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BIV vs SPAB: Differences, Returns & Fees

On Jun 30, 2026 BIV's duration was 5.9 years and SPAB's 5.9; both charge 0.03%. Net assets: $28.1bn on Sep 30, 2026 for Vanguard Intermediate-Term Bond ETF, and $9.9bn on Oct 8, 2026 for State Street SPDR Portfolio Aggregate Bond ETF.

Both cost 0.03% a year; their one-year returns differ by 0.7 points; BIV is 2.8 times larger.

Points (pts) are percentage points.

BIVSPAB
Expense ratio0.03%0.03%
Net assets, as of Sep 30, 2026$28.1bn$9.9bn
Total return, 1 year−2.3%−1.6%
What it tracksnot read by ETFIQBloomberg U.S. Aggregate Bond Index ?
Holdings in common17%
Below its high5.0%, high on Feb 27, 20264.9%, high on Aug 4, 2020

Holdings in common uses holdings dated Jun 30, 2026.

−2.3%
BIV total return, 1 year
−1.6%
SPAB total return, 1 year
0.03%
BIV expense ratio
0.03%
SPAB expense ratio

What they hold in common

By the books each fund has filed, BIV and SPAB hold 17% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.

half

17% in common

Positions both hold, largest shared weight first
Holding BIV SPAB
US TREASURY N/B, due Nov 15, 2034 2.08% 0.40%
US TREASURY N/B, due Aug 15, 2035 2.04% 0.40%
US TREASURY N/B, due May 15, 2034 2.13% 0.37%
US TREASURY N/B, due Nov 15, 2033 2.10% 0.37%
US TREASURY N/B, due Feb 15, 2035 2.08% 0.37%
US TREASURY N/B, due Aug 15, 2034 2.02% 0.37%
US TREASURY N/B, due Feb 15, 2036 2.14% 0.36%
US TREASURY N/B, due Feb 15, 2034 2.14% 0.34%
US TREASURY N/B, due May 15, 2035 2.04% 0.34%
US TREASURY N/B, due Nov 15, 2035 1.94% 0.33%
US TREASURY N/B, due Aug 15, 2033 1.84% 0.32%
US TREASURY N/B, due May 31, 2033 1.07% 0.31%
Only in BIV
US TREASURY N/B, due Nov 15, 2031 1.70%
US TREASURY N/B, due May 15, 2032 1.65%
US TREASURY N/B, due Nov 30, 2032 0.98%
US TREASURY N/B, due Jun 30, 2031 0.10%
WELLS FARGO CO, due Apr 24, 2034 0.08%
JPMORGAN CHASE, due Jun 1, 2034 0.07%
NVIDIA CORP, due Jun 15, 2036 0.06%
JPMORGAN CHASE, due Jan 23, 2035 0.06%
Only in SPAB
U.S. Treasury Notes, due Dec 15, 2028 0.79%
U.S. Treasury Notes, due Nov 30, 2028 0.44%
U.S. Treasury Notes, due Mar 31, 2031 0.43%
U.S. Treasury Notes, due Jan 31, 2028 0.42%
U.S. Treasury Notes, due Dec 31, 2027 0.39%
U.S. Treasury Notes, due Apr 30, 2028 0.38%
U.S. Treasury Notes, due Aug 31, 2028 0.34%
U.S. Treasury Notes, due Dec 31, 2030 0.34%

Check overlap with more funds →

On the same fields

BIV
Vanguard Intermediate-Term Bond ETF
SPAB
State Street SPDR Portfolio Aggregate Bond ETF
Where it sits Bond ETF Bond ETF
Issuer Vanguard State Street
What it is Tracks an index Tracks an index
Total return, 1 year −2.3% −1.6%
S&P 500 over the same days +17.3% +17.3%
Gap to the S&P 500 −19.5 pts −18.8 pts
Expense ratio 0.03% 0.03%
Holdings 2347 8690
Net assets, BIV as of Sep 30, 2026 and SPAB as of Oct 8, 2026 $28.1bn $9.9bn

BIV and SPAB on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

BIV in plain words

BIV tracks an index. Over the year to Oct 9, 2026 it returned −2.3% with distributions reinvested. The prospectus expense ratio is 0.03% a year. It sat 5.0% below its high of Feb 27, 2026 on Oct 9, 2026.

SPAB in plain words

SPAB tracks an index. Over the year to Oct 9, 2026 it returned −1.6% with distributions reinvested, against −1.6% for its benchmark, the Bloomberg U.S. Aggregate Bond Index ?. It sat 4.9% below its high of Aug 4, 2020 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, BIV or SPAB?
In the year to Oct 9, 2026, with distributions reinvested, BIV returned −2.3% and SPAB −1.6%.
Which is cheaper, BIV or SPAB?
Neither: BIV and SPAB both charge 0.03% a year. Fees come from each fund's prospectus.
Other comparisons
BIV vs SCHZBIV vs BNDBIV vs DFCFBIV vs JBNDSPAB vs VCRBCGCB vs SPABEAGG vs SPABSPAB vs TAGG
BIV on its own →SPAB on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
BIV filings on SEC EDGAR ↗BIV prospectus with the expense ratio (SEC) ↗Vanguard page for BIV ↗SPAB filings on SEC EDGAR ↗SPAB prospectus with the expense ratio (SEC) ↗State Street website ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, BIV against SPAB, data as of Oct 9, 2026. https://etfiq.com/compare/any/biv-vs-spab

Open data

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