Merck & Co., Inc.

MRK · NYSE · S&P 500 · Drug Manufacturers - General

$148.23

+7.30 · +5.18% today

Market open · updated 12:44:26 PM ET

Oct 28, 2026 −1.03%

High
$142.16 10:50 AM
Low
$140.20 12:25 PM

Against the S&P 500 Price change through Oct 27, 2026

This year

MRK+34.73%

S&P 500+12.87%

1 year

MRK+61.16%

S&P 500+12.32%

3 years

MRK+37.93%

S&P 500+87.41%

5 years

MRK+73.93%

S&P 500+69.55%

Key numbers

Previous close
$140.93
Open
$144.62
Day's range
$143.63 – $149.24
52-week range
$82.01 – $156.92
Volume
4.8 million
Average volume
10.3 million
Market value
$365.7 billion
Price to earnings
111.6last 12 months
Earnings per share
$1.28last 12 months
Beta
0.22moves less than the market
Dividend
$3.40 a year · 2.42%
50-day average
$146.97
200-day average
$126.32
Next earnings

Thursday, Oct 29, 2026, before the open.

Analyst price targets and the full financials are in the terminal.

Who Merck competes with From our value chain

Merck in the news

No desk stories on MRK yet. When we write about it, the story leads this list.

Earnings

Next report: Thursday, Oct 29, 2026, before the open.

Congress trades in MRK

3 purchases and 5 sales in the latest 8 filings.

MemberTradeAmountTradedDisclosed
Michael McCaulHouse · R-TexasSale$50,001 - $100,000Aug 28, 2026Oct 16, 2026
Ro KhannaHouse · D-CaliforniaSale$1,001 - $15,000Sep 4, 2026Oct 9, 2026
Ro KhannaHouse · D-CaliforniaPurchase$15,001 - $50,000Aug 7, 2026Sep 7, 2026
Keith SelfHouse · R-TexasSale$1,001 - $15,000Jan 10, 2025Jul 1, 2026
Josh GottheimerHouse · D-New JerseyPurchase$1,001 - $15,000Feb 4, 2026Mar 17, 2026
Michael McCaulHouse · R-TexasSale$15,001 - $50,000Jan 13, 2026Feb 12, 2026
Julie JohnsonHouse · D-TexasSale$1,001 - $15,000Dec 18, 2025Jan 16, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Dec 19, 2025Jan 13, 2026

Source: Periodic transaction reports filed with the House and the Senate · Members disclose ranges, not exact amounts, and may file weeks after the trade.

About Merck

Merck & Co., Inc. is a global healthcare leader with operations spanning two core divisions: Pharmaceuticals and Animal Health. The Pharmaceutical segment is dedicated to human health, offering a broad spectrum of medicinal products. These cover crucial therapeutic areas such as oncology, acute hospital care, immunology, neuroscience, virology, cardiovascular conditions, and diabetes.

Sector
Healthcare
Industry
Drug Manufacturers - General
Employees
74,000
Headquarters
Rahway, New Jersey
Website
merck.com
Listed
Jan 13, 1978

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