Data as of Oct 28, 2026.

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IEI vs SPY: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IEI returned −1.1% to SPY's +13.6%; 0% of their weight is in the same names.

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Net assets on Oct 27, 2026: $17.0bn for iShares 3-7 Year Treasury Bond ETF and $814.8bn for SPDR S&P 500 ETF Trust.

At a glance
−1.1%
IEI total return, 1 year
+13.6%
SPY total return, 1 year
0.15%
IEI expense ratio
0.09%
SPY expense ratio

Pair scorecard

SPY costs 0.06 points a year less; their one-year returns differ by 14.7 points; SPY is far larger, $814.8bn against $17.0bn.

IEI vs SPY: Differences, Returns & Fees
MeasureIEISPY
Return
Total return, 1 year−1.1%+13.6%
Benchmark
What it tracksICE U.S. Treasury 3-7 Year Bond IndexS&P 500 Index
Cost and size
Expense ratio0.15%0.09%
Net assets, as of Oct 27, 2026$17.0bn$814.8bn
Holdings
Holdings in common0%
In the S&P 500, by weight100%
Top ten holdings, share of the fund38.1%

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

What they share

0%

By the books each fund has filed, IEI and SPY 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 IEI SPY
Only in one fund ↓
Only in IEI
TREASURY NOTE 2.95%
TREASURY NOTE (2OLD) 2.36%
TREASURY NOTE 2.31%
TREASURY NOTE 2.31%
TREASURY NOTE 2.29%
TREASURY NOTE 2.27%
TREASURY NOTE 2.25%
TREASURY NOTE 2.20%
Only in SPY
NVIDIA CORP 7.92%
APPLE INC 7.61%
MICROSOFT CORP 5.93%
AMAZON.COM INC 3.73%
ALPHABET INC CL A 2.83%
BROADCOM INC 2.45%
ALPHABET INC CL C 2.26%
META PLATFORMS INC CLASS A 2.06%
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Side by side

IEI iShares 3-7 Year Treasury Bond ETF SPY SPDR S&P 500 ETF Trust
Where it sits Bond ETF Stock ETF
What it is Tracks an index of 3-7 Year Treasury Bond Tracks the S&P 500
Total return, 1 year −1.1% +13.6%
Its benchmark over the same days not measured +13.7% (VOO)
Gap to its benchmark not measured −0.1 pts vs VOO
Expense ratio 0.15% 0.09%
Holdings 82 504
Net assets, as of Oct 27, 2026 $17.0bn $814.8bn

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

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About each fund
IEI

IEI tracks an index of 3-7 Year Treasury Bond. Over the year to Oct 28, 2026 it returned −1.1% with distributions reinvested. The prospectus expense ratio is 0.15% a year.

SPY

SPY tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.6% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.09% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 38.1%.

Questions people ask

Which returned more over the last year, IEI or SPY?
In the year to Oct 28, 2026, with distributions reinvested, IEI returned −1.1% and SPY +13.6%.
Which is cheaper, IEI or SPY?
SPY is cheaper, by 0.06 percentage points a year. That is about $6 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, IEI against SPY, data as of Oct 28, 2026. https://etfiq.com/compare/any/iei-vs-spy

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