← Back to All US Stocks

Merck & Co., Inc. (MRK) Stock Fundamental Analysis & AI Rating 2026

MRK NYSE Pharmaceutical Preparations NJ CIK: 0000310158
Updated This Month • Analysis: Mar 19, 2026 • SEC Data: 2025-12-31
Combined AI Rating
BUY
80% Confidence
STRONG AGREEMENT
BUY
78% Conf
BUY
83% Conf

📊 MRK Key Takeaways

Revenue: $65.0B
Net Margin: 28.1%
Free Cash Flow: $12.4B
Current Ratio: 1.54x
Debt/Equity: 0.89x
EPS: $7.28
AI Rating: BUY with 78% confidence
Merck & Co., Inc. (MRK) receives a BUY rating with 80% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $65.0B, net profit margin of 28.1%, and return on equity (ROE) of 34.7%, Merck & Co., Inc. demonstrates strong fundamentals in the Healthcare sector. Below is our complete MRK stock analysis for 2026.

Is Merck & Co., Inc. (MRK) a Good Investment?

Claude

Merck demonstrates exceptional financial health with industry-leading profitability (28.1% net margin, 34.7% ROE) and robust cash generation ($12.4B FCF). The company maintains a strong balance sheet with solid liquidity (1.54x current ratio) and exceptional interest coverage (69.5x), supporting sustainable operations and shareholder returns despite minimal revenue growth.

ChatGPT

Merck shows high-quality profitability with a 32.4% operating margin, 28.1% net margin, 34.7% ROE, and strong interest coverage, indicating an efficient and financially resilient business. Free cash flow of $12.36B and solid liquidity support balance sheet flexibility, while modest 1.3% revenue growth suggests the core business remains stable but not currently in a high-growth phase.

Why Buy Merck & Co., Inc. Stock? MRK Key Strengths

Claude
  • + Outstanding profitability with 28.1% net margin and 32.4% operating margin, significantly above pharma industry averages
  • + Exceptional return on equity of 34.7% and ROA of 13.3%, demonstrating efficient capital deployment
  • + Strong free cash flow generation of $12.4B with 19.0% FCF margin, providing flexibility for R&D and shareholder distributions
  • + Fortress balance sheet with $14.6B cash, manageable 0.89x debt-to-equity ratio, and exceptional 69.5x interest coverage
  • + Solid liquidity position with 1.54x current ratio and 1.30x quick ratio supporting operational continuity
  • + Significant insider activity with 26 Form 4 filings in last 90 days suggesting management confidence
ChatGPT
  • + Excellent profitability, with very strong operating and net margins for a large pharmaceutical company
  • + Healthy financial position, including 1.54x current ratio, 1.30x quick ratio, and 69.5x interest coverage
  • + Robust cash generation, with $16.47B operating cash flow and $12.36B free cash flow

MRK Stock Risks: Merck & Co., Inc. Investment Risks

Claude
  • ! Minimal revenue growth of only 1.3% YoY raises concerns about top-line expansion and pipeline sustainability
  • ! Flat net income growth (0.0% YoY) despite EPS growth of 8.0% suggests earnings driven by share buybacks rather than operational improvement
  • ! High long-term debt of $46.8B represents meaningful leverage, requiring sustained cash flow to service obligations
  • ! Pharmaceutical sector faces persistent patent cliff, pricing pressure, and regulatory risks affecting future revenue stability
  • ! Limited visibility into gross margin trends (N/A in data) restricts analysis of underlying cost structure and pricing power
ChatGPT
  • ! Revenue growth is modest at 1.3% YoY, which may limit upside if the product portfolio does not reaccelerate
  • ! Leverage is meaningful, with $46.75B of long-term debt and debt-to-equity of 0.89x
  • ! Pharmaceutical fundamentals can be vulnerable to product concentration, patent expirations, and pipeline execution risk

Key Metrics to Watch

Claude
  • * Revenue growth acceleration - critical to validate pipeline productivity and organic growth sustainability
  • * Operating cash flow trends - essential to confirm cash generation quality and dividend/buyback sustainability
  • * R&D spending efficiency and pipeline advancement - measures future competitive positioning in pharmaceutical market
  • * Debt reduction progress - important given $46.8B obligation and ability to refinance in changing rate environment
  • * Free cash flow conversion rate - validates profitability quality and capital allocation discipline
ChatGPT
  • * Revenue growth and diluted EPS growth
  • * Free cash flow generation and debt levels

Merck & Co., Inc. (MRK) Financial Metrics & Key Ratios

Revenue
$65.0B
Net Income
$18.3B
EPS (Diluted)
$7.28
Free Cash Flow
$12.4B
Total Assets
$136.9B
Cash Position
$14.6B

💡 AI Analyst Insight

Merck & Co., Inc. presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

MRK Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 32.4%
Net Margin 28.1%
ROE 34.7%
ROA 13.3%
FCF Margin 19.0%

MRK vs Healthcare Sector: How Merck & Co., Inc. Compares

How Merck & Co., Inc. compares to Healthcare sector averages

Net Margin
MRK 28.1%
vs
Sector Avg 12.0%
MRK Sector
ROE
MRK 34.7%
vs
Sector Avg 15.0%
MRK Sector
Current Ratio
MRK 1.5x
vs
Sector Avg 2.0x
MRK Sector
Debt/Equity
MRK 0.9x
vs
Sector Avg 0.6x
MRK Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Merck & Co., Inc. Stock Overvalued? MRK Valuation Analysis 2026

Based on fundamental analysis, Merck & Co., Inc. appears fundamentally strong relative to the Healthcare sector in 2026.

Return on Equity
34.7%
Sector avg: 15%
Net Profit Margin
28.1%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.89x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Merck & Co., Inc. Balance Sheet: MRK Debt, Cash & Liquidity

Current Ratio
1.54x
Quick Ratio
1.30x
Debt/Equity
0.89x
Debt/Assets
0.0%
Interest Coverage
69.53x
Long-term Debt
$46.8B

MRK Revenue & Earnings Growth: 5-Year Financial Trend

MRK 5-year financial data: Year 2021: Revenue $48.7B, Net Income $9.8B, EPS $3.81. Year 2022: Revenue $59.3B, Net Income $7.1B, EPS $2.78. Year 2023: Revenue $60.1B, Net Income $13.0B, EPS $5.14. Year 2024: Revenue $64.2B, Net Income $14.5B, EPS $5.71. Year 2025: Revenue $65.0B, Net Income $365.0M, EPS $0.14.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Merck & Co., Inc.'s revenue has grown significantly by 33% over the 5-year period, indicating strong business expansion. The most recent EPS of $0.14 reflects profitable operations.

MRK Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
19.0%
Free cash flow / Revenue

MRK Quarterly Earnings & Performance

Quarterly financial performance data for Merck & Co., Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $16.7B $3.2B $1.24
Q2 2025 $15.8B $4.4B $1.76
Q1 2025 $15.5B $4.8B $1.87
Q3 2024 $16.0B $1.6B $0.62
Q2 2024 $15.0B -$3.2B $-1.24
Q1 2024 $14.5B $2.8B $1.11
Q3 2023 $15.0B $1.6B $0.62
Q2 2023 $14.6B -$3.2B $-1.24

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Merck & Co., Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$16.5B
Cash generated from operations
Stock Buybacks
$5.1B
Shares repurchased (TTM)
Capital Expenditures
$4.1B
Investment in assets
Dividends Paid
$8.2B
Returned to shareholders

MRK SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Merck & Co., Inc. (CIK: 0000310158)

📋 Recent SEC Filings

Date Form Document Action
Apr 8, 2026 DEF 14A d85708ddef14a.htm View →
Apr 1, 2026 4 xslF345X06/form4.xml View →
Apr 1, 2026 4 xslF345X06/form4.xml View →
Apr 1, 2026 4 xslF345X06/form4.xml View →
Feb 24, 2026 10-K mrk-20251231.htm View →

Frequently Asked Questions about MRK

What is the AI rating for MRK?

Merck & Co., Inc. (MRK) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 80% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are MRK's key strengths?

Claude: Outstanding profitability with 28.1% net margin and 32.4% operating margin, significantly above pharma industry averages. Exceptional return on equity of 34.7% and ROA of 13.3%, demonstrating efficient capital deployment. ChatGPT: Excellent profitability, with very strong operating and net margins for a large pharmaceutical company. Healthy financial position, including 1.54x current ratio, 1.30x quick ratio, and 69.5x interest coverage.

What are the risks of investing in MRK?

Claude: Minimal revenue growth of only 1.3% YoY raises concerns about top-line expansion and pipeline sustainability. Flat net income growth (0.0% YoY) despite EPS growth of 8.0% suggests earnings driven by share buybacks rather than operational improvement. ChatGPT: Revenue growth is modest at 1.3% YoY, which may limit upside if the product portfolio does not reaccelerate. Leverage is meaningful, with $46.75B of long-term debt and debt-to-equity of 0.89x.

What is MRK's revenue and growth?

Merck & Co., Inc. reported revenue of $65.0B.

Does MRK pay dividends?

Merck & Co., Inc. pays dividends, with $8,176.0M distributed to shareholders in the trailing twelve months.

Where can I find MRK SEC filings?

Official SEC filings for Merck & Co., Inc. (CIK: 0000310158) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is MRK's EPS?

Merck & Co., Inc. has a diluted EPS of $7.28.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is MRK a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Merck & Co., Inc. has a BUY rating with 80% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is MRK stock overvalued or undervalued?

Valuation metrics for MRK: ROE of 34.7% (sector avg: 15%), net margin of 28.1% (sector avg: 12%). Higher ROE suggests strong returns relative to peers.

Should I buy MRK stock in 2026?

Our dual AI analysis gives Merck & Co., Inc. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is MRK's free cash flow?

Merck & Co., Inc.'s operating cash flow is $16.5B, with capital expenditures of $4.1B. FCF margin is 19.0%.

How does MRK compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin 28.1% (avg: 12%), ROE 34.7% (avg: 15%), current ratio 1.54 (avg: 2).

Why is MRK's return on equity (ROE) so high?

Merck & Co., Inc. has a return on equity of 34.7%, significantly above the Healthcare sector average of 15%. A high ROE indicates the company is efficient at generating profits from shareholder equity. This is supported by a 28.1% net margin.

Top Rated Stocks
NSSC 92% MLI 92% MELI 92% MDXG 92% MANH 92% INVA 92% GGG 92% GCT 92% FTNT 92% FSLR 92%
Sector: All Healthcare Stocks →
Browse: Buy Stocks High Confidence Stocks High ROE Stocks
Compare: MRK vs JNJ MRK vs UNH MRK vs LLY
Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 19, 2026 | Data as of: 2025-12-31 | Powered by Claude AI