Small-cap ETFs are back in focus as investors weigh interest-rate expectations, domestic manufacturing investment, and the broadening of market leadership beyond mega-cap technology. The iShares Core S&P Small-Cap ETF (IJR) and the Vanguard Small-Cap ETF (VB) are two of the largest, most liquid funds competing for the same investor dollar. They are not identical products: while both deliver diversified U.S. small-cap equity exposure, they follow different benchmarks, hold different numbers of stocks, and lean toward different sectors. This comparison examines their structural characteristics, sector exposure, fund performance, and relative positioning to help investors understand which vehicle may better suit current market conditions. I also checked this using Tickeron’s AI Screener to see how the funds compare to others in the industry.
Issued by BlackRock and launched in May 2000, IJR is a passively managed fund that seeks to track the S&P SmallCap 600 Index, a widely followed benchmark of roughly 600 smaller U.S. companies. A defining structural feature is the index's earnings screen: constituents must generally demonstrate positive earnings, giving IJR a built-in quality tilt that excludes many unprofitable early-stage businesses.
The fund holds about 600 to 660 securities and carries a net expense ratio of 0.06%. Sector exposure is led by financials (about 17%), followed by industrials, information technology, consumer discretionary, and health care. Top holdings typically include names such as FormFactor, Glaukos, Viasat, Qorvo, and Match Group, with no single position exceeding roughly 0.7% of assets. This low concentration, combined with its profitability filter, makes IJR a disciplined, benchmark-driven small-cap core holding.
Launched by Vanguard in January 2004, VB seeks to track the CRSP U.S. Small Cap Index, maintained by the Center for Research in Security Prices (CRSP). This index captures the broad band of U.S. companies ranked between roughly the bottom 2% and 15% of total investable market capitalization, so it spans micro-cap through smaller mid-cap territory and holds approximately 1,300 to 1,350 stocks.
At a 0.03% expense ratio, VB is one of the lowest-cost small-cap funds available. Its sector allocation is led by industrials (around 20%), followed by information technology, financials, and health care. Top holdings have historically included Natera, Twilio, Revolution Medicines, Illumina, and EMCOR Group. Because the CRSP benchmark does not require a profitability screen, VB carries greater exposure to growth-oriented and pre-profit companies than IJR, contributing to its broader, more diversified profile. From what I see, this broader reach stands out when scanning for opportunities across the small-cap space.
Both funds operate within the U.S. small-cap equity complex, which is highly sensitive to the interest-rate environment because smaller companies often carry more floating-rate debt and rely on regional-bank financing. Recent market cycles have seen investors rotate toward domestic cyclicals on expectations of reshoring, infrastructure spending, and continued investment in data centers and artificial intelligence (AI) hardware — themes that favor industrials and technology names prominent in VB. Financials, the largest sleeve in IJR, remain tied to credit conditions, net interest margins, and the health of regional banks. Meanwhile, small-cap valuations relative to large caps have attracted renewed attention as investors seek diversification away from concentrated mega-cap leadership, though higher-for-longer rates and economic-growth uncertainty remain key sector risks for both ETFs.
Over recent weeks and months, IJR and VB have moved largely in tandem, reflecting their shared small-cap DNA and similar five-year drawdown and beta characteristics. Relative positioning, however, has diverged at the margin. VB has drawn support from its overweight to industrials and information technology, segments benefiting from capital-expenditure and AI-infrastructure momentum, while its inclusion of pre-profit growth names adds sensitivity to shifts in long-duration valuations. IJR, by contrast, has been steadier through periods of earnings-driven sector rotation because of its profitability requirement and heavier financials exposure, which can lag when rate-cut expectations fade. In broad terms, VB offers slightly more upside sensitivity to cyclical and innovation themes, whereas IJR provides a more quality-filtered, defensive tilt within small caps. One thing that stands out is how these differences play out in sector momentum.
Based on observable structural factors, Tickeron's AI would currently lean toward VB. Its lower 0.03% expense ratio, significantly broader diversification across roughly 1,300 holdings, and heavier weighting to industrials and technology align more closely with the prevailing reshoring and AI-infrastructure themes driving small-cap leadership. While IJR offers a valuable quality tilt through its profitability screen, VB's cost efficiency, trend consistency, and sector momentum give it a modest probabilistic edge in the current environment. This assessment reflects structural characteristics rather than a personalized recommendation. I’m watching this closely as market conditions evolve.
In my analysis of small-cap ETFs like IJR and VB, I often turn to Tickeron’s AI Screener to quickly filter technical patterns, fundamentals, and momentum signals across thousands of securities. This tool has helped me spot relative-strength opportunities in the small-cap space more efficiently than manual reviews alone. It’s become a regular part of how I compare fund exposures and identify emerging trends without sifting through endless data.
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.
I’m a trader and independent researcher. My interest lies at the intersection of financial markets, algorithms, and capital management. I develop data-driven tools and strategies and study algorithmic approaches to market analysis. I help turn complex market data into clear insights and practical systems. I believe technology should support, not replace, investment thinking
IJR saw its Momentum Indicator move above the 0 level on October 21, 2026. This is an indication that the stock could be shifting in to a new upward move. Traders may want to consider buying the stock or buying call options. Tickeron's A.I.dvisor looked at 98 similar instances where the indicator turned positive. In 89 of the 98 cases, the stock moved higher in the following days. The odds of a move higher are at 90%.
The Moving Average Convergence Divergence (MACD) for IJR just turned positive on October 02, 2026. Looking at past instances where IJR's MACD turned positive, the stock continued to rise in 37 of 45 cases over the following month. The odds of a continued upward trend are 82%.
IJR moved above its 50-day moving average on October 29, 2026 date and that indicates a change from a downward trend to an upward trend.
Following a +1.67% 3-day Advance, the price is estimated to grow further. Considering data from situations where IJR advanced for three days, in 238 of 289 cases, the price rose further within the following month. The odds of a continued upward trend are 82%.
The 10-day RSI Indicator for IJR moved out of overbought territory on October 30, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 32 similar instances where the indicator moved out of overbought territory. In 29 of the 32 cases, the stock moved lower in the following days. This puts the odds of a move lower at 90%.
The Stochastic Oscillator demonstrated that the ticker has stayed in the overbought zone for 8 days. The longer the ticker stays in the overbought zone, the sooner a price pull-back is expected.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where IJR declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 82%.
IJR broke above its upper Bollinger Band on October 29, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
The Aroon Indicator for IJR entered a downward trend on October 23, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows
Category SmallBlend