Better Short-Term Corporate Bond ETF: Vanguard's VCSH vs. the iShares IGSB

The iShares 1-5 Year Investment Grade Corporate Bond ETF (NASDAQ:IGSB) and Vanguard Short-Term Corporate Bond ETF (NASDAQ:VCSH) provide remarkably similar paths for investors seeking income from high-quality corporate debt with minimal interest rate risk.

These exchange-traded funds are staple choices for conservative investors who want to balance the relative safety of fixed income with higher potential returns than Treasury bills. By focusing on investment-grade corporate bonds that mature within a five-year window, they aim to provide steady income while mitigating the price sensitivity typically found in longer-duration bond portfolios.

Snapshot (cost & size)

Beta measures price volatility relative to the S&P 500; beta is calculated from monthly returns over the available fund history (up to five years). The 1-year return represents total return over the trailing 12 months. Dividend yield is the trailing-12-month distribution yield.

While both funds are exceptionally cheap, the iShares fund carries a slightly higher expense ratio of 0.04% compared to 0.03% for the Vanguard fund. However, the iShares fund also currently offers a slightly higher payout, with a 0.15 percentage point yield gap separating the two options at present.

Performance & risk comparison

What's inside

The iShares 1-5 Year Investment Grade Corporate Bond ETF holds a massive portfolio of 4,706 securities, focusing on high-quality corporate debt denominated in U.S. dollars with maturities ranging from one to five years. This fund is specifically designed to replicate the performance of its underlying index by holding a broad sample of the investment-grade market.

Its largest positions include a highly diversified mix where no single bond issue exceeds 0.30% of the total assets, which helps the fund manage individual credit risks. It was launched in 2007. The iShares fund has paid $2.40 per share over the trailing 12 months, which on its recent ~$52.1 share price works out to a 4.6% yield.

The Vanguard Short-Term Corporate Bond ETF tracks 3,030 holdings, similarly emphasizing investment-grade debt with weighted average maturities between one and five years. The fund is designed to offer a consistent stream of income while exhibiting relatively low price volatility compared to the broader bond market.

It is also highly diversified, and no single position exceeds 0.70% of the portfolio, ensuring that risk is spread across thousands of issuers in the fixed income space. It was launched in 2009. The Vanguard fund has paid $3.51 per share over the trailing 12 months, which on its recent ~$78.6 share price works out to a 4.5% yield.

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Which looks like the better buy

Given the current uncertainty around interest rates, it is a good time to consider short-term bonds. The iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) and Vanguard Short-Term Corporate Bond ETF (VCSH) both provide a vehicle to mange interest rate risk through corporate bonds. So which is the better fund to invest in? That depends on the factors that matter most to you.

VCSH offers a slightly lower expense ratio and a larger AUM, giving it the edge on liquidity. It's a natural choice for investors who are already Vanguard customers.

If you're not with Vanguard, IGSB is a good choice. It has a larger number of holdings at 4,706 securities since it seeks to closely replicate the index it's tracking. VCSH has fewer holdings because it uses index sampling. IGSB also delivers a slightly higher dividend yield.

Given both VCSH and IGSB are so similar across key factors such as cost, yield, and return, both are solid funds to invest in short-term bonds.

Robert Izquierdo has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.