Data as of . Every figure is the themes desk's own, on published data.
ARKK vs TAN
0% 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 TAN hold 0% of their money in the same securities at the same weight.
| Only in ARKK | Only in TAN |
|---|---|
| TESLA INC 9.62% | First Solar, Inc. 11.74% |
| SPACE EXPLORATION TECHN-CL A 6.28% | Nextpower Inc. 9.81% |
| CIRCLE INTERNET GROUP INC 6.06% | Enphase Energy, Inc. 8.75% |
| TEMPUS AI INC-CL A 5.17% | Enlight Renewable Energy Ltd. 7.58% |
| COINBASE GLOBAL INC -CLASS A 4.76% | SolarEdge Technologies, Inc. 6.32% |
| CRISPR THERAPEUTICS AG 4.55% | Doral Group Renewable Energy Resources L 5.09% |
| ROBINHOOD MARKETS INC - A 4.28% | Sunrun Inc. 4.83% |
| SHOPIFY INC - CLASS A 3.37% | O.Y. Nofar Energy Ltd. 4.21% |
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 May 31, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | TAN | ARKK | TAN | ARKK | TAN | |
| 3 months | +15.8% | −25.0% | +11.1 pts | −29.7 pts | +13.7 pts | −27.1 pts |
| 6 months | +19.1% | −9.8% | +3.9 pts | −25.0 pts | −1.1 pts | −30.0 pts |
| 1 year | +14.9% | +14.3% | −5.0 pts | −5.6 pts | −10.7 pts | −11.3 pts |
| 3 years | +97.5% | −16.7% | +19.6 pts | −94.7 pts | +4.1 pts | −110.2 pts |
| Since launch | +367.8% | −38.6% | +2.5 pts | −850.0 pts | −308.1 pts | −1722.7 pts |
| ARKK ARK Innovation ETF | TAN Invesco Solar ETF | |
|---|---|---|
| Issuer | ARK | Invesco |
| Theme | Broad innovation and megatrends | Clean energy |
| In the S&P 500 | 37.9% | 11.7% |
| Active share vs the S&P 500 | 85.4% | 100.0% |
| In the Nasdaq-100 | 28.4% | 0.0% |
| Holdings | 47 | 31 |
| Top ten, share of the fund | 50.3% | 65.2% |
| Expense ratio | 0.75% | 0.70% |
| Fee for the differing part | 0.88% | 0.70% |
| Total return, 1 year | +14.9% | +14.3% |
| vs the S&P 500 | −5.0 pts | −5.6 pts |
| vs the Nasdaq-100 | −10.7 pts | −11.3 pts |
| Below its high | −44.2% | −60.4% |
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.
TAN in plain words
By weight, 12% of TAN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 65% of the fund across 31 positions, as filed for May 31, 2026. Over the year to Sep 4, 2026 the fund returned +14.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 5.6 pts. It sits 60.4% below its all-time high of Feb 9, 2021.
Questions people ask
- Do ARKK and TAN hold the same stocks?
- By their latest filings, 0% 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 TAN?
- ARKK has 38% of its weight in S&P 500 names and TAN has 12%, so TAN differs more from the index.
- Which is cheaper, ARKK or TAN?
- ARKK charges 0.75% a year and TAN charges 0.70%, so TAN 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 TAN, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ARKK-TAN.html Free to use with attribution; the underlying files are at Open data.