Do IDRV and ION hold the same stocks?

By their latest filings, 7% 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, IDRV or ION?

IDRV has 8% of its weight in S&P 500 names and ION has 3%, so ION differs more from the index.

Which is cheaper, IDRV or ION?

IDRV charges 0.48% a year and ION charges 0.58%, so IDRV is cheaper. Fees come from each fund's prospectus.

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IDRV vs ION: which is really different?

IDRV and ION hold 7% of their weight in the same names, and ION returned +18.9% over the year. iShares Self-Driving EV and Tech ETF and ProShares S&P Global Core Battery Metals ETF.

8.1%

IDRV in the S&P 500

2.6%

ION in the S&P 500

−8.9%

IDRV total return, 1 year

+18.9%

ION total return, 1 year

IDRV · 1 year to Sep 30, 202692% of its weight is outside the S&P 500

8% of IDRV's weight is in S&P 500 companies and 92% 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?

IDRV 51.3

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, IDRV and ION hold 7% 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 29, 2026 and Sep 30, 2026.

50%

half

7% in common

Positions both hold, largest shared weight first

Holding IDRV ION

PLS GROUP LTD 3.28% 2.90%

ALBEMARLE CORP 3.51% 2.62%

LIONTOWN LTD 0.86% 2.39%

ELEVRA LITHIUM LTD 0.44% 2.27%

Only in IDRV

SAMSUNG SDI LTD 5.18%

LG ENERGY SOLUTION LTD 4.91%

RIVIAN AUTOMOTIVE INC CLASS A 4.64%

TESLA INC 4.58%

BYD H 4.28%

LG CHEM LTD 4.13%

VOLKSWAGEN NON-VOTING PREF AG 4.03%

LI AUTO CLASS A 3.98%

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%

AFRICAN RAINBOW MINERALS LTD 2.88%

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

7% 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	IDRV	ION	IDRV	ION	IDRV	ION
3 months	−13.1%	−10.4%	−15.6 pts	−12.9 pts	−15.2 pts	−12.5 pts
6 months	−14.8%	−19.6%	−31.8 pts	−36.6 pts	−41.7 pts	−46.5 pts
1 year	−8.9%	+18.9%	−24.6 pts	+3.1 pts	−32.7 pts	−4.9 pts
3 years	−6.0%	+48.5%	−91.0 pts	−36.5 pts	−116.0 pts	−61.5 pts
Since launch IDRV Apr 2019 · ION Dec 2022	+44.5%	+16.1%	−149.1 pts	−81.1 pts	−269.2 pts	−141.7 pts

IDRV 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

IDRV

iShares Self-Driving EV and Tech ETF · Holds 77 stocks in electric vehicles and batteries, 8% 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 iShares ProShares

Theme Electric vehicles and batteries Lithium and battery metals

In the S&P 500 8.1% 2.6%

Active share vs the S&P 500 98.1% 100.0%

In the Nasdaq-100 4.6% 0.0%

Holdings 77 53

Top ten, share of the fund 43.2% 33.4%

Expense ratio 0.48% 0.58%

Fee for the differing part 0.49% 0.58%

Total return, 1 year −8.9% +18.9%

vs the S&P 500 −24.6 pts +3.1 pts

vs the Nasdaq-100 −32.7 pts −4.9 pts

Below its high −35.7% −32.9%

Net assets $260m $12m

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

IDRV in plain words

By weight, 8% of IDRV's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 43% of the fund across 77 positions, as published by its issuer for Sep 29, 2026. Over the year to Sep 30, 2026 the fund returned −8.9% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 24.6 pts. It sits 35.7% below its all-time high of Nov 22, 2021.

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 IDRV and ION hold the same stocks?: By their latest filings, 7% 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, IDRV or ION?: IDRV has 8% of its weight in S&P 500 names and ION has 3%, so ION differs more from the index.
Which is cheaper, IDRV or ION?: IDRV charges 0.48% a year and ION charges 0.58%, so IDRV is cheaper. Fees come from each fund's prospectus.

Other comparisons

IDRV vs ILIT IDRV vs WATS IDRV vs BATT IDRV vs CABZ ION vs KARS ION vs LIMI ION vs BATT ION vs CABZ

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

Where these figures came from

IDRV filings on SEC EDGAR ↗IDRV prospectus with the expense ratio (SEC) ↗iShares page for IDRV ↗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, IDRV against ION, data as of Sep 30, 2026. https://etfiq.com/compare/themes/idrv-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.