Mizuho's Lesser-Known Stock Choice for 2026: A Wall Street Favorite That Could See Its Value Triple
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 20 2025
0mins
Should l Buy PCVX?
Source: CNBC
Mizuho's Top Stock Pick: Mizuho has identified Vaxcyte, a vaccine maker, as its top stock pick for 2026, projecting a potential upside of over 250% from its current price due to its promising pneumococcal vaccine development.
Market Advantage: Vaxcyte holds a significant advantage over competitors in the pneumococcal vaccine market, which is valued at approximately $8 billion, with a favorable demographic split between adults and infants.
Positive Trial Data: Analyst Salim Syed highlighted the positive data from Vaxcyte's Phase 2 trials, particularly for its adult vaccine, suggesting it could be a market leader with broad serotype coverage.
Infant Vaccine Adjustments: While the results for the infant-focused vaccine have been less favorable, Vaxcyte is making adjustments to its trials to mitigate risks and improve outcomes, potentially enhancing the prospects for its infant vaccine.
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Analyst Views on PCVX
Wall Street analysts forecast PCVX stock price to rise
6 Analyst Rating
6 Buy
0 Hold
0 Sell
Strong Buy
Current: 61.980
Low
50.00
Averages
104.80
High
163.00
Current: 61.980
Low
50.00
Averages
104.80
High
163.00
About PCVX
Vaxcyte Inc. is a clinical-stage vaccine innovation company. The Company is engaged in developing spectrum conjugate and protein vaccines to prevent or treat bacterial infectious diseases. Its pipeline includes VAX-31, a 31-valent PCV candidate advancing to a Phase III adult clinical program and being evaluated in a Phase II infant clinical program, which is being developed for the prevention of invasive pneumococcal disease (IPD) in adults and infants and is the broadest-spectrum pneumococcal conjugate vaccine (PCV) candidate in the clinic. VAX-24, the Company’s 24-valent PCV candidate, is designed to cover more serotypes than any infant PCV on-market and is being evaluated in a Phase II infant study. Its pipeline also includes VAX-A1, a prophylactic vaccine candidate designed to prevent Group A Strep infections; VAX-PG, a therapeutic vaccine candidate designed to slow or stop the progression of periodontal disease; and VAX-GI, a vaccine candidate designed to prevent Shigella.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Wall Street Analysts Adjust Ratings
- Analyst Rating Changes: Top Wall Street analysts have adjusted their ratings on several stocks, reflecting varying market outlooks that could influence investor decisions and market trends.
- Upgrades and Downgrades: While specific stock names are not mentioned, such rating changes typically lead to stock price volatility, prompting investors to pay close attention to these shifts for portfolio optimization.
- Market Reaction Expectations: The adjustments in analysts' ratings may trigger short-term market reactions, especially when investor sentiment towards specific stocks is sensitive, thereby impacting overall market sentiment.
- Enhanced Information Transparency: By providing a comprehensive view of analyst rating changes, investors can better understand market dynamics and make more informed investment decisions, thereby improving market transparency and efficiency.
See More
Vaxcyte Reports Q4 and Full-Year 2025 Financial Results and Business Update
- Widening Financial Losses: Vaxcyte reported a net loss of $246.5 million for Q4 2025, significantly up from $137.1 million in the same quarter last year, with a full-year net loss of $766.6 million compared to $463.9 million previously, indicating ongoing investments in R&D and operations.
- VAX-31 Clinical Progress: The company's lead 31-valent pneumococcal conjugate vaccine, VAX-31, is undergoing three pivotal Phase 3 trials, with topline data from OPUS-1 expected in Q4 2026, which will provide critical insights for its adult market launch, supported by FDA's Breakthrough Therapy Designation.
- Manufacturing Facility Development: In Q4 2025, Vaxcyte incurred an additional $21.8 million in expenditures for the construction of its dedicated Lonza manufacturing facility, bringing total expenditures to $335.4 million by year-end, with completion in Q1 2026, aimed at supporting the global commercialization of its PCV program.
- New Vaccine Candidates: Beyond VAX-31, Vaxcyte is advancing multiple vaccine candidates including VAX-24, VAX-XL, VAX-A1, and VAX-GI, showcasing the company's diversified strategy in vaccine development, particularly innovative solutions targeting various pathogens.
See More
Vaxcyte Reports Q4 Losses and Cash Position
- Earnings Miss: Vaxcyte reported a Q4 GAAP EPS of -$5.63, missing estimates by $4.06, indicating significant challenges in profitability that could undermine investor confidence.
- Cash Position: As of December 31, 2025, Vaxcyte holds approximately $2.4 billion in cash, cash equivalents, and investments, highlighting a strong liquidity position, yet future operational expenditures remain a concern.
- Funding Initiative: The company is proposing a $500 million public offering of stock and warrants to bolster its capital structure for future R&D and operations, although market reactions may be tempered by the recent earnings miss.
- Market Impact: Following FDA officials' comments on future vaccine approvals, shares of Moderna and other vaccine makers declined, reflecting market concerns about the vaccine sector's outlook, which could have a ripple effect on Vaxcyte's stock price.
See More
Vaxcyte Initiates Phase 3 Trial for VAX-31 Vaccine
- Trial Launch: Vaxcyte announced the dosing of first participants in the OPUS-3 Phase 3 trial for VAX-31, a next-generation 31-valent pneumococcal conjugate vaccine aimed at enhancing immune responses against pneumococcus, which is expected to significantly improve vaccination outcomes in adults.
- Trial Scale and Design: The study will enroll approximately 720 adults aged 50 and older across 30 U.S. sites, with participants randomized to receive either VAX-31 or PCV20, assessing safety, tolerability, and immunogenicity, particularly in boosting immune responses in previously vaccinated individuals.
- Enhanced Vaccine Coverage: VAX-31 is designed to cover approximately 95% of invasive pneumococcal disease and 88% of pneumococcal pneumonia, potentially providing 14-34% broader invasive disease coverage and 19-31% broader pneumonia coverage compared to current vaccines, which may significantly reduce the incidence of related diseases.
- Future Data Expectations: Vaxcyte's broader Phase 3 adult program for VAX-31 includes OPUS-1 and OPUS-2, with key data expected in Q4 2026 and H1 2027 respectively, further advancing the vaccine's market application and Biologics License Application (BLA).
See More
Vaxcyte Prices Public Offering at $550 Million
- Offering Size: Vaxcyte announced the pricing of 11 million shares at $50.00 each, aiming for gross proceeds of $550 million, reflecting strong market confidence in its vaccine innovations.
- Underwriter Arrangement: The offering is managed by prominent financial institutions including BofA Securities and Jefferies, indicating positive market expectations for Vaxcyte's future growth and enhancing investor confidence.
- Additional Share Option: Vaxcyte granted underwriters a 30-day option to purchase an additional 1.65 million shares at the same price, a strategy that could further enhance the company's financing capabilities and support its R&D initiatives.
- Closing Timeline: The offering is expected to close on February 2, 2026, and if successful, will provide Vaxcyte with ample funding to support its vaccine development and market expansion plans.
See More
Vaxcyte Initiates Phase 3 Trials for VAX-31, Market Cap Around $7 Billion
- Vaccine Development Progress: Vaxcyte has initiated the Phase 3 OPUS-2 trial for VAX-31 in participants aged 50 and above, aiming to enroll around 1,300 individuals, showcasing the company's potential leadership in pneumococcal disease prevention.
- Manufacturing Investment: The company plans to start a custom fill-finish line in North Carolina in Q1 2026 with a $1 billion investment, enhancing its vaccine manufacturing capabilities and further solidifying its market position.
- Clinical Trial Timeline: Topline data from both OPUS-2 and OPUS-3 trials are expected in the first half of 2027, indicating Vaxcyte's strong commitment to expanding its vaccine portfolio, which could drive future revenue growth.
- Strong Market Performance: Despite mixed market conditions, Vaxcyte's stock rose 2.06% to $54.94, reflecting investor confidence in its growth potential, with analysts giving a consensus Buy rating and an average price target of $125.
See More
Wall Street Analysts Adjust Ratings
- Analyst Rating Changes: Top Wall Street analysts have adjusted their ratings on several stocks, reflecting varying market outlooks that could influence investor decisions and market trends.
- Upgrades and Downgrades: While specific stock names are not mentioned, such rating changes typically lead to stock price volatility, prompting investors to pay close attention to these shifts for portfolio optimization.
- Market Reaction Expectations: The adjustments in analysts' ratings may trigger short-term market reactions, especially when investor sentiment towards specific stocks is sensitive, thereby impacting overall market sentiment.
- Enhanced Information Transparency: By providing a comprehensive view of analyst rating changes, investors can better understand market dynamics and make more informed investment decisions, thereby improving market transparency and efficiency.
See More
Vaxcyte Reports Q4 and Full-Year 2025 Financial Results and Business Update
- Widening Financial Losses: Vaxcyte reported a net loss of $246.5 million for Q4 2025, significantly up from $137.1 million in the same quarter last year, with a full-year net loss of $766.6 million compared to $463.9 million previously, indicating ongoing investments in R&D and operations.
- VAX-31 Clinical Progress: The company's lead 31-valent pneumococcal conjugate vaccine, VAX-31, is undergoing three pivotal Phase 3 trials, with topline data from OPUS-1 expected in Q4 2026, which will provide critical insights for its adult market launch, supported by FDA's Breakthrough Therapy Designation.
- Manufacturing Facility Development: In Q4 2025, Vaxcyte incurred an additional $21.8 million in expenditures for the construction of its dedicated Lonza manufacturing facility, bringing total expenditures to $335.4 million by year-end, with completion in Q1 2026, aimed at supporting the global commercialization of its PCV program.
- New Vaccine Candidates: Beyond VAX-31, Vaxcyte is advancing multiple vaccine candidates including VAX-24, VAX-XL, VAX-A1, and VAX-GI, showcasing the company's diversified strategy in vaccine development, particularly innovative solutions targeting various pathogens.
See More
Vaxcyte Reports Q4 Losses and Cash Position
- Earnings Miss: Vaxcyte reported a Q4 GAAP EPS of -$5.63, missing estimates by $4.06, indicating significant challenges in profitability that could undermine investor confidence.
- Cash Position: As of December 31, 2025, Vaxcyte holds approximately $2.4 billion in cash, cash equivalents, and investments, highlighting a strong liquidity position, yet future operational expenditures remain a concern.
- Funding Initiative: The company is proposing a $500 million public offering of stock and warrants to bolster its capital structure for future R&D and operations, although market reactions may be tempered by the recent earnings miss.
- Market Impact: Following FDA officials' comments on future vaccine approvals, shares of Moderna and other vaccine makers declined, reflecting market concerns about the vaccine sector's outlook, which could have a ripple effect on Vaxcyte's stock price.
See More
Vaxcyte Initiates Phase 3 Trial for VAX-31 Vaccine
- Trial Launch: Vaxcyte announced the dosing of first participants in the OPUS-3 Phase 3 trial for VAX-31, a next-generation 31-valent pneumococcal conjugate vaccine aimed at enhancing immune responses against pneumococcus, which is expected to significantly improve vaccination outcomes in adults.
- Trial Scale and Design: The study will enroll approximately 720 adults aged 50 and older across 30 U.S. sites, with participants randomized to receive either VAX-31 or PCV20, assessing safety, tolerability, and immunogenicity, particularly in boosting immune responses in previously vaccinated individuals.
- Enhanced Vaccine Coverage: VAX-31 is designed to cover approximately 95% of invasive pneumococcal disease and 88% of pneumococcal pneumonia, potentially providing 14-34% broader invasive disease coverage and 19-31% broader pneumonia coverage compared to current vaccines, which may significantly reduce the incidence of related diseases.
- Future Data Expectations: Vaxcyte's broader Phase 3 adult program for VAX-31 includes OPUS-1 and OPUS-2, with key data expected in Q4 2026 and H1 2027 respectively, further advancing the vaccine's market application and Biologics License Application (BLA).
See More
Vaxcyte Prices Public Offering at $550 Million
- Offering Size: Vaxcyte announced the pricing of 11 million shares at $50.00 each, aiming for gross proceeds of $550 million, reflecting strong market confidence in its vaccine innovations.
- Underwriter Arrangement: The offering is managed by prominent financial institutions including BofA Securities and Jefferies, indicating positive market expectations for Vaxcyte's future growth and enhancing investor confidence.
- Additional Share Option: Vaxcyte granted underwriters a 30-day option to purchase an additional 1.65 million shares at the same price, a strategy that could further enhance the company's financing capabilities and support its R&D initiatives.
- Closing Timeline: The offering is expected to close on February 2, 2026, and if successful, will provide Vaxcyte with ample funding to support its vaccine development and market expansion plans.
See More
Vaxcyte Initiates Phase 3 Trials for VAX-31, Market Cap Around $7 Billion
- Vaccine Development Progress: Vaxcyte has initiated the Phase 3 OPUS-2 trial for VAX-31 in participants aged 50 and above, aiming to enroll around 1,300 individuals, showcasing the company's potential leadership in pneumococcal disease prevention.
- Manufacturing Investment: The company plans to start a custom fill-finish line in North Carolina in Q1 2026 with a $1 billion investment, enhancing its vaccine manufacturing capabilities and further solidifying its market position.
- Clinical Trial Timeline: Topline data from both OPUS-2 and OPUS-3 trials are expected in the first half of 2027, indicating Vaxcyte's strong commitment to expanding its vaccine portfolio, which could drive future revenue growth.
- Strong Market Performance: Despite mixed market conditions, Vaxcyte's stock rose 2.06% to $54.94, reflecting investor confidence in its growth potential, with analysts giving a consensus Buy rating and an average price target of $125.
See More
