Vaxcyte Doses First Participant in Phase 1 Study of VAX-A1 Vaccine
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jun 02 2026
0mins
Vaxcyte announced that the first participant was dosed in the Phase 1, first-in-human study evaluating VAX-A1, the company's investigational prophylactic vaccine candidate for the prevention of disease caused by Group A Streptococcus, in healthy adults aged 18 to 40 years. The company expects to announce topline data from the study in the second half of 2027.
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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: 50.670
Low
50.00
Averages
104.80
High
163.00
Current: 50.670
Low
50.00
Averages
104.80
High
163.00
About PCVX
Vaxcyte, Inc. is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases. The Company's pipeline includes VAX-31, VAX-24 and VAX-XL. VAX-31, a 31-valent PCV candidate being evaluated in the OPUS Phase III adult clinical program and in a Phase II infant clinical program, is being developed for the prevention of IPD and is the broadest-spectrum PCV candidate in the clinic today. VAX-24, a 24-valent PCV candidate, is designed to cover more serotypes than any infant PCV on-market. VAX-XL leverages the Company’s carrier-sparing, site-specific conjugation technology. It is re-engineering the way highly complex vaccines are made through XpressCF, its cell-free protein synthesis platform exclusively licensed from Sutro Biopharma, Inc. Its pipeline also includes VAX-A1, a prophylactic vaccine candidate designed to prevent Group A Strep infections, 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.
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- 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.
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See More
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- Holding Proportion Change: Following this sale, Paradigm's stake in Erasca now represents 3.44% of its 13F AUM, reflecting a relative decline in importance within its portfolio and suggesting a reallocation towards other investments.
- Stock Performance: As of May 14, 2026, Erasca shares were priced at $10.37, marking a remarkable 716.5% increase over the past year, significantly outperforming the S&P 500 by 689.24 percentage points, demonstrating strong market confidence in its potential products.
- Investment Risk Advisory: Despite promising early clinical trial results, a recent incident involving a patient death led to a 46% drop in stock price in a single day, highlighting the high-risk nature of biotech investments and the need for investors to carefully assess timing.
See More
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- High Strike Price Focus: Notably, the $100 strike call option expiring on March 27, 2026, saw a trading volume of 34,867 contracts today, representing around 3.5 million underlying shares, suggesting investor optimism regarding the stock's future performance.
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See More
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- Enhanced Legal Support: With over 25 years of legal experience in the life sciences sector, including her role as General Counsel at Vaxcyte, Wright-Mitchell's expertise is expected to strengthen Vera's legal capabilities through key milestones and the potential commercial launch of atacicept.
- Product Development Outlook: Vera's lead product candidate, atacicept, aims to treat IgA nephropathy as a subcutaneous injection administered weekly, which is anticipated to change the standard of care for patients and further enhance the company's market position in immunological diseases.
- Strategic Collaboration and Innovation: Vera Therapeutics has secured an exclusive licensing agreement with Stanford University for the development of a next-generation fusion protein targeting BAFF and APRIL, known as VT-109, showcasing the company's broad potential in treating B-cell-mediated diseases.
See More
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- Share Reduction Details: Kynam Capital disclosed in an SEC filing on February 17, 2026, that it sold 1,720,949 shares of Cogent Biosciences in Q4, with an estimated transaction value of $48.38 million, indicating a cautious approach towards the company's future prospects.
- Ownership Proportion Change: Following this sale, Cogent Biosciences now represents 13.99% of Kynam's reported AUM, yet it remains the fund's largest holding, reflecting ongoing confidence in its core investment despite the reduction.
- Market Performance Analysis: Cogent's stock price surged 360% over the past year, significantly outperforming the S&P 500's 15% gain during the same period, highlighting its strong performance and market recognition in the biotech sector.
- Future Outlook: Cogent's lead product, bezuclastinib, received FDA acceptance, with a target decision date set for December 30, 2026, and with $900.8 million in cash reserves, the company is well-positioned to support future R&D and market expansion efforts.
See More
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- 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
