Data as of Oct 28, 2026.

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IUSB vs VGSH: Differences, Returns & Fees

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IUSB's duration was 5.5 years on Jul 31, 2026 and VGSH's 1.8 on May 31, 2026; VGSH charges 0.03% to IUSB's 0.06%.

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Net assets: $49.8bn on Oct 27, 2026 for iShares Core Universal USD Bond ETF, and $35.1bn on Sep 30, 2026 for Vanguard Short-Term Treasury ETF.

At a glance
−1.2%
IUSB total return, 1 year
+1.7%
VGSH total return, 1 year
0.06%
IUSB expense ratio
0.03%
VGSH expense ratio

Pair scorecard

VGSH costs 0.03 points a year less; their one-year returns differ by 2.9 points; IUSB is 1.4 times larger.

IUSB vs VGSH: Differences, Returns & Fees
MeasureIUSBVGSH
Return
Total return, 1 year−1.2%+1.7%
Benchmark
What it tracksBloomberg U.S. Universal IndexBloomberg U.S. Treasury 1-3 Year Index
Cost and size
Expense ratio0.06%0.03%
Net assets, as of Sep 30, 2026$48.1bn$35.1bn
Holdings
Holdings in common13%

Holdings in common uses holdings dated May 31, 2026 and Jul 31, 2026. Method

Risk and return

Jun 20, 2014 to Oct 23, 2026 · 644 weekly returns
IUSB VGSH
Return
Total return edge IUSB +28.3% +21.7%
Annualized edge IUSB +2.0% +1.6%
Price return edge VGSH −10.7% −5.1%
Risk
Volatility edge VGSH 5.0% 1.4%
Max drawdown edge VGSH −17.7% −5.5%
Risk-adjusted
Sharpe edge IUSB 0.02 −0.33
Sortino edge IUSB 0.02 −0.48
Calmar edge VGSH 0.11 0.29
Reading

IUSB returned more: +28.3% to +21.7%. VGSH swung less: 1.4% to 5.0%. VGSH fell less at its worst: −5.5% to −17.7%.

Full scorecard

9 measures, with how each is measured
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Risk and return: IUSB vs VGSH: Differences, Returns & Fees
MeasureIUSBVGSHEdgeHow it is measured
Return
Total return+28.3%+21.7%IUSBPrice change plus distributions, reinvested.
Annualized+2.0%+1.6%IUSBTotal return as a yearly rate.
Price return−10.7%−5.1%VGSHPrice change alone, distributions left out.
Risk
Volatility5.0%1.4%VGSHSpread of weekly returns, annualized. Lower is steadier.
Downside deviation3.6%1.0%VGSHLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−17.7%−5.5%VGSHDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.02−0.33IUSBReturn above Treasury bills per unit of volatility.
Sortino0.02−0.48IUSBReturn above Treasury bills per unit of downside deviation.
Calmar0.110.29VGSHAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 644 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

13%

By the books each fund has filed, IUSB and VGSH hold 13% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Jul 31, 2026.

0 half 100%

half

13% in common

Positions both hold · largest shared weight first IUSB VGSH
U.S. Treasury Notes, due Jun 15, 2028 0.30% 1.18%
U.S. Treasury Notes, due Jul 15, 2028 0.29% 1.25%
U.S. Treasury Notes, due Apr 30, 2028 0.29% 0.85%
U.S. Treasury Notes, due May 15, 2028 0.27% 1.18%
U.S. Treasury Notes, due Apr 15, 2028 0.27% 1.16%
U.S. Treasury Notes, due Jul 31, 2028 0.24% 1.23%
U.S. Treasury Notes, due Jun 30, 2028 0.23% 1.10%
U.S. Treasury Notes, due Sep 15, 2028 0.23% 1.17%
U.S. Treasury Notes, due Mar 15, 2029 0.23% 1.10%
U.S. Treasury Notes, due May 31, 2028 0.23% 1.19%
U.S. Treasury Notes, due Jan 31, 2028 0.23% 2.24%
U.S. Treasury Notes, due Nov 15, 2028 0.22% 1.18%
Only in one fund ↓
Only in IUSB
Uniform Mortgage-Backed Securities, due Aug 25, 2056 0.41%
U.S. Treasury Notes, due Dec 31, 2029 0.37%
U.S. Treasury Notes, due May 15, 2036 0.37%
U.S. Treasury Notes, due Feb 15, 2034 0.36%
U.S. Treasury Notes, due Feb 15, 2035 0.35%
U.S. Treasury Notes, due Aug 15, 2035 0.34%
U.S. Treasury Notes, due May 15, 2034 0.34%
U.S. Treasury Notes, due Nov 15, 2034 0.34%
Only in VGSH
US TREASURY N/B, due Jun 15, 2027 1.29%
US TREASURY N/B, due May 15, 2027 1.26%
US TREASURY N/B, due Jun 30, 2027 1.22%
US TREASURY N/B, due May 15, 2027 1.20%
US TREASURY N/B, due May 31, 2027 1.11%
US TREASURY N/B, due Jun 30, 2027 1.05%
US TREASURY N/B, due May 31, 2027 0.92%
US TREASURY N/B, due Jul 31, 2027 0.82%
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Side by side

IUSB iShares Core Universal USD Bond ETF VGSH Vanguard Short-Term Treasury ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of Universal USD Bond Tracks an index of Short-Term Treasury
Total return, 1 year −1.2% +1.7%
Its benchmark over the same days not measured +1.8% (SCHO)
Gap to its benchmark not measured −0.1 pts vs SCHO
Expense ratio 0.06% 0.03%
Holdings 18338 93
Net assets, IUSB as of Oct 27, 2026 and VGSH as of Sep 30, 2026 $49.8bn $35.1bn

IUSB and VGSH on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-35A9D7005C

IUSB and VGSH do different jobs. What does each one do in a portfolio?

  1. What each follows. IUSB follows Bloomberg U.S. Universal Index and VGSH follows Bloomberg U.S. Treasury 1-3 Year Index.
  2. Holdings in common. 13% of the weight is in the same securities (holdings dated Jul 31, 2026 and May 31, 2026).
  3. One-year total return. Over 1 year to Oct 28, 2026 IUSB returned −1.2% and VGSH +1.7% with distributions reinvested, a gap of 2.9 points.

Data as of Oct 28, 2026.

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About each fund
IUSB

IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.

VGSH

VGSH tracks an index of Short-Term Treasury. Over the year to Oct 28, 2026 it returned +1.7% with distributions reinvested, against +1.8% for its benchmark, the Bloomberg U.S. Treasury 1-3 Year Index. The prospectus expense ratio is 0.03% a year.

Questions people ask

Which returned more over the last year, IUSB or VGSH?
In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and VGSH +1.7%.
Which is cheaper, IUSB or VGSH?
VGSH is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, IUSB against VGSH, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-vgsh

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