Explore how sector mix and company size shape the risk and diversification profiles of these two growth-focused ETFs.Vanguard S&P 500 Growth ETF (VOOG +0.16%) and iShares Russell 2000 Growth ETF (IWO 0.26%) differ sharply on cost, volatility, and portfolio makeup, with VOOG offering lower expenses and a tech tilt, while IWO brings broader diversification and small-cap growth exposure.VOOG tracks large-cap U.S. growth stocks in the S&P 500, making it a staple for investors seeking blue chip growth exposure. ...

Core Insights - The Vanguard Mega Cap Growth ETF (MGK) is more concentrated with 66 holdings and 69% of assets in technology, while the Vanguard S&P 500 Growth ETF (VOOG) holds 217 stocks, providing broader diversification [1][2][4] - Both funds have the same low expense ratio of 0.07%, but VOOG offers a slightly higher yield compared to MGK [3][6] - The primary distinction between the two funds lies in their exposure to the technology sector, with MGK having a heavier tilt towards tech stocks [7][8] Fund Comparison - MGK's top three positions—NVIDIA, Apple, and Microsoft—account for over 38% of its portfolio, while VOOG's largest positions are NVIDIA (15.3%), Microsoft (6.2%), and Apple (5.7%) [1][2][7] - VOOG has a more diversified sector allocation, with technology making up 44% of assets, followed by communication services at 15% and consumer cyclical at 12% [2][5] - Investors should consider their desired exposure to technology when choosing between MGK and VOOG, as MGK is more concentrated in this sector [8]

Core Insights - The iShares Semiconductor ETF (SOXX) and the Vanguard Information Technology ETF (VGT) offer different investment strategies within the tech sector, with SOXX focusing exclusively on semiconductors and VGT providing broader exposure to various technology industries [1][2] Expense and Size Comparison - SOXX has an expense ratio of 0.34% and assets under management (AUM) of $16.7 billion, while VGT has a lower expense ratio of 0.09% and AUM of $130.0 billion [3] - The one-year return for SOXX is 47.25%, significantly higher than VGT's 23.06%, although SOXX has a slightly higher dividend yield of 0.55% compared to VGT's 0.41% [3] Performance and Risk Metrics - Over five years, SOXX has a maximum drawdown of -45.75%, while VGT's is -35.08% [4] - A $1,000 investment in SOXX would have grown to $2,541, compared to $2,292 for VGT over the same period [4] Portfolio Composition - VGT holds 314 stocks, with major positions in Nvidia (18.18%), Apple (14.29%), and Microsoft (12.93%), indicating a heavy concentration in mega-cap tech [5] - SOXX is concentrated in 30 semiconductor companies, with top holdings including Advanced Micro Devices, Broadcom, and Micron Technology, each representing around 7% to 8% of the fund [6] Investment Implications - SOXX's focused approach may lead to higher returns during semiconductor industry growth but also increases risk due to lack of diversification [7][10] - VGT's broader portfolio can mitigate risk during market volatility, making it potentially less susceptible to downturns in the semiconductor sector [9][11]