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

In the year to Sep 21, 2026, with distributions reinvested, BITO returned −33.0% and IBIT returned −31.1%, so IBIT returned more.

Which is cheaper, BITO or IBIT?

BITO charges 0.95% a year and IBIT charges 0.25%, so IBIT is cheaper. Fees come from each fund's prospectus.

Data as of Sep 21, 2026.

ETFIQetfiq.com · independent ETF data

BITO vs IBIT: how they differ

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

ProShares Bitcoin ETF and iShares Bitcoin Trust ETF.

What they hold in common

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

Only in each
Only in BITO	Only in IBIT
CME BITCOIN FUT DIGITAL ASSETS 25/SEP/2026 BTCU6 CURNCY 60.73%	BITCOIN 100.00%
CME BITCOIN FUT DIGITAL ASSETS 30/OCT/2026 BTCV6 CURNCY 20.18%	USD CASH 0.00%
COINBASE BIT FUT DIGITAL ASSETS 25/SEP/2026 BTIU6 CURNCY 14.71%
S&P CME BITCOIN FUTURES DAILY ROLL INDEX SWAP SOCIETE GENERALE 4.37%

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.

BITO and IBIT on the fields both publish, as of Sep 21, 2026. Source: ETFIQ.
	BITO ProShares Bitcoin ETF	IBIT iShares Bitcoin Trust ETF
Where it sits	Core fund	Core fund
Issuer	ProShares	iShares
What it is	Actively managed	Holds bitcoin
Total return, 1 year	−33.0%	−31.1%
S&P 500 over the same days	+16.6%	+16.6%
Gap to the S&P 500	−49.6 pts	−47.6 pts
Expense ratio	0.95%	0.25%
Holdings	4	2
Net assets	$1.7bn	$63.7bn

BITO in plain words

BITO is actively managed and tracks no index. Over the year to Sep 18, 2026 it returned −33.0% with distributions reinvested, against +16.6% for the S&P 500 and +21.8% for the Nasdaq-100. The prospectus expense ratio is 0.95% a year. It sat 37.1% below its high of Oct 6, 2025 on Sep 18, 2026.

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.

Questions people ask

Which returned more over the last year, BITO or IBIT?: In the year to Sep 21, 2026, with distributions reinvested, BITO returned −33.0% and IBIT returned −31.1%, so IBIT returned more.
Which is cheaper, BITO or IBIT?: BITO charges 0.95% a year and IBIT charges 0.25%, 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.

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

A comparison is not a recommendation. Standards and sources