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The Largest Healthcare Companies by Market Cap in May 2026
Eli Lilly (LLY +1.83%) is the most valuable healthcare company, with Johnson & Johnson (JNJ +0.05%) and AbbVie (ABBV +0.61%) rounding out the top three. Pharmaceutical companies dominate this market sector, comprising half of the largest healthcare companies by market cap. Let’s take a look at the companies that could be a financial cure-all for investors and their portfolios.
Image source: Getty Images.
Largest companies by market cap in the healthcare sector
(Editor’s note: Rankings are as of May 1, 2026.)
Data as of May 12, 2026. Showing 10 of 10 tickers.
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NYSE: LLY
Eli Lilly
Today’s Change
(1.96%) $18.54
Current Price
$966.99
Key Data Points
Market Cap
$911B
Day’s Range
$943.26 - $995.00
52wk Range
$623.78 - $1133.95
Volume
4.3K
Avg Vol
3.1M
Gross Margin
82.83%
Dividend Yield
0.64%
Pharmaceutical giant Eli Lilly is the world’s most valuable drug company. A chemist and veteran of the Union Army founded the company in 1876, and it later became the first to mass-produce insulin and the polio vaccine.
Some of its top products are diabetes medications, weight loss drugs, obesity treatments, and antidepressants such as Prozac. In April 2026, the FDA approved Foundayo, Eli Lilly’s GLP-1 weight loss pill.
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NYSE: JNJ
Johnson & Johnson
Today’s Change
(0.01%) $0.01
Current Price
$221.33
Key Data Points
Market Cap
$533B
Day’s Range
$220.37 - $223.17
52wk Range
$146.12 - $251.71
Volume
23
Avg Vol
8.1M
Gross Margin
67.96%
Dividend Yield
2.35%
Johnson & Johnson is one of the leading pharmaceutical and medical device companies. Its two primary business segments are Innovative Medicine, which develops and markets prescription drugs, and MedTech, which manufactures medical devices, including Acuvue contact lenses.
Johnson & Johnson also used to have a robust consumer healthcare division that produced Tylenol and many other household names. It spun off that division into a new business in 2023.
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NYSE: ABBV
AbbVie
Today’s Change
(0.62%) $1.25
Current Price
$202.80
Key Data Points
Market Cap
$359B
Day’s Range
$201.85 - $205.38
52wk Range
$176.57 - $244.81
Volume
146K
Avg Vol
6.9M
Gross Margin
70.58%
Dividend Yield
3.32%
AbbVie is a biotechnology company that develops treatments for serious diseases. It has produced therapies for illnesses, including autoimmune diseases, plaque psoriasis, blood cancers, and advanced Parkinson’s disease. It also acquired Capstan Therapeutics, a cell and gene therapy company, for $2.1 billion in mid-2025.
AbbVie is a relatively new company that was spun off from Abbott Laboratories (ABT -2.05%). It’s now one of the better dividend stocks in the healthcare sector. It has regularly raised its dividend payout, resulting in a high dividend yield.
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NYSE: UNH
UnitedHealth Group
Today’s Change
(1.17%) $4.46
Current Price
$384.44
Key Data Points
Market Cap
$349B
Day’s Range
$376.07 - $384.81
52wk Range
$234.60 - $384.81
Volume
8.8K
Avg Vol
8.5M
Dividend Yield
2.30%
UnitedHealth Group (UNH +1.17%) provides health insurance and healthcare services. It sells health insurance products through its UnitedHealthcare division and offers healthcare services through its Optum division.
Although UnitedHealth Group is one of the largest healthcare companies, it has faced several high-profile issues. A subsidiary, Change Healthcare, was responsible for the largest reported healthcare data breach in history in 2024. CEO Andrew Witty abruptly resigned in May 2025 for personal reasons, and the company also replaced its CFO in July 2025.
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NASDAQ: AZN
AstraZeneca Plc
Today’s Change
(0.00%) $0.00
Current Price
$0.00
Key Data Points
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NYSE: NVS
Novartis
Today’s Change
(-0.55%) $-0.80
Current Price
$145.23
Key Data Points
Market Cap
$266B
Day’s Range
$144.75 - $147.28
52wk Range
$104.93 - $170.46
Volume
1.3K
Avg Vol
2M
Gross Margin
74.58%
Dividend Yield
3.26%
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NYSE: MRK
Merck
Today’s Change
(-0.09%) $-0.10
Current Price
$111.28
Key Data Points
Market Cap
$275B
Day’s Range
$111.01 - $113.68
52wk Range
$73.31 - $125.14
Volume
2.1K
Avg Vol
9.8M
Gross Margin
73.44%
Dividend Yield
2.98%
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NASDAQ: AMGN
Amgen
Today’s Change
(-0.64%) $-2.11
Current Price
$329.59
Key Data Points
Market Cap
$178B
Day’s Range
$327.62 - $334.19
52wk Range
$261.43 - $391.29
Volume
1.9K
Avg Vol
2.6M
Gross Margin
71.51%
Dividend Yield
2.93%
Amgen (AMGN -0.64%) is a biotechnology and pharmaceutical company with a presence in about 100 countries. It focuses on areas of high unmet medical need and on conditions with limited treatment options. The company develops treatments in the following therapeutic areas: general medicine, rare disease, inflammation, and oncology.
Some of Amgen’s best-selling products include Enbrel, an anti-inflammatory medicine; Prolia, an osteoporosis treatment in women after menopause; and Otezla, a medicine for adults with moderate to severe plaque psoriasis.
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NYSE: TMO
Thermo Fisher Scientific
Today’s Change
(-2.67%) $-12.40
Current Price
$452.60
Key Data Points
Market Cap
$168B
Day’s Range
$447.88 - $466.79
52wk Range
$385.46 - $643.99
Volume
132
Avg Vol
2.2M
Gross Margin
40.13%
Dividend Yield
0.39%
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NASDAQ: GILD
Gilead Sciences
Today’s Change
(1.67%) $2.19
Current Price
$133.52
Key Data Points
Market Cap
$166B
Day’s Range
$130.98 - $134.86
52wk Range
$97.86 - $157.29
Volume
3.4K
Avg Vol
6.3M
Gross Margin
79.41%
Dividend Yield
2.39%
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FAQ
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About the Author
Lyle Daly is a contributing Motley Fool stock market analyst covering information technology and cryptocurrency. Lyle has been a contributor at the financial services company since 2018. His work has been featured on USA Today, Yahoo Finance, MSN, Fox Business, and Nasdaq. Before joining The Motley Fool, he wrote for financial brands including Intuit.
TMFLyleDaly
X@LyleDaly
Lyle Daly has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends AbbVie, Abbott Laboratories, Amgen, Kenvue, Merck, and Thermo Fisher Scientific. The Motley Fool recommends Johnson & Johnson, Solventum, and UnitedHealth Group. The Motley Fool has a disclosure policy.
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