The VanEck Biotech ETF (BBH) was launched on 12/20/2011, and is a passively managed exchange traded fund designed to offer broad exposure to the Healthcare - Biotech segment of the equity market.Retail and institutional investors increasingly turn to passively managed ETFs because they offer low costs, transparency, flexibility, and tax efficiency; these kind of funds are also excellent vehicles for long term investors.Sector ETFs also provide investors access to a broad group of companies in particular sectors that offer low risk and diversified exposure. Healthcare - Biotech is one of the 16 broad Zacks sectors within the Zacks Industry classification. It is currently ranked 2, placing it in top 13%.Index DetailsThe fund is sponsored by Van Eck. It has amassed assets over $512.46 million, making it one of the average sized ETFs attempting to match the performance of the Healthcare - Biotech segment of the equity market. BBH seeks to match the performance of the MVIS US Listed Biotech 25 Index before fees and expenses.The MVIS US Listed Biotech 25 Index tracks the overall performance of companies involved in the development and production, marketing and sales of drugs based on genetic analysis and diagnostic equipment.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 0.35%, making it one of the least expensive products in the space.It has a 12-month trailing dividend yield of 0.24%.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 in the Healthcare sector--about 100% of the portfolio.Looking at individual holdings, Amgen Inc (AMGN) accounts for about 13.09% of total assets, followed by Gilead Sciences Inc (GILD) and Vertex Pharmaceuticals Inc (VRTX).The top 10 holdings account for about 63.49% of total assets under management.Performance and RiskThe ETF has lost about -11.36% so far this year and is down about -14.29% in the last one year (as of 11/22/2022). In that past 52-week period, it has traded between $132.48 and $198.48.The ETF has a beta of 0.84 and standard deviation of 27.66% for the trailing three-year period, making it a high risk choice in the space. With about 26 holdings, it has more concentrated exposure than peers.AlternativesVanEck Biotech 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, BBH is an excellent option for investors seeking exposure to the Health Care ETFs segment of the market. There are other additional ETFs in the space that investors could consider as well.SPDR S&P Biotech ETF (XBI) tracks S&P Biotechnology Select Industry Index and the iShares Biotechnology ETF (IBB) tracks Nasdaq Biotechnology Index. SPDR S&P Biotech ETF has $7.85 billion in assets, iShares Biotechnology ETF has $8.87 billion. XBI has an expense ratio of 0.35% and IBB charges 0.44%.Bottom LineTo 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 VanEck Biotech ETF (BBH): ETF Research Reports Amgen Inc. (AMGN): Free Stock Analysis Report Gilead Sciences, Inc. (GILD): Free Stock Analysis Report Vertex Pharmaceuticals Incorporated (VRTX): Free Stock Analysis Report iShares Biotechnology ETF (IBB): ETF Research Reports SPDR S&P Biotech ETF (XBI): ETF Research Reports To read this article on Zacks.com click here. Zacks Investment Research