SCHD and MAIN Swap Optimal Accounts as $100,000 Income Gap Hits $17,000

Q: Could sheltering your favorite high-yield MLP inside a Roth account secretly trigger an unexpected and costly tax nightmare?

Yes. A high-yield MLP inside a Roth can trigger an unexpected tax bill if it produces too much unrelated business taxable income, or UBTI. That is the catch behind the otherwise sound idea of putting tax-inefficient income assets in a Roth. The article’s logic works well for many ordinary-income payers such as BDCs like Ares Capital, whose distributions can create heavy annual tax drag in a taxable account. But MLPs such as MPLX are different. They issue Schedule K-1s, and their partnership income can flow into an IRA or Roth as UBTI. If UBTI for that account exceeds $1,000 in a year, the custodian may have to file Form 990-T and pay tax from the account itself. That means the Roth is not always a clean shelter for an MLP. The danger is not that every MLP distribution is immediately taxed inside the Roth. In fact, much of an MLP’s cash payout is often treated as return of capital in taxable accounts. The problem is that retirement accounts are subject to separate UBTI rules, and investors often miss that distinction. The result can be costly and cumbersome: account-level tax, extra paperwork, possible custodian fees, and reduced compounding. Large positions, multiple MLPs, or a sale that generates taxable partnership income can make the risk more significant. So the tax nightmare is real, but not automatic. A Roth can still be beneficial for many high-yield holdings; an individual MLP is the exception that demands a tax preparer’s review before moving it.

3 articles · Updated · 24/7 Wall St. · Aug 28

$100,000 of MAIN income in a taxable account would lose $32,000 to federal tax for a high-earning single filer, versus $15,000 for the same income from SCHD’s qualified dividends.
The gap comes from tax treatment: MAIN’s 7% to 8% payout is mostly ordinary income, while SCHD’s roughly 3% yield is largely qualified dividends taxed at 0%, 15% or 20% capital-gains rates.
At a $60,000 income target, MAIN needs about $800,000 of capital against SCHD’s $2 million, but MAIN still gives up about $13,200 in federal tax in a taxable account for a married couple in the 22% bracket.
IRAs change the math sharply—MAIN held in a Traditional IRA avoids current-year tax, and in a Roth the income can remain tax-free, making high-ordinary-income payers better candidates for sheltered accounts.
Over longer horizons, SCHD’s dividend-growth profile can make taxable placement more attractive, while the report’s rule of thumb is to reserve Roth space first for BDCs and REITs.