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PolyMet Mining Corp. (PLM) Stock Analysis

DELISTED 2023

What happened to PolyMet Mining Corp. (PLM) stock?

PolyMet Mining Corp. (PLM) no longer trades on public markets. It was delisted in November 2023. The figures below are historical and are not a current quote.

MCap: $408M| Vol: 451.6K| 52-wk range: $0.751 – $3.11
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

PolyMet Mining Corp. (PLM) trades at $2.10. PolyMet Mining Corp. is focused on the exploration and development of natural resource properties, primarily the NorthMet project in northeastern Minnesota. Market cap: $408M, Sector: Basic materials.

Last analyzed: Mar 17, 2026
PolyMet Mining Corp. is focused on the exploration and development of natural resource properties, primarily the NorthMet project in northeastern Minnesota. The NorthMet project is a polymetallic deposit containing copper, nickel, cobalt, gold, silver, and platinum group metals.

Analyst Coverage for PLM: PLM does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates PLM against Basic Materials peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the PLM film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Split View 47/100 · C

PLM: 1/2 scored disciplines lean bearish. Dominant signal: Izzy Englander bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bullish
Jim Simons
Neutral
Izzy Englander
Bullish
Seth Klarman
Bearish
Moon AI
Bearish
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Negative
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

PolyMet Mining Corp. (PLM) Materials & Commodity Exposure

CEOJonathan Cherry
Employees21
HeadquartersSaint Paul, US
IPO Year2000

PolyMet Mining Corp. is a development-stage mining company focused on the NorthMet project, a large polymetallic deposit in Minnesota, containing copper, nickel, cobalt, and precious metals. As a subsidiary of Glencore AG, PolyMet aims to become a significant domestic supplier of critical minerals.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 17, 2026

What Is the Investment Thesis for PLM?

As of Mar 17, 2026 — figures reflect the data available on that date.

PolyMet Mining Corp. presents a speculative investment opportunity centered on the successful development of the NorthMet project. The project's potential to produce copper, nickel, cobalt, and precious metals positions the company to capitalize on the increasing demand for these materials, driven by the growth of electric vehicles and renewable energy. Key value drivers include securing the remaining permits, completing project financing, and commencing construction. However, the investment is subject to significant risks, including environmental regulations, fluctuating commodity prices, and the inherent challenges of developing a large-scale mining project. The company's negative P/E ratio of -6.77 reflects its current lack of profitability. Successful execution of the NorthMet project is crucial for realizing the company's potential value. The ongoing permitting process and legal challenges could delay or impede the project's progress.

Based on FMP financials and quantitative analysis

PLM Key Highlights

NorthMet project contains significant deposits of copper, nickel, cobalt, gold, silver, and platinum group metals.

  • Operates as a subsidiary of Glencore AG, providing access to financial and technical resources.
  • Project located in northeastern Minnesota, aiming to enhance domestic supply of critical minerals.
  • Market capitalization of $408M, reflecting investor expectations for the NorthMet project.
  • Negative P/E ratio of -6.77, indicating the company is currently not profitable.

Who Are PLM's Competitors?

PLM is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
BYU BAIYU Holdings, Inc. $0.18 -1.65% $8.94M 38
CINR Sisecam Resources LP $20.31 -0.15% $402M 48
GRFX Graphex Group Limited $0.96 +4.78% $402M 41
GSS Golden Star Resources Ltd. $3.90 +0.26% $451M 48
LAAC Lithium Americas (Argentina) Corp. $2.74 -1.79% $444M 47
CTJHF CITIC Resources Holdings Limited $0.05 +0.00% $393M 59
NQMIY NQ Minerals Plc $70.00 +40.00% $380M 59
LZM Lifezone Metals Limited $4.06 +0.25% $365M 62

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are PLM's Key Strengths?

Large polymetallic resource base at the NorthMet project.

  • Strategic location in the United States.
  • Access to financial and technical resources through Glencore AG.
  • Potential to become a significant domestic supplier of critical minerals.

What Are PLM's Weaknesses?

Development-stage company with no current revenue generation.

  • Reliance on successful permitting and project financing.
  • Exposure to fluctuating commodity prices.
  • Environmental and social risks associated with mining operations.

What Could Drive PLM Stock Higher?

Receipt of final permits for the NorthMet project, expected within the next 1-2 years.

  • Securing project financing for the construction and development of the NorthMet project.
  • Advancing engineering and design work for the NorthMet project.
  • Engaging with regulatory agencies and stakeholders to address environmental concerns.

What Are the Key Risks for PLM?

Negative return on equity (-9.9%) — the business is not currently generating profit on shareholder capital.

  • Delays or rejection of permits for the NorthMet project.
  • Fluctuations in commodity prices, impacting project economics.
  • Environmental regulations and legal challenges.
  • Competition from other mining companies.
  • Operational risks associated with mining operations.

What Are the Growth Opportunities for PLM?

  • Securing Final Permits: Obtaining the remaining permits for the NorthMet project is crucial for advancing the project toward construction and operation. Successful completion of the permitting process would de-risk the project and unlock significant value. This process is ongoing and could be completed within the next 1-2 years, pending regulatory approvals and legal challenges. The market size for the metals to be produced is estimated to be in the billions of dollars annually.
  • Project Financing: Securing project financing is essential for funding the construction and development of the NorthMet project. PolyMet's relationship with Glencore AG could facilitate access to capital. Successful financing would enable the company to move forward with project development and capitalize on the growing demand for critical minerals. This is an ongoing process with a potential timeline of 1-2 years.
  • Construction and Development: Commencing construction and development of the NorthMet project would transform PolyMet from a development-stage company into a producing miner. This would involve significant capital investment and technical expertise. The timeline for construction and development is estimated to be 2-3 years, following the completion of permitting and financing. The market opportunity is substantial, given the increasing demand for copper, nickel, and cobalt.
  • Strategic Partnerships: Forming strategic partnerships with other mining companies or end-users could provide PolyMet with access to additional capital, technical expertise, and market access. These partnerships could accelerate the development of the NorthMet project and enhance its long-term viability. This is an ongoing opportunity with no specific timeline.
  • Expansion of Resource Base: Exploring and expanding the resource base at the NorthMet project could increase the project's economic viability and extend its mine life. This would involve additional drilling and geological studies. The timeline for resource expansion is ongoing and could contribute to the project's long-term value. The market size for additional resources is dependent on metal prices and extraction costs.

What Are PLM's Competitive Advantages?

  • Strategic location of the NorthMet project in the United States.
  • Access to a large polymetallic deposit with significant mineral resources.
  • Relationship with Glencore AG, providing financial and technical support.
  • Permitting advantages as one of the first large-scale projects of its kind in the region.

What Does PLM Do?

PolyMet Mining Corp., through its subsidiary Poly Met Mining, Inc., is dedicated to the exploration and development of natural resource properties. Founded in 1981 and formerly known as Fleck Resources Ltd., the company shifted its focus to polymetallic resources, changing its name in 1998. The company's primary asset is the NorthMet project, a vast polymetallic deposit spanning approximately 4,300 acres in northeastern Minnesota. This project hosts significant mineralization of copper, nickel, cobalt, gold, silver, and platinum group metals, positioning PolyMet as a potential key player in the supply of these critical materials. Headquartered in Saint Paul, Minnesota, PolyMet operates as a subsidiary of Glencore AG, a global commodity trading and mining company. This relationship provides PolyMet with access to significant financial and technical resources. The NorthMet project aims to extract and process these metals, catering to the growing demand from various industries, including electric vehicles, electronics, and renewable energy technologies. PolyMet's strategic location in the United States is intended to reduce reliance on foreign sources for these essential metals, enhancing domestic supply chain security. The company is currently focused on advancing the NorthMet project through the permitting process and preparing for construction and operations.

What Products and Services Does PLM Offer?

  • Explores and develops natural resource properties.
  • Focuses on the NorthMet project in northeastern Minnesota.
  • Aims to extract copper, nickel, cobalt, gold, silver, and platinum group metals.
  • Seeks to become a domestic supplier of critical minerals.
  • Navigates the permitting process for the NorthMet project.
  • Prepares for construction and operation of the mine.

How Does PLM Make Money?

  • Exploration and development of polymetallic resources.
  • Extraction and processing of metals from the NorthMet project.
  • Sales of copper, nickel, cobalt, and precious metals to industrial customers.
  • Securing project financing through debt and equity.

What Industry Does PLM Operate In?

PolyMet Mining Corp. operates within the industrial materials sector, specifically focused on the mining and development of polymetallic resources. The industry is characterized by high capital costs, long development timelines, and significant regulatory oversight. The demand for metals like copper, nickel, and cobalt is projected to grow substantially, driven by the increasing adoption of electric vehicles and renewable energy technologies. Competitors include both large, diversified mining companies and smaller, development-stage companies. PolyMet's NorthMet project aims to capitalize on the growing demand for domestically sourced critical minerals.

Who Are PLM's Key Customers?

  • Electric vehicle manufacturers.
  • Electronics manufacturers.
  • Renewable energy technology companies.
  • Metal traders and processors.
AI Confidence: 71% Updated: Mar 17, 2026
F-Score 4/9

Financial Health

PolyMet Mining Corp.'s Piotroski F-Score is 4/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of 5.85 places it in the safe zone, indicating low near-term bankruptcy risk.

PLM Valuation & Market Position

With a $408M market cap, PolyMet Mining Corp. sits in the small-cap segment of the market.

ROE -10%

Key Financial Metrics

Return on equity for PolyMet Mining Corp. stands at -9.9%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -6.9%, showing how much profit it generates from its asset base. Its free cash flow yield is -5.7%, a gauge of the cash the business throws off relative to its market value. A current ratio of 0.13 means current liabilities exceed short-term assets, a liquidity point worth watching. Its earnings yield is -14.8%, the inverse of the P/E and a quick read on earnings relative to price.

Company Profile

PolyMet Mining Corp. operates in the Industrial Materials industry within the Basic Materials sector. It is headquartered in Saint Paul, US. The company is led by CEO Jonathan Cherry. PLM has traded publicly since 2000.

PLM Financials

Fundamental Snapshot

Return on Equity (TTM)
-9.9%
Current Ratio
0.1

Based on FMP financials and quantitative analysis

Bull Case vs Bear Case

Bull Case

  • Recent insider buying suggests confidence in PolyMet's future, indicating that key stakeholders believe in the company's potential.
  • Community sentiment has shifted positively, with discussions around the environmental benefits of copper-nickel mining gaining traction.
  • The ongoing demand for metals used in renewable energy technologies supports a bullish outlook for PolyMet's operations.
  • Recent partnerships and collaborations have strengthened market perception, highlighting the company's commitment to sustainable mining practices.

Bear Case

  • Concerns about regulatory hurdles continue to loom, creating uncertainty around project timelines and operational feasibility.
  • Community sentiment has also reflected skepticism regarding the environmental impact of mining, leading to mixed opinions.
  • Market perception remains cautious due to historical volatility in mining stocks, which can deter potential investors.
  • Insider selling activity in the past raised red flags about management's confidence, potentially shaking investor trust.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

PLM Latest News

No recent news available for PLM.

Leadership: Jonathan Cherry

CEO

Jonathan Cherry serves as the CEO of PolyMet Mining Corp. His background encompasses extensive experience in the mining and natural resources sector. He has held various leadership positions, demonstrating expertise in project management, corporate strategy, and stakeholder relations. His career reflects a focus on advancing mining projects through complex regulatory environments and securing project financing. He is responsible for managing 21 employees.

Track Record: Under Jonathan Cherry's leadership, PolyMet Mining Corp. has focused on advancing the NorthMet project through the permitting process and securing project financing. Key milestones include navigating environmental reviews and engaging with regulatory agencies. His strategic decisions have aimed to position PolyMet as a key domestic supplier of critical minerals. He has overseen the company's efforts to address environmental concerns and engage with local communities.

PolyMet Mining Corp. Basic Materials Stock: Key Questions Answered

What happened to PolyMet Mining Corp. (PLM) stock?

PolyMet Mining Corp. (PLM) no longer trades on public markets. It was delisted in November 2023. The figures below are historical and are not a current quote.

Can I still buy PLM shares?

No. PLM stopped trading on public markets in November 2023, so the shares are not available through a broker. Anything you see quoted for PLM elsewhere is historical data, not a live market.

Are the figures on this page current?

No. Every number here is the last value recorded before PLM stopped trading. Nothing on this page updates, and none of it is a current quote.

Why does this page still exist?

Because people still search for what happened to PolyMet Mining Corp.. An archived profile that states the delisting plainly is more useful than a dead link — provided it is labelled as history, which is what this page does.

What does PolyMet Mining Corp. do?

PolyMet Mining Corp. is a development-stage mining company focused on the exploration and development of the NorthMet project in northeastern Minnesota. The project aims to extract copper, nickel, cobalt, gold, silver, and platinum group metals from a large polymetallic deposit.

What are the main risks for PLM?

The main risks for PolyMet Mining Corp. include regulatory risks associated with obtaining and maintaining permits for the NorthMet project. Environmental regulations and legal challenges could delay or impede the project's progress. Commodity price risk is also significant, as fluctuations in the prices of copper, nickel, and cobalt could impact the project's economics. Additionally, operational risks associated with mining operations and competition from other mining companies pose challenges.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Analysis updated
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on publicly available sources and may be subject to change.
  • The company is a development-stage mining company with no current revenue generation.
  • Investment in the company is speculative and subject to significant risks.
Data Sources

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