Which is cheaper, CORB or FBND?

CORB is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

CORB vs FBND: Differences, Returns & Fees

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On Aug 31, 2026 CORB's duration was 6.2 years and FBND's 5.6; CORB charges 0.28% to FBND's 0.36%.

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Net assets: $1.2bn on Oct 27, 2026 for AB Core Bond ETF, and $27.9bn on Sep 30, 2026 for Fidelity Total Bond ETF.

CORB on its own →FBND on its own →

At a glance

−1.5%

CORB total return, since launch, Nov 10, 2025

−1.5%

FBND total return, 1 year

0.28%

CORB expense ratio

0.36%

FBND expense ratio

Pair scorecard

CORB costs 0.08 points a year less.

CORB vs FBND: Differences, Returns & Fees
Measure	CORB	FBND
Return
Measure	CORB	FBND
Total return, 1 year	not published	−1.5%
Drawdown
Measure	CORB	FBND
Below its high	3.5%, high on Feb 27, 2026
Benchmark
Measure	CORB	FBND
What it tracks	No index, actively managed	No index, actively managed
Cost and size
Measure	CORB	FBND
Expense ratio	0.28%	0.36%
Net assets, CORB as of Oct 27, 2026 and FBND as of Sep 30, 2026	$1.2bn	$27.9bn
Holdings
Measure	CORB	FBND
Holdings in common	9%

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

What they share

By the books each fund has filed, CORB and FBND hold 9% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026.

50%

0 half 100%

half

9% in common

Positions both hold · largest shared weight first CORB FBND

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 2.33% 1.99%

U.S. Treasury Bonds, due Nov 15, 2055 2.23% 0.73%

Ginnie Mae, due Sep 1, 2054 1.47% 0.46%

U.S. Treasury Notes, due Nov 15, 2033 1.55% 0.44%

Ginnie Mae, due Sep 1, 2054 0.44% 1.28%

U.S. Treasury Bonds, due Aug 15, 2053 0.83% 0.42%

U.S. Treasury Bonds, due Feb 15, 2054 0.38% 1.37%

U.S. Treasury Notes, due Aug 31, 2031 2.54% 0.36%

U.S. Treasury Bonds, due Nov 15, 2054 0.34% 1.12%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 1.04% 0.31%

U.S. Treasury Bonds, due Feb 15, 2053 0.31% 0.54%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 2.59% 0.30%

Only in one fund ↓

Only in CORB

U.S. Treasury Bills, due Nov 19, 2026 2.63%

U.S. Treasury Notes, due Nov 15, 2028 2.57%

U.S. Treasury Notes, due Mar 31, 2031 2.19%

U.S. Treasury Notes, due Sep 30, 2030 2.06%

Ginnie Mae, due Sep 1, 2056 1.91%

U.S. Treasury Notes, due Oct 31, 2028 1.53%

U.S. Treasury Notes, due Feb 28, 2029 1.47%

U.S. Treasury Inflation-Indexed Notes, due Jul 15, 2033 1.45%

Only in FBND

UST NOTES 4.375% 05/15/2036, due May 15, 2036 2.73%

UST NOTES 4.125% 02/15/2036, due Feb 15, 2036 2.04%

UST NOTES 4.25% 08/15/2035, due Aug 15, 2035 1.97%

UNITED STATES TREASURY BOND 5% 05/15/2056, due May 15, 2056 1.36%

UST NOTES 3.875% 12/31/2032, due Dec 31, 2032 1.36%

UMBS 30YR 2% 10/01/2056 #TBA, due Oct 1, 2056 1.25%

UST NOTES 4% 01/31/2033, due Jan 31, 2033 1.09%

UST NOTES 4.125% 03/31/2032, due Mar 31, 2032 1.07%

Check overlap with more funds →

Side by side

CORB AB Core Bond ETF FBND Fidelity Total Bond ETF

Where it sits Bond ETF Bond ETF

Issuer AllianceBernstein Fidelity

What it is Actively managed Actively managed

Total return, 1 year −1.5% (since launch, Nov 10, 2025) −1.5%

Its benchmark over the same days −0.7% (AGG) (since launch, Nov 10, 2025) not measured

Gap to its benchmark −0.8 pts vs AGG (since launch, Nov 10, 2025) not measured

Expense ratio 0.28% 0.36%

Holdings 718 4696

Net assets, CORB as of Oct 27, 2026 and FBND as of Sep 30, 2026 $1.2bn $27.9bn

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

Alert

About each fund

CORB

CORB is actively managed and tracks no index. The prospectus expense ratio is 0.28% a year. It sat 3.5% below its high of Feb 27, 2026 on Oct 28, 2026.

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.

Questions people ask

Which is cheaper, CORB or FBND?: CORB is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

CORB vs JCPB CGCP vs CORB CORB vs EVTR CORB vs FIXD AGG vs FBND BND vs FBND FBND vs FIXD BOND vs FBND

Where to next

CORB on its own →FBND on its own →Hold both: look the portfolio through →Rankings →CORB dividend history →CORB holdings →FBND dividend history →FBND holdings →Standards and sources →

Sources and dates

CORB filings on SEC EDGAR ↗

CORB prospectus with the expense ratio (SEC) ↗

FBND filings on SEC EDGAR ↗

FBND prospectus with the expense ratio (SEC) ↗

Fidelity website ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, CORB against FBND, data as of Oct 28, 2026. https://etfiq.com/compare/any/corb-vs-fbnd

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.