Vanguard S&P 500 Value ETF VOOV With AUM of $3.07 billion, the Zacks Rank #1 Vanguard S&P 500 Value ETF tracks the performance of the S&P 500 Value Index. Vanguard S&P 500 Value ETF (VOOV): ETF Research Reports High inflation levels, the aggressive stance of the Fed on interest rate hikes and the Russia-Ukraine war crisis have added to the market uncertainties in 2022.