Investors are weighing the benefits of the Vanguard Small-Cap ETF (VB) against the iShares Core S&P Small-Cap ETF (ISCB) as small-cap stocks gain.
This comparison comes as small-cap equities show stronger growth than larger companies, prompting investors to seek the most efficient vehicle for exposure to this market segment.
Market data from 2026 shows a distinct trend toward smaller companies. The Russell 2000 index has gained over 13% [5] this year, while the S&P 500 has seen a gain of just over eight percent [6]. This outperformance has increased interest in funds that track these indices.
Vanguard's VB offers broad diversification with 1,300 U.S. small-cap stocks [3] in its portfolio. Over the past decade, the fund has achieved a total return of 156% [4].
Cost remains a primary differentiator between the two options. The Vanguard fund maintains a narrow cost advantage with an expense ratio of 0.05% [1] compared to 0.06% [2] for the iShares offering.
"The Vanguard fund maintains a narrow cost advantage with an expense ratio of 0.05% compared to 0.06% for ISCV," a Motley Fool analysis said [1]. Note that some reports refer to the iShares fund as ISCV, while others cite ISCB.
Both funds provide significant exposure to the U.S. equity market, but the slight difference in expense ratios can impact long-term returns for retail investors. The choice between the two often depends on whether an investor prioritizes the specific index tracking of the S&P small-cap universe, or the broader reach of Vanguard's holdings.
“The Russell 2000 index has gained over 13% in 2026.”
The current outperformance of small-cap stocks relative to the S&P 500 suggests a rotation in investor preference toward higher-growth, smaller companies. While the expense ratio difference between VB and ISCB is minimal, the scale of VB's holdings and its decade-long return profile make it a benchmark for those seeking diversified small-cap exposure during this market cycle.
