Data as of Oct 28, 2026.

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Across categories

BIL vs IWB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, BIL returned +3.7% to IWB's +13.1%; 0% of their weight is in the same names.

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Net assets: $48.7bn on Oct 27, 2026 for SPDR Bloomberg 1-3 Month T-Bill ETF, and $49.1bn on Oct 28, 2026 for iShares Russell 1000 ETF.

At a glance
+3.7%
BIL total return, 1 year
+13.1%
IWB total return, 1 year
0.14%
BIL expense ratio
0.15%
IWB expense ratio

Pair scorecard

BIL costs 0.01 points a year less; their one-year returns differ by 9.4 points.

BIL vs IWB: Differences, Returns & Fees
MeasureBILIWB
Return
Total return, 1 year+3.7%+13.1%
Benchmark
What it tracksBloomberg 1-3 Month U.S. Treasury Bill IndexRussell 1000 Index
Cost and size
Expense ratio0.14%0.15%
Net assets, as of Oct 26, 2026$49.8bn$48.7bn
Holdings
Holdings in common0%
In the S&P 500, by weight92%
Top ten holdings, share of the fund35.3%

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

What they share

0%

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

0 half 100%

half

0% in common

Positions both hold · largest shared weight first BIL IWB
Only in one fund ↓
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%
Only in IWB
NVIDIA 7.15%
APPLE 7.06%
MICROSOFT 5.56%
AMAZON.COM INC 3.46%
ALPHABET CLASS A 2.63%
BROADCOM INC 2.24%
ALPHABET CLASS C 2.12%
META PLATFORMS CLASS A 1.92%
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Side by side

BIL SPDR Bloomberg 1-3 Month T-Bill ETF IWB iShares Russell 1000 ETF
Where it sits Bond ETF Stock ETF
What it is Tracks an index of 1-3 month T-bills Tracks the Russell 1000
Total return, 1 year +3.7% +13.1%
Its benchmark over the same days not measured +13.2% (VONE)
Gap to its benchmark not measured −0.1 pts vs VONE
Expense ratio 0.14% 0.15%
Holdings 26 1025
Net assets, BIL as of Oct 27, 2026 and IWB as of Oct 28, 2026 $48.7bn $49.1bn

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

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About each fund
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.

IWB

IWB tracks the Russell 1000. Over the year to Oct 28, 2026 it returned +13.1% with distributions reinvested, against +13.2% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 35.3%.

Questions people ask

Which returned more over the last year, BIL or IWB?
In the year to Oct 28, 2026, with distributions reinvested, BIL returned +3.7% and IWB +13.1%.
Which is cheaper, BIL or IWB?
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.
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ETFIQ, BIL against IWB, data as of Oct 28, 2026. https://etfiq.com/compare/any/bil-vs-iwb

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