The transitions units of BNY Mellon and JP Morgan are the latest to be affected, against a backdrop of reduced activity in the industry and lawsuits against other providers.
Recent lawsuits involving transition managers in the UK and US are seen as likely to have a knock-on effect globally, including in the Asia-Pacific region.
The bank has moved to centralise transition management resources in response to sluggish industry flows, cutting its Asia-Pacific head of TM, Tom Wyse.
In the medium to long term, institutions are expected to rebalance portfolios after Japan's natural disaster, but transition managers don't predict big shifts out of the market.