Pfizer CEO Albert BourlaAP Photo/Pablo Martinez MonsivaisActivist hedge fund Starboard has taken a stake in drug giant Pfizer.Starboard execs met with company officials last week to outline their complaints.See highlights from the 74-page slideshow Starboard presented to Pfizer at the meeting.Activist hedge fund manager Jeff Smith outlined his concerns about drugmaker Pfizer on Tuesday but stopped short of offering a solution —  saying that's a job for the board of directors.Speaking at the 13D Monitor conference on activist investing in Manhattan, Smith, known for changing companies from within by winning board seats, said Pfizer needed to "amp up the accountability."