Waddell Reed now holds more than 5M shares in Laureate (more than 10% of LAUR shares).
https://www.sec.gov/Archives/edgar/data/912766/000119312517280605/d436005dsc13g.htm
My guess is that they hope to make better returns with this risky investment.
Waddell Reed is an old financial firm that appears to be out of touch. They had layoffs in 2016 after posting poor returns.