Paying the IRS on purpose sounds like financial malpractice, but under the right conditions it unlocks a compounding shelter that ordinary accounts can never touch. Three ETFs turn that counterintuitive move into a serious long-term advantage.
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A Roth conversion asks you to do something that feels wrong: voluntarily hand the IRS a tax bill today on money you could have deferred for years. The logic only holds if you believe your tax rate now is at or below your rate in retirement. If it is, every dollar of future appreciation inside the Roth escapes tax forever. That is why the assets you park in a freshly converted Roth should be the highest-expected-return, most tax-hungry sleeves you own. Three ETFs fit that mold perfectly: the Schwab U.S. Large-Cap Growth ETF (NYSEARCA:SCHG), the Invesco NASDAQ 100 ETF (NASDAQ:QQQM), and the Avantis U.S. Small Cap Value ETF (NYSEARCA:AVUV).
Why a Growth Roster Belongs in Your Roth
A traditional IRA taxes withdrawals as ordinary income. A Roth taxes the deposit and then nothing else, ever. For that reason, your Roth account should hold what compounds hardest.
Before you convert, verify the tax math against the current brackets. For 2026, the 22% bracket runs to $50,400 single and $100,800 joint, 24% runs to $105,700 single and $211,400 joint, and 32% kicks in at $201,775 single and $403,550 joint. A conversion stacks on top of your ordinary income, so a large one-year conversion can jump you two brackets and erase the arbitrage you were chasing. Splitting the conversion across multiple tax years is often the difference between a smart move and an expensive one, and the stretch between your last paycheck and your first RMD is usually the cheapest window to do it in (we sized up that window in a free Roth guide here).
SCHG: The Large-Cap Growth Core
SCHG tracks large-cap U.S. growth names and sits on roughly $61.08 billion in net assets. The top of the book reads like the modern growth economy: NVIDIA at about 11% of assets, Apple near 9.8%, Microsoft at 7.2%, Amazon at 5.7%, Alphabet at 4.8%, and Broadcom at 4.5%. Performance reflects that mix. The fund is up 7.66% year to date, 13.14% over the past year, 84.88% over five years, and 454.07% over the past decade. That ten-year figure is the entire reason it belongs in a Roth. Outside the shelter, a return like that would generate a punishing tax bill on rebalancing and eventual distribution. However, in a Roth, it fully belongs to you.
QQQM: The Innovation Tilt
QQQM tracks the Nasdaq-100 and is positioned as the lower-cost, buy-and-hold-oriented sibling of QQQ. Same index, cheaper wrapper, better long-hold economics. The fund is up 16.92% year to date, 24.05% over the past year, and 96.65% over five years. QQQM overlaps meaningfully with SCHG at the mega-cap tech names, but it adds concentrated exposure to the innovation engine of the U.S. market: semiconductors, cloud software, digital advertising, and platform businesses. In a Roth, that concentration is a feature. Volatility that would sting in a taxable account converts to compounding you never surrender.
AVUV: The Small-Cap Value Kicker
AVUV is the counterweight. It is an actively managed small-cap value fund tilted toward profitable, low-valuation U.S. small caps, with roughly $27.08 billion in net assets. Holdings include names like Abercrombie & Fitch, Academy Sports & Outdoors, Bank OZK, Avnet, and Cabot Corp. The factor bet has been paying off: AVUV is up 23.58% year-to-date, 27.32% over the past year, and 84.31% over five years. Small-cap value has historically been one of the most reliable long-duration equity premiums, and it diversifies you away from the mega-cap tech concentration in SCHG and QQQM.
Trade-Offs You Should Own
This roster carries real risks. SCHG and QQQM overlap heavily at the top, so a single-name blow-up like NVIDIA, Apple, or Microsoft hits both funds. A tech-led drawdown of 30% or more is a realistic scenario worth planning for. AVUV adds diversification but brings small-cap volatility of its own, and factor premiums can underperform for stretches long enough to test any investor’s patience. With the 10-year Treasury yielding 4.78%, the opportunity cost of equity risk is real.
Two conversion mistakes deserve equal attention. First, watch the IRMAA lookback. Medicare uses your modified adjusted gross income from two years earlier to set premiums, and in 2026 a MAGI above $109,000 single or $218,000 joint triggers Part B surcharges starting at $81.20 per month and climbing to $487.00 per month at the top tier. A big conversion today can raise your premiums down the road. Second, pay the conversion tax from outside cash. Using the IRA itself to cover the bill shrinks the balance that was supposed to compound tax-free, and that defeats the entire purpose of holding SCHG, QQQM, and AVUV inside the Roth in the first place.
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