A seemingly unstoppable flood of money has Vanguard Group Inc. on the brink of claiming a crown that State Street Corp. has held for decades.

Distinct differences The simplest way to understand the differences between the Vanguard Growth ETF and the Vanguard Value ETF is to know what each fund comprises and how that composition stacks up against the Vanguard S&P 500 ETF (NYSEMKT: VOO),

While all ETFs are different, there are two Vanguard funds I personally own and plan to continue buying for decades. An S&P 500 ETF tracks the S&P 500 ( ^GSPC 1.00%), meaning it includes all the stocks within the index. These stocks come from 500 of the largest companies in the U.S. across all corners of the market.