Data as of .
ARKK vs TMAT: which is really different?
ARKK and TMAT hold 7% of their weight in the same names, and ARKK returned more over the year.
ETFIQ Off-Index Score: TMAT 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
7% 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 TMAT hold 7% of their money in the same securities at the same weight.
| Holding | ARKK | TMAT |
|---|---|---|
| ADVANCED MICRO DEVICES | 2.67% | 1.61% |
| CLOUDFLARE INC - CLASS A | 1.37% | 1.40% |
| TAIWAN SEMICONDUCTOR-SP ADR | 0.98% | 1.05% |
| TERADYNE INC | 0.89% | 1.57% |
| BWX TECHNOLOGIES INC | 0.80% | 1.32% |
| VERACYTE INC | 0.75% | 0.98% |
| KRATOS DEFENSE & SECURITY | 0.97% | 0.60% |
| Only in ARKK | Only in TMAT |
|---|---|
| TESLA INC 9.38% | VICOR CORP 2.98% |
| SPACE EXPLORATION TECHN-CL A 6.51% | MICRON TECHNOLOGY INC 2.81% |
| TEMPUS AI INC-CL A 6.16% | LUMENTUM HOLDINGS INC 2.75% |
| CIRCLE INTERNET GROUP INC 4.86% | CIENA CORP 2.61% |
| CRISPR THERAPEUTICS AG 4.73% | PALO ALTO NETWORKS INC 2.55% |
| COINBASE GLOBAL INC -CLASS A 4.21% | CLEAR SECURE INC 2.48% |
| ROBINHOOD MARKETS INC - A 3.87% | KEYSIGHT TECHNOLOGIES INC 2.26% |
| TWIST BIOSCIENCE CORP 3.71% | MODINE MANUFACTURING COMPANY 1.94% |
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 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | TMAT | ARKK | TMAT | ARKK | TMAT | |
| 3 months | +10.0% | −5.8% | +7.8 pts | −8.1 pts | +12.5 pts | −3.3 pts |
| 6 months | +27.6% | +21.2% | +9.6 pts | +3.1 pts | +3.4 pts | −3.1 pts |
| 1 year | +6.1% | +3.5% | −10.5 pts | −13.0 pts | −15.7 pts | −18.2 pts |
| 3 years | +112.5% | +105.6% | +34.1 pts | +27.2 pts | +14.4 pts | +7.4 pts |
| Since launch | +378.7% | +16.5% | +17.3 pts | −105.8 pts | −299.9 pts | −120.4 pts |
| ARKK ARK Innovation ETF Holds 46 stocks in broad innovation and megatrends, 36% of its weight in S&P 500 companies | TMAT Main Thematic Innovation ETF Holds 88 stocks in broad innovation and megatrends, 46% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | Main |
| Theme | Broad innovation and megatrends | Broad innovation and megatrends |
| In the S&P 500 | 36.2% | 46.4% |
| Active share vs the S&P 500 | 85.7% | 91.5% |
| In the Nasdaq-100 | 27.3% | 22.9% |
| Holdings | 46 | 88 |
| Top ten, share of the fund | 49.7% | 24.2% |
| Expense ratio | 0.75% | 0.82% |
| Fee for the differing part | 0.88% | 0.90% |
| Total return, 1 year | +6.1% | +3.5% |
| vs the S&P 500 | −10.5 pts | −13.0 pts |
| vs the Nasdaq-100 | −15.7 pts | −18.2 pts |
| Below its high | −42.9% | −9.0% |
| Net assets | $7.9bn | $211m |
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 18, 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.
TMAT in plain words
By weight, 46% of TMAT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 24% of the fund across 88 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +3.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 13.0 pts. It sits 9.0% below its all-time high of Jun 30, 2026.
Questions people ask
- Do ARKK and TMAT hold the same stocks?
- By their latest filings, 7% 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 TMAT?
- ARKK has 36% of its weight in S&P 500 names and TMAT has 46%, so TMAT differs more from the index.
- Which is cheaper, ARKK or TMAT?
- ARKK charges 0.75% a year and TMAT charges 0.82%, so ARKK 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 TMAT, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkk-vs-tmat Free to use with attribution; the underlying files are at Open data.