Based on key financial metrics such as the price-to-sales ratio, shareholder yield and the price-earnings ratio, the following 4 stocks made the list for top value stocks in the Pharmaceuticals industry. Those looking for value stocks to add to their portfolio may want to use this list as a starting point for further investment research.

Why Focus on Undervalued Pharmaceuticals Stocks?

Value investors seek to buy stocks at a discount to their intrinsic value. Long-term returns show that such strategies are advantageous. Value stocks, as a group, tend to outperform growth stocks over extended periods of time. Typically, value investors perform financial analysis of numerous metrics, don’t follow the herd and are long-term investors.

AAII’s A+ Investor Value Grade is derived from a stock’s Value Score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

What Goes Into AAII’s Value Grade?

Stock evaluation requires access to huge amounts of data as well as the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movement. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors with that task.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A–F grades for more than just value. It is possible for a stock to appear cheap based on one valuation metric but appear expensive on another. It is also possible for one valuation ratio to be associated with outperforming stocks during certain periods of time but not others. Some stocks may even have null values for certain metrics like the price-earnings ratio or the price-to-book ratio but not others. An example of this would be a company with losses instead of profits or a negative book value because of heavy borrowing. Negative earnings or book value result in non-meaningful ratios that are left blank or null.

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4 Undervalued Pharmaceuticals Stocks

Of course, there are countless value stocks that are worth mentioning, but this is a concise list of the top 4 undervalued stocks in the Pharmaceuticals industry for Monday, August 17, 2026. Let’s take a closer look at their individual scores to see how they measure up against each other and the Pharmaceuticals industry median.

The Value Grade is assigned based on how each stock’s composite valuation compares to all other stocks.

The process for assigning grades starts with each variable for a given stock. The percentile rankings for all valid ratios that a stock has are calculated. So, for instance, a stock could have a price-to-book ranking in the 43rd percentile, a price-earnings ranking in the 67th percentile, a price-to-sales ranking in the 23rd percentile, etc. Then, those rankings are averaged for each stock. (A minimum of two valid variables are required, though all six will be used if available.)

Once the average of the individual variables is calculated, that average is ranked against all stocks. Put another way, each stock’s composite valuation is compared to all other stocks. These ranks are then sorted into quintiles from the cheapest 20% (a grade of A) to the most expensive 20% (a grade of F).

As always, we recommend that you conduct proper due diligence and research before investing in any security. We also suggest that investors utilize numerous grades, not just value, when it comes to deciding whether a company is a good fit for their allocation needs.

Apnimed, Inc.’s Value Grade

Value Grade:

Apnimed, Inc. operates as a clinical pharmaceutical company that develops and manufactures novel oral therapies that address the neurobiology of sleep-related breathing diseases in global markets. Its products include AD109, an oral therapy designed to treat obstructive sleep apnea (OSA) by targeting the underlying neuromuscular dysfunction. The company was incorporated in 2017 and is based in Cambridge, Massachusetts.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Apnimed, Inc. has a Value Score of 63, which is considered to be undervalued.

Apnimed, Inc.’s price-earnings ratio is 4.70 compared to the industry median at 17.20. This means it has a lower share price relative to earnings compared to its peers. This could make Apnimed, Inc. more attractive for value investors.

Now, let’s assess Apnimed, Inc.’s EV/EBITDA ratio, also known as enterprise multiple. At 17.3, when compared to the industry median of 10.3, the company may be considered overvalued in relation to its peers. Value investors could use the enterprise multiple to identify stocks that are considered overvalued or undervalued relative to their industry.

Shareholder yield is the sum of a stock’s dividend yield (paid over previous 12 months minus special dividends) and the percentage of net share buybacks over the previous 12 months. Apnimed, Inc.’s shareholder yield is higher than its industry median ratio of (8.40%). Value investors may look for an attractive shareholder yield because it can be a powerful tool for identifying if the company has a good management team.

Collegium Pharmaceutical, Inc.’s Value Grade

Value Grade:

Collegium Pharmaceutical, Inc., a specialty pharmaceutical company, engages in the development and commercialization of medicines for pain management. The company’s portfolio includes Jornay PM, a central nervous system stimulant prescription medicine that contains methylphenidate HCl for the treatment of attention deficit hyperactivity disorder; Belbuca, a buccal film that contains buprenorphine for severe and persistent pain that requires an extended treatment period; Xtampza ER, an abuse-deterrent, extended-release, oral formulation of oxycodone for the management of pain severe enough to require daily; Nucynta ER and Nucynta IR, which are extended-release and immediate-release oral formulations of tapentadol, indicated for the management of acute, severe, and persistent pain; and Symproic, an oral formulation of naldemedine for the treatment of opioid-induced constipation in adult patients with chronic non-cancer pain. Collegium Pharmaceutical, Inc. was formerly known as Collegium Pharmaceuticals, Inc. and changed its name to Collegium Pharmaceutical, Inc. in October 2003. The company was incorporated in 2002 and is headquartered in Stoughton, Massachusetts.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Collegium Pharmaceutical, Inc. has a Value Score of 60, which is considered to be fairly valued.

Collegium Pharmaceutical, Inc.’s price-earnings ratio is 20.1 compared to the industry median at 17.2. This means that it has a higher price relative to its earnings compared to its peers. This makes Collegium Pharmaceutical, Inc. less attractive for value investors.

Collegium Pharmaceutical, Inc.’s price-to-book ratio is lower than its peers. This could make Collegium Pharmaceutical, Inc. fairly attractive for value investors when compared to the industry median at 2.89.

You can read more about Collegium Pharmaceutical, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Indivior Pharmaceuticals, Inc.’s Value Grade

Value Grade:

Indivior Pharmaceuticals, Inc., together with its subsidiaries, engages in the development, manufacture, and sale of buprenorphine-based prescription drugs for the treatment of opioid dependence and related disorders in the United States, Europe, Canada, Australia, and internationally. It develops medicines to treat substance use disorders. The company’s core marketed products include SUBLOCADE buprenorphine extended-release monthly injections; and SUBOXONE Film, a buprenorphine and naloxone sublingual film. It also manufactures SUBOXONE Tablet, a buprenorphine and naloxone sublingual tablet; and SUBUTEX Tablet, a buprenorphine sublingual tablet for the treatment of opioid use disorder (OUD). In addition, the company is developing INDV-2000, a selective orexin-1 receptor antagonist that is in Phase 2 clinical trial for the treatment of moderate to severe OUD; and INDV-6001, a buprenorphine-based long-acting injectable for the treatment of OUD in collaboration with Alar Pharmaceuticals Inc. The company was formerly known as Indivior PLC. and changed its name to Indivior Pharmaceuticals, Inc. in January 2026. Indivior Pharmaceuticals, Inc. was incorporated in 2014 and is headquartered in North Chesterfield, Virginia.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Indivior Pharmaceuticals, Inc. has a Value Score of 79, which is considered to be undervalued.

Indivior Pharmaceuticals, Inc.’s price-earnings ratio is 14.1 compared to the industry median at 17.2. This means that it has a lower price relative to its earnings compared to its peers. This makes Indivior Pharmaceuticals, Inc. more attractive for value investors.

You can read more about Indivior Pharmaceuticals, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Prestige Consumer Healthcare Inc.’s Value Grade

Value Grade:

Prestige Consumer Healthcare Inc., together with its subsidiaries, develops, manufactures, markets, distributes, and sells over the counter (OTC) health and personal care products in North America, Australia, and internationally. It operates in two segments, North American OTC Healthcare and International OTC Healthcare. The company offers analgesic powders under the BC and Goody's brand; various diaper rash treatments and skin protectants for babies under the Boudreaux's Butt Paste brand name; sprays and lozenges to relieve sore throats and mouth pain under the Chloraseptic brand; eye care products that provide relief from redness and itchiness under the Clear Eyes brand name; at-home removal of common and plantar warts under the Compound W brand; and ear wax removal products under the Debrox brand name. It also provides dental guards, floss picks, interdental brushes, dental repair and kits, and tongue cleaners under the DenTek brand; motion sickness relief products under the Dramamine brand; enemas and other laxative products under the Fleet brand name; stomach upset remedies under the Gaviscon brand; cough drops under the Luden's brand; products for yeast infections in women under the Monistat brand name; lice and parasite treatments under the Nix name; feminine care products, including washes, cloths, and sprays under the Summer's Eve brand; products for dry eyes under the TheraTears brand; nasal saline sprays and washes under the Fess brand name; and oral rehydration products under the Hydralyte brand. It sells its products to mass merchandisers; and drug, food, dollar, convenience, and club stores, as well as e-commerce channels. The company was formerly known as Prestige Brands Holdings, Inc. and changed its name to Prestige Consumer Healthcare Inc. in August 2018. Prestige Consumer Healthcare Inc. was founded in 1996 and is headquartered in Tarrytown, New York.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Prestige Consumer Healthcare Inc. has a Value Score of 81, which is considered to be undervalued.

Prestige Consumer Healthcare Inc.’s price-earnings ratio is 14.4 compared to the industry median at 17.2. This means that it has a lower price relative to its earnings compared to its peers. This makes Prestige Consumer Healthcare Inc. more attractive for value investors.

Prestige Consumer Healthcare Inc.’s price-to-book ratio is higher than its peers. This could make Prestige Consumer Healthcare Inc. less attractive for value investors when compared to the industry median at 2.89.

You can read more about Prestige Consumer Healthcare Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Other Pharmaceuticals Stock Grades

Value is just one of the five Stock Grades included in our A+ Investor service. AAII members can see the top-graded stocks—those with grades of A or B for value, growth, momentum, earnings estimate revisions and quality—on the A+ Stock Grades Screener.

Also, if you want full access to all of AAII’s premium services, you can subscribe to one convenient bundled plan called AAII Platinum where you can try out A+ Investor, AAII Dividend Investing, the Stock Superstars Report, Growth Investing and VMQ Stocks. With the other premium services, you can dive deep into additional metrics, portfolios, commentary and information about Pharmaceuticals stocks as well as other industrys.

Choosing Which of the 4 Best Pharmaceuticals Stocks Is Right for You

Choosing which value stocks to invest in will ultimately depend on your individual goals and allocation; however, comparing similar value stocks in the same industry can help you analyze which might be better investments for you in the long run. So, let’s take a look at the Value Grade for all of our stocks.

• Apnimed, Inc. stock has a Value Grade of B.
• Collegium Pharmaceutical, Inc. stock has a Value Grade of C.
• Indivior Pharmaceuticals, Inc. stock has a Value Grade of B.
• Prestige Consumer Healthcare Inc. stock has a Value Grade of A.

Now that you have a bit more background about each of the 4 undervalued stocks in the Pharmaceuticals industry as well as their overall grades, it’s time for you to conduct additional research to see if these could fit your portfolio needs based on your goals and risk tolerance. AAII can help you figure out both and identify which investments align with what works best for you.

We do so through a program of education that teaches you to invest for yourself and become an effective manager of your own wealth—no more relying on others for your financial independence. You can rely on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis that makes you a better investor.

A+ Investor adds to that qualitative teaching by giving you a powerful data suite that helps you whittle down investment decisions to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

Additional Resources About Pharmaceuticals Stocks

Want to learn more about Pharmaceuticals stocks to see if they could be the right investment for you? Check out some additional resources and articles to help you on your financial journey.

• 4 Undervalued Pharmaceuticals Stocks for Friday, August 14
• Is Arvinas, Inc. (ARVN) Overvalued?
• Is BioAge Labs, Inc. (BIOA) Overvalued?
• Why Alto Neuroscience, Inc.’s (ANRO) Stock Is Down 6.69%

AAII Disclaimer

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