Taking Shelter

Sanjib Saha

EARLIER THIS YEAR, I swapped the Vanguard Short-Term Bond Index Fund (symbol: VBIPX) in my 401(k) for an inflation-indexed Treasury ETF (VTIP). The trade worked out well: The replacement fund has since fared better, thanks to this year’s accelerating inflation.

To buy the inflation-indexed ETF, I had to open a brokerage subaccount within my company’s retirement plan—a feature some 401(k)s offer, though these “brokerage windows” typically aren’t heavily promoted for fear employees will end up trading too much. Initially, I didn’t think I’d use the subaccount for anything else. But I’ve come to realize that the flexibility to choose from thousands of securities in a tax-deferred account could come in handy.

For instance, in my regular taxable account, I had bought income-producing funds that own real estate investment trusts (REITs). I like the generous dividends, but not the tax bill, even after the 20% deduction. I wish I owned these in my 401(k) subaccount instead. That way, I could defer the taxes, instead of footing the bill during my high-earning years.

Another problem I often face: headaches caused by tax-loss harvesting. In the past, I’d sell an investment to book a loss and use the proceeds to buy a similar, but not substantially identical, investment to preserve my market exposure. I’d then look to switch back to the original investment after the 30-day wash-sale period. But if the temporary investment had gone up in the intervening period, often I’d be reluctant to reverse course. The reason: The short-term capital gain from the sale would partly negate the harvested tax loss. Result? I’d be stuck with the temporary fund indefinitely.

Now, I can simply buy the temporary fund in the tax-deferred subaccount instead of my taxable account. Even if the temporary fund climbs in value, I can sell it after 30 days—with no taxes owed—and then buy back the original investment in my taxable account.

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