Do CABZ and ION hold the same stocks?

By their latest filings, 0% 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, CABZ or ION?

CABZ has 38% of its weight in S&P 500 names and ION has 3%, so ION differs more from the index.

Which is cheaper, CABZ or ION?

CABZ charges 0.59% a year and ION charges 0.58%, so ION is cheaper. Fees come from each fund's prospectus.

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CABZ vs ION: which is really different?

CABZ and ION hold 0% of their weight in the same names. Roundhill Robotaxi, Autonomous Vehicles & Technology ETF and ProShares S&P Global Core Battery Metals ETF.

37.6%

CABZ in the S&P 500

2.6%

ION in the S&P 500

−20.2%

CABZ total return, since launch

+18.9%

ION total return, 1 year

CABZ · 6 months to Sep 30, 202662% of its weight is outside the S&P 500

38% of CABZ's weight is in S&P 500 companies and 62% is outside the index

ION · 1 year to Sep 30, 202697% of its weight is outside the S&P 500

3% of ION's weight is in S&P 500 companies and 97% is outside the index

ETFIQ Off-Index Score · ION scores higherHow much of it is not the index it is sold as an alternative to?

CABZ 20.3

ION 92

0.1, the lowest in this set92.0, the highest

A percentile among the 375 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, CABZ and ION hold 0% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 30, 2026.

50%

half

0% in common

Positions both hold, largest shared weight first

Holding CABZ ION

Only in CABZ

Tesla Inc 8.44%

Alphabet Inc 6.19%

Uber Technologies Inc 5.46%

Baidu Inc 5.25%

WeRide Inc 5.05%

Pony AI Inc 4.72%

Ouster Inc 4.55%

NVIDIA Corp 4.49%

Only in ION

PACIFIC METALS CO LTD 5.04%

IGO LTD 3.74%

PT TIMAH (PERSERO) TBK 3.55%

VALE INDONESIA TBK 3.39%

SIGMA LITHIUM CORP 3.19%

ERAMET 2.93%

TIBET MINERAL DEVELOPMENT-A 2.93%

PLS GROUP LTD 2.90%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

0% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	CABZ	ION	CABZ	ION	CABZ	ION
3 months	−17.2%	−10.4%	−19.7 pts	−12.9 pts	−19.3 pts	−12.5 pts
6 months	−3.7%	−19.6%	−20.7 pts	−36.6 pts	−30.6 pts	−46.5 pts
1 year	not published	+18.9%	not published	+3.1 pts	not published	−4.9 pts
3 years	not published	+48.5%	not published	−36.5 pts	not published	−61.5 pts
Since launch CABZ Jan 2026 · ION Dec 2022	−20.2%	+16.1%	−31.5 pts	−81.1 pts	−40.0 pts	−141.7 pts

CABZ and ION over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

CABZ

Roundhill Robotaxi, Autonomous Vehicles & Technology ETF · Holds 30 stocks in electric vehicles and batteries, 38% of its weight in S&P 500 companies

ION

ProShares S&P Global Core Battery Metals ETF · Holds 53 stocks in lithium and battery metals, 3% of its weight in S&P 500 companies

Issuer Roundhill ProShares

Theme Electric vehicles and batteries Lithium and battery metals

In the S&P 500 37.6% 2.6%

Active share vs the S&P 500 86.0% 100.0%

In the Nasdaq-100 25.2% 0.0%

Holdings 30 53

Top ten, share of the fund 52.6% 33.4%

Expense ratio 0.59% 0.58%

Fee for the differing part 0.69% 0.58%

Total return, 1 year −20.2% (since launch on Jan 14, 2026) +18.9%

vs the S&P 500 −31.5 pts +3.1 pts

vs the Nasdaq-100 −40.0 pts −4.9 pts

Below its high −24.7% −32.9%

Net assets $3m $12m

CABZ and ION on the same fields, as of Sep 30, 2026. Source: ETFIQ.

CABZ in plain words

By weight, 38% of CABZ's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 86%. The top ten holdings are 53% of the fund across 30 positions, as published by its issuer for Sep 30, 2026. Since it launched on Jan 14, 2026 the fund returned −20.2% with distributions reinvested against +11.3% for the S&P 500, so a holder was behind by 31.5 pts. It sits 24.7% below its all-time high of Jun 2, 2026.

ION in plain words

By weight, 3% of ION's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 33% of the fund across 53 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned +18.9% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 3.1 pts. It sits 32.9% below its all-time high of May 6, 2026.

Questions people ask

Do CABZ and ION hold the same stocks?: By their latest filings, 0% 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, CABZ or ION?: CABZ has 38% of its weight in S&P 500 names and ION has 3%, so ION differs more from the index.
Which is cheaper, CABZ or ION?: CABZ charges 0.59% a year and ION charges 0.58%, so ION is cheaper. Fees come from each fund's prospectus.

Other comparisons

CABZ vs ILIT CABZ vs LIT CABZ vs LITP CABZ vs WATS ION vs KARS ION vs LIMI ION vs LIT ION vs LITP

CABZ on its own →ION on its own →How every figure is computed →Standards and sources →

Where these figures came from

CABZ filings on SEC EDGAR ↗CABZ prospectus with the expense ratio (SEC) ↗Roundhill page for CABZ ↗ION filings on SEC EDGAR ↗ION prospectus with the expense ratio (SEC) ↗ProShares page for ION ↗

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

Cite this page

ETFIQ, CABZ against ION, data as of Sep 30, 2026. https://etfiq.com/compare/themes/cabz-vs-ion

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.