Main Street Capital (STU:13M) Altman Z-Score

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:13M Main Street Capital Corp STU:13M
69 GF Score
Price €46.29
GF Value €42.72
Valuation Fairly Valued
! 10 Warning Signs
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What is Main Street Capital Altman Z-Score?

The Altman Z-Score is a model designed to predict the likelihood of a company going bankrupt within the next two years. Created by American finance professor Edward Altman in 1968, the model is specifically designed for publicly traded manufacturing companies with assets greater than $1 million.

Altman Z-Score does not apply to banks and insurance companies.

STU:13M
69GF Score
Main Street Capital Corp STU:13M
Altman Z-Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Main Street Capital (STU:13M) Overvalued in 2026?

Based on GuruFocus' analysis, Main Street Capital stock appears to be overvalued. The current stock price of €46.29 is trading 8.3% above its estimated GF Value™ of €42.72. GuruFocus considers Main Street Capital to be Fairly Valued.

Key valuation signals for STU:13M:

  • Altman Z-Score:
  • GF Value™: €42.72 vs. price of €46.29 (8.3% above fair value)
  • GF Score™: 69/100 with 10 warning signs

No single metric tells the full story. See the STU:13M stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Main Street Capital Business Description

Other Exchanges MAIN:USA0JXQ:UK
Address 1300 Post Oak Boulevard, 8th Floor, Houston, TX, USA, 77056
Main Street Capital Corp is a principal investment firm focused on providing customized long-term debt and equity capital solutions to lower middle market ("LMM") companies and debt capital to private ("Private Loan") companies owned by or in the process of being acquired by a private equity fund. The group invests principally in secured debt investments, equity investments, warrants, and other securities of LMM companies, typically based in the U.S. The company operates as a single segment with a principal investment objective to maximize total return by generating current income from debt investments and current income and capital appreciation from equity and equity-related investments.
69GF Score

Get the complete analysis for STU:13M

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

€46.29
Price
€42.72
GF Value