Merck & Co., Inc. (MRK)
Live and historical stock data for Merck & Co., Inc., delivered through Axion's financial data API - pricing, fundamentals, SEC filings, ownership, ETF exposure and sentiment in one JSON response.
Merck & Co., Inc. operates as a healthcare company worldwide. It offers human health pharmaceutical for various areas under the Keytruda, Keytruda Qlex, Welireg, Gardasil, ProQuad, M-M-R II, Varivax, Vaxneuvance, Capvaxive, RotaTeq, Pneumovax 23, Bridion, Prevymis, Dificid, Zerbaxa, Winrevair, Adempas/ Verquvo, Ohtuvayre, Lagevrio, Isentr…
GET /stocks/MRK/pricesMRK Price History
Weekly close prices for Merck & Co., Inc., pulled directly from Axion's historical market data API.
MRK Fundamentals - Financial Analytics API
Multi-year Merck & Co., Inc. financial statement data, structured for a quantitative finance API workflow - no PDF parsing or scraping required.
GET /financials/MRK/revenueRevenue & Net Income
Annual revenue vs. net income, sourced from SEC filings.
- Net Income
- Revenue
GET /financials/MRK/cashflow/freeFree Cash Flow vs. CapEx
Cash generated after operating costs vs. capital reinvested into the business.
- CapEx
- Free Cash Flow
GET /financials/MRK/epsEPS Trend (TTM)
Trailing twelve-month earnings per share, by report date.
GET /financials/MRK/roe · /deProfitability & Leverage
Return on equity vs. debt-to-equity, by report date.
- Debt/Equity
- ROE
MRK Valuation - Investment Research API
DCF fair value, analyst consensus and the 52-week trading range for MRK, built for investment research API and trading data API use cases.
GET /financials/dcf/MRK/valueMargin of safety: 0.9%
GET /profiles/MRK/summary52W Range: $76.66 - $130.29
GET /profiles/MRK/recommendationAnalyst Consensus Trend
Strong buy / buy / hold / sell counts across recent trailing periods.
- Buy
- Hold
- Sell
- Strong Buy
ETF & Fund Exposure to MRK
Every mutual fund and ETF reporting a position in MRK, searchable by fund name - a direct look at institutional financial data API coverage for this ticker.
GET /insiders/MRK/funds| Fund / ETF | Shares Held | % Held | Value |
|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | - | 3.2% | $10.09B |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | - | 2.5% | $8.10B |
| iShares Trust-iShares Core S&P 500 ETF | - | 1.3% | $4.13B |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | - | 1.3% | $4.08B |
| SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust | - | 1.2% | $3.85B |
| SCHWAB STRATEGIC TRUST-Schwab US Dividend Equity ETF | - | 1.2% | $3.78B |
| VANGUARD INDEX FUNDS-Vanguard Value Index Fund | - | 0.9% | $2.94B |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | - | 0.7% | $2.35B |
| SELECT SECTOR SPDR TRT-State Street Health Care Select Sector SPDR ETF | - | 0.7% | $2.22B |
| VANGUARD INSTITUTIONAL INDEX FUNDS-Vanguard Institutional Index Fund | - | 0.6% | $1.80B |
Companies Linked to MRK - Trading Data API
Peers, suppliers and customers mapped from Axion's supply chain API, useful for building correlated, cross-company trading data API signals.
- Merck and Co IncMRK
- Cryoport incCYRX
- Codexis incCDXS
- Rayonier Advanced Materials IncRYAM
- Astrotech CorpASTC
- Ascent Industries CoACNT
- Merck And Co IncMRK
- Petco Health And Wellness Company IncWOOF
- Aflac IncorporatedAFL
- Assurant IncAIZ
- Axis Capital Holdings LimitedAXS
- The Cigna GroupCI
- Tenaya Therapeutics, Inc.TNYA
- Biomea Fusion IncBMEA
- CNS Pharmaceuticals, Inc.CNSP
- NanoViricides, Inc.NNVC
- Genprex IncGNPX
- Neumora Therapeutics, Inc.NMRA
MRK Ownership - Institutional Financial Data API
Insider, institutional and public ownership breakdown, plus the latest insider transactions.
GET /insiders/MRK/ownership- Insiders
- Institutions
- Public / Other
| Insider | Activity | Shares | Value |
|---|---|---|---|
| SMART DALTON E. III | Conversion of Exercise of derivative security at price 112.16 per share. | 383 | $43.0K |
| MARALDO DAVID R. | Conversion of Exercise of derivative security at price 112.16 per share. | 552 | $61.9K |
| LARSON BETTY D | 13.4K | - | |
| SMART DALTON E. III | Conversion of Exercise of derivative security at price 110.03 - 110.95 per share. | 1.4K | $155.3K |
| DAVIS ROBERT M | 13.3K | - |
MRK ESG Scores
Environmental, social, governance and controversy scores, pulled from the same financial data API.
GET /esg/MRKESG Score Breakdown
MRK Market Sentiment - Financial Intelligence API
News, social and analyst sentiment for MRK, refreshed continuously.
GET /sentiment/MRK/newsGET /sentiment/MRK/socialGET /sentiment/MRK/analystGET /filings/MRKRecent SEC Filings
- 4Aug 13, 2026
- 144Aug 13, 2026
- 4Aug 13, 2026
- 144Aug 12, 2026
- 144Aug 12, 2026
GET /news/MRKLatest News
- Could Merck & Co., Inc. (MRK) and Gilead Sciences, Inc. (GILD)’s Partnership Create the Next Big Pharma Growth Engine - Yahoo Finance Thu, 13 Aug 2026 21:46:08 GMT
- Merck & Co., Inc. $MRK Shares Sold by Gateway Investment Advisers LLC - MarketBeat Fri, 14 Aug 2026 09:55:28 GMT
- QUICK SPARK: Dell, JPMorgan, Merck All Mark New All-Time Highs - Benzinga Thu, 13 Aug 2026 21:19:49 GMT
- Merck EVP, general counsel Jennifer Zachary sells $10.7m in stock - Investing.com Fri, 14 Aug 2026 06:51:24 GMT
- Will Higher 2026 Guidance and New Approvals Shift Merck's (MRK) KEYTRUDA-Heavy Narrative? - simplywall.st Thu, 13 Aug 2026 15:44:13 GMT
See It In Action - API & Python Example
The same request that powers this page, in cURL, Python and JavaScript, plus an example chart rendered straight from the response.
curl https://api.axionquant.com/stocks/MRK/quote \
-H "Authorization: Bearer YOUR_API_KEY"GET /financials/MRK/revenueRendered from the response above
Revenue vs. net income - the exact data returned by the Python example.
- Historical prices (OHLCV)
- Financial statements & ratios
- DCF valuation & analyst consensus
- Insider & institutional ownership
- ETF & fund exposure
- ESG scores
- Supply chain & peers
- SEC filings
- News, social & analyst sentiment
- Company news
Why Developers Use Axion's Financial Data API
A single stock market API and market data API for pricing, fundamentals and alternative data - built for quant research API and institutional financial data API workflows.
One API, every asset class
Equities, ETFs, crypto, forex and futures through a single financial data API - no juggling vendors.
Institutional-grade fundamentals
Point-in-time financial statements sourced from SEC filings, built for an institutional financial data API workflow.
Built for backtesting
Daily and weekly historical market data going back years, ready for a quantitative finance API pipeline.
Alternative data included
ESG, sentiment, supply chain and insider activity - a financial intelligence API that goes beyond price.
Free tier, real docs
Explore the stock data API for free - grab a key and start pulling market data in minutes.
Research You Can Build on MRK
Starting points for quant research API and investment research API projects using this ticker.
Backtest a strategy on MRK
Pull MRK's full daily price history and combine it with fundamentals to backtest momentum or mean-reversion signals.
Build a DCF valuation model
Feed live revenue, free cash flow and discount-rate inputs into your own model, benchmarked against Axion's DCF fair value.
Screen for Health Technology peers
Use supply-chain and sector classification data to build a comparable-company screen around MRK.
Factor in ESG and sentiment
Combine ESG scores with news and social sentiment to test alternative-data factors against returns.
Track insider conviction
Monitor insider buying and selling activity, plus ETF and institutional ownership shifts, ahead of catalysts.
Map supply-chain risk
Trace MRK's suppliers and customers to model second-order exposure to sector shocks.
Explore More From Axion
One account, every dataset - browse the rest of Axion's market data API and alternative data catalog.
Built for Teams Like These
From independent researchers to institutional desks - Axion powers financial applications at every scale.
MRK Data, Built for Developers and Quant Teams
Merck & Co., Inc. pricing, fundamentals and alternative data are available through Axion's financial data API - a single, consistent stock data API and market data API covering equities, ETFs, crypto, forex and futures. Instead of stitching together a stock market API for pricing, a separate SEC filings feed, and a spreadsheet for fundamentals, pull MRK's revenue, EPS, insider activity, ETF exposure, ESG scores and DCF valuation from one financial analytics API.
Axion is built for institutional financial data API and quant research API workflows: point-in-time financial statements for backtesting, a historical market data API with daily and weekly granularity going back years, and an investment research API layer that surfaces analyst consensus, sentiment and ownership changes for MRK alongside every other ticker you track. Whether you're building a quantitative finance API pipeline, a trading data API for a systematic strategy, or a research dashboard, MRK's complete dataset is one authenticated request away.
Frequently asked questions
Does Axion offer a stock market API for MRK?
Yes. Axion's stock data API returns real-time quotes, historical prices, fundamentals, SEC filings, ownership and sentiment for MRK through a single financial data API key.
Can I pull MRK's historical market data programmatically?
Yes - the historical market data API returns daily, weekly, monthly, quarterly or yearly OHLCV bars for MRK, with no fixed lookback limit.
Is MRK's fundamental data suitable for quant research?
Yes. Revenue, net income, free cash flow, ROE and DCF valuation are exposed as structured JSON, ready for a quantitative finance API or quant research API pipeline - no scraping or PDF parsing required.
Can I see which ETFs and funds hold MRK?
Yes. Axion's institutional financial data API includes fund and ETF ownership, insider transactions and major-holder breakdowns for MRK, refreshed alongside SEC filings.