The three ETFs, the Quadratic Interest Rate Volatility & Inflation Hedge ETF (IVOL), the RPAR Risk Parity ETF (RPAR), and the iMGP DBi Managed Futures Strategy ETF (DBMF) took $1.4 billion, $1.37 billion, and $1 billion in three-year flows, respectively. DBMF also stands out with the fourth-best returns over three years, returning 45.5% over that period. AVUV, the largest gainer among passive and active ETFs launched in 2019, targets U.S. small-cap value stocks, using fundamental screens including outstanding shares, cash flow, and price-to-book value.