Fortuna Mining (STU:F4S0) Total Operating Expense: €88.4 Mil (TTM As of Mar. 2026)

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:F4S0 Fortuna Mining Corp STU:F4S0
93 GF Score
Price €7.17
GF Value €5.81
Valuation Modestly Overvalued
View Full Analysis

What is Fortuna Mining Total Operating Expense?

Fortuna Mining STU:F4S0 -2.87% 93 Total Operating Expense is €88.4 Mil as of Mar. 2026. GuruFocus rates STU:F4S0 with a GF Score™ of 93/100 and a GF Value™ of €5.81 (Modestly Overvalued).

Fortuna Mining's Total Operating Expense for the three months ended in Mar. 2026 was €25.7 Mil. Fortuna Mining's Total Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 was €88.4 Mil.


Fortuna Mining Total Operating Expense Related Terms


Fortuna Mining Total Operating Expense Historical Data

* Premium members only.

The historical data trend for Fortuna Mining's Total Operating Expense can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Fortuna Mining Total Operating Expense Chart

Fortuna Mining Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Total Operating Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only 56.60 60.25 64.53 65.02 83.47

Fortuna Mining Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Total Operating Expense Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 22.75 18.76 20.37 23.57 25.65
STU:F4S0
93GF Score
Fortuna Mining Corp STU:F4S0
Total Operating Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fortuna Mining Total Operating Expense Calculation

Total Operating Expense is the primary recurring expense associated with central operations that are incurred in order to generate sales.


Total Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €88.4 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a Total Operating Expense of €88.4 Mil mean?
Fortuna Mining (STU:F4S0) has a Total Operating Expense of €88.4 Mil as of Mar. 2026. Total operating expense is the primary recurring expense associated with central operations. View historical data on Fortuna Mining and its competitors.
Is Fortuna Mining's Total Operating Expense too high?
Fortuna Mining's current Total Operating Expense is €88.4 Mil. Overall, Fortuna Mining has a GF Score™ of 93/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fortuna Mining's Total Operating Expense compare to NEM and AU?
Fortuna Mining's Total Operating Expense of €88.4 Mil can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Total Operating Expense for a Metals & Mining company?
A good Total Operating Expense depends on the Metals & Mining industry context. However, Total Operating Expense should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Total Operating Expense mean?
A high Total Operating Expense can signal that a stock is expensive relative to its fundamentals. Total operating expense is the primary recurring expense associated with central operations. View historical data on Fortuna Mining and its competitors. Fortuna Mining's current Total Operating Expense is €88.4 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fortuna Mining stock overvalued right now?
Based on GuruFocus' analysis, Fortuna Mining (STU:F4S0) is currently considered Modestly Overvalued. The stock's GF Value™ is €5.81, compared to a current price of €7.17 — trading 23.4% above its estimated fair value. The current Total Operating Expense is €88.4 Mil. Fortuna Mining's overall GF Score™ is 93/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Total Operating Expense calculated?
Total Operating Expense is calculated from a company's financial statements. For Fortuna Mining (STU:F4S0), the current Total Operating Expense is €88.4 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Fortuna Mining (STU:F4S0) Overvalued in 2026?

Based on GuruFocus' analysis, Fortuna Mining stock appears to be overvalued. The current stock price of €7.17 is trading 23.4% above its estimated GF Value™ of €5.81. GuruFocus considers Fortuna Mining to be Modestly Overvalued.

Key valuation signals for STU:F4S0:

  • Total Operating Expense: €88.4 Mil
  • GF Value™: €5.81 vs. price of €7.17 (23.4% above fair value)
  • GF Score™: 93/100

No single metric tells the full story. See the STU:F4S0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Fortuna Mining Business Description

Address 1111 Melville Street, Suite 820, Vancouver, BC, CAN, V6E 3V6
Fortuna Mining Corp is a Canadian-based precious metals mining company with mines in the Latin America and West Africa regions producing gold and silver. It operate mines in Argentina, Burkina Faso, Cote d'voire, Mexico, and Peru. The company's segment consists of Mansfield, Sango, Bateas, Corporate. The company generates the majority of its revenue from Sango segment which operates the Seguela gold mine. Geographically, the company generates the majority of its revenue from Cote d' Ivoire location.
93GF Score

Get the complete analysis for STU:F4S0

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

€7.17
Price
€5.81
GF Value