Which returned more over the last year, IEI or XBI?

In the year to Sep 13, 2026, with distributions reinvested, IEI returned −1.0% and XBI returned +64.0%, so XBI returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IEI or XBI?

IEI charges 0.15% a year and XBI charges 0.35%, so IEI is cheaper. Fees come from each fund's prospectus.

Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IEI vs XBI: how they differ

IEI and XBI hold 0% of their weight in the same names, and XBI returned more over the year.

iShares 3-7 Year Treasury Bond ETF and State Street(R) SPDR(R) S&P(R) Biotech ETF.

What they hold in common

By the books each fund has filed, IEI and XBI hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in IEI	Only in XBI
US TREASURY N/B 1.84%	MODERNA INC 2.87%
TREASURY NOTE (OLD) 0.98%	TWIST BIOSCIENCE CORP 1.81%
BLK CSH FND TREASURY SL AGENCY 0.49%	HALOZYME THERAPEUTICS INC 1.47%
TREASURY NOTE (2OLD) 0.37%	NATERA INC 1.46%
TREASURY NOTE 0.30%	KYMERA THERAPEUTICS INC 1.45%
TREASURY NOTE (OTR) 0.28%	TRAVERE THERAPEUTICS INC 1.40%
	ROIVANT SCIENCES LTD 1.39%
	ORUKA THERAPEUTICS INC 1.38%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 10, 2026.

IEI and XBI on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	IEI iShares 3-7 Year Treasury Bond ETF	XBI State Street(R) SPDR(R) S&P(R) Biotech ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	State Street
What it is	3-7 Year Treasury Bond	SPDR S&P Biotech
Total return, 1 year	−1.0%	+64.0%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−18.5 pts	+46.5 pts
Expense ratio	0.15%	0.35%
Holdings	84	154

IEI in plain words

IEI is a bond fund tracking the 3-7 Year Treasury Bond. Over the year to Sep 11, 2026 it returned −1.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. It sat 3.0% below its high of Feb 27, 2026 on Sep 11, 2026.

XBI in plain words

XBI is an index equity fund tracking the SPDR S&P Biotech. Over the year to Sep 11, 2026 it returned +64.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings filed for Sep 10, 2026, 8% of the fund by weight is stocks the S&P 500 also holds, across 154 positions, with the top ten at 15.9%. It sat 9.6% below its high of Feb 8, 2021 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IEI or XBI?: In the year to Sep 13, 2026, with distributions reinvested, IEI returned −1.0% and XBI returned +64.0%, so XBI returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IEI or XBI?: IEI charges 0.15% a year and XBI charges 0.35%, so IEI is cheaper. Fees come from each fund's prospectus.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

IEI against XBI, ETFIQ, data as of Sep 13, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IEI against XBI, data as of Sep 13, 2026. https://etfiq.com/compare/any/iei-vs-xbi Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources