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IOO · iShares Global 100 ETF

Equity fundTracks an index0.40% fee$9.2bnSince Jan 4, 2010Fund page at the issuer ↗SEC filings ↗
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IOO tracks an index and returned +20.5% over the past year.

+20.5%
Total return, 1 year
0.40%
Expense ratio
118
Holdings
−0.9%
Below its high
WindowTotal returnS&P 500Gap to S&P 500Gap to Nasdaq-100
3M Jul 2 – Oct 2, 2026+5.6%+3.6%+2.0 pts+0.3 pts
6M Apr 2 – Oct 2, 2026+19.4%+17.9%+1.4 pts−9.1 pts
1Y Oct 2, 2025 – Oct 2, 2026+20.5%+16.2%+4.3 pts−3.8 pts
3Y Oct 3, 2023 – Oct 2, 2026+106.4%+89.3%+17.1 pts−8.3 pts
Since listing Jan 4, 2010 – Oct 2, 2026+574.6%+813.0%−238.4 pts−1187.3 pts

IOO over each window to Oct 2, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.

IOO top ten by weight, 59.6% of its 118 equity positions, from the holdings published by its issuer for Oct 1, 2026. An index fund holds what the index holds, so this is the index. Source: the issuer’s own daily file.

NVIDIA NVDA 13.54%
APPLE AAPL 11.69%
MICROSOFT MSFT 9.22%
AMAZON.COM INC AMZN 5.90%
ALPHABET CLASS A GOOGL 4.81%
BROADCOM INC AVGO 3.96%
ALPHABET CLASS C GOOG 3.86%
SAMSUNG ELECTRONICS LTD not filed 2.24%
ELI LILLY LLY 2.23%
JPMORGAN CHASE & CO JPM 2.15%
Holdings, the issuer’s own daily file ↗
Head to head
Funds near this one
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In plain words

IOO tracks an index. Over the year to Oct 2, 2026 it returned +20.5% with distributions reinvested, against +16.2% for the S&P 500 and +24.3% for the Nasdaq-100. The prospectus expense ratio is 0.40% a year. By its holdings published by its issuer for Oct 1, 2026, 79% of the fund by weight is stocks the S&P 500 also holds, across 118 positions, with the top ten at 59.6%.
What it tracksnot read by ETFIQ
Fund typeEquity fund
Category (ETFIQ)Stocks · U.S. large-cap blend
Expense ratio (485BPOS XBRL, Jul 27, 2026)0.40%
Price$144.84
Listed sinceJan 4, 2010
Net assets (the issuer’s own daily fund list, as of Oct 2, 2026)$9.2bn
Below its high (ETFIQ)−0.9%
Holdings118
Top ten weight59.6%
Holdings published for (the issuer’s daily file)Oct 1, 2026
Already in the S&P 500, by weight (ETFIQ)79.3%
Active share vs the S&P 500 (ETFIQ)51.6%
Already in the Nasdaq-100, by weight (ETFIQ)58.5%
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

Questions people ask about IOO

How has IOO performed?
Over the year to Oct 2, 2026, IOO returned +20.5% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +106.4%.
What does IOO cost?
The prospectus expense ratio is 0.40% a year.
What does IOO hold?
118 positions as published by its issuer for Oct 1, 2026, with the top ten at 59.6% of the fund. 79% of its weight is in stocks the S&P 500 also holds.
How far is IOO below its high?
0.9% below its high of Aug 7, 2026, measured on the reinvested series to Oct 2, 2026.
Sources and dates
Prices, IOO and S&P 500Tiingo end-of-day · Oct 2, 2026
Fee, 0.40%Prospectus filing with the expense ratio (SEC) ↗
Net assets, $9.2bnThe issuer’s own daily fund list · Oct 2, 2026
HoldingsHoldings, the issuer’s own daily file · Oct 1, 2026 ↗
IssueriShares page for IOO ↗
All fund filingsFund filings on SEC EDGAR ↗
SourceiShares’s own site ↗

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

ETFIQ covers core, leveraged and inverse, buffer, thematic, option-income, alternatives and spot crypto ETFs. This fund is here because the other funds here are measured against it and portfolios hold it. ETFIQ is an independent publisher and makes no recommendations. Standards and sources

How these figures are computed →Standards and sources →Open data →
Cite this page

ETFIQ, IOO, core fund, data as of Oct 2, 2026. https://etfiq.com/funds/ioo

Free to use with attribution; the underlying files are at Open data.

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