Do AINF and BAI hold the same stocks?

By their latest filings, 27% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, AINF or BAI?

AINF has 35% of its weight in S&P 500 names and BAI has 55%, so AINF differs more from the index.

Which is cheaper, AINF or BAI?

AINF charges 0.65% a year and BAI charges 0.55%, so BAI is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

AINF vs BAI: Holdings Overlap & Returns

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AINF and BAI hold 27% of their weight in the same names.

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Net assets: $443,594 on Oct 27, 2026 for Defiance Inference AI Chip ETF, and $13.6bn on Oct 28, 2026 for iShares A.I. Innovation and Tech Active ETF.

AINF on its own →BAI on its own →

At a glance

35.3%

AINF in the S&P 500

55.3%

BAI in the S&P 500

−3.9%

AINF total return, since launch, Aug 18, 2026

+19.6%

BAI total return, 1 year

AINF · since launch to Oct 28, 2026 65% of its weight is outside the S&P 500

35% of AINF's weight is in S&P 500 companies and 65% is outside the index. Holdings as of Oct 28, 2026.

BAI · 1 year to Oct 28, 2026 45% of its weight is outside the S&P 500

55% of BAI's weight is in S&P 500 companies and 45% is outside the index. Holdings as of Oct 27, 2026.

Pair scorecard

BAI costs 0.10 points a year less.

Points (pts) are percentage points.

AINF vs BAI: Holdings Overlap & Returns
Measure	AINF	BAI
Return
Measure	AINF	BAI
Total return, 1 year	not published	+19.6%
Drawdown
Measure	AINF	BAI
Below its all-time high	13.7%, high on Oct 6, 2026	19.6%, high on Jun 22, 2026
Against its benchmark
Measure	AINF	BAI
What it tracks	AI infrastructure and chips	Artificial intelligence
Its benchmark, total return, 1 year		+47.8%
Against its benchmark, 1 year		behind by 28.2 pts
Cost and size
Measure	AINF	BAI
Expense ratio	0.65%	0.55%
Net assets, as of Oct 27, 2026	$443,594	$13.2bn
Holdings
Measure	AINF	BAI
Holdings in common	27%
Top ten holdings, share of the fund	69%	42%

Holdings in common uses holdings dated Oct 27, 2026 and Oct 28, 2026. Method

What they share

27%

By the books each fund has filed, AINF and BAI hold 27% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026 and Oct 28, 2026.

50%

0 half 100%

half

27% in common

Positions both hold · largest shared weight first AINF BAI

Nvidia Corp 10.13% 5.61%

Advanced Micro Devices Inc 9.87% 5.54%

Taiwan Semiconductor Manufacturing Co Ltd 11.15% 5.00%

Broadcom Inc 10.69% 4.50%

Intel Corp 4.57% 2.77%

Global Unichip Corp 5.18% 1.62%

Coreweave Inc 3.29% 1.28%

Lattice Semiconductor Corp 3.90% 1.01%

Only in one fund ↓

Only in AINF

Advantest Corp 4.78%

Winbond Electronics Corp 4.43%

Mediatek Inc 4.31%

Arm Holdings Plc 4.28%

Nebius Group Nv 3.71%

Advantech Co Ltd 2.84%

Alchip Technologies Ltd 2.61%

Ceva Inc 1.64%

Only in BAI

MICRON TECHNOLOGY 6.21%

LAM RESEARCH 3.43%

SPACE EXPLORATION TECHNOLOGIES COR 3.40%

SNOWFLAKE 3.21%

MARVELL TECHNOLOGY 2.79%

LUMENTUM HOLDINGS 2.75%

CROWDSTRIKE HOLDINGS CLASS A 2.49%

MICROSOFT 2.40%

Check overlap with more funds →

Window by window

Window by window: AINF vs BAI: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	AINF	BAI	AINF	BAI
3 months	–	+16.3%	–	−5.1 pts vs ARTY
6 months	–	+5.1%	–	−17.8 pts vs ARTY
1 year	–	+19.6%	–	−28.2 pts vs ARTY
Since launchNot the same days: AINF Aug 2026 · BAI Oct 2024	−3.9%	+77.2%	not measured	−33.5 pts vs ARTY

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Side by side

AINF Defiance Inference AI Chip ETF · Holds 26 stocks in aI infrastructure and chips, 35% of its weight in S&P 500 companies BAI iShares A.I. Innovation and Tech Active ETF · Holds 49 stocks in artificial intelligence, 55% of its weight in S&P 500 companies

Issuer Defiance iShares

Theme AI infrastructure and chips Artificial intelligence

In the S&P 500 35.3% 55.3%

Active share vs the S&P 500 87.2% 75.9%

In the Nasdaq-100 39.5% 50.1%

Holdings 26 49

Top ten, share of the fund 69.4% 42.5%

Expense ratio 0.65% 0.55%

Fee for the differing part 0.75% 0.72%

Total return, 1 year −3.9% (since launch, Aug 18, 2026) +19.6%

vs its benchmark not measured −28.2 pts vs ARTY

Below its high −13.7% −19.6%

Net assets, AINF as of Oct 27, 2026 and BAI as of Oct 28, 2026 $443,594 $13.6bn

As of Oct 28, 2026. Source: ETFIQ.

27% of the two portfolios are the same securities at the same weight.

Alert

About each fund

AINF

By weight, 35% of AINF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 87%. The top ten holdings are 69% of the fund across 26 positions, as published by its issuer for Oct 28, 2026. Since it first traded on Aug 18, 2026 the fund returned −3.9% with distributions reinvested. It sits 13.7% below its all-time high of Oct 6, 2026.

BAI

By weight, 55% of BAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 76%. The top ten holdings are 42% of the fund across 49 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +19.6% with distributions reinvested against +47.8% for its benchmark, the Morningstar Global Artificial Intelligence Select Index, so a holder was behind by 28.2 pts. It sits 19.6% below its all-time high of Jun 22, 2026.

Questions people ask

Do AINF and BAI hold the same stocks?: By their latest filings, 27% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, AINF or BAI?: AINF has 35% of its weight in S&P 500 names and BAI has 55%, so AINF differs more from the index.
Which is cheaper, AINF or BAI?: AINF charges 0.65% a year and BAI charges 0.55%, so BAI is cheaper. Fees come from each fund's prospectus.

Other comparisons

AINF vs ARTY AINF vs AIQ AINF vs IGPT AINF vs AIS BAI vs AIHY BAI vs CGPT BAI vs COOL BAI vs IVEP

Where to next

All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →AINF on its own →BAI on its own →AINF dividend history →AINF holdings →BAI dividend history →BAI holdings →Method →Standards and sources →

Sources and dates

AINF filings on SEC EDGAR ↗

AINF prospectus with the expense ratio (SEC) ↗

Defiance page for AINF ↗

BAI filings on SEC EDGAR ↗

BAI prospectus with the expense ratio (SEC) ↗

iShares page for BAI ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, AINF against BAI, data as of Oct 28, 2026. https://etfiq.com/compare/themes/ainf-vs-bai

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.