An activist investor raised its stake in Leawood-based animal health company Aratana Therapeutics Inc.
Engaged Capital LLC, a fund that focuses on small to medium-sized companies, boosted its stake in Aratana from 6.8 percent to 8.1 percent. According to an agreement the companies struck in May, the Newport Beach, Calif., activist hedge fund can't raise its stake above 9.9 percent during the next year.
As of Aug. 7, the fund had 3.24 million shares of Aratana's stock (Nasdaq: PETX). During the…