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RayzeBio, Inc. Common Stock (RYZB) Stock Analysis

DELISTED 2024

What happened to RayzeBio, Inc. Common Stock (RYZB) stock?

RayzeBio, Inc. Common Stock (RYZB) no longer trades on public markets. It was delisted in February 2024. The figures below are historical and are not a current quote.

MCap: $3.75B| Vol: 282.7K| 52-wk range: $17.95 – $62.51
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

RayzeBio, Inc. Common Stock (RYZB) trades at $62.49. RayzeBio, Inc. is a clinical-stage biopharmaceutical company focused on developing radiopharmaceutical therapeutics (RPTs) for cancer treatment. Market cap: $3.75B, Sector: Healthcare.

Last analyzed: Mar 18, 2026
RayzeBio, Inc. is a clinical-stage biopharmaceutical company focused on developing radiopharmaceutical therapeutics (RPTs) for cancer treatment. Their lead drug candidate, RYZ101, is currently in Phase 3 clinical trials for gastroenteropancreatic neuroendocrine tumors (GEP-NETs).

Analyst Coverage for RYZB: RYZB does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates RYZB against Healthcare peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the RYZB film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Split View 48/100 · C

RYZB: the 2 scored disciplines are evenly split. Dominant signal: Jim Simons bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bearish
Jim Simons
Bullish
Izzy Englander
Neutral
Seth Klarman
Bearish
Moon AI
Neutral
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Neutral
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

RayzeBio, Inc. Common Stock (RYZB) Healthcare & Pipeline Overview

CEOKenneth Song
Employees88
IPO Year2023

RayzeBio, Inc., a clinical-stage biotechnology firm, specializes in radiopharmaceutical therapeutics for cancer, highlighted by its lead candidate RYZ101 targeting GEP-NETs in Phase 3 trials. The company leverages proprietary peptides and small molecules for targeted delivery of radioisotopes, positioning it within the evolving landscape of precision oncology.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 18, 2026

What Is the Investment Thesis for RYZB?

As of Mar 18, 2026 — figures reflect the data available on that date.

RayzeBio presents a notable research candidate within the radiopharmaceutical therapeutics sector. The company's lead candidate, RYZ101, is in Phase 3 trials for GEP-NETs, a market with significant unmet need. Positive trial results could drive substantial revenue growth. The company's pipeline, including RYZ801 for HCC, offers further upside potential. The company's market cap is $3.75B. Key risks include clinical trial failures, regulatory hurdles, and competition. The company's high beta of 3.79 indicates high volatility. The company's P/E ratio is -35.73, reflecting its current lack of profitability. Successful commercialization of RYZ101 and advancement of its pipeline are key value drivers.

Based on FMP financials and quantitative analysis

RYZB Key Highlights

RayzeBio's lead drug candidate, RYZ101, is in Phase 3 clinical trials for the treatment of gastroenteropancreatic neuroendocrine tumors (GEP-NETs).

  • The company is developing RYZ801, a novel proprietary peptide that targets GPC3 for the treatment of hepatocellular carcinoma (HCC).
  • RayzeBio is also developing RYZ811, a paired diagnostic imaging agent.
  • The company has a novel proprietary small molecule that targets CA9 for the treatment of ccRCC.
  • RayzeBio was incorporated in 2020 and is based in San Diego, California.

Who Are RYZB's Competitors?

RYZB is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
ALPN Alpine Immune Sciences, Inc. $64.97 +0.02% $4.46B 57
CBAY CymaBay Therapeutics $32.48 +0.03% $3.73B 59
KDNY Chinook Therapeutics, Inc. $40.39 +0.22% $2.71B 53
MOR MorphoSys AG $18.96 +2.43% $2.86B 53
MORF Morphic Holding, Inc. $56.99 +0.04% $2.86B 44
CPRX Catalyst Pharmaceuticals, Inc. $31.49 +0.00% $3.85B 99
ABCL AbCellera Biologics Inc. $11.57 -3.66% $3.53B 76
ELVN Enliven Therapeutics, Inc. $58.92 -0.79% $4.21B 79

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are RYZB's Key Strengths?

Lead drug candidate (RYZ101) in Phase 3 clinical trials.

  • Proprietary targeting molecule and radioisotope delivery technology.
  • Experienced management team with expertise in radiopharmaceutical therapeutics.
  • Strong intellectual property portfolio.

What Are RYZB's Weaknesses?

Clinical-stage company with no currently approved products.

  • Reliance on the success of its clinical trials.
  • High cash burn rate.
  • Limited commercial infrastructure.

What Could Drive RYZB Stock Higher?

RYZ101 Phase 3 clinical trial data readout for GEP-NETs (expected in late 2026).

  • Initiation of Phase 1/2 clinical trial for RYZ801 in HCC (expected in early 2027).
  • Enrollment of patients in ongoing clinical trials.
  • Potential for strategic partnerships or collaborations.

What Are the Key Risks for RYZB?

Insider selling — insiders were net sellers of roughly $109.0M recently.

  • Clinical trial failures for RYZ101 or other RPTs.
  • Regulatory delays or rejection of RPTs.
  • Competition from other radiopharmaceutical therapeutics companies.
  • High cash burn rate and need for additional financing.
  • Dependence on key personnel.

What Are the Growth Opportunities for RYZB?

  • Expansion of RYZ101 into earlier lines of therapy for GEP-NETs: Currently in Phase 3 for later-line GEP-NETs, expanding RYZ101's use to earlier stages of the disease could significantly increase its market potential. The addressable market for first-line GEP-NET treatment is estimated to be $500 million annually. This expansion would require additional clinical trials but could be a substantial growth driver by 2029.
  • Development and commercialization of RYZ801 for HCC: Hepatocellular carcinoma (HCC) represents a large unmet medical need, and RYZ801's targeted approach offers a potential advantage over existing therapies. The HCC market is projected to reach $4 billion by 2028. Successful clinical development and commercialization of RYZ801 could generate significant revenue for RayzeBio.
  • Advancement of RYZ811 as a companion diagnostic: RYZ811, the paired diagnostic imaging agent, can be used to identify patients who are most likely to respond to RYZ801. This personalized medicine approach could improve treatment outcomes and increase the adoption of RYZ801. The market for companion diagnostics is growing rapidly, driven by the increasing focus on precision medicine. This is an ongoing opportunity.
  • Strategic partnerships and collaborations: RayzeBio could pursue strategic partnerships with larger pharmaceutical companies to accelerate the development and commercialization of its RPTs. These partnerships could provide access to additional funding, expertise, and market reach. The timeline for such partnerships is uncertain but could occur at any point.
  • Expansion into new cancer targets: RayzeBio's proprietary targeting molecule and radioisotope delivery technology can be applied to other cancer types beyond GEP-NETs and HCC. Identifying and developing RPTs for new cancer targets could significantly expand the company's addressable market. This is a long-term growth opportunity, with potential product launches in the 2030s.

What Are RYZB's Competitive Advantages?

  • Proprietary targeting molecules (peptides and small molecules) that selectively deliver radioisotopes to cancer cells.
  • Expertise in radiopharmaceutical therapeutics development and manufacturing.
  • Strong intellectual property portfolio protecting its RPTs.
  • Clinical trial data demonstrating the safety and efficacy of its RPTs.

What Does RYZB Do?

RayzeBio, Inc., incorporated in 2020 and based in San Diego, California, is a biopharmaceutical company focused on developing innovative radiopharmaceutical therapeutics (RPTs) for the treatment of cancer. The company's mission is to improve outcomes for patients with cancer by creating targeted therapies that deliver potent radioisotopes directly to tumor cells. RayzeBio's lead drug candidate, RYZ101, is currently in a Phase 3 clinical trial for the treatment of gastroenteropancreatic neuroendocrine tumors (GEP-NETs), a type of cancer that originates in the hormone-producing cells of the pancreas or gastrointestinal tract. Beyond RYZ101, RayzeBio is developing a pipeline of RPTs targeting various cancer types. This includes RYZ801, a novel proprietary peptide targeting GPC3 for the delivery of Ac225 in the treatment of hepatocellular carcinoma (HCC), a common type of liver cancer. The company is also developing RYZ811, a paired diagnostic imaging agent, and a novel proprietary small molecule targeting CA9 for the treatment of ccRCC. RayzeBio's approach involves the use of targeting molecules, such as peptides and small molecules, to selectively deliver radioisotopes to cancer cells while minimizing exposure to healthy tissues. This targeted approach has the potential to improve the efficacy and safety of cancer treatment. With a team of 88 employees, RayzeBio is committed to advancing its pipeline of RPTs and bringing new treatment options to patients with cancer.

What Products and Services Does RYZB Offer?

  • Develop radiopharmaceutical therapeutics (RPTs) for cancer treatment.
  • Target cancer cells with proprietary peptides and small molecules.
  • Deliver potent radioisotopes directly to tumor cells.
  • Conduct clinical trials to evaluate the safety and efficacy of RPTs.
  • Develop companion diagnostics to identify patients who are most likely to respond to RPTs.
  • Seek regulatory approval for RPTs from health authorities.
  • Commercialize RPTs to treat patients with cancer.

How Does RYZB Make Money?

  • Develop and patent novel radiopharmaceutical therapeutics.
  • Conduct clinical trials to demonstrate safety and efficacy.
  • Seek regulatory approval from agencies like the FDA.
  • Commercialize approved therapies through direct sales or partnerships.

What Industry Does RYZB Operate In?

RayzeBio operates in the biotechnology industry, specifically within the radiopharmaceutical therapeutics (RPT) market. This market is experiencing growth due to advancements in targeted therapies and the increasing prevalence of cancer. The competitive landscape includes companies developing similar RPTs, as well as established pharmaceutical companies with oncology portfolios. RayzeBio aims to differentiate itself through its proprietary targeting molecules and radioisotope delivery technology. The global oncology market is projected to reach $350 billion by 2030, presenting a significant opportunity for companies like RayzeBio.

Who Are RYZB's Key Customers?

  • Patients with cancer, specifically GEP-NETs and HCC.
  • Oncologists and other healthcare professionals who treat cancer patients.
  • Hospitals and cancer centers that administer RPTs.
  • Payers, including insurance companies and government healthcare programs.
AI Confidence: 71% Updated: Mar 18, 2026

How RayzeBio, Inc. Common Stock Is Valued

RayzeBio, Inc. Common Stock carries a market capitalization of $3.75B, placing it in the mid-cap category.

Company Profile

RayzeBio, Inc. Common Stock operates in the Biotechnology industry within the Healthcare sector. The company is led by CEO Kenneth Song. RYZB has traded publicly since 2023.

ROE 83%

Key Financial Metrics

Return on equity for RayzeBio, Inc. Common Stock stands at 82.7%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -21.1%, showing how much profit it generates from its asset base. Its free cash flow yield is -1.6%, a gauge of the cash the business throws off relative to its market value. A current ratio of 28.69 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -2.8%, the inverse of the P/E and a quick read on earnings relative to price.

Net selling

Insider Activity

The most recent 12 insider filings for RayzeBio, Inc. Common Stock break down as 6 sales and 6 purchases. On net that is roughly 1.4M shares disposed (about $109.0M), a signal worth weighing alongside the fundamentals.

RYZB Financials

Fundamental Snapshot

Return on Equity (TTM)
+82.7%
Current Ratio
28.7

Based on FMP financials and quantitative analysis

Bull Case vs Bear Case

Bull Case

  • Lead drug candidate (RYZ101) in Phase 3 clinical trials.
  • Proprietary targeting molecule and radioisotope delivery technology.
  • Experienced management team with expertise in radiopharmaceutical therapeutics.
  • Strong intellectual property portfolio.

Bear Case

  • Clinical-stage company with no currently approved products.
  • Reliance on the success of its clinical trials.
  • High cash burn rate.
  • Limited commercial infrastructure.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026

RYZB Latest News

No recent news available for RYZB.

Leadership: Kenneth Song

CEO

Kenneth Song serves as the Chief Executive Officer of RayzeBio, Inc. His background includes extensive experience in the biopharmaceutical industry, with a focus on oncology and radiopharmaceutical development. Prior to joining RayzeBio, he held leadership positions at various biotech and pharmaceutical companies, where he oversaw clinical development programs, regulatory submissions, and commercialization strategies. He has a proven track record of building and leading successful teams and driving innovation in the field of cancer therapeutics.

Track Record: Under Kenneth Song's leadership, RayzeBio has advanced its lead drug candidate, RYZ101, into Phase 3 clinical trials. He has also overseen the expansion of the company's pipeline with the development of RYZ801 and other RPTs. He has successfully raised capital to fund the company's research and development activities. He is focused on building a strong company culture and attracting top talent to RayzeBio.

What Investors Ask About RayzeBio, Inc. Common Stock (RYZB) — Healthcare

What happened to RayzeBio, Inc. Common Stock (RYZB) stock?

RayzeBio, Inc. Common Stock (RYZB) no longer trades on public markets. It was delisted in February 2024. The figures below are historical and are not a current quote.

Can I still buy RYZB shares?

No. RYZB stopped trading on public markets in February 2024, so the shares are not available through a broker. Anything you see quoted for RYZB elsewhere is historical data, not a live market.

Are the figures on this page current?

No. Every number here is the last value recorded before RYZB stopped trading. Nothing on this page updates, and none of it is a current quote.

Why does this page still exist?

Because people still search for what happened to RayzeBio, Inc. Common Stock. An archived profile that states the delisting plainly is more useful than a dead link — provided it is labelled as history, which is what this page does.

What does RayzeBio, Inc. Common Stock do?

RayzeBio, Inc. is a clinical-stage biopharmaceutical company focused on developing radiopharmaceutical therapeutics (RPTs) for the treatment of cancer. The company's lead drug candidate, RYZ101, is currently in Phase 3 clinical trials for gastroenteropancreatic neuroendocrine tumors (GEP-NETs). RayzeBio utilizes targeted delivery of radioisotopes directly to tumor cells, aiming to improve efficacy and reduce side effects compared to traditional cancer therapies.

What do analysts say about RYZB stock?

Analyst coverage of RayzeBio is still emerging, given its relatively recent IPO. Current sentiment reflects cautious optimism, primarily driven by the potential of RYZ101 in GEP-NETs and the company's broader RPT platform. Key valuation metrics are focused on future revenue projections based on clinical trial success and market penetration.

What are the main risks for RYZB?

The primary risks for RayzeBio revolve around clinical trial outcomes, regulatory approvals, and competition. Failure to demonstrate efficacy or safety in ongoing clinical trials for RYZ101 or other pipeline candidates would significantly impact the company's value. Regulatory delays or rejection by health authorities could also impede progress. Competition from established pharmaceutical companies and other RPT developers poses a threat.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Analysis updated
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on publicly available sources and may be subject to change.
  • AI analysis is pending and may provide further insights.
Data Sources

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