For his Mid-Cap Fundamentals portfolio, Covestor model manager John Ballard uses a long term buy-and-hold strategy. Ballard averages 19 trades per month, and this portfolio’s current top holdings include Markel Corp (MKL), Activision Blizzard (ATVI), Apple (AAPL), Retail Opportunity Investments (ROIC) and Seabridge Gold (SA) (as of end of day […]