Data as of Oct 28, 2026.

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FBND vs IUSB: Differences, Returns & Fees

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FBND's duration was 5.6 years on Aug 31, 2026 and IUSB's 5.5 on Jul 31, 2026; IUSB charges 0.06% to FBND's 0.36%.

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Net assets: $27.9bn on Sep 30, 2026 for Fidelity Total Bond ETF, and $49.8bn on Oct 27, 2026 for iShares Core Universal USD Bond ETF.

At a glance
−1.5%
FBND total return, 1 year
−1.2%
IUSB total return, 1 year
0.36%
FBND expense ratio
0.06%
IUSB expense ratio

Pair scorecard

IUSB costs 0.30 points a year less; their one-year returns differ by 0.3 points; IUSB is 1.7 times larger.

FBND vs IUSB: Differences, Returns & Fees
MeasureFBNDIUSB
Return
Total return, 1 year−1.5%−1.2%
Benchmark
What it tracksNo index, actively managedBloomberg U.S. Universal Index
Cost and size
Expense ratio0.36%0.06%
Net assets, as of Sep 30, 2026$27.9bn$48.1bn
Holdings
Holdings in common15%

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

Risk and return

Oct 17, 2014 to Oct 23, 2026 · 627 weekly returns
FBND IUSB
Return
Total return edge FBND +31.8% +26.0%
Annualized edge FBND +2.3% +1.9%
Price return edge IUSB (slight) −12.7% −11.8%
Risk
Volatility edge IUSB 5.7% 5.1%
Max drawdown edge FBND (slight) −16.8% −17.7%
Risk-adjusted
Sharpe edge FBND 0.06 −0.01
Sortino edge FBND 0.08 −0.02
Calmar edge FBND 0.14 0.11
Reading

FBND returned more: +31.8% to +26.0%. IUSB swung less: 5.1% to 5.7%. FBND fell slightly less at its worst: −16.8% to −17.7%.

Full scorecard

9 measures, with how each is measured
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Risk and return: FBND vs IUSB: Differences, Returns & Fees
MeasureFBNDIUSBEdgeHow it is measured
Return
Total return+31.8%+26.0%FBNDPrice change plus distributions, reinvested.
Annualized+2.3%+1.9%FBNDTotal return as a yearly rate.
Price return−12.7%−11.8%IUSB (slight)Price change alone, distributions left out.
Risk
Volatility5.7%5.1%IUSBSpread of weekly returns, annualized. Lower is steadier.
Downside deviation4.1%3.7%IUSB (slight)Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown−16.8%−17.7%FBND (slight)Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.06−0.01FBNDReturn above Treasury bills per unit of volatility.
Sortino0.08−0.02FBNDReturn above Treasury bills per unit of downside deviation.
Calmar0.140.11FBNDAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 627 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

15%

By the books each fund has filed, FBND and IUSB hold 15% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.

0 half 100%

half

15% in common

Positions both hold · largest shared weight first FBND IUSB
UST NOTES 4.375% 05/15/2036, due May 15, 2036 2.73% 0.37%
UST NOTES 4.625% 02/15/2035, due Feb 15, 2035 0.79% 0.35%
UST NOTES 4.25% 08/15/2035, due Aug 15, 2035 1.97% 0.34%
UST NOTES 4.375% 05/15/2034, due May 15, 2034 0.42% 0.34%
UST NOTES 4.25% 11/15/2034, due Nov 15, 2034 0.92% 0.34%
UST NOTES 4.25% 05/15/2035, due May 15, 2035 1.04% 0.33%
UST NOTES 4.125% 02/15/2036, due Feb 15, 2036 2.04% 0.33%
UST NOTES 3.875% 08/15/2034, due Aug 15, 2034 0.54% 0.33%
UST NOTES 4% 11/15/2035, due Nov 15, 2035 0.87% 0.32%
UST NOTES 4.5% 11/15/2033, due Nov 15, 2033 0.44% 0.29%
UST NOTES 3.875% 08/15/2033, due Aug 15, 2033 0.32% 0.27%
UST NOTES 4.125% 11/15/2032, due Nov 15, 2032 0.29% 0.26%
Only in one fund ↓
Only in FBND
UMBS 30YR 2% 09/01/2056 #TBA, due Sep 1, 2056 1.99%
GNII II 5.5% 09/01/2056 #TBA, due Sep 1, 2056 1.28%
UMBS 30YR 2% 10/01/2056 #TBA, due Oct 1, 2056 1.25%
GNII II 5.5% 10/01/2056 #TBA, due Oct 1, 2056 0.97%
UMBS 30YR 6.5% 09/01/2056 #TBA, due Sep 1, 2056 0.57%
UST NOTES 4.375% 07/31/2033, due Jul 31, 2033 0.49%
GNII II 5% 09/01/2056 #TBA, due Sep 1, 2056 0.46%
UMBS 30YR 6% 09/01/2056 #TBA, due Sep 1, 2056 0.31%
Only in IUSB
Uniform Mortgage-Backed Securities, due Aug 25, 2056 0.41%
U.S. Treasury Notes, due Aug 15, 2032 0.33%
Uniform Mortgage-Backed Securities, due Aug 25, 2056 0.31%
Uniform Mortgage-Backed Securities, due Aug 25, 2056 0.30%
U.S. Treasury Notes, due Jun 15, 2028 0.30%
U.S. Treasury Notes, due Jul 15, 2028 0.29%
U.S. Treasury Notes, due Aug 15, 2031 0.29%
U.S. Treasury Notes, due Oct 31, 2030 0.29%
Check overlap with more funds →

Side by side

FBND Fidelity Total Bond ETF IUSB iShares Core Universal USD Bond ETF
Where it sits Bond ETF Bond ETF
What it is Actively managed Tracks an index of Universal USD Bond
Total return, 1 year −1.5% −1.2%
Expense ratio 0.36% 0.06%
Holdings 4696 18338
Net assets, FBND as of Sep 30, 2026 and IUSB as of Oct 27, 2026 $27.9bn $49.8bn

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

Client brief · page 1 of 2 Report BR-35BF1CA3F7

FBND and IUSB are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. FBND follows No index, actively managed and IUSB follows Bloomberg U.S. Universal Index.
  2. Holdings in common. 15% of the weight is in the same securities (holdings dated Aug 31, 2026 and Jul 31, 2026).
  3. Number of holdings. FBND holds 4,696 positions and IUSB holds 18338.

Data as of Oct 28, 2026.

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About each fund
FBND

FBND is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned −1.5% with distributions reinvested. The prospectus expense ratio is 0.36% a year.

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.

Questions people ask

Which returned more over the last year, FBND or IUSB?
In the year to Oct 28, 2026, with distributions reinvested, FBND returned −1.5% and IUSB −1.2%.
Which is cheaper, FBND or IUSB?
IUSB is cheaper, by 0.30 percentage points a year. That is about $30 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, FBND against IUSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/fbnd-vs-iusb

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