGold Ashanti’s revenue and profitability.
Considerations
- Exposure to cyclical gold prices makes AngloGold Ashanti's earnings and cash flows volatile, subject to commodity price swings.
- The company faces operational risks typical in mining including regulatory changes, environmental compliance costs, and geopolitical instability in some mining regions.
- Higher costs of production and capital expenditures can pressure margins, especially if gold prices decline or remain stagnant for extended periods.
Martin Marietta (MLM) Next Earnings Date
Martin Marietta Materials (MLM) is currently scheduled to report its next earnings on November 3, 2026, before the market opens. The report is expected to cover the third quarter of fiscal 2026, ended September 30, 2026. This date remains subject to confirmation by the company.
AngloGold Ashanti (AU) Next Earnings Date
AngloGold Ashanti (NYSE: AU) is expected to report its next earnings on November 5, 2026. The release will cover the third quarter of fiscal 2026, ending September 30, 2026. The date remains subject to confirmation or revision by the company.
Martin Marietta (MLM) Next Earnings Date
Martin Marietta Materials (MLM) is currently scheduled to report its next earnings on November 3, 2026, before the market opens. The report is expected to cover the third quarter of fiscal 2026, ended September 30, 2026. This date remains subject to confirmation by the company.
AngloGold Ashanti (AU) Next Earnings Date
AngloGold Ashanti (NYSE: AU) is expected to report its next earnings on November 5, 2026. The release will cover the third quarter of fiscal 2026, ending September 30, 2026. The date remains subject to confirmation or revision by the company.
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