IVOG vs MDYG

Key Takeaways

• Both IVOG and MDYG track the S&P MidCap 400 Growth Index, delivering nearly identical exposure to mid-capitalization U.S. growth stocks selected on sales growth, earnings-to-price ratios, and momentum.
• IVOG offers a lower expense ratio of 0.10% compared with MDYG at 0.15%, providing a modest long-term cost advantage for buy-and-hold investors.
• Each fund holds approximately 240–250 securities, with substantial overlap exceeding 90% by weight, resulting in highly correlated performance and similar sector allocations dominated by technology, healthcare, and industrials.
• MDYG maintains a larger asset base and higher average daily trading volume, supporting slightly tighter bid-ask spreads and greater liquidity for active traders.
• Both ETFs employ passive, market-capitalization-weighted strategies with quarterly rebalancing, offering broad diversification within the mid-cap growth segment without leverage or active management overlays.
• Structural differences center on issuer (Vanguard versus State Street), expense efficiency, and liquidity profiles rather than fundamental index methodology or thematic focus.

Introduction

Mid-cap growth ETFs have drawn renewed investor attention amid shifting economic conditions, including moderating interest rates and evolving sector leadership. IVOG and MDYG compete directly by tracking the same S&P MidCap 400 Growth Index, providing investors with two low-cost vehicles for exposure to U.S. mid-capitalization companies exhibiting growth characteristics. The comparison highlights differences in cost structure, liquidity, and operational features within an otherwise highly similar exposure profile.

Vanguard S&P Mid-Cap 400 Growth ETF (IVOG) Overview

The Vanguard S&P Mid-Cap 400 Growth ETF (IVOG) seeks to track the S&P MidCap 400 Growth Index through a passive, full-replication strategy. The fund typically holds around 244 securities, with top holdings including companies such as Comfort Systems USA, Pure Storage, and Curtiss-Wright. Sector allocations emphasize technology, healthcare, and industrials. It carries an expense ratio of 0.10% and maintains a market-capitalization-weighted approach with quarterly rebalancing. Distinguishing features include Vanguard’s efficient indexing platform and competitive fee structure.

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) Overview

The State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) also tracks the S&P MidCap 400 Growth Index using a passive sampling methodology. The fund generally holds approximately 243–247 securities, featuring overlapping top holdings such as Comfort Systems USA, Coherent, and United Therapeutics. Sector weightings mirror those of IVOG, with primary exposure to technology, healthcare, and industrials. It maintains an expense ratio of 0.15% and employs quarterly rebalancing aligned with the underlying index.

Industry and Thematic Backdrop

The mid-cap growth segment benefits from secular trends in technology innovation, healthcare advancements, and industrial automation. Macroeconomic drivers include expectations around monetary policy easing, corporate earnings expansion in growth-oriented industries, and ongoing capital allocation toward companies demonstrating scalable business models. Sector risks encompass valuation compression in high-growth names, potential regulatory scrutiny in technology and healthcare, and sensitivity to broader equity market rotations between growth and value styles.

Performance and Positioning Comparison

Over recent market cycles, both ETFs have exhibited closely aligned returns driven by shared holdings and identical index methodology. IVOG’s lower expense ratio contributes to a slight edge in net performance during extended holding periods. Relative positioning remains similar, with comparable volatility profiles tied to mid-cap growth dynamics, sector rotation favoring technology and healthcare, and responsiveness to earnings cycles among top constituents. Liquidity differences may influence short-term trading costs but have limited impact on long-term total returns.

AI Screener

Tickeron’s AI Screener is an AI-powered stock and ETF discovery tool that helps traders and investors filter the market based on technical patterns, fundamentals, trends, volatility, and AI-driven signals. Users can scan thousands of stocks and ETFs using customizable filters such as industry, market capitalization, technical indicators, price patterns, and performance metrics. The screener helps identify trade ideas, trending stocks, breakout candidates, and market opportunities more efficiently than manual screening. Investors seeking data-driven insights into mid-cap growth opportunities can access the tool directly through the provided link.

Tickeron AI Verdict

Based on observable structural factors, Tickeron’s AI would currently assign a modest probabilistic preference to IVOG due to its lower expense ratio, which supports incrementally higher net returns over multi-year horizons while maintaining nearly identical diversification and sector exposure. Both funds demonstrate strong cost efficiency and liquidity, yet the fee differential tilts the balance toward IVOG for cost-conscious, long-term investors within the mid-cap growth category.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

Disclaimers and Limitations