Daniel Loeb was once a featured speaker at a Las Vegas event considered a staple of the hedge fund circuit. This year the billionaire manager didn’t show.

The SkyBridge Alternatives Conference, known as SALT, is famous for attracting heavyweight investors along with celebrities and politicians. But a number of hedge fund stars such as Ken Griffin, Steve Cohen, David Tepper and Paul Singer were missing this year from the halls of the Bellagio after speaking or attending in the past, according to event organisers.