Data as of .
ARKK vs HTEC: which is really different?
ARKK and HTEC hold 8% of their weight in the same names, and HTEC returned more over the year.
ETFIQ Off-Index Score: HTEC 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
8% 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 HTEC hold 8% of their money in the same securities at the same weight.
| Holding | ARKK | HTEC |
|---|---|---|
| TWIST BIOSCIENCE CORP | 3.95% | 2.34% |
| ILLUMINA INC | 1.17% | 1.96% |
| NATERA INC | 1.12% | 2.17% |
| VERACYTE INC | 0.73% | 1.65% |
| Only in ARKK | Only in HTEC |
|---|---|
| TESLA INC 9.26% | AxoGen, Inc. 3.16% |
| SPACE EXPLORATION TECHN-CL A 6.37% | ARROWHEAD PHARMACEUTICALS, INC. 2.57% |
| TEMPUS AI INC-CL A 5.92% | GLAUKOS CORPORATION 2.23% |
| CIRCLE INTERNET GROUP INC 5.20% | TEMPUS AI, INC. 2.13% |
| COINBASE GLOBAL INC -CLASS A 4.67% | NOVOCURE LIMITED 2.05% |
| CRISPR THERAPEUTICS AG 4.64% | ALNYLAM PHARMACEUTICALS, INC. 2.02% |
| ROBINHOOD MARKETS INC - A 4.19% | GUARDANT HEALTH, INC. 2.00% |
| 10X GENOMICS INC-CLASS A 3.39% | THERMO FISHER SCIENTIFIC INCORPORATED 1.99% |
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 Apr 30, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | HTEC | ARKK | HTEC | ARKK | HTEC | |
| 3 months | +10.0% | +20.9% | +7.8 pts | +18.7 pts | +12.5 pts | +23.4 pts |
| 6 months | +27.6% | +32.1% | +9.6 pts | +14.1 pts | +3.4 pts | +7.9 pts |
| 1 year | +6.1% | +37.8% | −10.5 pts | +21.3 pts | −15.7 pts | +16.1 pts |
| 3 years | +112.5% | +63.1% | +34.1 pts | −15.3 pts | +14.4 pts | −35.0 pts |
| Since launch | +378.7% | +76.8% | +17.3 pts | −114.2 pts | −299.9 pts | −230.7 pts |
| ARKK ARK Innovation ETF Holds 46 stocks in broad innovation and megatrends, 36% of its weight in S&P 500 companies | HTEC ROBO Global(R) Healthcare Technology and Innovation ETF Holds 59 stocks in broad innovation and megatrends, 32% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | ROBO Global |
| Theme | Broad innovation and megatrends | Broad innovation and megatrends |
| In the S&P 500 | 36.2% | 31.8% |
| Active share vs the S&P 500 | 85.7% | 97.9% |
| In the Nasdaq-100 | 27.3% | 9.1% |
| Holdings | 46 | 59 |
| Top ten, share of the fund | 49.7% | 22.7% |
| Expense ratio | 0.75% | 0.68% |
| Fee for the differing part | 0.88% | 0.69% |
| Total return, 1 year | +6.1% | +37.8% |
| vs the S&P 500 | −10.5 pts | +21.3 pts |
| vs the Nasdaq-100 | −15.7 pts | +16.1 pts |
| Below its high | −42.9% | −17.4% |
| Net assets | $9.3bn | $53m |
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 21, 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.
HTEC in plain words
By weight, 32% of HTEC'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 23% of the fund across 59 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +37.8% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 21.2 pts. It sits 17.4% below its all-time high of Feb 12, 2021.
Questions people ask
- Do ARKK and HTEC hold the same stocks?
- By their latest filings, 8% 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 HTEC?
- ARKK has 36% of its weight in S&P 500 names and HTEC has 32%, so HTEC differs more from the index.
- Which is cheaper, ARKK or HTEC?
- ARKK charges 0.75% a year and HTEC charges 0.68%, so HTEC 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 HTEC, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkk-vs-htec Free to use with attribution; the underlying files are at Open data.