The Moment
You have a 401(k), a Roth IRA, and a taxable brokerage account. You hold the same mix (70% stocks / 30% bonds) in each account. This is a common approach — and it is leaving money on the table.
Asset location — choosing which investments to hold in which accounts — is one of the few genuinely free lunches in investing. It does not change your overall allocation or risk. It just reduces your annual tax drag by placing tax-inefficient investments in tax-sheltered accounts.
The Rules
Tax-advantaged accounts (401(k), Traditional IRA, Roth IRA) should hold: - Bonds and bond funds (interest is taxed as ordinary income at 22-37%) - REITs (dividends are taxed as ordinary income, not at the qualified dividend rate) - Actively managed funds with high turnover (generate short-term capital gains) - High-yield dividend stocks (if you hold them individually)
Taxable brokerage accounts should hold: - Total market index funds (low turnover, tax-efficient, qualified dividends taxed at 15-20%) - International stock funds (eligible for the foreign tax credit in taxable accounts) - Growth stocks (unrealized gains are not taxed until sold) - Municipal bonds (if in 24%+ bracket — interest is tax-exempt)
Roth IRA specifically should hold your highest-growth investments. Since Roth withdrawals are tax-free, you want the maximum growth in your Roth. Put your most aggressive stock holdings there — they will never be taxed.
The Impact
Example: $500,000 portfolio (60% stocks / 40% bonds)
Without asset location (same mix in every account): Bonds in taxable account generate $6,000 in interest, taxed at 24% = $1,440/year in taxes
With asset location (bonds in 401(k), stocks in taxable): Bond interest in 401(k) is tax-deferred. Stock dividends in taxable account are qualified (taxed at 15%) = $900/year in taxes
Annual tax savings: ~$540/year. Over 20 years at 7% growth, that is roughly $22,000 in additional wealth — from simply placing investments in the optimal accounts.
The impact grows with portfolio size and tax bracket. At $1M+ portfolios in the 32%+ bracket, the annual benefit can exceed $2,000-$3,000.
Run Your Numbers
See the impact of asset location on your portfolio.
Compound Growth Projector
What to explore next
- →How do I rebalance across multiple account types?
- →Should I hold international stocks in taxable for the foreign tax credit?
- →What is the most tax-efficient index fund?
Frequently Asked Questions
What if my 401(k) does not have good bond funds?
Use the best available option in your 401(k) for the bond allocation, even if it is not your ideal fund. The tax benefit of holding bonds in a tax-advantaged account outweighs the small cost of a slightly suboptimal fund. If your 401(k) only has target-date or balanced funds, asset location is harder — consider holding bonds in your IRA instead.
Does asset location matter if all my investments are in retirement accounts?
No. Asset location only matters when you have both tax-advantaged and taxable accounts. If everything is in a 401(k) and IRA, there is no tax benefit to placing certain investments in certain accounts — the tax treatment is the same regardless.