Data as of Oct 28, 2026.

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

AGG vs BIL: Differences, Returns & Fees

Share
Share on XDownload as PDF

AGG's duration was 5.8 years on Aug 31, 2026 and BIL's 0.2 on Jun 30, 2026; AGG charges 0.03% to BIL's 0.14%.

askIQ about this page

askIQ about AGG and BIL

Net assets on Oct 27, 2026: $139.4bn for iShares Core U.S. Aggregate Bond ETF and $48.7bn for SPDR Bloomberg 1-3 Month T-Bill ETF.

At a glance
−1.4%
AGG total return, 1 year
+3.7%
BIL total return, 1 year
0.03%
AGG expense ratio
0.14%
BIL expense ratio

Pair scorecard

AGG costs 0.11 points a year less; their one-year returns differ by 5.1 points; AGG is 2.9 times larger.

AGG vs BIL: Differences, Returns & Fees
MeasureAGGBIL
Return
Total return, 1 year−1.4%+3.7%
Drawdown
Below its high3.4%, high on Aug 4, 2020
Benchmark
What it tracksBloomberg U.S. Aggregate Bond IndexBloomberg 1-3 Month U.S. Treasury Bill Index
Cost and size
Expense ratio0.03%0.14%
Net assets, as of Oct 27, 2026$139.4bn$48.7bn
Holdings
Holdings in common0%

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

What they share

0%

By the books each fund has filed, AGG and BIL hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first AGG BIL
Only in one fund ↓
Only in AGG
U.S. Treasury Notes, due Feb 15, 2035 0.41%
U.S. Treasury Notes, due Nov 15, 2034 0.40%
U.S. Treasury Notes, due Feb 28, 2030 0.40%
U.S. Treasury Notes, due May 15, 2034 0.40%
U.S. Treasury Notes, due Aug 15, 2034 0.39%
U.S. Treasury Notes, due Feb 15, 2036 0.39%
U.S. Treasury Notes, due May 15, 2035 0.39%
U.S. Treasury Notes, due Nov 15, 2033 0.38%
Only in BIL
U.S. Treasury Bills, due Aug 6, 2026 12.04%
U.S. Treasury Bills, due Sep 3, 2026 9.04%
U.S. Treasury Bills, due Aug 27, 2026 7.22%
U.S. Treasury Bills, due Sep 17, 2026 7.03%
U.S. Treasury Bills, due Sep 10, 2026 6.98%
U.S. Treasury Bills, due Sep 24, 2026 6.97%
U.S. Treasury Bills, due Aug 13, 2026 6.85%
U.S. Treasury Bills, due Aug 20, 2026 6.49%
Check overlap with more funds →

Side by side

AGG iShares Core U.S. Aggregate Bond ETF BIL SPDR Bloomberg 1-3 Month T-Bill ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of US aggregate bonds Tracks an index of 1-3 month T-bills
Total return, 1 year −1.4% +3.7%
Its benchmark over the same days −1.3% (SCHZ) not measured
Gap to its benchmark −0.1 pts vs SCHZ not measured
Expense ratio 0.03% 0.14%
Holdings 13469 26
Net assets, as of Oct 27, 2026 $139.4bn $48.7bn

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

Alert

AGG and BIL flows, by email on Sundays.

One-click unsubscribe. See Privacy.

About each fund
AGG

AGG tracks an index of US aggregate bonds. Over the year to Oct 28, 2026 it returned −1.4% with distributions reinvested, against −1.3% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year. It sat 3.4% below its high of Aug 4, 2020 on Oct 28, 2026.

BIL

BIL tracks an index of 1-3 month T-bills. Over the year to Oct 28, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.14% a year.

Questions people ask

Which returned more over the last year, AGG or BIL?
In the year to Oct 28, 2026, with distributions reinvested, AGG returned −1.4% and BIL +3.7%.
Which is cheaper, AGG or BIL?
AGG is cheaper, by 0.11 percentage points a year. That is about $11 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
Cite this pageCitation, APA and Markdown

ETFIQ, AGG against BIL, data as of Oct 28, 2026. https://etfiq.com/compare/any/agg-vs-bil

Open data →

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