Do ARKK and FDN hold the same stocks?

By their latest filings, 8% 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 FDN?

ARKK has 36% of its weight in S&P 500 names and FDN has 82%, so FDN differs more from the index.

Which is cheaper, ARKK or FDN?

ARKK charges 0.75% a year and FDN charges 0.49%, so FDN is cheaper. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Thematic ETFs

ARKK vs FDN: Holdings Overlap & Returns

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Over the year to Oct 28, 2026, ARKK returned −3.5% to FDN's −1.1%; 8% 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 $5.1bn for First Trust Dow Jones Internet Index Fund.

ARKK on its own →FDN on its own →

At a glance

36.0%

ARKK in the S&P 500

81.9%

FDN in the S&P 500

−3.5%

ARKK total return, 1 year

−1.1%

FDN 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.

FDN · 1 year to Oct 28, 2026 18% of its weight is outside the S&P 500

82% of FDN's weight is in S&P 500 companies and 18% is outside the index. Holdings as of Oct 27, 2026.

Pair scorecard

FDN costs 0.26 points a year less; their one-year returns differ by 2.4 points; ARKK is 1.3 times larger.

Points (pts) are percentage points.

ARKK vs FDN: Holdings Overlap & Returns
Measure	ARKK	FDN
Return
Measure	ARKK	FDN
Total return, 1 year	−3.5%	−1.1%
Drawdown
Measure	ARKK	FDN
Below its all-time high	44.2%, high on Feb 12, 2021	6.3%, high on Oct 9, 2026
Against its benchmark
Measure	ARKK	FDN
What it tracks	Broad innovation and megatrends	Internet and e-commerce
Against the S&P 500, 1 year	behind by 17.2 pts	behind by 14.8 pts
Its benchmark, total return, 1 year	+13.7%	+13.7%
Against its benchmark, 1 year	behind by 17.2 pts	behind by 14.8 pts
Cost and size
Measure	ARKK	FDN
Expense ratio	0.75%	0.49%
Net assets, as of Oct 27, 2026	$6.6bn	$5.1bn
Holdings
Measure	ARKK	FDN
Holdings in common	8%

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

Risk and return

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

ARKK FDN

Return

Total return edge FDN (slight) +350.6% +365.1%

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

Price return edge FDN +307.5% +365.1%

Risk

Volatility edge FDN 37.4% 23.8%

Max drawdown edge FDN −80.1% −53.4%

Downside capture 139.9% 113.1%

Beta 1.68 1.15

Risk-adjusted

Sharpe edge FDN 0.46 0.57

Sortino edge FDN 0.70 0.84

Treynor 0.103 0.121

Calmar edge FDN 0.17 0.26

Against the benchmark

Alpha −2.7% a year +1.8% a year

Alpha t-stat −0.37 0.64

Information ratio 0.20 0.26

Tracking error 27.5% 13.2%

Each against its own benchmark: ARKK against VOO, Nov 7, 2014 to Oct 23, 2026; FDN against IVV, Jun 30, 2006 to Oct 23, 2026.

Reading

FDN returned slightly more: +365.1% to +350.6%. FDN swung less: 23.8% to 37.4%. FDN fell less at its worst: −53.4% to −80.1%.

Full scorecard

19 measures, with how each is measured Open ↓

Risk and return: ARKK vs FDN: Holdings Overlap & Returns
Measure	ARKK	FDN	Edge	How it is measured
Return
Total return	+350.6%	+365.1%	FDN (slight)	Price change plus distributions, reinvested.
Annualized	+13.4%	+13.7%	FDN (slight)	Total return as a yearly rate.
Price return	+307.5%	+365.1%	FDN	Price change alone, distributions left out.
Risk
Volatility	37.4%	23.8%	FDN	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	24.8%	16.0%	FDN	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−80.1%	−53.4%	FDN	Deepest fall from a high to the low after it.
Upside capture	236.0%	138.3%		Share of its benchmark's rise caught in the weeks it rose.
Downside capture	139.9%	113.1%		Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta	1.68	1.15	Not an edge	How far it moves for each 1% its benchmark moves.
R squared	0.55	0.71	Not an edge	Share of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe	0.46	0.57	FDN	Return above Treasury bills per unit of volatility.
Sortino	0.70	0.84	FDN	Return above Treasury bills per unit of downside deviation.
Treynor	0.103	0.121		Return above Treasury bills per unit of beta.
Calmar	0.17	0.26	FDN	Annualized return divided by the max drawdown.
Against the benchmark
Benchmark	VOO	IVV		The ETF each fund is measured against.
Alpha	−2.7% a year	+1.8% a year	Not significant	Yearly return beyond what its beta to the benchmark predicts.
Alpha t-stat	−0.37	0.64	Not an edge	How sure the alpha is. Below 2, it could be chance.
Alpha range	−17.0% to +11.6%	−3.8% to +7.4%	Includes zero	The 95% range for the yearly alpha.
Information ratio	0.20	0.26		Return against its benchmark per unit of tracking error.
Tracking error	27.5%	13.2%	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 FDN hold 8% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

8% in common

Positions both hold · largest shared weight first ARKK FDN

AMAZON.COM INC 2.30% 10.23%

META PLATFORMS INC-CLASS A 2.10% 9.68%

CLOUDFLARE INC - CLASS A 1.20% 3.67%

ALPHABET INC-CL C 0.89% 4.39%

COREWEAVE INC-CL A 2.50% 0.80%

CIRCLE INTERNET GROUP INC 4.79% 0.57%

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%

CRISPR THERAPEUTICS AG 4.32%

COINBASE GLOBAL INC -CLASS A 4.01%

OPENAI GROUP PBC SERIES C 3.79%

TWIST BIOSCIENCE CORP 3.46%

SHOPIFY INC - CLASS A 3.14%

Only in FDN

Cisco Systems, Inc. 9.04%

Alphabet Inc. (Class A) 5.48%

Netflix, Inc. 5.28%

Salesforce, Inc. 4.53%

Arista Networks, Inc. 4.45%

Snowflake Inc. (Class A) 4.07%

Booking Holdings Inc. 3.93%

Oracle Corporation 3.71%

Check overlap with more funds →

Window by window

Window by window: ARKK vs FDN: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	ARKK	FDN	ARKK	FDN
3 months	+22.0%	+5.5%	+15.9 pts vs VOO	−0.6 pts vs IVV
6 months	+17.1%	+7.7%	+8.0 pts vs VOO	−1.4 pts vs IVV
1 year	−3.5%	−1.1%	−17.2 pts vs VOO	−14.8 pts vs IVV
3 years	+152.6%	+89.6%	+57.1 pts vs VOO	−5.8 pts vs IVV
Since launchNot the same days: ARKK Oct 2014 · FDN Jun 2006	+367.2%	+1,282.2%	−3.5 pts vs VOO	not measured

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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 FDN First Trust Dow Jones Internet Index Fund · Holds 41 stocks in internet and e-commerce, 82% of its weight in S&P 500 companies

Issuer ARK First Trust

Theme Broad innovation and megatrends Internet and e-commerce

In the S&P 500 36.0% 81.9%

Active share vs the S&P 500 85.3% 85.5%

In the Nasdaq-100 28.9% 60.0%

Holdings 46 41

Top ten, share of the fund 49.4% 61.1%

Expense ratio 0.75% 0.49%

Fee for the differing part 0.88% 0.57%

Total return, 1 year −3.5% −1.1%

vs its benchmark −17.2 pts vs VOO −14.8 pts vs IVV

Below its high −44.2% −6.3%

Net assets, as of Oct 27, 2026 $6.6bn $5.1bn

As of Oct 28, 2026. Source: ETFIQ.

8% of the two portfolios are the same securities at the same weight.

Client brief · page 1 of 2 Report BR-67B4AF6D98

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

Theme. ARKK covers Broad innovation and megatrends and FDN covers Internet and e-commerce.
Concentration. The top ten holdings are 49.4% of ARKK and 61.1% of FDN, a gap of 11.7 points.
What each follows. ARKK follows Broad innovation and megatrends and FDN follows Internet and e-commerce.

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.

FDN

By weight, 82% of FDN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 86%. The top ten holdings are 61% of the fund across 41 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned −1.1% with distributions reinvested against +13.7% for its benchmark, the S&P 500 Index, so a holder was behind by 14.8 pts. It sits 6.3% below its all-time high of Oct 9, 2026.

Questions people ask

Do ARKK and FDN hold the same stocks?: By their latest filings, 8% 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 FDN?: ARKK has 36% of its weight in S&P 500 names and FDN has 82%, so FDN differs more from the index.
Which is cheaper, ARKK or FDN?: ARKK charges 0.75% a year and FDN charges 0.49%, so FDN is cheaper. Fees come from each fund's prospectus.

Other comparisons

ARKK vs KWEB ARKK vs XME ARKK vs IDEF ARKK vs BOTZ FDN vs XT FDN vs IFRA FDN vs IDEF FDN vs BOTZ

Where to next

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

Sources and dates

ARKK filings on SEC EDGAR ↗

ARKK prospectus with the expense ratio (SEC) ↗

ARK page for ARKK ↗

FDN filings on SEC EDGAR ↗

FDN prospectus with the expense ratio (SEC) ↗

First Trust page for FDN ↗

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 FDN, data as of Oct 28, 2026. https://etfiq.com/compare/themes/arkk-vs-fdn

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