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State Street SPDR S&P MIDCAP 400 ETF Trust (MDY)

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

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) with AI Score 47/100 (Weak). The State Street SPDR S&P MidCap 400 ETF Trust (MDY) aims to replicate the performance of the S&P MidCap 400 Index. Market cap: 0, Sector: Financial services.

Last analyzed: Mar 17, 2026
The State Street SPDR S&P MidCap 400 ETF Trust (MDY) aims to replicate the performance of the S&P MidCap 400 Index. It provides investors with exposure to the mid-cap segment of the U.S. equity market.
47/100 AI Score

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) Financial Services Profile

HeadquartersNew York City, US
IPO Year1995

State Street SPDR S&P MidCap 400 ETF Trust (MDY) offers investors diversified exposure to the U.S. mid-cap equity market, tracking the S&P MidCap 400 Index with a focus on mirroring its price and yield performance before expenses, within the competitive asset management landscape.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: Mar 17, 2026

Investment Thesis

MDY's investment thesis centers on its ability to provide efficient and diversified exposure to the U.S. mid-cap equity market. As of 2026-03-17, with a market cap of $26.16 billion, MDY offers a liquid and cost-effective way for investors to participate in the potential growth of mid-sized companies. The fund's passive management style, which tracks the S&P MidCap 400 Index, aims to minimize expenses and tracking error, making it a noteworthy option for investors seeking broad market exposure. Ongoing catalysts include the continued growth of the U.S. economy, which could drive earnings growth for mid-cap companies and, consequently, the value of MDY. The fund's diversification across 400 companies mitigates the risk associated with individual stock performance. However, potential risks include economic downturns or market corrections, which could negatively impact the value of mid-cap stocks and MDY's overall performance. The fund's beta of 1.11 indicates that it is more volatile than the overall market, which could amplify both gains and losses.

Based on FMP financials and quantitative analysis

Key Highlights

  • Market Cap of $26.16B, reflecting the substantial investment in mid-cap U.S. equities.
  • Beta of 1.11, indicating a higher volatility compared to the broader market.
  • Tracks the S&P MidCap 400 Index, providing diversified exposure to 400 mid-sized U.S. companies.
  • Passively managed ETF, aiming to minimize expenses and tracking error.
  • Offers liquidity and ease of access to the mid-cap market segment through intraday trading.

Competitors & Peers

Strengths

  • Diversified exposure to 400 mid-sized U.S. companies.
  • Low cost and high liquidity.
  • Passively managed, minimizing tracking error.
  • Established track record and brand recognition.

Weaknesses

  • Vulnerable to market downturns and economic slowdowns.
  • Beta of 1.11 indicates higher volatility than the overall market.
  • No dividend yield.
  • Limited potential for outperformance due to passive management.

Catalysts

  • Ongoing: Continued growth of the U.S. economy, which could drive earnings growth for mid-cap companies.
  • Ongoing: Increasing adoption of passive investing strategies.
  • Ongoing: Expansion of the ETF market and rising investor awareness.
  • Upcoming: Potential changes in the composition of the S&P MidCap 400 Index, which could lead to portfolio rebalancing and increased trading activity.

Risks

  • Potential: Economic downturns or market corrections, which could negatively impact the value of mid-cap stocks.
  • Ongoing: Increased competition from other ETFs and mutual funds.
  • Potential: Changes in investor sentiment and risk appetite.
  • Ongoing: Regulatory changes impacting the ETF market.

Growth Opportunities

  • Increased Adoption of Passive Investing: The growing trend of passive investing, driven by investors seeking lower costs and broad market exposure, presents a significant growth opportunity for MDY. As more investors allocate capital to passive strategies, MDY stands to benefit from increased inflows due to its established track record and diversified exposure to the U.S. mid-cap market. This trend is expected to continue over the next 5-10 years, with passive assets under management projected to grow at a rate of 8-10% annually.
  • Expansion of ETF Market: The global ETF market is experiencing rapid growth, driven by increasing investor awareness and the development of new and innovative ETF products. MDY can capitalize on this trend by attracting both retail and institutional investors seeking exposure to the U.S. mid-cap market. The ETF market is projected to reach $15 trillion by 2028, providing ample opportunity for MDY to expand its asset base.
  • Rising Interest in Mid-Cap Equities: Mid-cap stocks often offer a balance between the growth potential of small-cap stocks and the stability of large-cap stocks, making them a noteworthy option for investors seeking diversification and long-term growth. As investors become more aware of the benefits of mid-cap equities, MDY is well-positioned to capture increased demand for exposure to this market segment. This trend is expected to continue over the next 3-5 years, with mid-cap equities projected to outperform large-cap equities.
  • Strategic Partnerships and Distribution Agreements: MDY can expand its reach and attract new investors through strategic partnerships with financial advisors, brokerage firms, and other distribution channels. By forging alliances with key players in the financial services industry, MDY can increase its visibility and make its product more accessible to a wider range of investors. These partnerships can be established within the next 1-2 years, leading to increased inflows and asset growth.
  • Product Innovation and Expansion: MDY can enhance its product offerings by launching new ETFs that target specific segments of the mid-cap market, such as growth stocks, value stocks, or sector-specific ETFs. By expanding its product suite, MDY can cater to a wider range of investor preferences and capture additional market share. These new products can be developed and launched within the next 2-3 years, further solidifying MDY's position in the ETF market.

Opportunities

  • Increased adoption of passive investing.
  • Expansion of the ETF market.
  • Rising interest in mid-cap equities.
  • Strategic partnerships and distribution agreements.

Threats

  • Increased competition from other ETFs and mutual funds.
  • Changes in the composition of the S&P MidCap 400 Index.
  • Regulatory changes impacting the ETF market.
  • Economic downturns and market corrections.

Competitive Advantages

  • Scale: State Street is a large, established asset manager with significant resources and distribution capabilities.
  • Low Cost: MDY offers a low-cost way to access the U.S. mid-cap market.
  • Brand Recognition: SPDR ETFs are well-known and respected in the investment community.
  • Index Tracking: MDY's passive management style ensures that its performance closely aligns with that of the S&P MidCap 400 Index.

About MDY

The State Street SPDR S&P MidCap 400 ETF Trust (MDY) is designed to provide investment results that closely correspond to the price and yield performance of the S&P MidCap 400 Index. This passively managed ETF offers investors a way to access a broad range of mid-sized U.S. companies, reflecting the overall performance of this market segment. The fund operates under the umbrella of State Street Global Advisors, a leading asset manager with a long history in the financial services industry. The S&P MidCap 400 Index itself is a market-capitalization weighted index that is designed to measure the performance of the mid-range sector of the U.S. stock market, capturing approximately 7% of the total U.S. equity market. The index includes 400 of the leading mid-cap companies, chosen based on market capitalization, financial viability, and trading liquidity. MDY, therefore, provides a diversified portfolio of these companies, allowing investors to gain exposure to a segment that is often considered to offer a balance between the growth potential of small-cap stocks and the stability of large-cap stocks. MDY's investment strategy involves holding a portfolio of stocks that mirror the composition of the S&P MidCap 400 Index. This approach aims to minimize tracking error and ensure that the ETF's performance closely aligns with that of the underlying index. The fund is rebalanced periodically to reflect changes in the index composition, such as additions, deletions, and adjustments to company weightings. As an ETF, MDY offers investors the flexibility to buy or sell shares throughout the trading day, providing liquidity and ease of access to the mid-cap market segment.

What They Do

  • Provide investment results that correspond to the price and yield performance of the S&P MidCap 400 Index.
  • Offer investors diversified exposure to the U.S. mid-cap equity market.
  • Track the performance of 400 mid-sized U.S. companies.
  • Operate as a passively managed ETF, aiming to minimize expenses and tracking error.
  • Provide liquidity and ease of access to the mid-cap market segment through intraday trading.
  • Rebalance the portfolio periodically to reflect changes in the index composition.

Business Model

  • Generate revenue through management fees charged to investors.
  • Operate as a passively managed ETF, minimizing expenses through index tracking.
  • Provide a cost-effective way for investors to access the U.S. mid-cap equity market.

Industry Context

The asset management industry is characterized by intense competition among firms offering a wide range of investment products and services. ETFs, like MDY, have gained significant popularity due to their low cost, transparency, and liquidity. The market for mid-cap equities is influenced by overall economic conditions, investor sentiment, and sector-specific trends. MDY competes with other ETFs and mutual funds that target the mid-cap market segment. The growth of the ETF market is expected to continue, driven by increasing demand for passive investment strategies and the ongoing shift towards lower-cost investment options.

Key Customers

  • Retail investors seeking diversified exposure to the U.S. mid-cap market.
  • Institutional investors, including pension funds, endowments, and foundations.
  • Financial advisors using MDY as a building block in client portfolios.
AI Confidence: 83% Updated: Mar 17, 2026

Financials

Chart & Info

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) stock price: Price data unavailable

Latest News

Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for MDY.

Price Targets

Wall Street price target analysis for MDY.

MoonshotScore

47/100

What does this score mean?

The MoonshotScore rates MDY's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

MDY Financial Services Stock FAQ

What does State Street SPDR S&P MidCap 400 ETF Trust do?

State Street SPDR S&P MidCap 400 ETF Trust (MDY) is an exchange-traded fund designed to mirror the performance of the S&P MidCap 400 Index. It provides investors with a diversified portfolio of 400 mid-sized U.S. companies, offering exposure to a segment of the market that balances growth potential with relative stability compared to small-cap stocks. The fund operates on a passive management strategy, aiming to replicate the index's returns with minimal expenses, making it a cost-effective option for investors seeking broad mid-cap market exposure.

What do analysts say about MDY stock?

As of 2026-03-17, analyst consensus on MDY is pending AI analysis. However, key valuation metrics to consider include the fund's market cap of $26.16 billion and its beta of 1.11, indicating a higher volatility compared to the broader market. Growth considerations revolve around the performance of the U.S. mid-cap equity market and the continued adoption of passive investment strategies. Investors should conduct their own due diligence and consider their individual risk tolerance and investment objectives before investing in MDY.

What are the main risks for MDY?

The main risks for MDY include market downturns and economic slowdowns, which could negatively impact the value of mid-cap stocks. Additionally, increased competition from other ETFs and mutual funds could put pressure on MDY's market share and management fees. Changes in investor sentiment and risk appetite, as well as regulatory changes impacting the ETF market, also pose potential risks. Investors should carefully consider these risks before investing in MDY and monitor market conditions and regulatory developments closely.

How does State Street SPDR S&P MidCap 400 ETF Trust manage risk within its portfolio?

As a passively managed ETF, MDY primarily mitigates risk through diversification. By tracking the S&P MidCap 400 Index, the fund provides exposure to a broad range of 400 mid-sized U.S. companies across various sectors, reducing the impact of any single company's performance on the overall portfolio. The fund is rebalanced periodically to maintain its alignment with the index, ensuring that its risk profile remains consistent with the mid-cap market segment. However, MDY is still subject to systemic risks affecting the overall market.

How is State Street SPDR S&P MidCap 400 ETF Trust positioned to benefit from potential interest rate changes?

The impact of interest rate changes on MDY is indirect and depends on how these changes affect the underlying companies in the S&P MidCap 400 Index. Generally, rising interest rates can negatively impact companies with high debt levels, while falling rates can provide a boost to economic activity and corporate earnings. MDY's diversified portfolio helps to mitigate the impact of interest rate changes on individual companies, but the overall performance of the fund will be influenced by the broader macroeconomic environment and the performance of the mid-cap market segment.

What are the key factors to evaluate for MDY?

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) currently holds an AI score of 47/100, indicating low score. Key strength: Diversified exposure to 400 mid-sized U.S. companies.. Primary risk to monitor: Potential: Economic downturns or market corrections, which could negatively impact the value of mid-cap stocks.. This is not financial advice.

How frequently does MDY data refresh on this page?

MDY prices update in real time during U.S. market hours (9:30 AM-4:00 PM ET, weekdays). Fundamentals refresh after quarterly or annual filings. Analyst ratings and AI insights update daily. News is aggregated continuously from financial sources.

What has driven MDY's recent stock price performance?

Recent price movement in State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) can be influenced by earnings results, analyst revisions, sector rotation, and broader market sentiment. Notable catalyst: Diversified exposure to 400 mid-sized U.S. companies.. Check the News and Technical Analysis tabs for the latest drivers. Past performance does not predict future results.

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 AI Score refreshed daily
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 provided for informational purposes only.

Analysis Notes
  • AI analysis pending for MDY, which may provide additional insights.
Data Sources

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