Data as of .
ARKK vs FDTX: which is really different?
ARKK and FDTX hold 17% of their weight in the same names, and FDTX returned more over the year.
ETFIQ Off-Index Score: ARKK scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 379 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
17% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, ARKK and FDTX hold 17% of their money in the same securities at the same weight.
| Holding | ARKK | FDTX |
|---|---|---|
| SHOPIFY INC - CLASS A | 2.88% | 2.90% |
| PALANTIR TECHNOLOGIES INC-A | 2.60% | 2.88% |
| NVIDIA CORP | 2.44% | 4.64% |
| AMAZON.COM INC | 2.30% | 4.02% |
| META PLATFORMS INC-CLASS A | 1.95% | 2.85% |
| ALPHABET INC-CL C | 1.48% | 3.67% |
| CLOUDFLARE INC - CLASS A | 1.37% | 2.06% |
| TAIWAN SEMICONDUCTOR-SP ADR | 0.98% | 6.02% |
| BROADCOM INC | 1.62% | 0.79% |
| Only in ARKK | Only in FDTX |
|---|---|
| TESLA INC 9.38% | MICRON TECHNOLOGY INC 9.40% |
| SPACE EXPLORATION TECHN-CL A 6.51% | MARVELL TECHNOLOGY INC 8.09% |
| TEMPUS AI INC-CL A 6.16% | MEDIATEK INC 4.62% |
| CIRCLE INTERNET GROUP INC 4.86% | SEAGATE TECHNOLOGY HOLDINGS PLC 4.06% |
| CRISPR THERAPEUTICS AG 4.73% | WESTERN DIGITAL CORP 4.01% |
| COINBASE GLOBAL INC -CLASS A 4.21% | MICROSOFT CORP 3.80% |
| ROBINHOOD MARKETS INC - A 3.87% | COHERENT CORP 3.76% |
| TWIST BIOSCIENCE CORP 3.71% | PALO ALTO NETWORKS INC 3.68% |
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 May 31, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | FDTX | ARKK | FDTX | ARKK | FDTX | |
| 3 months | +10.0% | −3.8% | +7.8 pts | −6.1 pts | +12.5 pts | −1.4 pts |
| 6 months | +27.6% | +48.4% | +9.6 pts | +30.4 pts | +3.4 pts | +24.2 pts |
| 1 year | +6.1% | +37.2% | −10.5 pts | +20.7 pts | −15.7 pts | +15.5 pts |
| 3 years | +112.5% | +129.7% | +34.1 pts | +51.3 pts | +14.4 pts | +31.5 pts |
| Since launch | +378.7% | +118.3% | +17.3 pts | +35.0 pts | −299.9 pts | +14.5 pts |
| ARKK ARK Innovation ETF Holds 46 stocks in broad innovation and megatrends, 36% of its weight in S&P 500 companies | FDTX Fidelity Disruptive Technology ETF Holds 39 stocks in broad innovation and megatrends, 71% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | Fidelity |
| Theme | Broad innovation and megatrends | Broad innovation and megatrends |
| In the S&P 500 | 36.2% | 71.1% |
| Active share vs the S&P 500 | 85.7% | 75.4% |
| In the Nasdaq-100 | 27.3% | 65.8% |
| Holdings | 46 | 39 |
| Top ten, share of the fund | 49.7% | 52.4% |
| Expense ratio | 0.75% | 0.50% |
| Fee for the differing part | 0.88% | 0.66% |
| Total return, 1 year | +6.1% | +37.2% |
| vs the S&P 500 | −10.5 pts | +20.7 pts |
| vs the Nasdaq-100 | −15.7 pts | +15.5 pts |
| Below its high | −42.9% | −4.5% |
| Net assets | $7.9bn | $288m |
ARKK in plain words
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 86%. The top ten holdings are 50% of the fund across 46 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +6.1% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 10.5 pts. It sits 42.9% below its all-time high of Feb 12, 2021.
FDTX in plain words
By weight, 71% of FDTX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 75%. The top ten holdings are 52% of the fund across 39 positions, as filed for May 31, 2026. Over the year to Sep 18, 2026 the fund returned +37.2% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 20.7 pts.
Questions people ask
- Do ARKK and FDTX hold the same stocks?
- By their latest filings, 17% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, ARKK or FDTX?
- ARKK has 36% of its weight in S&P 500 names and FDTX has 71%, so ARKK differs more from the index.
- Which is cheaper, ARKK or FDTX?
- ARKK charges 0.75% a year and FDTX charges 0.50%, so FDTX 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 FDTX, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkk-vs-fdtx Free to use with attribution; the underlying files are at Open data.