Each week, readers can see a few distinct tiers, from the Vanguards and BlackRocks of the world to the upstarts like Dimensional Fund Advisors and First Trust to a whole gauntlet of boutiques and specialist managers in the ETF Issuer League. It’s expected that Vanguard and BlackRock, the latter through its iShares ETF suite, will [...] The post ETF Issuer League: ProShares 3rd in Flows appeared first on ETF Trends .