Could This Tax Change Save You Money on Mutual Fund Investments?

If you’ve ever opened your year-end mutual fund statement and been shocked by an unexpected tax bill, despite not selling a single share, you are not alone. This quirk of the investment world has long frustrated investors, but potential relief may be on the horizon.

The mutual fund tax trap that catches investors by surprise

Unlike many investments, mutual funds can trigger capital gains taxes even when you haven’t sold your shares. This happens because fund managers routinely sell securities within the fund throughout the year. When these sales generate profits, the gains get passed along to shareholders as capital gains distributions, typically in the fourth quarter.

These distributions are taxable in the year they’re made, even if you choose to reinvest them back into the fund rather than take them as cash. For investors with substantial holdings in taxable brokerage accounts, these distributions can create significant and unwelcome tax bills.

If you hold mutual funds in a taxable account, it’s smart to review year-end distributions annually. Even if you didn’t sell, you may owe taxes on gains the fund realized.

In 2024, some mutual funds paid double-digit distributions, meaning shareholders faced hefty tax payments regardless of whether they wanted to maintain their investment position.

Lawmakers propose tax deferral solution

A bipartisan legislative effort aims to change this system. Senator John Cornyn of Texas has introduced the Generate Retirement Ownership Through Long-Term Holding Act — aptly nicknamed the GROWTH Act. This proposal would allow investors to defer taxes on reinvested mutual fund capital gains until they actually sell their fund shares.

Similar legislation was introduced in the House earlier this year, signaling growing recognition of the issue across party lines. The proposed change would bring mutual fund taxation closer to how other investments like individual stocks are treated, where investors typically only face capital gains taxes when they choose to sell.

Long-term investors may want to follow tax policy changes closely. Even modest reforms can shift the balance between different investment vehicles in your portfolio.

How the current tax system works

Under current rules, mutual fund distributions in taxable accounts are subject to long-term capital gains tax rates of 0%, 15%, or 20%, depending on your income level. Higher-income investors may also face an additional 3.8% surcharge on investment earnings.

For 2025, the capital gains tax brackets are structured as follows:

• Single filers: 0% for incomes up to $48,350; 15% for $48,351 to $533,400; 20% for incomes above $533,401
• Married filing jointly: 0% for incomes up to $96,700; 15% for $96,701 to $600,050; 20% for incomes above $600,051

Knowing which capital gains bracket you fall into can help you plan smarter for year-end decisions, such as harvesting losses or deferring gains into a lower-income year.

This tax structure particularly impacts the estimated $7 trillion in long-term mutual fund assets currently held outside retirement accounts, according to the Investment Company Institute.

Benefits of the proposed changes

The legislation would align mutual fund taxation more closely with other investment vehicles, potentially encouraging long-term investing by removing the annual tax burden on paper gains. Proponents argue this would provide “parity with other investment options” and eliminate a disincentive to mutual fund investing.

The Investment Company Institute, representing the asset management industry, supports the proposal, suggesting it would help Americans save and invest for long-term goals without worrying about unexpected tax bills.

However, the bill faces an uncertain future. With lawmakers currently focused on broader tax packages and looming government funding deadlines, it’s unclear whether this targeted reform will advance in the current legislative session.

What investors can do now

While waiting to see if tax reform materializes, you have several options to minimize the impact of mutual fund capital gains distributions:

1. Consider exchange-traded funds (ETFs) instead of mutual funds. ETFs typically generate fewer taxable distributions due to their unique structure, though switching from existing mutual fund positions may trigger taxes if your current holdings have appreciated.
2. Hold mutual funds in tax-advantaged accounts like 401(k)s and IRAs, where distributions don’t trigger immediate tax consequences.
3. Research a fund’s distribution history before investing in taxable accounts, as some funds are managed with greater tax efficiency than others.
4. Consider tax-managed mutual funds specifically designed to minimize distributions.

While the proposed legislation would provide welcome relief for mutual fund investors, implementing thoughtful tax-planning strategies remains important regardless of whether the reforms ultimately become law.