Data as of .
ARKK vs FDN: which is really different?
FDN holds 82.4% of its weight in S&P 500 companies and ARKK 38.1%.
ETFIQ Off-Index Score: FDN scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 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, ARKK and FDN hold 9% of their money in the same securities at the same weight.
| Holding | ARKK | FDN |
|---|---|---|
| AMAZON.COM INC | 2.50% | 9.78% |
| META PLATFORMS INC-CLASS A | 1.93% | 10.43% |
| ALPHABET INC-CL C | 1.69% | 3.84% |
| CLOUDFLARE INC - CLASS A | 1.34% | 3.79% |
| COREWEAVE INC-CL A | 2.71% | 0.90% |
| CIRCLE INTERNET GROUP INC | 5.56% | 0.20% |
| ALPHABET INC-CL A | 0.01% | 4.79% |
| Only in ARKK | Only in FDN |
|---|---|
| TESLA INC 9.75% | Cisco Systems, Inc. 7.25% |
| SPACE EXPLORATION TECHN-CL A 6.52% | Salesforce, Inc. 5.91% |
| TEMPUS AI INC-CL A 4.83% | Arista Networks, Inc. 5.18% |
| CRISPR THERAPEUTICS AG 4.52% | Booking Holdings Inc. 4.51% |
| COINBASE GLOBAL INC -CLASS A 4.47% | Oracle Corporation 4.44% |
| ROBINHOOD MARKETS INC - A 4.18% | Snowflake Inc. (Class A) 4.34% |
| TWIST BIOSCIENCE CORP 3.29% | Netflix, Inc. 3.85% |
| 10X GENOMICS INC-CLASS A 3.21% | DoorDash, Inc. (Class A) 2.90% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 10, 2026 and Sep 11, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | FDN | ARKK | FDN | ARKK | FDN | |
| 3 months | +10.5% | +9.3% | +7.2 pts | +6.0 pts | +11.3 pts | +10.1 pts |
| 6 months | +19.0% | +20.3% | +3.0 pts | +4.3 pts | −1.7 pts | −0.4 pts |
| 1 year | +6.7% | +1.9% | −10.8 pts | −15.6 pts | −16.2 pts | −21.0 pts |
| 3 years | +89.9% | +69.5% | +12.0 pts | −8.4 pts | −5.2 pts | −25.6 pts |
| Since launch | +353.4% | +1031.5% | −8.3 pts | +227.1 pts | −318.1 pts | −642.4 pts |
| ARKK ARK Innovation ETF Holds 47 stocks in broad innovation and megatrends, 38% of its weight in S&P 500 companies | FDN First Trust Dow Jones Internet Index Fund Holds 42 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 | 38.1% | 82.4% |
| Active share vs the S&P 500 | 85.0% | 85.5% |
| In the Nasdaq-100 | 28.6% | 57.1% |
| Holdings | 47 | 42 |
| Top ten, share of the fund | 49.4% | 60.5% |
| Expense ratio | 0.75% | 0.49% |
| Fee for the differing part | 0.88% | 0.57% |
| Total return, 1 year | +6.7% | +1.9% |
| vs the S&P 500 | −10.8 pts | −15.6 pts |
| vs the Nasdaq-100 | −16.2 pts | −21.0 pts |
| Below its high | −45.9% | −2.1% |
ARKK in plain words
By weight, 38% 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 47 positions, as published by its issuer for Sep 11, 2026. Over the year to Sep 11, 2026 the fund returned +6.7% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 10.8 pts. It sits 45.9% below its all-time high of Feb 12, 2021.
FDN in plain words
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 60% of the fund across 42 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +1.9% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 15.6 pts.
Questions people ask
- Which is more different from the S&P 500, ARKK or FDN?
- ARKK has 38% 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
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, ARKK against FDN, data as of Sep 11, 2026. https://etfiq.com/compare/themes/arkk-vs-fdn Free to use with attribution; the underlying files are at Open data.