Vanguard's VOO Set to Become First $1 Trillion ETF, Outpacing SPY in Fees

The Vanguard S&P 500 ETF (VOO) is poised to become the first exchange-traded fund (ETF) to exceed $1 trillion in assets, a significant milestone in the investment world. VOO charges an expense ratio of just 3 basis points, compared to the 9.45 basis points charged by the SPDR S&P 500 ETF Trust (SPY), which has been the go-to ETF for S&P 500 exposure since its inception in 1993. This fee difference translates to substantial savings for long-term investors, particularly over decades of compounding returns.

SPY, while still the most traded ETF globally, has a structural quirk due to its organization as a unit investment trust. This structure prevents it from reinvesting dividends immediately, leaving cash idle and potentially impacting performance. In contrast, VOO, as an open-end fund, reinvests dividends promptly, which can enhance returns in a rising market.

Both ETFs track the same index and hold the same stocks, with top holdings including NVIDIA, Apple, and Microsoft. However, VOO's lower fees and more efficient dividend reinvestment strategy have contributed to its growing popularity among investors.

State Street, the issuer of SPY, has recognized the competitive pressure from VOO and introduced the SPDR Portfolio S&P 500 ETF (SPYM), which charges only 0.02%. However, SPYM's smaller asset base results in wider spreads and less liquidity, making it less appealing for active traders.

For investors in taxable accounts, switching from SPY to VOO or SPYM could trigger capital gains taxes, complicating the decision-making process. Nevertheless, for those in tax-advantaged accounts, the transition is straightforward and could lead to significant long-term savings.

As VOO approaches this historic milestone, it reflects a broader trend in the market favoring lower-cost investment options, prompting SPY holders to reassess their positions in light of the evolving ETF landscape.