Data as of . Every figure is the themes desk's own, on published data.
ARKK vs BAI
14% 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 BAI hold 14% of their money in the same securities at the same weight.
| Holding | ARKK | BAI |
|---|---|---|
| NVIDIA CORP | 2.54% | 5.43% |
| ADVANCED MICRO DEVICES | 2.44% | 3.84% |
| TESLA INC | 9.62% | 1.68% |
| BROADCOM INC | 1.66% | 5.97% |
| META PLATFORMS INC-CLASS A | 1.40% | 1.15% |
| PALANTIR TECHNOLOGIES INC-A | 2.88% | 1.08% |
| KRATOS DEFENSE & SECURITY | 0.98% | 0.96% |
| TAIWAN SEMICONDUCTOR-SP ADR | 0.95% | 4.64% |
| TEMPUS AI INC-CL A | 5.17% | 0.68% |
| BWX TECHNOLOGIES INC | 0.88% | 0.41% |
| ALPHABET INC-CL A | 0.38% | 4.26% |
| Only in ARKK | Only in BAI |
|---|---|
| SPACE EXPLORATION TECHN-CL A 6.28% | SK hynix Inc 4.93% |
| CIRCLE INTERNET GROUP INC 6.06% | Tower Semiconductor Ltd 4.22% |
| COINBASE GLOBAL INC -CLASS A 4.76% | Lam Research Corp 3.99% |
| CRISPR THERAPEUTICS AG 4.55% | Lumentum Holdings Inc 3.32% |
| ROBINHOOD MARKETS INC - A 4.28% | Micron Technology Inc 3.21% |
| SHOPIFY INC - CLASS A 3.37% | Elite Material Co Ltd 3.20% |
| TWIST BIOSCIENCE CORP 3.23% | Fabrinet 3.13% |
| 10X GENOMICS INC-CLASS A 2.92% | Intel Corp 2.72% |
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 Apr 30, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | BAI | ARKK | BAI | ARKK | BAI | |
| 3 months | +15.8% | −2.1% | +11.1 pts | −6.8 pts | +13.7 pts | −4.2 pts |
| 6 months | +19.1% | +36.4% | +3.9 pts | +21.2 pts | −1.1 pts | +16.2 pts |
| 1 year | +14.9% | +43.1% | −5.0 pts | +23.1 pts | −10.7 pts | +17.5 pts |
| 3 years | +97.5% | n/a | +19.6 pts | n/a | +4.1 pts | n/a |
| Since launch | +367.8% | +81.2% | +2.5 pts | +46.5 pts | −308.1 pts | +34.9 pts |
| ARKK ARK Innovation ETF | BAI iShares A.I. Innovation and Tech Active ETF | |
|---|---|---|
| Issuer | ARK | iShares |
| Theme | Broad innovation and megatrends | Artificial intelligence |
| In the S&P 500 | 37.9% | 50.0% |
| Active share vs the S&P 500 | 85.4% | 77.9% |
| In the Nasdaq-100 | 28.4% | 43.9% |
| Holdings | 47 | 45 |
| Top ten, share of the fund | 50.3% | 43.8% |
| Expense ratio | 0.75% | not published |
| Fee for the differing part | 0.88% | not published |
| Total return, 1 year | +14.9% | +43.1% |
| vs the S&P 500 | −5.0 pts | +23.1 pts |
| vs the Nasdaq-100 | −10.7 pts | +17.5 pts |
| Below its high | −44.2% | −17.8% |
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.
BAI in plain words
By weight, 50% of BAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 78%. The top ten holdings are 44% of the fund across 45 positions, as filed for Apr 30, 2026. Over the year to Sep 4, 2026 the fund returned +43.1% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 23.1 pts. It sits 17.8% below its all-time high of Jun 22, 2026.
Questions people ask
- Do ARKK and BAI hold the same stocks?
- By their latest filings, 14% 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 BAI?
- ARKK has 38% of its weight in S&P 500 names and BAI has 50%, 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 BAI, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-BAI.html Free to use with attribution; the underlying files are at Open data.