Healthcare Sector

One of 11 S&P sectors or GICS (Global Industry Classification Standard) used by the financial community

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What is the Healthcare Sector?

The healthcare sector is one of 11 S&P sectors or GICS (Global Industry Classification Standard) used by the financial community. It is consistently in the top three most weighted sectors of the S&P 500 Index. The sector encompasses a wide range of businesses that pertain to the creation and provision of products and services related to healthcare.

Healthcare Sector - Image of the word healthcare and related concepts


  • The healthcare sector is one of 11 S&P sectors/GICS commonly used in finance. The sector encompasses multiple subsections to group different companies based on their primary activities.
  • Activities include manufacturing healthcare equipment & services, biotechnology, pharmaceuticals, life science tools, and more.
  • The healthcare sector is a smart addition to balance portfolios because it is not highly correlated to the business cycle like other sectors. However, investors in the sector must keep an eye out for government intervention and principal-agent problems.

Within the Healthcare Sector

Under the umbrella sector of healthcare, two industry groups and six industries can be further distinguished:

Healthcare Sector - GICS

Healthcare Equipment & Services

1. Healthcare Equipment and Supplies

Includes companies that manufacture equipment and supplies, ranging from the basics such as crutches and bandages to advanced equipment like MRI machines

2. Healthcare Provider and Services

Includes companies that own and operate healthcare facilities – hospitals, rehabilitation centers, nursing homes, and animal shelters

3. Healthcare Technology

Includes companies that engage in research and development (R&D), as well as analyzing data to innovate current healthcare practices

Pharmaceuticals, Biotechnology & Life Sciences

1. Biotechnology

Includes companies that perform research and development or manufacturing that are generally derived from living organisms

2. Pharmaceuticals

Includes companies that develop and produce drugs and vaccines that are generally derived from a chemical basis

3. Life Sciences Tools and Services

Includes companies that study living things and provide analytical tools, clinical testing services, and general contract research services

Investing in the Healthcare Sector

Because of the intertwining nature of public and private healthcare, the sector is often subject to government intervention. Private healthcare companies are incentivized to maximize profit, while the public’s objective is to serve the community.

The clashing of goals means that the government must carefully regulate the sector and ensure that citizens can gain adequate access to social service. The presence of political influence in the healthcare sector creates uncertainties for investors, so it is important to monitor policy changes and more.

Moreover, healthcare is a highly specialized field that only professionals within the industry would have intimate knowledge of. As a result, healthcare professionals are expected to act as a principal on behalf of the agent (the general population without specialized knowledge). Because principals wield asymmetrical information that impacts the agents, we expect principals to act in the best interest of the agents. However, the misalignment of incentives can result in principals pursuing other interests that can harm the agent.

For example, pharmaceutical giant Purdue Pharma pleaded guilty to pushing OxyContin that enabled the opioid crisis. They failed to assume their responsibility as a principal and instead pushed for profit maximization at the detriment of the agents. Occurrences of principal-agent problems not only harm the disadvantaged agents but also the principal and investors when their actions are brought to light.

Even with the inherent risks involved, the healthcare sector can be a safe haven and growth opportunity for investors. Because demand for healthcare is price inelastic – meaning demand will be relatively stable when prices fluctuate – the healthcare sector is quite resistant to the ups and downs of the business cycle.

Furthermore, healthcare is constantly being innovated, as seen in the race for the COVID-19 vaccine and the rapid shift to virtual healthcare in response to the pandemic. The aforementioned risk with politics and irregular occurrences of principal-agent problems tend to demonstrate a low correlation with other sectors. Therefore, healthcare can be a great investment to diversify portfolios.

Additional Resources

CFI offers the Lending to Medical Professionals Course that examines the unique risks and opportunities for a financial institution when lending to medical professionals.

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