AGG vs BIV: Differences, Returns & Fees

AGG's duration was 5.8 years on May 31, 2026 and BIV's 5.9 on Jun 30, 2026; both charge 0.03%. Net assets: $137.1bn on Oct 9, 2026 for iShares Core U.S. Aggregate Bond ETF, and $28.1bn on Sep 30, 2026 for Vanguard Intermediate-Term Bond ETF.

Both cost 0.03% a year; their one-year returns differ by 0.7 points; AGG is 4.8 times larger.

Points (pts) are percentage points.

AGGBIV
Expense ratio0.03%0.03%
Net assets, as of Sep 30, 2026$135.7bn$28.1bn
Total return, 1 year−1.6%−2.3%
What it tracksBloomberg U.S. Aggregate Bond Indexnot read by ETFIQ
Holdings in common17%
Below its high4.7%, high on Aug 4, 20205.0%, high on Feb 27, 2026

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

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

What they hold in common

By the books each fund has filed, AGG and BIV 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 May 31, 2026 and Jun 30, 2026.

half

17% in common

Positions both hold, largest shared weight first
Holding AGG BIV
U.S. Treasury Notes, due Feb 15, 2035 0.42% 2.08%
U.S. Treasury Notes, due Nov 15, 2034 0.41% 2.08%
U.S. Treasury Notes, due Aug 15, 2034 0.40% 2.02%
U.S. Treasury Notes, due Nov 15, 2033 0.40% 2.10%
U.S. Treasury Notes, due May 15, 2035 0.39% 2.04%
U.S. Treasury Notes, due Aug 15, 2035 0.39% 2.04%
U.S. Treasury Notes, due Feb 15, 2034 0.39% 2.14%
U.S. Treasury Notes, due Nov 15, 2035 0.39% 1.94%
U.S. Treasury Notes, due May 15, 2034 0.38% 2.13%
U.S. Treasury Notes, due Feb 15, 2036 0.37% 2.14%
U.S. Treasury Notes, due Aug 15, 2033 0.35% 1.84%
U.S. Treasury Notes, due May 15, 2032 0.33% 1.65%
Only in AGG
U.S. Treasury Notes, due Feb 28, 2030 0.41%
U.S. Treasury Notes, due Jun 15, 2028 0.35%
U.S. Treasury Notes, due Aug 31, 2030 0.33%
U.S. Treasury Notes, due Feb 28, 2031 0.31%
U.S. Treasury Notes, due Jan 31, 2028 0.31%
U.S. Treasury Notes, due Dec 31, 2030 0.31%
U.S. Treasury Notes, due Mar 31, 2031 0.30%
U.S. Treasury Notes, due May 31, 2030 0.30%
Only in BIV
US TREASURY N/B, due May 31, 2033 1.07%
US TREASURY N/B, due Jun 30, 2031 0.10%
SPACE EXPLORATIO, due Jul 15, 2036 0.08%
SPACE EXPLORATIO, due Jul 15, 2033 0.08%
NVIDIA CORP, due Jun 15, 2036 0.06%
US TREASURY N/B, due May 31, 2031 0.06%
CORP ANDINA FOM, due Jan 15, 2036 0.04%
NVIDIA CORP, due Jun 15, 2033 0.04%

Check overlap with more funds →

On the same fields

AGG
iShares Core U.S. Aggregate Bond ETF
BIV
Vanguard Intermediate-Term Bond ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of US aggregate bonds Tracks an index
Total return, 1 year −1.6% −2.3%
S&P 500 over the same days +17.3% +17.3%
Gap to the S&P 500 −18.8 pts −19.5 pts
Expense ratio 0.03% 0.03%
Holdings 13402 2347
Net assets, AGG as of Oct 9, 2026 and BIV as of Sep 30, 2026 $137.1bn $28.1bn

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

AGG in plain words

AGG tracks an index of US aggregate bonds. 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. The prospectus expense ratio is 0.03% a year. It sat 4.7% below its high of Aug 4, 2020 on Oct 9, 2026.

BIV in plain words

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

Questions people ask

Which returned more over the last year, AGG or BIV?
In the year to Oct 9, 2026, with distributions reinvested, AGG returned −1.6% and BIV −2.3%.
Which is cheaper, AGG or BIV?
Neither: AGG and BIV both charge 0.03% a year. Fees come from each fund's prospectus.
Cite this pageCitation, APA and Markdown

ETFIQ, AGG against BIV, data as of Oct 9, 2026. https://etfiq.com/compare/any/agg-vs-biv

Open data

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