This Is the Default ‘Trump Account’ ETF for Newborns. Should You Own It Too?
The Treasury just picked one fund to hold every newborn's federally seeded investment account, but whether that same fund deserves a spot in your portfolio depends on a concentration risk buried inside those 500 stocks that almost nobody selling it…
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The State Street SPDR Portfolio S&P 500 ETF (NYSEARCA:SPYM) spent most of its life as the quiet cost-cutter in State Street’s lineup, a two-basis-point wrapper for the same 500 stocks everyone else was buying. Then the Treasury Department picked SPYM as the default investment vehicle for the new Trump Accounts program, which launched on July 4, 2026. Every eligible newborn gets a $1,000 Treasury contribution, and that money flows into a single fund. Overnight, SPYM became a policy story as much as a portfolio decision.
The Fund and What It Actually Does
The pitch is straightforward. SPYM tracks the S&P 500 at a gross and net expense ratio of 0.02%, a hair below the Vanguard S&P 500 ETF (NYSEARCA:VOO) at 0.03% and among the cheapest ways to own the American large-cap benchmark. The return engine is boring in the good way. You collect the earnings and dividends of 500 companies weighted by market cap, plus whatever multiple expansion the market decides to hand out. No options overlay, no factor tilt, no clever screen. That is the entire product.
For a newborn’s account with a $1,000 starting balance and eighteen years of runway, boring and cheap is close to the theoretical ideal. Compounding hates fees more than it hates volatility, and two basis points is close to free.
Does It Deliver on the Index Promise
On the narrow question of tracking the index for the lowest available cost, yes. SPYM returned 10.9% year to date through mid-July and roughly 22% over the trailing year over the trailing year, essentially indistinguishable from its Vanguard counterpart over the same windows. Five-year returns come in near 86%, effectively identical between the two funds. Same index, same holdings, same result.
The tiebreaker is the expense ratio and, for smaller accounts, SPYM’s lower share price of around $89 versus VOO near $691. Assets under management climbed by $35.77 billion in recent months, more than half of that from net inflows rather than price appreciation, according to State Street’s own disclosure. SPYM had already crossed $100 billion in AUM on December 16, 2025, after a record sprint from the $50 billion mark.
The Concentration Nobody Selling You SPYM Emphasizes
Owning 500 stocks sounds diversified. The math says otherwise. The top three holdings, NVIDIA (NASDAQ:NVDA | NVDA Price Prediction), Apple (NASDAQ:AAPL), and Microsoft (NASDAQ:MSFT), account for the fund’s largest weightings. The top ten holdings account for 36% of assets, and information technology, as a sector, accounts for around 33.4% by State Street’s own classification. Fold the other megacap names into the tech bucket the way most investors think about it, and you are closer to 40% of your money riding on a dozen megacap technology franchises.
That is the S&P 500 in 2026. Whether owning it counts as diversification depends entirely on what else sits in your account. Pairing SPYM with another cap-weighted US fund adds almost nothing but overlap. What actually diversifies it is international equities, small caps, bonds, or an equal-weight sleeve. A second S&P 500 fund with a different sticker does no work at all.
Who Should Own It Alongside the Newborns
The verdict is easy on the merits. SPYM is a legitimate core holding for anyone who wants passive US large-cap exposure at the lowest available cost, and it will do the same thing in your Roth IRA that it does in a newborn’s Trump Account.
The case to look elsewhere has more to do with what already sits in your portfolio. Buying SPYM to hedge a heavy Nasdaq-tracking position or a stack of individual megacaps mostly duplicates what you already own. As a first equity holding, it is close to the platonic ideal. As your fifth US large-cap vehicle, it is probably redundant.
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Omor Ibne Ehsan is a writer at 24/7 Wall St. He is a self-taught investor with a focus on growth, cyclical, and dividend equities that have strong fundamentals, value, and long-term potential. He also has an interest in high-risk, high-reward investments such as penny stocks.
