How and Why You Can Have Year-End Taxes on Mutual Funds
The new year is here and that means it’s time to start collecting tax forms for your tax preparer. Some forms might show taxable income on one or more of your mutual funds. This comes in the form of a 1099 showing year-end capital gains and taxable dividends. A higher-than-expected tax bill is not uncommon for committed investors. Here’s why:
A “mutual fund” is managed by one or more investment managers and that entails buying and selling various stocks and bonds to carry out the fund’s strategy. Buying and selling decisions can be based on several factors, including risk avoidance or simply rebalancing the fund according to its overall objective. The buying and selling can take place several times throughout the year within the fund itself. An investment that is sold for a gain within the mutual fund creates a profit. By law, mutual funds MUST distribute the net gains to investors by the end of the year.
Investor redemptions can also trigger capital gains. If enough investors, or their financial advisors, need to sell all or a portion of the fund for cash needs, the mutual fund managers often must sell some investments within the fund to raise the cash needed to pay out to the investors. Any gains resulting from the sale must be distributed out to investors by year’s end.
As a result of the factors above, sometime in December most mutual funds issue year-end capital gains distributions to investors, which have to be listed on the investor’s tax return if the fund was held in an after-tax brokerage account. Mutual funds held in tax-deferred retirement plans like IRAs and 401ks do not carry out taxes each year to the investors. Instead, the investor pays taxes on tax-deferred accounts only when they make a withdrawal from the IRA or 401k.
In some ways, the whole mutual fund tax issue falls under the “good problem to have” category because taxes mean the fund likely did well for the year (but not always). With the gains of 2025, be prepared for the fact that you will likely see a 1099 on your after-tax brokerage account that lists taxable gain and dividends, even if you held on to the fund for the whole year. Now you know why.
Fun Fact: The first real mutual fund was the Massachusetts Investor Trust (MITTX) which was started on March 21, 1924. A $1,000 investment in the fund in 1924 would be worth $7,067,000 today.
