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Data as of . Every figure is the themes desk's own, on published data.

ARTY vs QTUM

iShares Future AI & Tech ETF and Defiance Quantum ETF, side by side on the themes desk.

18% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, ARTY and QTUM hold 18% of their money in the same securities at the same weight.

Positions ARTY and QTUM both hold, largest shared weight first
HoldingARTYQTUM
Astera Labs, Inc1.59%1.56%
MICRON TECHNOLOGY, INC.5.39%1.39%
ADVANCED MICRO DEVICES, INC.5.24%1.37%
MARVELL TECHNOLOGY, INC.4.54%1.26%
ONTO INNOVATION INC.1.14%1.50%
SNOWFLAKE INC.1.59%1.14%
COREWEAVE, INC.4.27%1.11%
INTERNATIONAL BUSINESS MACHINES CORPORAT2.55%1.10%
BROADCOM INC.4.25%1.09%
NVIDIA CORPORATION4.37%1.07%
MICROSOFT CORPORATION2.38%1.00%
PALANTIR TECHNOLOGIES INC.2.18%0.96%
Largest positions each one holds and the other does not
Only in ARTYOnly in QTUM
Taiwan Semiconductor Manufacturing Compa 4.84%Arqit Quantum Inc 2.43%
SK hynix Inc. 3.63%Horizon Quantum Holdings LTD 2.40%
SUPER MICRO COMPUTER, INC. 3.19%Quantinuum Inc 1.58%
Global Unichip Corp 3.14%Applied Materials Inc 1.56%
NAVER Corporation 3.00%KLA Corp 1.51%
WESTERN DIGITAL CORPORATION 2.92%MKS Inc 1.51%
SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMIT 2.80%Teradyne Inc 1.49%
Alchip Technologies Ltd 2.53%Lam Research Corp 1.44%

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 as filed for Jun 30, 2026.

Performance, window by window

ARTY and QTUM over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
ARTYQTUMARTYQTUMARTYQTUM
3 months+7.9%−3.0%+3.2 pts−7.7 pts+5.8 pts−5.1 pts
6 months+58.8%+35.5%+43.6 pts+20.3 pts+38.6 pts+15.3 pts
1 year+79.1%+58.6%+59.1 pts+38.7 pts+53.5 pts+33.0 pts
3 years+137.7%+196.2%+59.7 pts+118.3 pts+44.2 pts+102.8 pts
Since launch+243.1%+538.2%+21.8 pts+337.0 pts−99.4 pts+225.3 pts
Open the live comparison on ETFIQ
ARTY and QTUM on the themes desk fields, as of Sep 4, 2026. Source: ETFIQ.
ARTY
iShares Future AI & Tech ETF
QTUM
Defiance Quantum ETF
IssueriSharesDefiance
ThemeArtificial intelligenceQuantum computing
In the S&P 50049.7%35.6%
Active share vs the S&P 50084.1%83.5%
In the Nasdaq-10036.5%27.8%
Holdings6186
Top ten, share of the fund42.9%17.0%
Expense rationot published0.40%
Fee for the differing partnot published0.48%
Total return, 1 year+79.1%+58.6%
vs the S&P 500+59.1 pts+38.7 pts
vs the Nasdaq-100+53.5 pts+33.0 pts
Below its high−5.6%−12.2%

ARTY in plain words

By weight, 50% of ARTY's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 43% of the fund across 61 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +79.1% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 59.1 pts. It sits 5.6% below its all-time high of Jun 2, 2026.

QTUM in plain words

By weight, 36% of QTUM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 17% of the fund across 86 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +58.6% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 38.7 pts. It sits 12.2% below its all-time high of Jun 2, 2026.

Questions people ask

Do ARTY and QTUM hold the same stocks?
By their latest filings, 18% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, ARTY or QTUM?
ARTY has 50% of its weight in S&P 500 names and QTUM has 36%, so ARTY differs more from the index.

Other comparisons

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.

ARTY against QTUM, ETFIQ, data as of Sep 4, 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, ARTY against QTUM, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARTY-QTUM.html Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources