Janus Capital Group saw net outflows of $3.3bn (£2.1bn) in the third quarter of 2015.
In its third quarter results, published today, the global investment manager revealed net outflows of $400m from exchange-traded products over the same period.
Assets under management also decreased from $192.5bn to $185bn over the third quarter.
Net income was significantly down at $19.9m compared to $44.7m the previous quarter because of losses incurred by the early retirement of debt.
However, revenues increased slightly from Q2 2015, rising from $271.9m to to $273.8m.