Understanding Tax Gain Harvesting and Capital Gains Brackets for 2025

As 2025 draws to a close, investors are increasingly considering "tax gain harvesting," a strategy that involves selling profitable assets in brokerage accounts during lower income years to potentially qualify for the 0% capital gains tax bracket. This approach allows investors to access profits or rebalance their portfolios without increasing their taxable income. Certified financial planner Cody Garrett emphasizes the importance of precise tax projections, as miscalculations could lead to unexpected costs.

CNBC

For long-term capital gains, which apply to assets held for over a year, the tax rates are structured at 0%, 15%, or 20%. For 2025, the income thresholds for the 0% capital gains bracket are set at $48,350 for single filers and $96,700 for married couples filing jointly. These limits will increase in 2026. Taxable income is calculated by subtracting either the standard or itemized deductions from adjusted gross income, with any gains from sold investments added to the total.

CNBC

Investors should also be mindful of year-end income from exchange-traded funds (ETFs) and mutual funds, as these can significantly impact taxable income. Following a strong year in the stock market, many mutual funds are projecting capital gains payouts of at least 25% of their net asset value. While ETFs typically avoid capital gains distributions, they still require planning for dividend payouts, which can affect overall taxable income.

CNBC

Experts recommend that investors review their previous year's tax returns to estimate potential year-end payouts, as the exact amounts may not be known until the end of the year. CFP Michael DeMassa notes that exceeding the taxable income limit does not result in a sudden tax increase; rather, any income over the threshold is taxed at the applicable rates of 15% or 20%.

CNBC

Some financial advisors caution that tax gain harvesting can be complex and may not be suitable for all investors. The strategy requires careful planning and an understanding of individual financial situations, as unexpected income from dividends or capital gains distributions could negate the intended tax benefits.

CNBC

• “You could access profits or rebalance your brokerage account without boosting your income.” — Cody Garrett, Certified Financial Planner

CNBC

• “The good thing about the 0% capital gains rate is, it's not a cliff," he said.” — Michael DeMassa, Certified Financial Planner

CNBC

As the year-end approaches, investors are encouraged to engage in careful financial planning to maximize tax efficiency. Understanding the implications of capital gains and potential year-end income will be crucial for effective tax strategy implementation in 2025.

CNBC