Gladstone Institutional Advisory LLC increased its position in Vanguard Mid-Cap Value ETF (NYSEARCA:VOE – Free Report) by 8.7% in the fourth quarter, HoldingsChannel.com reports. The institutional investor owned 5,374 shares of the company’s stock after acquiring an additional 429 shares during the period. Gladstone Institutional Advisory LLC’s holdings in Vanguard Mid-Cap Value ETF were worth […]