Data as of Oct 28, 2026.

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IUSB vs VBIL: Differences, Returns & Fees

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IUSB's duration was 5.5 years on Jul 31, 2026 and VBIL's 0.1 on Jun 30, 2026; both charge 0.06%.

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Net assets: $49.8bn on Oct 27, 2026 for iShares Core Universal USD Bond ETF, and $12.8bn on Sep 30, 2026 for Vanguard 0-3 Month Treasury Bill ETF.

At a glance
−1.2%
IUSB total return, 1 year
+3.7%
VBIL total return, 1 year
0.06%
IUSB expense ratio
0.06%
VBIL expense ratio

Pair scorecard

Both cost 0.06% a year; their one-year returns differ by 4.9 points; IUSB is 3.8 times larger.

IUSB vs VBIL: Differences, Returns & Fees
MeasureIUSBVBIL
Return
Total return, 1 year−1.2%+3.7%
Benchmark
What it tracksBloomberg U.S. Universal IndexBloomberg U.S. Treasury Bills 0-3 Months Index
Cost and size
Expense ratio0.06%0.06%
Net assets, as of Sep 30, 2026$48.1bn$12.8bn
Holdings
Holdings in common0%

Holdings in common uses holdings dated Jun 30, 2026 and Jul 31, 2026. Method

What they share

0%

By the books each fund has filed, IUSB and VBIL hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Jul 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IUSB VBIL
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 VBIL
TREASURY BILL, due Jul 9, 2026 6.78%
TREASURY BILL, due Aug 6, 2026 6.10%
TREASURY BILL, due Jul 2, 2026 5.61%
TREASURY BILL, due Jul 16, 2026 5.41%
TREASURY BILL, due Jul 23, 2026 5.18%
TREASURY BILL, due Jul 14, 2026 5.17%
TREASURY BILL, due Jul 21, 2026 5.15%
TREASURY BILL, due Jul 30, 2026 5.12%
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Side by side

IUSB iShares Core Universal USD Bond ETF VBIL Vanguard 0-3 Month Treasury Bill ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of Universal USD Bond Tracks an index of 0-3 Month Treasury Bill
Total return, 1 year −1.2% +3.7%
Expense ratio 0.06% 0.06%
Holdings 18338 28
Net assets, IUSB as of Oct 27, 2026 and VBIL as of Sep 30, 2026 $49.8bn $12.8bn

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

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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.

VBIL

VBIL tracks an index of 0-3 Month Treasury Bill. Over the year to Oct 28, 2026 it returned +3.7% with distributions reinvested.

Questions people ask

Which returned more over the last year, IUSB or VBIL?
In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and VBIL +3.7%.
Which is cheaper, IUSB or VBIL?
Neither: IUSB and VBIL both charge 0.06% a year. Fees come from each fund's prospectus.
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ETFIQ, IUSB against VBIL, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-vbil

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