Low rates, a strong dollar and volatile markets led to long-duration strategies dominating the list of fixed-income strategies for the year.

Growth strategies dominate the top 10 overall domestic equity strategies for the year ended March 31, Morningstar data show.

A pivot from the Fed and a risk-on first quarter served high-yield bond strategies well for the year ended March 31, according to data from Morningstar.

Growth and technology topped Morningstar's equity database as of Dec. 31, while ultrashort and long-term government led fixed income.

Institutional investors, particularly DC plans seeking lower fees, see collective investment trusts as an attractive investment vehicle.

Small-cap growth strategies dominated for the year ended June 30, making up eight of the top 10 domestic equity strategies.

High-yield bonds dominated the list of top performers in fixed income for the year ended March 31, according to Morningstar.