Yahoo Finance·2025-12-13 23:41Core 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]