Do ARKX and FSPC hold the same stocks?

By their latest filings, 22% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, ARKX or FSPC?

ARKX has 51% of its weight in S&P 500 names and FSPC has 27%, so FSPC differs more from the index.

Which is cheaper, ARKX or FSPC?

ARKX charges 0.75% a year and FSPC charges 0.65%, so FSPC is cheaper. Fees come from each fund's prospectus.

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ARKX vs FSPC: which is really different?

ARKX and FSPC hold 22% of their weight in the same names. ARK Space & Defense Innovation ETF and First Trust Bloomberg Space Economy ETF.

51.4%

ARKX in the S&P 500

27.1%

FSPC in the S&P 500

+11.7%

ARKX total return, 1 year

−6.3%

FSPC total return, since launch

ARKX · 1 year to Sep 30, 202649% of its weight is outside the S&P 500

51% of ARKX's weight is in S&P 500 companies and 49% is outside the index

FSPC · since launch to Sep 30, 202673% of its weight is outside the S&P 500

27% of FSPC's weight is in S&P 500 companies and 73% is outside the index

ETFIQ Off-Index Score · FSPC scores higherHow much of it is not the index it is sold as an alternative to?

ARKX 15.9

FSPC 58.7

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, ARKX and FSPC hold 22% 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 Oct 1, 2026 and Sep 30, 2026.

50%

half

22% in common

Positions both hold, largest shared weight first

Holding ARKX FSPC

SPACE EXPLORATION TECHN-CL A 10.84% 4.77%

L3HARRIS TECHNOLOGIES INC 6.17% 4.02%

PALANTIR TECHNOLOGIES INC-A 3.89% 4.93%

ROCKET LAB 5.86% 3.55%

THALES SA 1.83% 4.77%

AEROVIRONMENT INC 4.61% 1.51%

INTUITIVE MACHINES INC 1.91% 1.16%

AIRBUS SE 0.90% 3.13%

KRATOS DEFENSE & SECURITY 5.49% 0.87%

LOCKHEED MARTIN CORP 0.86% 3.18%

IRIDIUM COMMUNICATIONS INC 0.47% 0.49%

Only in ARKX

DEERE & CO 5.60%

NVIDIA CORP 5.37%

ADVANCED MICRO DEVICES 4.52%

AMAZON.COM INC 4.48%

TERADYNE INC 4.14%

ALPHABET INC-CL C 3.99%

KOMATSU LTD 3.38%

TESLA INC 3.33%

Only in FSPC

Mitsubishi Heavy Industries, Ltd. 5.33%

Safran S.A. 4.75%

Northrop Grumman Corporation 4.52%

EchoStar Corporation (Class A) 4.51%

ViaSat, Inc. 4.34%

AST SpaceMobile, Inc. 3.54%

Honeywell International Inc. 3.14%

Rheinmetall AG 2.96%

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

22% 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	ARKX	FSPC	ARKX	FSPC	ARKX	FSPC
3 months	−5.7%	not published	−8.2 pts	not published	−7.8 pts	not published
6 months	+6.7%	not published	−10.3 pts	not published	−20.2 pts	not published
1 year	+11.7%	not published	−4.0 pts	not published	−12.1 pts	not published
3 years	+131.5%	not published	+46.5 pts	not published	+21.5 pts	not published
Since launch ARKX Mar 2021 · FSPC Jul 2026	+57.1%	−6.3%	−50.8 pts	−8.0 pts	−85.9 pts	−8.7 pts

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

On the same fields

ARKX

ARK Space & Defense Innovation ETF · Holds 34 stocks in space, 51% of its weight in S&P 500 companies

FSPC

First Trust Bloomberg Space Economy ETF · Holds 53 stocks in space, 27% of its weight in S&P 500 companies

Issuer ARK First Trust

Theme Space Space

In the S&P 500 51.4% 27.1%

Active share vs the S&P 500 83.6% 98.8%

In the Nasdaq-100 28.4% 8.1%

Holdings 34 53

Top ten, share of the fund 57.1% 45.5%

Expense ratio 0.75% 0.65%

Fee for the differing part 0.90% 0.66%

Total return, 1 year +11.7% −6.3% (since launch on Jul 9, 2026)

vs the S&P 500 −4.0 pts −8.0 pts

vs the Nasdaq-100 −12.1 pts −8.7 pts

Below its high −15.5% −13.7%

Net assets $737m $2m

ARKX and FSPC on the same fields, as of Sep 30, 2026. Source: ETFIQ.

ARKX in plain words

By weight, 51% of ARKX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 84%. The top ten holdings are 57% of the fund across 34 positions, as published by its issuer for Oct 1, 2026. Over the year to Sep 30, 2026 the fund returned +11.7% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 4.0 pts. It sits 15.5% below its all-time high of May 28, 2026.

FSPC in plain words

By weight, 27% of FSPC'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 46% of the fund across 53 positions, as published by its issuer for Sep 30, 2026. Since it launched on Jul 9, 2026 the fund returned −6.3% with distributions reinvested against +1.7% for the S&P 500, so a holder was behind by 8.0 pts. It sits 13.7% below its all-time high of Aug 14, 2026.

Questions people ask

Do ARKX and FSPC hold the same stocks?: By their latest filings, 22% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, ARKX or FSPC?: ARKX has 51% of its weight in S&P 500 names and FSPC has 27%, so FSPC differs more from the index.
Which is cheaper, ARKX or FSPC?: ARKX charges 0.75% a year and FSPC charges 0.65%, so FSPC is cheaper. Fees come from each fund's prospectus.

Other comparisons

ARKX vs DIPR ARKX vs GALX ARKX vs MARS ARKX vs NASA FSPC vs GALX FSPC vs MARS FSPC vs NASA FSPC vs ORBX

ARKX on its own →FSPC on its own →How every figure is computed →Standards and sources →

Where these figures came from

ARKX filings on SEC EDGAR ↗ARKX prospectus with the expense ratio (SEC) ↗ARK page for ARKX ↗FSPC filings on SEC EDGAR ↗FSPC prospectus with the expense ratio (SEC) ↗First Trust page for FSPC ↗

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, ARKX against FSPC, data as of Sep 30, 2026. https://etfiq.com/compare/themes/arkx-vs-fspc

Open data

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