WestEnd Advisors LLC boosted its holdings in iShares Core S&P 500 ETF (NYSEARCA:IVV – Free Report) by 66.7% in the fourth quarter, Holdings Channel reports. The firm owned 630 shares of the company’s stock after purchasing an additional 252 shares during the quarter. WestEnd Advisors LLC’s holdings in iShares Core S&P 500 ETF were worth […]