Total U.S. retirement assets rose 1.3% in the quarter ended March 31 to $24.9 trillion, said the Investment Company Institute's recently released quarterly report.
The ICI report covers government defined benefit plans, corporate DB plans, defined contribution plans, annuity reserves and individual retirement accounts.
The defined contribution plan portion rose 1.8% in the first quarter to $6.8 trillion. Within that category, $4.7 trillion was held in 401(k) plans, $875 billion in 403(b) plans, $570 billion in other corporate DC plans, $265 billion in 457 plans, and $437 billion in the Federal Retirement Thrift Savings Plan, Washington.
Public defined benefit and corporate DB assets remained at $5.1 trillion and $3.2 trillion, the same as the previous quarter.
IRA assets rose to $7.6 trillion as of March 31, up 2.7% from the previous quarter. The remaining assets were in annuity reserves.