SPDR Portfolio S&P 400 Mid Cap ETF comprises 2.1% of Waller Financial Planning Group Inc.’s investment portfolio, making the stock its 14th biggest holding. Waller Financial Planning Group Inc. owned approximately 0.06% of SPDR Portfolio S&P 400 Mid Cap ETF worth $10,229,000 at the end of the most recent reporting period. Get SPDR Portfolio S&P 400 Mid Cap ETF alerts:SPDR Portfolio S&P 400 Mid Cap ETF Price PerformanceShares of SPDR Portfolio S&P 400 Mid Cap ETF stock opened at $67.91 on Wednesday. About SPDR Portfolio S&P 400 Mid Cap ETFThe SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) is an exchange-traded fund that is based on the S&P Mid Cap 400 index. Receive News & Ratings for SPDR Portfolio S&P 400 Mid Cap ETF Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for SPDR Portfolio S&P 400 Mid Cap ETF and related companies with MarketBeat.com's FREE daily email newsletter.