Do LUMA and ROBT hold the same stocks?

By their latest filings, 1% 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, LUMA or ROBT?

LUMA has 19% of its weight in S&P 500 names and ROBT has 34%, so LUMA differs more from the index.

Which is cheaper, LUMA or ROBT?

LUMA charges 1.00% a year and ROBT charges 0.65%, so ROBT is cheaper. Fees come from each fund's prospectus.

Data as of Nov 12, 2026.

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LUMA vs ROBT: Holdings Overlap & Returns

Return, fees and overlap, side by side.

Return gap

+18.6 pts

3 months to Nov 12, 2026: ROBT ahead, total return

Fee gap

0.35 pts

A year: LUMA 1.00%, ROBT 0.65%, per filings dated Jan 28, 2026 and Jul 8, 2026

Overlap

Share of the two books held in common, holdings dated Nov 11, 2026

Net flow

–

Needs daily flows for both funds

Pair scorecard

ROBT costs 0.35 points a year less; ROBT is far larger, $716m against $10m.

Points (pts) are percentage points.

LUMA vs ROBT: Holdings Overlap & Returns
Measure	LUMA	ROBT
Return
Measure	LUMA	ROBT
Total return, 1 year	not published	+1.4%
Drawdown
Measure	LUMA	ROBT
Below its all-time high	33.8%, high on Oct 6, 2026	10.8%, high on Oct 5, 2026
Against its benchmark
Measure	LUMA	ROBT
What it tracks	AI infrastructure and chips	Artificial intelligence
Against the S&P 500, 1 year		behind by 10.7 pts
Its benchmark, total return, 1 year		+12.1%
Against its benchmark, 1 year		behind by 10.7 pts
Cost and size
Measure	LUMA	ROBT
Expense ratio	1.00%	0.65%
Net assets, as of Nov 11, 2026	$10m	$716m
Holdings
Measure	LUMA	ROBT
Holdings in common	1%

Method

Key numbers

19.4%

LUMA in the S&P 500

33.5%

ROBT in the S&P 500

−23.5%

LUMA total return, since launch, Jul 15, 2026

+1.4%

ROBT total return, 1 year

LUMA · 3 months to Nov 12, 2026 81% of its weight is outside the S&P 500

19% of LUMA's weight is in S&P 500 companies and 81% is outside the index. Holdings as of Nov 11, 2026.

ROBT · 1 year to Nov 12, 2026 67% of its weight is outside the S&P 500

34% of ROBT's weight is in S&P 500 companies and 67% is outside the index. Holdings as of Nov 11, 2026.

What they share

By the books each fund has filed, LUMA and ROBT hold 1% of their money in the same securities at the same weight. Holdings dated Nov 11, 2026.

50%

0 half 100%

half

1% in common

Positions both hold · largest shared weight first LUMA ROBT

MARVELL TECHNOLOGY INC 3.84% 0.62%

Only in one fund ↓

Only in LUMA

AYAR LABS INC 9.61%

COHERENT CORP 5.72%

MACOM TECHNOLOGY SOLUTIONS H 5.72%

AIXTRON SE 5.65%

LAND MARK OPTOELECTRONICS 5.31%

LUMENTUM HOLDINGS INC 4.74%

EOPTOLINK TECHNOLOGY INC L-A 4.71%

TOWER SEMICONDUCTOR LTD 4.61%

Only in ROBT

Ocado Group Plc 2.42%

Tempus AI, Inc. (Class A) 2.10%

Appian Corporation 2.08%

Intuitive Surgical, Inc. 1.99%

C3.ai, Inc. (Class A) 1.88%

Meta Platforms, Inc. (Class A) 1.83%

SentinelOne, Inc. (Class A) 1.79%

Dassault Systemes SE 1.77%

Check overlap with more funds →

Window by window

Window by window: LUMA vs ROBT: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	LUMA	ROBT	LUMA	ROBT
3 months	−29.0%	−10.4%	−20.7 pts vs EEM	−8.0 pts vs VOO
6 months	–	+0.1%	–	−1.7 pts vs VOO
1 year	–	+1.4%	–	−10.7 pts vs VOO
3 years	–	+40.1%	–	−38.7 pts vs VOO
Since launchNot the same days: LUMA Jul 2026 · ROBT Feb 2018	−23.5%	+85.8%	−16.7 pts vs EEM	−135.7 pts vs VOO

– means no data for this window. Open this comparison in the app →

Side by side

LUMA KraneShares Photonic and Optical ETF · Holds 27 stocks in aI infrastructure and chips, 19% of its weight in S&P 500 companies ROBT First Trust Nasdaq Artificial Intelligence and Robotics ETF · Holds 111 stocks in artificial intelligence, 34% of its weight in S&P 500 companies

Issuer KraneShares First Trust

Theme AI infrastructure and chips Artificial intelligence

In the S&P 500 19.4% 33.5%

Active share vs the S&P 500 99.0% 84.7%

In the Nasdaq-100 8.6% 23.9%

Holdings 27 111

Top ten, share of the fund 54.7% 19.4%

Expense ratio 1.00% 0.65%

Fee for the differing part 1.01% 0.77%

Total return, 1 year −23.5% (since launch, Jul 15, 2026) +1.4%

vs its benchmark −16.7 pts vs EEM (since launch, Jul 15, 2026) −10.7 pts vs VOO

Below its high −33.8% −10.8%

Net assets, as of Nov 11, 2026 $10m $716m

As of Nov 12, 2026. Source: ETFIQ.

1% of the two portfolios are the same securities at the same weight.

Alert

About each fund

LUMA

By weight, 19% of LUMA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 55% of the fund across 27 positions, as published by its issuer for Nov 11, 2026. Since it first traded on Jul 15, 2026 the fund returned −23.5% with distributions reinvested. It sits 33.8% below its all-time high of Oct 6, 2026.

ROBT

By weight, 34% of ROBT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 85%. The top ten holdings are 19% of the fund across 111 positions, as published by its issuer for Nov 11, 2026. Over the year to Nov 12, 2026 the fund returned +1.4% with distributions reinvested against +12.1% for its benchmark, the S&P 500 Index, so a holder was behind by 10.7 pts. It sits 10.8% below its all-time high of Oct 5, 2026.

Questions people ask

Do LUMA and ROBT hold the same stocks?: By their latest filings, 1% 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, LUMA or ROBT?: LUMA has 19% of its weight in S&P 500 names and ROBT has 34%, so LUMA differs more from the index.
Which is cheaper, LUMA or ROBT?: LUMA charges 1.00% a year and ROBT charges 0.65%, so ROBT is cheaper. Fees come from each fund's prospectus.

Other comparisons

LUMA vs WTAI LUMA vs AIS LUMA vs ALAI LUMA vs IGPT ROBT vs AIHY ROBT vs CGPT ROBT vs AINF ROBT vs AIPO

Where to next

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

Sources and dates

LUMA filings on SEC EDGAR ↗

LUMA prospectus with the expense ratio (SEC) ↗

KraneShares page for LUMA ↗

ROBT filings on SEC EDGAR ↗

ROBT prospectus with the expense ratio (SEC) ↗

First Trust page for ROBT ↗

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, LUMA against ROBT, data as of Nov 12, 2026. https://etfiq.com/compare/themes/luma-vs-robt

Open data →

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

LUMA and ROBT hold 1% of their weight in the same names.

LUMA on its own →ROBT on its own →

Growth of 100

LUMA and ROBT

Total return, distributions reinvested, 3 months.

LUMA −29.0%ROBT −10.4%

Aug 13, 2026Nov 12, 2026

LUMA −29.0%, ROBT −10.4%: ROBT +18.6 pts ahead, 3 months, Aug 13, 2026 to Nov 12, 2026.