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State Street SPDR S&P Biotech ETF (XBI) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$156.82 -$2.56 (-1.61%)
Vol: 9.67M|

Beta 1.47: the stock has moved about 47% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 16, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

State Street SPDR S&P Biotech ETF (XBI) trades at $156.82. The State Street SPDR S&P Biotech ETF (XBI) aims to mirror the performance of the S&P Biotechnology Select Industry Index. Sector: Financial services.

Price as of Sep 11, 2026 · Last analyzed: Mar 16, 2026
The State Street SPDR S&P Biotech ETF (XBI) aims to mirror the performance of the S&P Biotechnology Select Industry Index. It offers investors targeted exposure to the biotechnology sector through a modified equal-weighted index.

Analyst Coverage for XBI: XBI 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 XBI against Financial Services peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the XBI film Every key number, told as a short cinematic story — just press play. ~2 min

State Street SPDR S&P Biotech ETF (XBI) Financial Services Profile

HeadquartersBoston, US
IPO Year2006

State Street SPDR S&P Biotech ETF (XBI) provides targeted exposure to the biotechnology sector of the S&P TMI, tracking a modified equal-weighted index. This ETF allows investors to strategically position themselves within the biotech industry, spanning large, mid, and small-cap stocks, offering a diversified yet focused investment vehicle.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 16, 2026

What Is the Investment Thesis for XBI?

AI-written as of Mar 16, 2026 — figures and tone reflect the data available then, not today's score.

The State Street SPDR S&P Biotech ETF (XBI), with a market capitalization of $6.31 billion and a beta of 1.47, presents a targeted investment in the biotechnology sector. Its modified equal-weighted approach offers diversification across large, mid, and small-cap biotech companies. A key value driver is the potential for growth within the biotechnology industry, driven by innovation in drug development and increasing healthcare spending. Upcoming catalysts include potential breakthroughs in gene therapy and personalized medicine, which could significantly boost the valuations of companies within the index. However, potential risks include regulatory hurdles, clinical trial failures, and market volatility, all inherent to the biotech industry. Investors may want to evaluate these factors when evaluating XBI as part of their portfolio, recognizing the high-risk, high-reward nature of the biotechnology sector.

Based on FMP financials and quantitative analysis

XBI Key Highlights

AI-written as of Mar 16, 2026 — figures and tone reflect the data available then, not today's score.

Market Cap of $6.31B indicates substantial investment in the biotechnology sector through XBI.

  • Beta of 1.47 suggests higher volatility compared to the overall market, typical for biotech investments.
  • The ETF tracks the S&P Biotechnology Select Industry Index, providing focused exposure to the biotech industry.
  • Modified equal-weighted index reduces concentration risk and allows exposure to smaller, high-growth biotech firms.
  • No dividend yield reflects the growth-oriented nature of the biotechnology sector.

Who Are XBI's Competitors?

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

Company Price Change Market Cap MoonshotScore
AIQ Global X - Artificial Intelligence & Technology ETF $63.08 -1.61% $11.0B
BBIN JPMorgan BetaBuilders International Equity ETF $80.24 +1.07% $6.57B
BBUS JPMorgan BetaBuilders U.S. Equity ETF $136.76 -0.60% $8.68B
EWZ iShares MSCI Brazil ETF $38.56 +1.29% $7.73B
FDL First Trust Morningstar Dividend Leaders Index Fund $52.05 -0.04% $7.37B
BX Blackstone Inc. $129.75 +3.46% $157B 705-pillar
IVSXF Investor AB (publ) $42.20 0.00% $129B 599-signal
BAM Brookfield Asset Management $47.24 -1.01% $75.4B 575-pillar

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance This table mixes two scoring engines — compare a number only with others carrying the same tag.

What Are XBI's Key Strengths?

Diversified exposure to the biotechnology sector.

  • Modified equal-weighted methodology reduces concentration risk.
  • High liquidity and trading volume.
  • Strong brand recognition as part of the SPDR ETF family.

What Are XBI's Weaknesses?

High beta indicates higher volatility compared to the overall market.

  • Sector-specific focus limits diversification.
  • Performance is highly dependent on the biotechnology industry's performance.
  • No dividend yield may deter income-seeking investors.

What Could Drive XBI Stock Higher?

Clinical trial results for key drug candidates within the ETF's holdings.

  • Regulatory approvals for new therapies.
  • Increasing healthcare spending and demand for innovative treatments.
  • Mergers and acquisitions within the biotechnology sector.

What Are the Key Risks for XBI?

Clinical trial failures and regulatory setbacks.

  • Market volatility and economic downturns.
  • High research and development costs.
  • Competition from other biotechnology companies.
  • Changes in healthcare policy and reimbursement rates.

What Are the Growth Opportunities for XBI?

  • Advancements in Gene Therapy: The gene therapy market is projected to reach $36.9 billion by 2030, driven by the potential to cure genetic diseases with single-dose treatments. XBI's holdings in companies pioneering gene therapy technologies position it to benefit from this growth. The timeline for realizing this opportunity depends on regulatory approvals and successful clinical trials, but the long-term potential is substantial.
  • Personalized Medicine: The personalized medicine market is expected to reach $3.2 trillion by 2030, fueled by advancements in diagnostics and targeted therapies. XBI's exposure to companies developing personalized medicine solutions allows investors to capitalize on this trend. The adoption of personalized medicine is contingent on technological advancements and cost-effectiveness, but the potential for improved patient outcomes is driving its growth.
  • Increasing Healthcare Spending: Global healthcare spending is projected to reach $10 trillion by 2026, driven by aging populations and increasing access to healthcare in emerging markets. XBI's investments in biotechnology companies position it to benefit from this increased spending. The timeline for realizing this opportunity is tied to healthcare policy changes and economic growth, but the long-term trend is favorable.
  • Drug Development Innovation: The pharmaceutical industry is experiencing a surge in drug development innovation, with new therapies targeting previously untreatable diseases. XBI's holdings in companies engaged in drug discovery and development provide exposure to this innovation. The success of these companies depends on clinical trial outcomes and regulatory approvals, but the potential for significant returns is high.
  • Mergers and Acquisitions: The biotechnology industry is characterized by frequent mergers and acquisitions, as larger companies seek to acquire innovative technologies and pipelines. XBI's holdings in smaller, high-growth biotech companies make it a potential target for acquisition. The timeline for M&A activity is unpredictable, but the potential for significant gains is a recurring theme in the biotechnology sector.

What Are XBI's Competitive Advantages?

  • First-mover advantage in offering a biotechnology-focused ETF.
  • Strong brand recognition as part of the SPDR ETF family.
  • High liquidity and trading volume.
  • Diversified exposure to the biotechnology sector.

What Does XBI Do?

The State Street SPDR S&P Biotech ETF (XBI) was created to replicate, before fees and expenses, the total return performance of the S&P Biotechnology Select Industry Index. This index represents the biotechnology sub-industry within the broader S&P Total Market Index (TMI). XBI provides investors with a means to access a basket of stocks specifically focused on biotechnology companies. The ETF employs a modified equal-weighting methodology, which differentiates it from market capitalization-weighted ETFs. This approach aims to reduce concentration risk by giving similar weight to companies regardless of their size, potentially offering exposure to smaller, high-growth biotech firms alongside established industry players. Since its inception, XBI has become a popular tool for investors seeking to express a view on the biotechnology sector. The fund's holdings span a range of companies involved in various aspects of biotechnology, including drug discovery, development, and manufacturing. By tracking the S&P Biotechnology Select Industry Index, XBI offers a relatively liquid and transparent way to invest in this dynamic and often volatile sector. The ETF's structure allows for both strategic, long-term investments and tactical, short-term positions, catering to a diverse range of investment strategies. State Street, the issuer of the SPDR ETFs, is one of the world's largest asset managers, providing investors with confidence in the fund's management and operational efficiency. XBI's focus on the biotechnology sector makes it a specialized tool within the broader landscape of sector-specific ETFs.

What Products and Services Does XBI Offer?

  • Tracks the performance of the S&P Biotechnology Select Industry Index.
  • Provides exposure to a diversified portfolio of biotechnology companies.
  • Employs a modified equal-weighted methodology to reduce concentration risk.
  • Offers investors a liquid and transparent way to invest in the biotech sector.
  • Allows for both strategic, long-term investments and tactical, short-term positions.
  • Provides access to companies involved in drug discovery, development, and manufacturing.

How Does XBI Make Money?

  • Tracks the S&P Biotechnology Select Industry Index.
  • Generates revenue through management fees charged to investors.
  • Offers a diversified investment in the biotechnology sector through a single ETF.
  • Utilizes a modified equal-weighted approach to mitigate concentration risk.

What Industry Does XBI Operate In?

The biotechnology industry is characterized by rapid innovation, high research and development costs, and significant regulatory oversight. The market is driven by advancements in genomics, personalized medicine, and novel drug therapies. The State Street SPDR S&P Biotech ETF (XBI) operates within this dynamic landscape, offering investors exposure to a broad range of companies, from established players to emerging innovators. Competitors like AIQ, BBIN, BBUS, EWZ, and FDL offer alternative approaches to investing in the biotechnology and related sectors, with varying degrees of diversification and focus.

Who Are XBI's Key Customers?

  • Institutional investors seeking exposure to the biotechnology sector.
  • Retail investors looking for a diversified investment in biotech stocks.
  • Financial advisors seeking to allocate client portfolios to the biotech industry.
  • Hedge funds and other sophisticated investors trading on short-term biotech trends.
Model self-rating on this text: 81% (not a measure of the evidence) Updated: Mar 16, 2026

Research confidence

Low 20/100

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • Scoring coverage unknown
  • Price is current
  • No filing on record
  • No analyst coverage
  • This is an etf, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 19 snapshots

2026-08-23 47
2026-08-26 47
2026-08-29 47
2026-09-01 47
2026-09-04 47
2026-09-07 47
2026-09-10 47

What changed?

The score has stayed at 47.

Over the same 18 days the stock moved -3.8%.

XBI Financials

Bull Case vs Bear Case

Bull Case

  • Diversified exposure to the biotechnology sector.
  • Modified equal-weighted methodology reduces concentration risk.
  • High liquidity and trading volume.
  • Strong brand recognition as part of the SPDR ETF family.

Bear Case

  • High beta indicates higher volatility compared to the overall market.
  • Sector-specific focus limits diversification.
  • Performance is highly dependent on the biotechnology industry's performance.
  • No dividend yield may deter income-seeking investors.

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

XBI Latest News

XBI Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for XBI.

Price Targets

Wall Street price target analysis for XBI.

XBI MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for XBI; grades run from A+ (80-100) to F (below 30).

What Investors Ask About State Street SPDR S&P Biotech ETF (XBI) — Financial Services

Is XBI a good stock?

Stock Expert AI does not rate XBI buy, sell or hold. State Street SPDR S&P Biotech ETF has no MoonshotScore yet; read the financial checkup, analyst consensus and risks directly. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.

What are the main risks for XBI?

The State Street SPDR S&P Biotech ETF (XBI) faces several key risks inherent to the biotechnology sector. Clinical trial failures and regulatory setbacks can significantly impact the valuations of companies within the ETF.

What are the key factors to evaluate for XBI?

Evaluate XBI on fundamentals, analyst consensus, and risk factors. Market Cap of $6.31B indicates substantial investment in the biotechnology sector through XBI. Not financial advice.

How frequently does XBI data refresh on this page?

XBI's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven XBI's recent stock price performance?

State Street SPDR S&P Biotech ETF (XBI) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Diversified exposure to the biotechnology sector. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider XBI overvalued or undervalued right now?

State Street SPDR S&P Biotech ETF (XBI) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

Can I buy fractional shares of XBI?

Yes, most major brokerages offer fractional shares of State Street SPDR S&P Biotech ETF (XBI) with no minimum purchase requirement. This means you can invest any dollar amount regardless of the share price. Check your brokerage platform for specific terms, fees, and fractional share availability.

How can I track XBI's earnings and financial reports?

State Street SPDR S&P Biotech ETF (XBI) reports quarterly earnings approximately 4-6 weeks after each fiscal quarter ends. You can track earnings dates, revenue and EPS estimates, and actual results on this page's Financials tab. Earnings surprises (beats or misses) often cause significant short-term price moves. Your brokerage can send alerts for XBI earnings announcements.

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

Price as of 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
  • Biotechnology sector is inherently volatile and subject to regulatory risks.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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