BlackRock Is Tweaking the S&P 500 Formula With Its New ETFs. Should You Be a Buyer?

The largest and most popular exchange-traded funds (ETFs) are those that track the performance of the S&P 500. In fact, the three largest ETFs as measured by assets under management are all ones that mimic the performance of this benchmark index. These funds include the Vanguard S&P 500 ETF (NYSEMKT: VOO), the SPDR S&P 500 ETF Trust (NYSEMKT: SPY), and the iShares Core S&P 500 ETF (NYSEMKT: IVV).However, some investors have raised concerns about the current heavy concentration of megacap stocks that now dominate the S&P 500. As of July 9, the S&P 500's top three holdings of Nvidia, Microsoft, and Apple made up over 20% of its holdings, while its top 10 holdings represented 38% of the index. With megacap stocks dominating the S&P 500, BlackRock (NYSE: BLK) introduced a couple of new ETFs to let investors invest in the index without the megacap exposure. In April, the company launched the iShares S&P 500 3% Capped ETF (NYSEMKT: TOPC), while earlier this month it introduced the iShares S&P 500 ex Top 100 ETF (NYSEMKT: XOEF). The former ETF tracks the performance of the S&P 500 index, but caps each holding's weighting at a maximum of 3%. For stocks that have a weighting above 3% in the S&P 500, the excess weight is redistributed to companies that have not yet reached the 3% cap. Currently, only its top five holdings have a weighting of 3% or slightly above. Continue readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool