Which is cheaper, CORB or SPAB?

SPAB is cheaper, by 0.25 percentage points a year. That is about $25 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

CORB vs SPAB: Differences, Returns & Fees

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CORB's duration was 6.2 years on Aug 31, 2026 and SPAB's 5.9 on Jun 30, 2026; SPAB charges 0.03% to CORB's 0.28%.

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Net assets on Oct 27, 2026: $1.2bn for AB Core Bond ETF and $10.4bn for State Street SPDR Portfolio Aggregate Bond ETF.

CORB on its own →SPAB on its own →

At a glance

−1.5%

CORB total return, since launch, Nov 10, 2025

−1.4%

SPAB total return, 1 year

0.28%

CORB expense ratio

0.03%

SPAB expense ratio

Pair scorecard

SPAB costs 0.25 points a year less; SPAB is 8.7 times larger.

CORB vs SPAB: Differences, Returns & Fees
Measure	CORB	SPAB
Return
Measure	CORB	SPAB
Total return, 1 year	not published	−1.4%
Drawdown
Measure	CORB	SPAB
Below its high	3.5%, high on Feb 27, 2026	3.6%, high on Aug 4, 2020
Benchmark
Measure	CORB	SPAB
What it tracks	No index, actively managed	Bloomberg U.S. Aggregate Bond Index
Cost and size
Measure	CORB	SPAB
Expense ratio	0.28%	0.03%
Net assets, as of Oct 27, 2026	$1.2bn	$10.4bn
Holdings
Measure	CORB	SPAB
Holdings in common	9%

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

What they share

By the books each fund has filed, CORB and SPAB hold 9% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

50%

0 half 100%

half

9% in common

Positions both hold · largest shared weight first CORB SPAB

U.S. Treasury Notes, due Nov 30, 2028 0.54% 0.44%

U.S. Treasury Notes, due Mar 31, 2031 2.19% 0.43%

U.S. Treasury Notes, due Apr 30, 2028 0.96% 0.38%

U.S. Treasury Notes, due Nov 15, 2033 1.55% 0.37%

U.S. Treasury Bonds, due Feb 15, 2043 0.30% 0.26%

U.S. Treasury Notes, due Jun 30, 2029 1.06% 0.25%

U.S. Treasury Bonds, due Nov 15, 2055 2.23% 0.25%

U.S. Treasury Notes, due Oct 31, 2028 1.53% 0.25%

U.S. Treasury Bonds, due Feb 15, 2054 0.38% 0.23%

U.S. Treasury Notes, due Feb 29, 2028 1.00% 0.22%

U.S. Treasury Bonds, due Aug 15, 2042 0.46% 0.22%

U.S. Treasury Notes, due Sep 30, 2028 1.58% 0.22%

Only in one fund ↓

Only in CORB

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

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

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

Ginnie Mae, due Sep 1, 2056 1.91%

Ginnie Mae, due Sep 1, 2054 1.47%

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

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 1.05%

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

Only in SPAB

U.S. Treasury Notes, due Dec 15, 2028 0.79%

U.S. Treasury Notes, due Jan 31, 2028 0.42%

U.S. Treasury Notes, due Nov 15, 2034 0.40%

U.S. Treasury Notes, due Aug 15, 2035 0.40%

U.S. Treasury Notes, due Dec 31, 2027 0.39%

U.S. Treasury Notes, due Feb 15, 2035 0.37%

U.S. Treasury Notes, due Aug 15, 2034 0.37%

U.S. Treasury Notes, due Feb 15, 2036 0.36%

Check overlap with more funds →

Side by side

CORB AB Core Bond ETF SPAB State Street SPDR Portfolio Aggregate Bond ETF

Where it sits Bond ETF Bond ETF

Issuer AllianceBernstein State Street

What it is Actively managed Tracks an index

Total return, 1 year −1.5% (since launch, Nov 10, 2025) −1.4%

Its benchmark over the same days −0.7% (AGG) (since launch, Nov 10, 2025) −1.4% (AGG)

Gap to its benchmark −0.8 pts vs AGG (since launch, Nov 10, 2025) 0.0 pts vs AGG

Expense ratio 0.28% 0.03%

Holdings 718 8740

Net assets, as of Oct 27, 2026 $1.2bn $10.4bn

CORB and SPAB 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.

SPAB

SPAB tracks an index. Over the year to Oct 28, 2026 it returned −1.4% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year. It sat 3.6% below its high of Aug 4, 2020 on Oct 28, 2026.

Questions people ask

Which is cheaper, CORB or SPAB?: SPAB is cheaper, by 0.25 percentage points a year. That is about $25 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

CORB vs SCHZ CORB vs EAGG CORB vs FLCB CORB vs TAGG SPAB vs UNIY SCCR vs SPAB JHCR vs SPAB SPAB vs UITB

Where to next

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

Sources and dates

CORB filings on SEC EDGAR ↗

CORB prospectus with the expense ratio (SEC) ↗

SPAB filings on SEC EDGAR ↗

SPAB prospectus with the expense ratio (SEC) ↗

State Street 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 SPAB, data as of Oct 28, 2026. https://etfiq.com/compare/any/corb-vs-spab

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