Even so, investors should review their fund holdings, experts say.

Another measure of both funds' high risk levels can be found in the concentration of fund holdings.

They require senior executives and employees involved in making investments to report their stock and fund holdings.

We are currently considering how the benefits of fund holding can be extended and will make an announcement in the new year.

Such information on fund holdings was not available to other investors.

"It doesn't mean that all individuals will liquidate their fund holdings, but enough will to put a shock in the system."

Those borrowers now have fund holdings worth far less than the amounts they owe in most cases.

In particular, he said, the industry has beaten back efforts at more precise disclosures by executives of their mutual fund holdings.

Investors can exploit these patterns, even though the data on mutual fund holdings is several months out of date, the professors say.

Now, shareholders get this information - on fund holdings, fees and a description of a fund's investment policy - only if they ask.