LUNMF (Lundin Mining) Debt-to-Equity: 0.06 (As of Jun. 2026) — 40% Below Median

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.

LUNMF Lundin Mining Corp LUNMF
69 GF Score
Price $25.29
GF Value $13.87
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Lundin Mining Debt-to-Equity?

Lundin Mining LUNMF +0.84% 69 Debt-to-Equity is 0.06 as of Jun. 2026, which is 40% below its 10-year median of 0.10. GuruFocus rates LUNMF with a GF Score™ of 69/100 and a GF Value™ of $13.87 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,229 Metals & Mining companies, Lundin Mining ranks better than 65.34% on this metric.

Lundin Mining's Short-Term Debt & Capital Lease Obligation for the quarter that ended in Jun. 2026 was $238 Mil. Lundin Mining's Long-Term Debt & Capital Lease Obligation for the quarter that ended in Jun. 2026 was $151 Mil. Lundin Mining's Total Stockholders Equity for the quarter that ended in Jun. 2026 was $7,019 Mil. Lundin Mining's debt to equity for the quarter that ended in Jun. 2026 was 0.06.

A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.

The historical rank and industry rank for Lundin Mining's Debt-to-Equity or its related term are showing as below:

LUNMF' s Debt-to-Equity Range Over the Past 10 Years
Min: 0   Med: 0.1   Max: 0.45
Current: 0.06

During the past 13 years, the highest Debt-to-Equity Ratio of Lundin Mining was 0.45. The lowest was 0.00. And the median was 0.10.

LUNMF's Debt-to-Equity is ranked better than
65.34% of 1229 companies
in the Metals & Mining industry
Industry Median: 0.14 vs LUNMF: 0.06

Lundin Mining  (OTCPK:LUNMF) Debt-to-Equity Explanation

In the calculation of Debt to Equity, we use the total of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation divided by Total Stockholders Equity. In some calculations, Total Liabilities is used to for calculation.


Be Aware

Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.


Lundin Mining Debt-to-Equity Related Terms


Lundin Mining Debt-to-Equity Historical Data

* Premium members only.

The historical data trend for Lundin Mining's Debt-to-Equity 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.

Lundin Mining Debt-to-Equity Chart

Lundin Mining Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Debt-to-Equity
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.01 0.04 0.30 0.45 0.07

Lundin Mining Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Debt-to-Equity 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 0.11 0.11 0.07 0.08 0.06

LUNMF vs SCCO, FCX: Debt-to-Equity Comparison

For the Copper subindustry, Lundin Mining's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Lundin Mining Debt-to-Equity vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Lundin Mining's Debt-to-Equity distribution charts can be found below:

* The bar in red indicates where Lundin Mining's Debt-to-Equity falls into.


LUNMF
69GF Score
Lundin Mining Corp LUNMF
Debt-to-Equity is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Lundin Mining Debt-to-Equity Calculation

Debt to Equity measures the financial leverage a company has.

Lundin Mining's Debt to Equity Ratio for the fiscal year that ended in Dec. 2025 is calculated as

Lundin Mining's Debt to Equity Ratio for the quarter that ended in Jun. 2026 is calculated as

* 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.

Frequently Asked Questions Learn more about Debt-to-Equity →
What does a Debt-to-Equity of 0.06 mean?
Lundin Mining (LUNMF) has a Debt-to-Equity of 0.06 as of Jun. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Lundin Mining and its competitors. This is 40% below median its historical median of 0.10. According to the industry distribution chart, Lundin Mining ranks #426 out of 1229 companies in the Metals & Mining industry, placing it in the top 34.7%.
Is Lundin Mining's Debt-to-Equity too high?
Lundin Mining's current Debt-to-Equity of 0.06 is 40% below median its 10-year median of 0.10. The Metals & Mining industry median Debt-to-Equity is 0.14. Lundin Mining's value of 0.06 is 57.1% below this industry median. Based on the distribution chart, Lundin Mining ranks #426 out of 1229 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, Lundin Mining has a GF Score™ of 69/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lundin Mining's Debt-to-Equity compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, Lundin Mining ranks #426 out of 1229 companies for Debt-to-Equity. This puts Lundin Mining in the upper half of its industry. The industry median Debt-to-Equity is 0.14. Lundin Mining's value of 0.06 is 57.1% below this benchmark. While the company's 10-year median is 0.10 vs. the industry median of 0.14, Lundin Mining has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for a Metals & Mining company?
The median Debt-to-Equity among Metals & Mining companies is 0.14, based on 1,229 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Lundin Mining's current Debt-to-Equity of 0.06 is 57.1% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Lundin Mining and its competitors. For the Metals & Mining industry, the median Debt-to-Equity is 0.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lundin Mining's current Debt-to-Equity is 0.06, which is 40% below median its own 10-year median of 0.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lundin Mining stock overvalued right now?
Based on GuruFocus' analysis, Lundin Mining (LUNMF) is currently considered Significantly Overvalued. The stock's GF Value™ is $13.87, compared to a current price of $25.29 — trading 82.3% above its estimated fair value. The current Debt-to-Equity is 0.06, which is 40% below median its 10-year median of 0.10 and 57.1% below the Metals & Mining industry median of 0.14. Lundin Mining's overall GF Score™ is 69/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Lundin Mining (LUNMF), the current Debt-to-Equity is 0.06 as of Jun. 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 Lundin Mining (LUNMF) Overvalued in 2026?

Based on GuruFocus' analysis, Lundin Mining stock appears to be overvalued. The current stock price of $25.29 is trading 82.3% above its estimated GF Value™ of $13.87. GuruFocus considers Lundin Mining to be Significantly Overvalued.

Key valuation signals for LUNMF:

  • Debt-to-Equity: 0.06 (40% below median its 10-year median of 0.10)
  • GF Value™: $13.87 vs. price of $25.29 (82.3% above fair value)
  • GF Score™: 69/100 with 3 warning signs
  • Industry Position: 57.1% below the Metals & Mining median (#426 of 1229)

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


Lundin Mining Business Description

Address 1055 Dunsmuir Street, Suite 2800, Vancouver, BC, CAN, V7X 1L2
Lundin Mining Corp is adiversified Canadian base metals mining company primarily producing copper and gold with operations in Brazil, Chile, Portugal, Sweden, and the United States of America, producing copper, zinc, gold, and nickel. Its material mineral properties include Candelaria, Chapada, and Caserones. The majority of the revenue is from Copper.
69GF Score

Get the complete analysis for LUNMF

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

$25.29
Price
$13.87
GF Value