IQ

Data as of Oct 28, 2026.

vsCompare their flowsaskIQ about these two fundsAsk the committee about these two funds
Across categories

BND vs CORB: Differences, Returns & Fees

Share
Share on XDownload as PDF

BND's duration was 5.7 years on Jun 30, 2026 and CORB's 6.2 on Aug 31, 2026; BND charges 0.03% to CORB's 0.28%.

askIQ about this page

askIQ about BND and CORB

Net assets: $161.4bn on Sep 30, 2026 for Vanguard Total Bond Market ETF, and $1.2bn on Oct 27, 2026 for AB Core Bond ETF.

BND on its own →CORB on its own →
At a glance
−1.3%
BND total return, 1 year
−1.5%
CORB total return, since launch, Nov 10, 2025
0.03%
BND expense ratio
0.28%
CORB expense ratio

Pair scorecard

BND costs 0.25 points a year less.

BND vs CORB: Differences, Returns & Fees
MeasureBNDCORB
Return
Total return, 1 year−1.3%not published
Drawdown
Below its high3.5%, high on Aug 6, 20203.5%, high on Feb 27, 2026
Benchmark
What it tracksBloomberg U.S. Aggregate Float Adjusted IndexNo index, actively managed
Cost and size
Expense ratio0.03%0.28%
Net assets, BND as of Sep 30, 2026 and CORB as of Oct 27, 2026$161.4bn$1.2bn
Holdings
Holdings in common9%

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

What they share

9%

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

0 half 100%

half

9% in common

Positions both hold · largest shared weight first BND CORB
US TREASURY N/B, due Nov 15, 2033 0.39% 1.55%
US TREASURY N/B, due Jun 30, 2029 0.23% 1.06%
US TREASURY N/B, due Mar 31, 2029 0.23% 0.55%
US TREASURY N/B, due Feb 15, 2054 0.23% 0.38%
US TREASURY N/B, due Feb 28, 2029 0.22% 1.47%
US TREASURY N/B, due Nov 15, 2053 0.21% 0.59%
US TREASURY N/B, due Nov 15, 2054 0.21% 0.34%
US TREASURY N/B, due Apr 30, 2028 0.21% 0.96%
US TREASURY N/B, due Nov 15, 2028 0.20% 2.57%
US TREASURY N/B, due Feb 15, 2029 0.20% 0.60%
US TREASURY N/B, due Sep 30, 2030 0.20% 2.06%
US TREASURY N/B, due Nov 30, 2028 0.20% 0.54%
Only in one fund ↓
Only in BND
US TREASURY N/B, due Jan 31, 2028 0.47%
US TREASURY N/B, due Nov 15, 2034 0.41%
US TREASURY N/B, due Nov 30, 2027 0.41%
US TREASURY N/B, due Feb 15, 2035 0.41%
US TREASURY N/B, due Feb 15, 2036 0.41%
US TREASURY N/B, due Aug 15, 2034 0.41%
US TREASURY N/B, due Feb 15, 2034 0.40%
US TREASURY N/B, due Aug 15, 2035 0.39%
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%
Check overlap with more funds →

Side by side

BND Vanguard Total Bond Market ETF CORB AB Core Bond ETF
Where it sits Bond ETF Bond ETF
Issuer Vanguard AllianceBernstein
What it is Tracks an index of US aggregate bonds Actively managed
Total return, 1 year −1.3% −1.5% (since launch, Nov 10, 2025)
Its benchmark over the same days −1.4% (AGG) −0.7% (AGG) (since launch, Nov 10, 2025)
Gap to its benchmark +0.1 pts vs AGG −0.8 pts vs AGG (since launch, Nov 10, 2025)
Expense ratio 0.03% 0.28%
Holdings 16301 718
Net assets, BND as of Sep 30, 2026 and CORB as of Oct 27, 2026 $161.4bn $1.2bn

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

Alert

The week's ETF fund flows, by email on Sundays.

One-click unsubscribe. See Privacy.

About each fund
BND

BND tracks an index of US aggregate bonds. Over the year to Oct 28, 2026 it returned −1.3% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Float Adjusted Index, measured by the closely related Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year. It sat 3.5% below its high of Aug 6, 2020 on Oct 28, 2026.

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.

Questions people ask

Which is cheaper, BND or CORB?
BND 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
BND vs UNIYBND vs SCCRBND vs JHCRBND vs UITBCORB vs DFCFCORB vs SCHZCORB vs SPABCORB vs JBND
Where to next
BND on its own →CORB on its own →Hold both: look the portfolio through →Rankings →BND dividend history →BND holdings →CORB dividend history →CORB holdings →Standards and sources →
Sources and dates
BND filings on SEC EDGAR ↗
BND prospectus with the expense ratio (SEC) ↗
Vanguard page for BND ↗
CORB filings on SEC EDGAR ↗
CORB prospectus with the expense ratio (SEC) ↗

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

Open data →

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