Fidelity has targeted Long Term Incentive Plans (LTIPs) which, despite their name, frequently dish out multi-million-pound rewards after as little as three years.
From 2015 it will not back any scheme of less than five years.
The fund manager, which ranks among the most powerful shareholders in the City, has voted against at least one pay proposal at 52pc of annual meetings held so far this year by
Rossi said previous attempts at a softer approach did not have an impact, but that there was evidence Fidelity's tough new stance is working.
'The standard three-year model is broken and is now in retreat,' Rossi said. 'The great financial crisis will lead to many changes. We are in a different era.'
His campaign for longer-term incentives had not attracted a 'groundswell of support' from other big City investors, and he suggested this was because some of the large asset managers 'have their own LTIPs'.
Senior staff at Fidelity can buy shares with their annual bonus which they can cash only when they leave the firm or retire.
(c)2014 Daily Mail (London, )
Visit the Daily Mail (London, ) at www.dailymail.co.uk/home/index.html
Distributed by MCT Information Services