From Todd Shriber
: Given its asset-gathering acumen and penchant for delivering some of the lowest cost exchange traded funds, it was just a matter of time before Vanguard entered the $1 trillion ETF club. The Pennsylvania-based index fund giant has done just that, joining BlackRock Inc
.'s BLK 0.77%
iShares brand as the only two U.S. ETF issuers in that club.