Click to view a price quote on CUTR. Click to research the Health Services industry. : In a year where some of the biggest names in activism—Nelson Peltz, David Einhorn, and Bill Ackman to name a few —had less-than-stellar returns, a few less-known activist hedge fund managers performed surprisingly well. Leading the pack was sometimes-activist investor Voce Capital Management's Daniel Plants, with 19% returns for the year, according to a person familiar with the situation.