What Is VBIL? Vanguard 0-3 Month Treasury Bill ETF

Bond funds carry two main risks: the borrower may not pay, and rates may rise before the bonds mature, pushing prices down. VBIL removes both almost entirely. The borrower is the US Treasury, and the bonds mature within weeks, so even a sharp move in interest rates has very little to work on. A bill maturing in six weeks cannot fall far in price, because it will shortly be redeemed at face value.

The result is a fund whose share price barely moves and whose entire return arrives as income. That is a fundamentally different instrument from an intermediate or long bond fund, where price changes can dominate returns for years at a time. Comparing VBIL's yield to a longer bond fund's yield without accounting for that difference is comparing two unlike things.

The cost of removing those risks is that you are not compensated for taking them. Short Treasury bills sit at the bottom of the risk ladder, and their yield reflects that position. When the yield curve is upward sloping, longer bonds pay more precisely because they expose you to rate movements that VBIL does not.

The 3.64% figure describes what the portfolio is currently earning. Because every holding matures within three months, the entire portfolio turns over several times a year, and each maturing bill is replaced at whatever rate prevails at the time. The fund's yield therefore tracks the Federal Reserve's policy rate with a lag measured in weeks, not years.

This cuts both ways and the direction matters for planning. If short-term rates fall, the income from VBIL falls with them, quickly. There is no locked-in coupon protecting the payout. An investor who wants to fix an income level for a set period is buying the wrong instrument. Someone who wants to hold cash safely while rates are attractive, and to keep the flexibility to move, is buying the right one.

One tax detail is specific to Treasury holdings. Interest from US Treasury securities is generally exempt from state and local income tax, though it remains subject to federal tax. For a holder in a high-tax state, that exemption can make a Treasury bill fund meaningfully more attractive after tax than a comparable yield from corporate or bank instruments. Rules vary by state, so this is worth confirming for your own situation.

The 2025 inception matters more here than it would for an equity fund. VBIL has not existed through a full interest rate cycle, a credit event or a period of stress in short-term funding markets. Its structure suggests it would handle all three without drama, since Treasury bills are the asset investors flee toward rather than from, but that is an inference from what it holds rather than an observed record.

The 0.06% fee is low, and at these maturities cost is a large share of what separates competing funds, since none of them can add much through security selection. There is nothing to select. Every fund in this category holds much the same instruments, so the fee, the bid-ask spread and the exact maturity band are the differentiators.

VBIL is the wrong tool for anyone hoping for capital appreciation, which it structurally cannot deliver. It is also the wrong tool as a long-horizon holding, since holding the shortest end of the curve permanently means accepting the lowest yield the bond market offers. It suits cash you expect to need, an emergency reserve, or the settling place for money awaiting deployment.

Approximate weights as of August 2026. Each ticker links to its individual stock guide in Walnut.

There are three common ways to get VBIL exposure. Buy shares (or fractional shares) of VBIL directly at any major broker that lists it. Hold it as a core position and layer more concentrated ideas on top. Or build it into a thematic portfolio in Walnut, so VBIL sits alongside other holdings that express the same thesis, with target weights you can rebalance toward. VBIL trades like a stock during market hours, so you buy it the same way you would any listed share.

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Whether VBIL is a good buy depends less on any single call and more on your time horizon and what you already hold: it tracks an index of US Treasury bills maturing in 0 to 3 months, so the real question is whether you want that exposure in your mix and at what weight. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is VBIL a buy?

VBIL gives you an index of US Treasury bills maturing in 0 to 3 months exposure in one ticker at a 0.06% expense ratio. Most investors use it as a core holding and layer more concentrated thematic portfolios on top.

Whether VBIL is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is VBIL a buy?

VBIL yields 3.64% as of August 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see VBIL dividend: yield and schedule.

New to funds like VBIL? Start with what an ETF is, then how to buy an ETF, or browse the full guide to ETF investing.