Launched on 01/26/2004, the Vanguard SmallCap ETF (VB) is a passively managed exchange traded fund designed to provide a broad exposure to the Small Cap Blend segment of the US equity market.The fund is sponsored by Vanguard. It has amassed assets over $44.30 billion, making it one of the largest ETFs attempting to match the Small Cap Blend segment of the US equity market.Why Small Cap BlendSmall cap companies have market capitalization below $2 billion. They usually have higher potential than large and mid cap companies with stocks but higher risk.Blend ETFs are aptly named, since they tend to hold a mix of growth and value stocks, as well as show characteristics of both kinds of equities.CostsCost is an important factor in selecting the right ETF, and cheaper funds can significantly outperform their more expensive counterparts if all other fundamentals are the same.Annual operating expenses for this ETF are 0.05%, making it one of the least expensive products in the space.It has a 12-month trailing dividend yield of 1.40%.Sector Exposure and Top HoldingsWhile ETFs offer diversified exposure, which minimizes single stock risk, a deep look into a fund's holdings is a valuable exercise. And, most ETFs are very transparent products that disclose their holdings on a daily basis.This ETF has heaviest allocation to the Industrials sector--about 18.20% of the portfolio. Financials and Information Technology round out the top three.Looking at individual holdings, Slcmt1142 accounts for about 1.05% of total assets, followed by Mktliq and Bio-Techne Corp. (TECH).Performance and RiskVB seeks to match the performance of the CRSP US Small Cap Index before fees and expenses. The CRSP US Small Cap Index includes U.S. companies that fall between the bottom 2%-15% of the investable market capitalization. There is no lower limit in market capitalization. The index includes securities traded on NYSE, NYSE Market, NASDAQ or ARCA.The ETF has lost about -12.51% so far this year and is down about -8.78% in the last one year (as of 03/15/2022). In the past 52-week period, it has traded between $198.73 and $239.37.The ETF has a beta of 1.16 and standard deviation of 26.91% for the trailing three-year period, making it a medium risk choice in the space. With about 1523 holdings, it effectively diversifies company-specific risk.AlternativesVanguard SmallCap ETF holds a Zacks ETF Rank of 2 (Buy), which is based on expected asset class return, expense ratio, and momentum, among other factors. Because of this, VB is an outstanding option for investors seeking exposure to the Style Box - Small Cap Blend segment of the market. There are other additional ETFs in the space that investors could consider as well.The iShares Russell 2000 ETF (IWM) and the iShares Core S&P SmallCap ETF (IJR) track a similar index. While iShares Russell 2000 ETF has $59.32 billion in assets, iShares Core S&P SmallCap ETF has $69.06 billion. IWM has an expense ratio of 0.19% and IJR charges 0.06%.Bottom-LineWhile an excellent vehicle for long term investors, passively managed ETFs are a popular choice among institutional and retail investors due to their low costs, transparency, flexibility, and tax efficiency.To learn more about this product and other ETFs, screen for products that match your investment objectives and read articles on latest developments in the ETF investing universe, please visit Zacks ETF Center. Want key ETF info delivered straight to your inbox? Zacks’ free Fund Newsletter will brief you on top news and analysis, as well as top-performing ETFs, each week.Get it free >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Vanguard SmallCap ETF (VB): ETF Research Reports iShares Russell 2000 ETF (IWM): ETF Research Reports BioTechne Corp (TECH): Free Stock Analysis Report iShares Core S&P SmallCap ETF (IJR): ETF Research Reports To read this article on Zacks.com click here.