Which returned more over the last year, AOR or BIL?

In the year to Oct 28, 2026, with distributions reinvested, AOR returned +7.8% and BIL +3.7%.

Which is cheaper, AOR or BIL?

BIL is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

AOR vs BIL: Differences, Returns & Fees

Share on X Download as PDF

Over the year to Oct 28, 2026, AOR returned +7.8% to BIL's +3.7%; 0% of their weight is in the same names.

askIQ about this page

askIQ about AOR and BIL

Net assets: $3.9bn on Oct 28, 2026 for iShares Core 60/40 Balanced Allocation ETF, and $48.7bn on Oct 27, 2026 for SPDR Bloomberg 1-3 Month T-Bill ETF.

AOR on its own →BIL on its own →

At a glance

+7.8%

AOR total return, 1 year

+3.7%

BIL total return, 1 year

0.15%

AOR expense ratio

0.14%

BIL expense ratio

Pair scorecard

BIL costs 0.01 points a year less; their one-year returns differ by 4.1 points; BIL is 12.5 times larger.

AOR vs BIL: Differences, Returns & Fees
Measure	AOR	BIL
Return
Measure	AOR	BIL
Total return, 1 year	+7.8%	+3.7%
Benchmark
Measure	AOR	BIL
What it tracks	60/40 Balanced Allocation	Bloomberg 1-3 Month U.S. Treasury Bill Index
Cost and size
Measure	AOR	BIL
Expense ratio	0.15%	0.14%
Net assets, as of Oct 27, 2026	$3.9bn	$48.7bn
Holdings
Measure	AOR	BIL
Holdings in common	0%
In the S&P 500, by weight	0%
Top ten holdings, share of the fund	99.9%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, AOR and BIL hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first AOR BIL

Only in one fund ↓

Only in AOR

ISHARES CORE S&P ETF TRUST 35.70%

ISHARES CORE UNIV USD BOND ETF 32.15%

ISHARES CORE MSCI INT DEVEL ETF 17.10%

ISHARES CORE MSCI EMERGING MARKETS 6.34%

iShares Core Intl Aggregate Bnd ET 5.81%

ISHARES CORE S&P MID-CAP ETF 1.89%

ISHARES CORE S&P SMALL-CAP ETF 0.92%

Only in BIL

TREASURY BILL 12/26 0.00000 7.94%

TREASURY BILL 12/26 0.00000 6.66%

TREASURY BILL 12/26 0.00000 6.46%

TREASURY BILL 12/26 0.00000 6.40%

TREASURY BILL 12/26 0.00000 6.39%

TREASURY BILL 11/26 0.00000 6.26%

TREASURY BILL 12/26 0.00000 6.21%

TREASURY BILL 11/26 0.00000 4.85%

Check overlap with more funds →

Side by side

AOR iShares Core 60/40 Balanced Allocation ETF BIL SPDR Bloomberg 1-3 Month T-Bill ETF

Where it sits Allocation ETF Bond ETF

Issuer iShares State Street

What it is Tracks an index of 60/40 Balanced Allocation Tracks an index of 1-3 month T-bills

Total return, 1 year +7.8% +3.7%

Its benchmark over the same days +13.4% (ACWI) not measured

Gap to its benchmark −5.6 pts vs ACWI not measured

Expense ratio 0.15% 0.14%

Holdings 7 26

Net assets, AOR as of Oct 28, 2026 and BIL as of Oct 27, 2026 $3.9bn $48.7bn

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

Alert

About each fund

AOR

AOR tracks an index of 60/40 Balanced Allocation. Over the year to Oct 28, 2026 it returned +7.8% with distributions reinvested, against +13.4% for its benchmark, the MSCI All Country World Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 7 positions, with the top ten at 99.9%.

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, AOR or BIL?: In the year to Oct 28, 2026, with distributions reinvested, AOR returned +7.8% and BIL +3.7%.
Which is cheaper, AOR or BIL?: BIL is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

AOR vs SHV AOR vs PULS AOR vs USFR AOR vs MINT BIL vs CGBL BIL vs IYR BIL vs BILS BIL vs IBDS

Where to next

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

Sources and dates

AOR filings on SEC EDGAR ↗

AOR prospectus with the expense ratio (SEC) ↗

iShares page for AOR ↗

BIL filings on SEC EDGAR ↗

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

Open data →

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