ISTB Offers Broader Bond Mix Than VGSH
Both the Vanguard Short-Term Treasury ETF(NASDAQ:VGSH) and the iShares Core 1-5 Year USD Bond ETF(NASDAQ:ISTB) target short-term bonds and seek to offer income with low volatility, but their approaches and underlying holdings set them apart. The ETFs differ most in their expense ratios, yield, bond selection, and risk profiles — VGSH focuses on U.S. Treasuries, while ISTB holds a broader mix including utilities and real estate bonds.
This comparison looks at costs, recent performance, risk, liquidity, and portfolio makeup to help investors weigh which ETF aligns better with their goals.
Snapshot (cost & size)
|
Metric |
VGSH |
ISTB |
|---|---|---|
|
Issuer |
Vanguard |
iShares |
|
Expense ratio |
0.03% |
0.06% |
|
1-yr return (as of 2/27/2026) |
4.65% |
5.8% |
|
Dividend yield |
4% |
4.1% |
|
Beta |
0.25 |
0.4 |
|
AUM |
$31.7 billion |
$4.8 billion |
Beta measures price volatility relative to the S&P 500; beta is calculated from five-year monthly returns. The 1-yr return represents total return over the trailing 12 months.
VGSH is more affordable at 0.03% compared to ISTB's 0.06% fee, though the difference is modest. ISTB offers a slightly higher dividend yield, which may appeal to those seeking a marginally greater income stream alongside broader bond exposure.
Performance & risk comparison
|
Metric |
VGSH |
ISTB |
|---|---|---|
|
Max drawdown (5 y) |
-5.72% |
-9.34% |
|
Growth of $1,000 over 5 years |
$955.84 |
$952.51 |
What's inside
ISTB tracks a diversified mix of nearly 7,000 U.S. dollar-denominated bonds. Its top holdings are Treasury notes (about 52%) with maturities extending out to 2030. The next largest sectors are industrial at 17.4% and financial institutions at 12.2%. The fund’s 13-year history reflects a stable, core bond approach but with more credit and sector exposure than pure Treasuries.
VGSH, by contrast, invests primarily in high-quality U.S. Treasury bonds with maturities of one to three years, holding just 92 securities. Its portfolio is concentrated in short-term government debt, making it a cleaner option for investors seeking minimal credit risk and interest-rate sensitivity.
For more guidance on ETF investing, check out the full guide at this link.
What this means for investors
Both the ISTB and VGSH ETFs are attractive options for investors seeking reliable income and safety. VGSH is a pure play on short-term U.S. Treasuries, which are typically protected against interest rate and default risk, and the fund yields a respectable 4% for a very low expense ratio of 0.03%, allowing investors to pocket or reinvest more of their gains. The ETF has returned 4.65% over the past year, compared to the S&P 500’s 18.86, but without the drama and volatility that comes with investing in hotter sectors of the stock market.
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