Do ION and KARS hold the same stocks?

By their latest filings, 9% 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, ION or KARS?

ION has 3% of its weight in S&P 500 names and KARS has 6%, so ION differs more from the index.

Which is cheaper, ION or KARS?

ION charges 0.58% a year and KARS charges 0.69%, so ION is cheaper. Fees come from each fund's prospectus.

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ION vs KARS: which is really different?

ION and KARS hold 9% of their weight in the same names, and ION returned +18.9% over the year. ProShares S&P Global Core Battery Metals ETF and KraneShares Electric Vehicles and Future Mobility Index ETF.

2.6%

ION in the S&P 500

6.5%

KARS in the S&P 500

+18.9%

ION total return, 1 year

−8.5%

KARS total return, 1 year

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

KARS · 1 year to Sep 30, 202694% of its weight is outside the S&P 500

7% of KARS's weight is in S&P 500 companies and 94% 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?

ION 92

KARS 51.3

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, ION and KARS hold 9% 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

9% in common

Positions both hold, largest shared weight first

Holding ION KARS

PLS GROUP LTD 2.90% 2.22%

ALBEMARLE CORP 2.62% 2.15%

IGO LTD 3.74% 0.98%

MINERAL RESOURCES LTD 2.51% 0.88%

ZHEJIANG HUAYOU COBALT CO -A 1.24% 0.79%

TIANQI LITHIUM CORP-A 2.35% 0.70%

CONTEMPORARY AMPEREX TECHN-A 0.65% 3.49%

ANTAM PERSERO TBK PT 2.71% 0.40%

CHENGXIN LITHIUM GROUP CO-A 1.72% 0.27%

YOUNGY CO LTD-A 2.20% 0.17%

Only in ION

PACIFIC METALS CO LTD 5.04%

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%

QUIMICA Y MINERA CHIL-SP ADR 2.88%

Only in KARS

Panasonic Holdings Corporation 4.95%

SAMSUNG SDI CO LTD 4.91%

STMICROELECTRONICS NV 4.83%

TESLA INC 4.35%

BYD CO LTD -A 4.22%

XIAOMI CORP-CLASS B 4.21%

BAYERISCHE MOTOREN WERKE AG 4.07%

RIVIAN AUTOMOTIVE INC-A 2.59%

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

9% 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	ION	KARS	ION	KARS	ION	KARS
3 months	−10.4%	−12.4%	−12.9 pts	−14.9 pts	−12.5 pts	−14.5 pts
6 months	−19.6%	−13.8%	−36.6 pts	−30.8 pts	−46.5 pts	−40.7 pts
1 year	+18.9%	−8.5%	+3.1 pts	−24.3 pts	−4.9 pts	−32.3 pts
3 years	+48.5%	+2.6%	−36.5 pts	−82.3 pts	−61.5 pts	−107.3 pts
Since launch ION Dec 2022 · KARS Jan 2018	+16.1%	+25.2%	−81.1 pts	−185.6 pts	−141.7 pts	−345.6 pts

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

On the same fields

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

KARS

KraneShares Electric Vehicles and Future Mobility Index ETF · Holds 86 stocks in electric vehicles and batteries, 6% of its weight in S&P 500 companies

Issuer ProShares KraneShares

Theme Lithium and battery metals Electric vehicles and batteries

In the S&P 500 2.6% 6.5%

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

In the Nasdaq-100 0.0% 4.4%

Holdings 53 86

Top ten, share of the fund 33.4% 40.2%

Expense ratio 0.58% 0.69%

Fee for the differing part 0.58% 0.70%

Total return, 1 year +18.9% −8.5%

vs the S&P 500 +3.1 pts −24.3 pts

vs the Nasdaq-100 −4.9 pts −32.3 pts

Below its high −32.9% −44.6%

Net assets $12m $73m

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

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.

KARS in plain words

By weight, 6% of KARS'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 40% of the fund across 86 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned −8.5% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 24.2 pts. It sits 44.6% below its all-time high of Nov 8, 2021.

Questions people ask

Do ION and KARS hold the same stocks?: By their latest filings, 9% 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, ION or KARS?: ION has 3% of its weight in S&P 500 names and KARS has 6%, so ION differs more from the index.
Which is cheaper, ION or KARS?: ION charges 0.58% a year and KARS charges 0.69%, so ION is cheaper. Fees come from each fund's prospectus.

Other comparisons

ION vs BATT ION vs CABZ ION vs DRIV ION vs EVMT KARS vs CABZ KARS vs DRIV KARS vs EVMT KARS vs LIMI

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

Where these figures came from

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

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

Open data

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