Data as of . Every figure is the themes desk's own, on published data.
ARKK vs SOXX
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 SOXX hold 8% of their money in the same securities at the same weight.
| Holding | ARKK | SOXX |
|---|---|---|
| NVIDIA CORP | 2.54% | 6.82% |
| ADVANCED MICRO DEVICES | 2.44% | 8.10% |
| BROADCOM INC | 1.66% | 6.08% |
| TAIWAN SEMICONDUCTOR-SP ADR | 0.95% | 4.27% |
| TERADYNE INC | 0.85% | 3.37% |
| Only in ARKK | Only in SOXX |
|---|---|
| TESLA INC 9.62% | Micron Technology, Inc. 8.55% |
| SPACE EXPLORATION TECHN-CL A 6.28% | Intel Corp. 6.34% |
| CIRCLE INTERNET GROUP INC 6.06% | Applied Materials, Inc. 5.78% |
| TEMPUS AI INC-CL A 5.17% | KLA Corp. 5.65% |
| COINBASE GLOBAL INC -CLASS A 4.76% | Marvell Technology, Inc. 5.23% |
| CRISPR THERAPEUTICS AG 4.55% | Lam Research Corp. 4.90% |
| ROBINHOOD MARKETS INC - A 4.28% | Texas Instruments, Inc. 3.51% |
| SHOPIFY INC - CLASS A 3.37% | Analog Devices, Inc. 3.45% |
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 as filed for Jun 30, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | SOXX | ARKK | SOXX | ARKK | SOXX | |
| 3 months | +15.8% | −3.6% | +11.1 pts | −8.3 pts | +13.7 pts | −5.7 pts |
| 6 months | +19.1% | +60.9% | +3.9 pts | +45.7 pts | −1.1 pts | +40.7 pts |
| 1 year | +14.9% | +113.9% | −5.0 pts | +93.9 pts | −10.7 pts | +88.3 pts |
| 3 years | +97.5% | +210.8% | +19.6 pts | +132.9 pts | +4.1 pts | +117.4 pts |
| Since launch | +367.8% | +3635.3% | +2.5 pts | +2823.9 pts | −308.1 pts | +1951.2 pts |
| ARKK ARK Innovation ETF | SOXX iShares Semiconductor ETF | |
|---|---|---|
| Issuer | ARK | iShares |
| Theme | Broad innovation and megatrends | Semiconductors |
| In the S&P 500 | 37.9% | 80.8% |
| Active share vs the S&P 500 | 85.4% | 81.6% |
| In the Nasdaq-100 | 28.4% | 78.4% |
| Holdings | 47 | 30 |
| Top ten, share of the fund | 50.3% | 61.7% |
| Expense ratio | 0.75% | not published |
| Fee for the differing part | 0.88% | not published |
| Total return, 1 year | +14.9% | +113.9% |
| vs the S&P 500 | −5.0 pts | +93.9 pts |
| vs the Nasdaq-100 | −10.7 pts | +88.3 pts |
| Below its high | −44.2% | −20.6% |
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 50% of the fund across 47 positions, as filed for Sep 4, 2026. Over the year to Sep 4, 2026 the fund returned +14.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 5.0 pts. It sits 44.2% below its all-time high of Feb 12, 2021.
SOXX in plain words
By weight, 81% of SOXX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 82%. The top ten holdings are 62% of the fund across 30 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +113.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 93.9 pts. It sits 20.6% below its all-time high of Jun 22, 2026.
Questions people ask
- Do ARKK and SOXX 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 SOXX?
- ARKK has 38% of its weight in S&P 500 names and SOXX has 81%, so ARKK differs more from the index.
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 SOXX, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-SOXX.html Free to use with attribution; the underlying files are at Open data.