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

In the year to Sep 21, 2026, with distributions reinvested, IBIT returned −31.1% and XBI returned +62.8%, so XBI returned more.

Which is cheaper, IBIT or XBI?

IBIT charges 0.25% a year and XBI charges 0.35%, so IBIT is cheaper. Fees come from each fund's prospectus.

Data as of Sep 21, 2026.

ETFIQetfiq.com · independent ETF data

IBIT vs XBI: how they differ

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

iShares Bitcoin Trust ETF and State Street SPDR S&P Biotech ETF.

What they hold in common

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

Only in each
Only in IBIT	Only in XBI
BITCOIN 100.00%	TWIST BIOSCIENCE CORP 1.92%
USD CASH 0.00%	MODERNA INC 1.64%
	NATERA INC 1.61%
	ABBVIE INC 1.51%
	HALOZYME THERAPEUTICS INC 1.51%
	TG THERAPEUTICS INC 1.50%
	CRISPR THERAPEUTICS AG 1.50%
	ORUKA THERAPEUTICS INC 1.49%

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 18, 2026.

IBIT and XBI on the fields both publish, as of Sep 21, 2026. Source: ETFIQ.
	IBIT iShares Bitcoin Trust ETF	XBI State Street SPDR S&P Biotech ETF
Where it sits	Core fund	Core fund
Issuer	iShares	State Street
What it is	Holds bitcoin	Tracks the S&P Biotech
Total return, 1 year	−31.1%	+62.8%
S&P 500 over the same days	+16.6%	+16.6%
Gap to the S&P 500	−47.6 pts	+46.3 pts
Expense ratio	0.25%	0.35%
Holdings	2	167
Net assets	$63.7bn	$10.3bn

IBIT in plain words

IBIT holds bitcoin. Over the year to Sep 18, 2026 it returned −31.1% with distributions reinvested, against +16.6% for the S&P 500 and +21.8% for the Nasdaq-100. The prospectus expense ratio is 0.25% a year. It sat 35.5% below its high of Oct 6, 2025 on Sep 18, 2026.

XBI in plain words

XBI tracks the S&P Biotech. Over the year to Sep 18, 2026 it returned +62.8% with distributions reinvested, against +16.6% for the S&P 500 and +21.8% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings published by its issuer for Sep 18, 2026, 8% of the fund by weight is stocks the S&P 500 also holds, across 167 positions, with the top ten at 15.6%. It sat 9.3% below its high of Feb 8, 2021 on Sep 18, 2026.

Questions people ask

Which returned more over the last year, IBIT or XBI?: In the year to Sep 21, 2026, with distributions reinvested, IBIT returned −31.1% and XBI returned +62.8%, so XBI returned more.
Which is cheaper, IBIT or XBI?: IBIT charges 0.25% a year and XBI charges 0.35%, so IBIT 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.

IBIT against XBI, ETFIQ, data as of Sep 21, 2026. Every figure is calculated from a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IBIT against XBI, data as of Sep 21, 2026. https://etfiq.com/compare/any/ibit-vs-xbi Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources