Legal and General Investment Management(LGIM) reported a 14% increase in operating profit to £234m for 2011, while AUM rose 5% to £371bn, from £354bn the previous year.
M&G tops both retail sales lists as investors seek out bond funds, while BlackRock's active and passive vehicles also prove popular.
A 44-year-old man employed at Legal & General Investment Management has been arrested by the Financial Services Authority (FSA).
The decision by Standard and Poor's to strip France of its prized AAA-rating came as no surprise to a number of fund managers.
Fund launches reached a decade low last year as groups held back new products in the face of market volatility.
Old Mutual's Stewart Cowley and LGIM's Richard Hodges have reversed their short duration stances and removed their treasury short positions as the flight to safety pushes yields to record lows.
Legal and General multi-manager Alan Thein has boosted his gold exposure in anticipation of a 30% re-rating in the commodity.
A quartet of top asset allocators reveal their favourite US funds.
Legal & General Investment Management (LGIM) achieved record profits for 2010 after growing funds under management 12%.