The agency says that's the largest gain since the fourth quarter of 2010.
The report says pension fund investments in stocks rose nine per cent to $369.1 billion.
Investments in bonds edged down 0.3 per cent to $423.6 billion.
Pension fund revenues increased 26.7 per cent to $37 billion in the quarter, on significant gains from the sale of securities.
Just over six million Canadians are members of employer pension plans, with the vast majority members of trusteed plans.