MLM Martin Marietta Materials, Inc.
Cyclical & Capital-Intensive
B- 65.0 / 100 composite

AlphaQuality composite grade, weighted for cyclical & capital-intensive businesses.

Profitability

Weight: 15%
B- 67
  • 5yr Avg ROIC 8.6%
  • Operating Margin Trend +3.24 pp/yr

Capital Efficiency

Weight: 15%
B 72
  • 5yr Avg ROE 11.7%
  • 5yr Share-Count CAGR -0.8%

Growth Quality

Weight: 10%
B 72
  • 5yr Revenue CAGR 4.9%
  • 5yr EPS CAGR 13.8%
  • Revenue-Growth Years (5) 4/5

Cash Generation

Weight: 15%
B 71
  • 5yr FCF Margin 11.7%
  • 5yr FCF/NI Conversion 0.70x

Balance Sheet

Weight: 25%
B 70
  • Net Debt / EBITDA 2.44x
  • Interest Coverage (EBIT/Int) 6.62x
  • Altman Z-Score 3.25

Stability

Weight: 20%
D+ 44
  • EPS Volatility (σ/μ) 0.59
  • Piotroski F-Score 4
  • Negative-Revenue Years (5) 1/5

Guru Flow

Curated superinvestor sentiment — not part of the AlphaQuality grade.
Dumping

2 of 2 gurus held; 1 new buy; 1 added; 2 full exits.

Holders
2 +1
Avg Δ position
+47.6%
New buys
1
Full exits
2
As of Q1 2026