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

ETFIQetfiq.com · independent ETF data

BITO vs IYW: how they differ

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

ProShares Bitcoin ETF and iShares U.S. Technology ETF.

What they hold in common

By the books each fund has filed, BITO and IYW 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 BITOOnly in IYW
CME BITCOIN FUT DIGITAL ASSETS 25/SEP/20 81.49%NVIDIA 14.10%
COINBASE BIT FUT DIGITAL ASSETS 25/SEP/2 14.27%APPLE 13.20%
S&P CME BITCOIN FUTURES DAILY ROLL INDEX 4.24%MICROSOFT 10.75%
ALPHABET CLASS A 5.48%
ALPHABET CLASS C 4.44%
META PLATFORMS CLASS A 4.17%
BROADCOM INC 4.07%
MICRON TECHNOLOGY 3.35%

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 and Sep 11, 2026.

BITO and IYW on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
BITO
ProShares Bitcoin ETF
IYW
iShares U.S. Technology ETF
Where it sitsCore index fundCore index fund
IssuerProSharesiShares
What it isBitcoinU.S. Technology
Total return, 1 year−34.8%+34.9%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−52.3 pts+17.4 pts
Expense ratio0.95%0.37%
Holdings3151

BITO in plain words

BITO is a digital asset fund tracking the Bitcoin. Over the year to Sep 11, 2026 it returned −34.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.95% a year. It sat 40.3% below its high of Oct 6, 2025 on Sep 11, 2026.

IYW in plain words

IYW is an index equity fund tracking the U.S. Technology. Over the year to Sep 11, 2026 it returned +34.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Sep 10, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 151 positions, with the top ten at 64.9%.

Questions people ask

Which returned more over the last year, BITO or IYW?
In the year to Sep 13, 2026, with distributions reinvested, BITO returned −34.8% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
Which is cheaper, BITO or IYW?
BITO charges 0.95% a year and IYW charges 0.37%, so IYW 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 IYW, 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, BITO against IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/bito-vs-iyw Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources