The Investment Company Institute has added more categories to the data on mutual fund flows that it reports each week.

The reports now provide weekly flow data for 12 new categories of funds—including emerging market equity, high-yield bond, and others—to supplement the seven categories of data ICI has released traditionally.

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"These new reports will help industry observers and interested parties develop a better understanding of flows and industry trends," Brian Reid, ICI chief economist, said in a statement.

ICI's estimated long-term mutual fund flow reports now features the following additional categories of data, with monthly data back to January 2014:

  • Domestic equity is broken down into large-cap, mid-cap, small-cap, multicap, and other

  • World equity is broken down into developed markets and emerging markets

  • Taxable bonds are broken down into investment-grade, high-yield, government, multisector, and global

The new categories can certainly help track ongoing changes as investors, both individual and institutional, move into and out of various categories of investments amid changing market conditions.

They could prove particularly enlightening amid current market volatility as various sectors within the markets see advances or retreats based on investor concerns.

As of the end of December, outflows from world equity were slightly less than from domestic equity holdings, and in the bond category, municipal bonds actually gained while taxable bonds saw outflows.

For advisors who track such data closely, being able to more closely track which sectors in each category gained and lost could provide them with valuable insights on investor behavior.

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