Data as of . Every figure is the themes desk's own, on published data.
ARKK vs XAR
4% 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 XAR hold 4% of their money in the same securities at the same weight.
| Holding | ARKK | XAR |
|---|---|---|
| ARCHER AVIATION INC-A | 1.19% | 2.41% |
| KRATOS DEFENSE & SECURITY | 0.98% | 2.34% |
| ROCKET LAB | 0.98% | 2.49% |
| BWX TECHNOLOGIES INC | 0.88% | 2.74% |
| Only in ARKK | Only in XAR |
|---|---|
| TESLA INC 9.62% | VSE Corp 3.40% |
| SPACE EXPLORATION TECHN-CL A 6.28% | Axon Enterprise Inc 3.23% |
| CIRCLE INTERNET GROUP INC 6.06% | StandardAero Inc 3.11% |
| TEMPUS AI INC-CL A 5.17% | FTAI Aviation Ltd 3.09% |
| COINBASE GLOBAL INC -CLASS A 4.76% | Carpenter Technology Corp 3.04% |
| CRISPR THERAPEUTICS AG 4.55% | General Electric Co 3.02% |
| ROBINHOOD MARKETS INC - A 4.28% | Woodward Inc 2.98% |
| SHOPIFY INC - CLASS A 3.37% | HEICO Corp 2.86% |
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 | XAR | ARKK | XAR | ARKK | XAR | |
| 3 months | +15.8% | −7.2% | +11.1 pts | −11.9 pts | +13.7 pts | −9.3 pts |
| 6 months | +19.1% | −9.4% | +3.9 pts | −24.5 pts | −1.1 pts | −29.5 pts |
| 1 year | +14.9% | +17.9% | −5.0 pts | −2.1 pts | −10.7 pts | −7.7 pts |
| 3 years | +97.5% | +113.8% | +19.6 pts | +35.9 pts | +4.1 pts | +20.3 pts |
| Since launch | +367.8% | +1074.6% | +2.5 pts | +314.2 pts | −308.1 pts | −342.9 pts |
| ARKK ARK Innovation ETF | XAR State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF | |
|---|---|---|
| Issuer | ARK | State Street |
| Theme | Broad innovation and megatrends | Defense |
| In the S&P 500 | 37.9% | 32.4% |
| Active share vs the S&P 500 | 85.4% | 97.9% |
| In the Nasdaq-100 | 28.4% | 3.2% |
| Holdings | 47 | 48 |
| Top ten, share of the fund | 50.3% | 30.4% |
| Expense ratio | 0.75% | 0.35% |
| Fee for the differing part | 0.88% | 0.36% |
| Total return, 1 year | +14.9% | +17.9% |
| vs the S&P 500 | −5.0 pts | −2.1 pts |
| vs the Nasdaq-100 | −10.7 pts | −7.7 pts |
| Below its high | −44.2% | −14.8% |
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.
XAR in plain words
By weight, 32% of XAR'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 30% of the fund across 48 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +17.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 2.1 pts. It sits 14.8% below its all-time high of Aug 14, 2026.
Questions people ask
- Do ARKK and XAR hold the same stocks?
- By their latest filings, 4% 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 XAR?
- ARKK has 38% of its weight in S&P 500 names and XAR has 32%, so XAR differs more from the index.
- Which is cheaper, ARKK or XAR?
- ARKK charges 0.75% a year and XAR charges 0.35%, so XAR 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 XAR, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-XAR.html Free to use with attribution; the underlying files are at Open data.