Do ARKK and XAR hold the same stocks?

By their latest filings, 4% 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, ARKK or XAR?

ARKK has 36% of its weight in S&P 500 names and XAR has 40%, so XAR differs more from the index.

Which is cheaper, ARKK or XAR?

ARKK charges 0.75% a year and XAR charges 0.35%, so XAR is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

ARKK vs XAR: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, ARKK returned −3.5% to XAR's −10.0%; 4% of their weight is in the same names.

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Net assets on Oct 27, 2026: $6.6bn for ARK Innovation ETF and $5.0bn for State Street SPDR S&P Aerospace & Defense ETF.

ARKK on its own →XAR on its own →

At a glance

36.0%

ARKK in the S&P 500

39.7%

XAR in the S&P 500

−3.5%

ARKK total return, 1 year

−10.0%

XAR total return, 1 year

ARKK · 1 year to Oct 28, 2026 64% of its weight is outside the S&P 500

36% of ARKK's weight is in S&P 500 companies and 64% is outside the index. Holdings as of Oct 27, 2026.

XAR · 1 year to Oct 28, 2026 60% of its weight is outside the S&P 500

40% of XAR's weight is in S&P 500 companies and 60% is outside the index. Holdings as of Oct 27, 2026.

Pair scorecard

XAR costs 0.40 points a year less; their one-year returns differ by 6.5 points; ARKK is 1.3 times larger.

Points (pts) are percentage points.

ARKK vs XAR: Holdings Overlap & Returns
Measure	ARKK	XAR
Return
Measure	ARKK	XAR
Total return, 1 year	−3.5%	−10.0%
Drawdown
Measure	ARKK	XAR
Below its all-time high	44.2%, high on Feb 12, 2021	24.1%, high on Aug 14, 2026
Against its benchmark
Measure	ARKK	XAR
What it tracks	Broad innovation and megatrends	Defense
Against the S&P 500, 1 year	behind by 17.2 pts	behind by 23.7 pts
Its benchmark, total return, 1 year	+13.7%	+13.7%
Against its benchmark, 1 year	behind by 17.2 pts	behind by 23.7 pts
Cost and size
Measure	ARKK	XAR
Expense ratio	0.75%	0.35%
Net assets, as of Oct 27, 2026	$6.6bn	$5.0bn
Holdings
Measure	ARKK	XAR
Holdings in common	4%

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

Risk and return

Nov 7, 2014 to Oct 23, 2026 · 624 weekly returns · each against VOO

ARKK XAR

Return

Total return edge XAR (slight) +350.6% +365.2%

Annualized edge XAR (slight) +13.4% +13.7%

Price return edge XAR (slight) +307.5% +319.2%

Risk

Volatility edge XAR 37.4% 24.8%

Max drawdown edge XAR −80.1% −45.1%

Downside capture 139.9% 107.7%

Beta 1.68 1.19

Risk-adjusted

Sharpe edge XAR 0.46 0.56

Sortino edge XAR 0.70 0.82

Treynor 0.103 0.116

Calmar edge XAR 0.17 0.30

Against the benchmark

Alpha −2.7% a year −0.4% a year

Alpha t-stat −0.37 −0.10

Information ratio 0.20 0.12

Tracking error 27.5% 15.4%

Reading

XAR returned slightly more: +365.2% to +350.6%. XAR swung less: 24.8% to 37.4%. XAR fell less at its worst: −45.1% to −80.1%.

Full scorecard

19 measures, with how each is measured Open ↓

Risk and return: ARKK vs XAR: Holdings Overlap & Returns
Measure	ARKK	XAR	VOO	Edge	How it is measured
Return
Total return	+350.6%	+365.2%		XAR (slight)	Price change plus distributions, reinvested.
Annualized	+13.4%	+13.7%		XAR (slight)	Total return as a yearly rate.
Price return	+307.5%	+319.2%		XAR (slight)	Price change alone, distributions left out.
Risk
Volatility	37.4%	24.8%		XAR	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	24.8%	16.7%		XAR	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−80.1%	−45.1%		XAR	Deepest fall from a high to the low after it.
Upside capture	236.0%	115.1%	100.0%	ARKK	Share of its benchmark's rise caught in the weeks it rose.
Downside capture	139.9%	107.7%	100.0%	XAR	Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta	1.68	1.19	1.00	XAR lower	How far it moves for each 1% its benchmark moves.
R squared	0.55	0.63	1.00	Not an edge	Share of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe	0.46	0.56		XAR	Return above Treasury bills per unit of volatility.
Sortino	0.70	0.82		XAR	Return above Treasury bills per unit of downside deviation.
Treynor	0.103	0.116	0.120	XAR	Return above Treasury bills per unit of beta.
Calmar	0.17	0.30		XAR	Annualized return divided by the max drawdown.
Against the benchmark
Benchmark	VOO	VOO	VOO		The ETF each fund is measured against.
Alpha	−2.7% a year	−0.4% a year	0.0%	Not significant	Yearly return beyond what its beta to the benchmark predicts.
Alpha t-stat	−0.37	−0.10		Not an edge	How sure the alpha is. Below 2, it could be chance.
Alpha range	−17.0% to +11.6%	−9.1% to +8.2%		Both include zero	The 95% range for the yearly alpha.
Information ratio	0.20	0.12		ARKK	Return against its benchmark per unit of tracking error.
Tracking error	27.5%	15.4%	0.0%	Not an edge	How far weekly returns stray from the benchmark, annualized.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 624 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

By the books each fund has filed, ARKK and XAR hold 4% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

4% in common

Positions both hold · largest shared weight first ARKK XAR

ROCKET LAB 1.32% 2.87%

Kratos Defense & Security Solutions Inc 1.10% 2.74%

ARCHER AVIATION INC-A 1.03% 1.58%

BWX TECHNOLOGIES INC 1.02% 2.65%

Only in one fund ↓

Only in ARKK

TESLA INC 10.99%

SPACE EXPLORATION TECHN-CL A 6.42%

TEMPUS AI INC-CL A 5.47%

CIRCLE INTERNET GROUP INC 4.79%

CRISPR THERAPEUTICS AG 4.32%

COINBASE GLOBAL INC -CLASS A 4.01%

OPENAI GROUP PBC SERIES C 3.79%

TWIST BIOSCIENCE CORP 3.46%

Only in XAR

LOCKHEED MARTIN CORP 3.69%

HONEYWELL AEROSPACE INC 3.44%

NORTHROP GRUMMAN CORP 3.32%

L3HARRIS TECHNOLOGIES INC 3.21%

GENERAL DYNAMICS CORP 3.12%

TRANSDIGM GROUP INC 3.12%

HUNTINGTON INGALLS INDUSTRIE 3.11%

HEICO CORP 3.07%

Check overlap with more funds →

Window by window

Window by window: ARKK vs XAR: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	ARKK	XAR	ARKK	XAR
3 months	+22.0%	−12.8%	+15.9 pts vs VOO	−18.9 pts vs VOO
6 months	+17.1%	−9.9%	+8.0 pts vs VOO	−19.0 pts vs VOO
1 year	−3.5%	−10.0%	−17.2 pts vs VOO	−23.7 pts vs VOO
3 years	+152.6%	+103.5%	+57.1 pts vs VOO	+8.0 pts vs VOO
Since launchNot the same days: ARKK Oct 2014 · XAR Sep 2011	+367.2%	+945.4%	−3.5 pts vs VOO	+171.9 pts vs VOO

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Side by side

ARKK ARK Innovation ETF · Holds 46 stocks in broad innovation and megatrends, 36% of its weight in S&P 500 companies XAR State Street SPDR S&P Aerospace & Defense ETF · Holds 50 stocks in defense, 40% of its weight in S&P 500 companies

Issuer ARK State Street

Theme Broad innovation and megatrends Defense

In the S&P 500 36.0% 39.7%

Active share vs the S&P 500 85.3% 97.7%

In the Nasdaq-100 28.9% 2.7%

Holdings 46 50

Top ten, share of the fund 49.4% 32.2%

Expense ratio 0.75% 0.35%

Fee for the differing part 0.88% 0.36%

Total return, 1 year −3.5% −10.0%

vs its benchmark −17.2 pts vs VOO −23.7 pts vs VOO

Below its high −44.2% −24.1%

Net assets, as of Oct 27, 2026 $6.6bn $5.0bn

As of Oct 28, 2026. Source: ETFIQ.

4% of the two portfolios are the same securities at the same weight.

Client brief · page 1 of 2 Report BR-F08047AA74

ARKK and XAR are built for the same job. How do they differ in cost, holdings and results?

Theme. ARKK covers Broad innovation and megatrends and XAR covers Defense.
Concentration. The top ten holdings are 49.4% of ARKK and 32.2% of XAR, a gap of 17.2 points.
What each follows. ARKK follows Broad innovation and megatrends and XAR follows Defense.

Data as of Oct 28, 2026.

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About each fund

ARKK

By weight, 36% of ARKK'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 49% of the fund across 46 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −3.5% with distributions reinvested against +13.7% for its benchmark, the S&P 500 Index, so a holder was behind by 17.2 pts. It sits 44.2% below its all-time high of Feb 12, 2021.

XAR

By weight, 40% of XAR'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 32% of the fund across 50 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −10.0% with distributions reinvested against +13.7% for its benchmark, the S&P 500 Index, so a holder was behind by 23.7 pts. It sits 24.1% below its all-time high of Aug 14, 2026.

Questions people ask

Do ARKK and XAR hold the same stocks?: By their latest filings, 4% 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, ARKK or XAR?: ARKK has 36% of its weight in S&P 500 names and XAR has 40%, so XAR differs more from the index.
Which is cheaper, ARKK or XAR?: ARKK charges 0.75% a year and XAR charges 0.35%, so XAR is cheaper. Fees come from each fund's prospectus.

Other comparisons

ARKK vs SHLD ARKK vs PPA ARKK vs ITA ARKK vs IDEF XAR vs XT XAR vs BOTZ XAR vs EUAD XAR vs MISL

Where to next

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

Sources and dates

ARKK filings on SEC EDGAR ↗

ARKK prospectus with the expense ratio (SEC) ↗

ARK page for ARKK ↗

XAR filings on SEC EDGAR ↗

XAR prospectus with the expense ratio (SEC) ↗

State Street website ↗

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, ARKK against XAR, data as of Oct 28, 2026. https://etfiq.com/compare/themes/arkk-vs-xar

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