Parthenon Llc increased its stake in Churchill Downs Inc (CHDN) by 200% based on its latest 2019Q1 regulatory filing with the SEC. Parthenon Llc bought 41,764 shares as the company’s stock rose 1.12% with the market. The hedge fund held 62,646 shares of the consumer services company at the end of 2019Q1, valued at $5.65…