What Is VB? Vanguard Small-Cap ETF

VB is the Vanguard Small-Cap ETF, a fund that tracks the CRSP US Small Cap Index at a 0.03% expense ratio. It holds roughly 1,300 small-cap US companies in a market-cap-weighted portfolio, giving broad exposure to the smaller end of the US market in a single ticker.

Vanguard launched VB in January 2004, and it has grown into one of the largest small-cap funds, with roughly $80 billion across its share classes. Its appeal is simple: near-zero cost, deep diversification, and a track record spanning more than two decades.

Approximate weights as of mid-2026; refresh quarterly from Vanguard's fund page. Each ticker links to its individual stock guide in Walnut.

VB holds around 1,300 stocks, and no single name dominates. Top positions include EMCOR Group, NRG Energy, Atmos Energy, Tapestry, Casey's General Stores, and Jabil, each around 0.4% to 0.5% of the fund. The ten largest holdings together are only about 4% of assets, which is far more spread out than a large-cap index.

Sector exposure tilts toward industrials, financials, and consumer names, with less weight in the mega-cap technology stocks that dominate S&P 500 funds. That composition is why small-cap funds like VB often move on a different rhythm than the broad market.

The three most common small-cap ETFs use different indexes. VB tracks the CRSP US Small Cap Index, IJR tracks the S&P SmallCap 600 (which requires companies to be profitable to enter), and IWM tracks the Russell 2000. VB is the broadest of the three and the cheapest at 0.03%, versus 0.06% for IJR and 0.19% for IWM.

The S&P 600's profitability screen has historically given IJR a modest quality edge, while IWM is favored by traders for its liquidity and options market. VB's case is breadth and cost: if you want the widest, lowest-fee slice of US small-caps as a long-term holding, it is a natural default. None is objectively best; the right pick depends on whether you value the profitability screen, trading liquidity, or raw breadth and price.

VB's returns track the small-cap segment closely, minus its tiny fee. Small-caps have historically delivered strong long-run returns with higher volatility, and their performance often diverges from large-caps depending on the economic cycle, interest rates, and risk appetite.

Because VB is a passive index fund, its outlook is simply the outlook for US small-cap stocks as a group. It will lag when mega-cap technology leads the market and can outperform when smaller, more domestically focused companies come back into favor.

VB suits investors who already own a large-cap core and want to add diversified small-cap exposure at minimal cost. Its role is typically a satellite position, sized to complement rather than replace a broad-market or S&P 500 holding.

Whether VB fits depends on your time horizon, risk tolerance, and how much small-cap exposure you already have. Walnut is not an investment adviser, and this is not a recommendation to buy VB. It is a description of what the fund is and the role it tends to play.

VB trades on every major US brokerage, including Robinhood, Fidelity, Schwab, and Public, usually commission-free and often with fractional shares so you can invest a set dollar amount. It is highly liquid, so trading spreads are tight.

If you want to hold VB alongside a stated investment thesis, you can connect your broker to Walnut and track it inside a themed basket. Walnut mirrors your real positions and shows how they map to your targets, while trades continue to execute at your broker.

The bottom line on VB: a rock-bottom-cost, broadly diversified way to own US small-cap stocks. At 0.03% it is cheaper than IJR (0.06%) and IWM (0.19%), and its CRSP index reaches a touch further up in size. It plays a satellite role, complementing a large-cap core, not replacing it.

Whether VB 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 VB a buy?

VB yields ~1.2% as of mid-2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see VB dividend: yield and schedule.