Parallel Advisors LLC’s holdings in Vanguard S&P 500 ETF were worth $31,506,000 as of its most recent filing with the Securities and Exchange Commission (SEC). Vanguard Group Inc. boosted its holdings in shares of Vanguard S&P 500 ETF by 3.0% during the 4th quarter. Get Vanguard S&P 500 ETF alerts:Key Vanguard S&P 500 ETF NewsHere are the key news stories impacting Vanguard S&P 500 ETF this week:Vanguard S&P 500 ETF Stock Up 1.8%Vanguard S&P 500 ETF ProfileShares of NYSEARCA VOO opened at $708.98 on Wednesday. The Fund offers four classes of shares: Investor Shares, Admiral Shares, Signal Shares, and Exchange Traded Fund (ETF) Shares. Receive News & Ratings for Vanguard S&P 500 ETF Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Vanguard S&P 500 ETF and related companies with MarketBeat.com's FREE daily email newsletter.