The fee-war headline writes itself. JPMorgan BetaBuilders U.S. Equity ETF (BATS:BBUS) now sits at a 0.02% expense ratio, which puts BBUS a hair under Vanguard’s flagship total-market fund. The interesting thing about BBUS is what the fund quietly leaves out to hit that price.
BBUS tracks the Morningstar US Target Market Exposure Index, which targets the top 85% of the U.S. equity market by market capitalization. In plain terms, that means large- and mid-cap stocks, and effectively no dedicated small-cap sleeve. The $7.84 billion in assets sits mostly in the household names you would expect. Apple (NASDAQ:AAPL | AAPL Price Prediction), Microsoft (NASDAQ:MSFT), Nvidia (NASDAQ:NVDA), and the rest of the mega-cap cohort dominate the top of the book. The top ten holdings account for about 31% of the fund, which is roughly what you get from any cap-weighted U.S. index right now because the mega-caps have eaten the market.
The return engine is boring in a good way. You collect the earnings growth and dividends of the biggest American companies, minus two basis points of friction, and you rebalance when the index does. The indicated dividend yield sits near 1.0%, which is what a cap-weighted large-cap portfolio pays in a market this top-heavy.
Does the fee edge show up in returns?
Over the trailing year, BBUS returned 17% against Vanguard Total Stock Market ETF (NYSEARCA:VTI)’s 18%. So BBUS lost, narrowly. Stretch the window to five years, and the story flips, with BBUS up 76% against VTI’s 73%. That gap is a composition story. BBUS’s large- and mid-cap tilt has been the winning slice of the market, and VTI’s small-cap ballast has been the losing slice.
The Russell 2000 proxy, iShares Russell 2000 ETF (NYSEARCA:IWM), returned 32% over the trailing year, which sounds like BBUS gave up upside by skipping small-caps. But IWM’s five-year return is 43%, well behind both broad-market funds. Small-caps have been the drag on total-market funds. VTI holds them anyway because it promises the whole market. BBUS does not make that promise.
Why cheaper than VTI compares different products
Calling BBUS cheaper than VTI compares two slightly different products. VTI owns roughly 3,600 stocks, including the Russell 2000 tail. BBUS owns the top 85% of market cap and stops there. If you believe the small-cap premium eventually reasserts itself (which is what a century of academic research suggests, even if the last decade disagrees), you are giving something up for those two basis points. If you think mega-caps keep compounding faster than everything else, you are getting paid to switch.
Two other tradeoffs matter. First, concentration risk cuts both ways when the top ten holdings are nearly a third of the fund. Second, Schwab U.S. Broad Market ETF (NYSEARCA:SCHB) and iShares Core S&P Total U.S. Stock Market ETF (NYSEARCA:ITOT) sit in the same fee neighborhood, so BBUS’s edge over the entire competitive set is thinner than the VTI comparison alone suggests.
Taxes decide whether the switch is worth it
Inside a Roth IRA, traditional IRA, or 401(k), swapping VTI for BBUS costs you nothing and captures every basis point of the fee difference immediately. Inside a taxable brokerage account, selling an appreciated VTI position triggers long-term capital gains that can dwarf a decade of fee savings. If your VTI lot has doubled, the tax bill on the switch is real money, and the two basis points you save annually are not.
For new money going into a taxable account, or for any allocation inside a retirement wrapper, BBUS is a defensible pick if you are comfortable with a large- and mid-cap-only portfolio. For existing VTI holdings sitting on gains in a taxable account, the tax friction wins that argument before the fee math even starts.
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