Martin Marietta Materials (STU:MMX) Short Ratio

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:MMX Martin Marietta Materials Inc STU:MMX
93 GF Score
Price €480.40
GF Value €578.31
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Martin Marietta Materials Short Ratio?

Short Ratio is a metric signaling prevailing investors' sentiment with a company. It represents the number of days it takes short sellers on average to repurchase all the shares short.

Due to the license agreement change with our data vendor, Short Interest related data on GuruFocus will no longer be updated. Existing data will remain as-is, while new data will not be available, except for certain Australian and Canadian stocks.

STU:MMX
93GF Score
Martin Marietta Materials Inc STU:MMX
Short Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Martin Marietta Materials (STU:MMX) Overvalued in 2026?

Based on GuruFocus' analysis, Martin Marietta Materials stock appears to be undervalued. The current stock price of €480.40 is trading 16.9% below its estimated GF Value™ of €578.31. GuruFocus considers Martin Marietta Materials to be Modestly Undervalued.

Key valuation signals for STU:MMX:

  • Short Ratio:
  • GF Value™: €578.31 vs. price of €480.40 (16.9% below fair value)
  • GF Score™: 93/100 with 3 warning signs

No single metric tells the full story. See the STU:MMX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Martin Marietta Materials Business Description

Address 4123 Parklake Avenue, Raleigh, NC, USA, 27612
Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.
93GF Score

Get the complete analysis for STU:MMX

Short Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€480.40
Price
€578.31
GF Value