Coastline Trust Co’s holdings in Vanguard S&P Mid-Cap 400 ETF were worth $3,745,000 as of its most recent SEC filing. Get Vanguard S&P Mid-Cap 400 ETF alerts:Vanguard S&P Mid-Cap 400 ETF Trading Up 1.0%IVOO stock opened at $110.54 on Friday. About Vanguard S&P Mid-Cap 400 ETFThe Vanguard S&P Mid-Cap 400 ETF (IVOO) is an exchange-traded fund that is based on the S&P Mid Cap 400 index. Visit HoldingsChannel.com to get the latest 13F filings and insider trades for Vanguard S&P Mid-Cap 400 ETF (NYSEARCA:IVOO – Free Report). Receive News & Ratings for Vanguard S&P Mid-Cap 400 ETF Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Vanguard S&P Mid-Cap 400 ETF and related companies with MarketBeat.com's FREE daily email newsletter.