Data as of .
ARKK vs ILDR: which is really different?
ARKK and ILDR hold 21% of their weight in the same names, and ILDR returned more over the year.
ETFIQ Off-Index Score: ARKK 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
21% 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 ILDR hold 21% of their money in the same securities at the same weight.
| Holding | ARKK | ILDR |
|---|---|---|
| ADVANCED MICRO DEVICES | 2.72% | 5.79% |
| NVIDIA CORP | 2.45% | 9.78% |
| AMAZON.COM INC | 2.31% | 5.79% |
| TESLA INC | 9.26% | 1.82% |
| SHOPIFY INC - CLASS A | 2.86% | 1.81% |
| BROADCOM INC | 1.65% | 3.57% |
| META PLATFORMS INC-CLASS A | 1.89% | 1.11% |
| ROBINHOOD MARKETS INC - A | 4.19% | 1.09% |
| PALANTIR TECHNOLOGIES INC-A | 2.60% | 0.97% |
| COINBASE GLOBAL INC -CLASS A | 4.67% | 0.82% |
| BLOCK INC | 2.28% | 0.69% |
| CLOUDFLARE INC - CLASS A | 1.32% | 0.63% |
| Only in ARKK | Only in ILDR |
|---|---|
| TEMPUS AI INC-CL A 5.92% | Alphabet Inc. (Class A) 4.81% |
| CIRCLE INTERNET GROUP INC 5.20% | Marvell Technology, Inc. 3.13% |
| CRISPR THERAPEUTICS AG 4.64% | Micron Technology, Inc. 2.80% |
| TWIST BIOSCIENCE CORP 3.95% | Microsoft Corporation 2.70% |
| 10X GENOMICS INC-CLASS A 3.39% | Oracle Corporation 2.67% |
| CEREBRAS SYSTEMS INC - A 2.59% | Arista Networks, Inc. 2.46% |
| COREWEAVE INC-CL A 2.46% | Eaton Corporation Plc 2.07% |
| BEAM THERAPEUTICS INC 2.36% | Schneider Electric SE 1.80% |
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 Sep 18, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ARKK | ILDR | ARKK | ILDR | ARKK | ILDR | |
| 3 months | +10.0% | +0.3% | +7.8 pts | −1.9 pts | +12.5 pts | +2.8 pts |
| 6 months | +27.6% | +31.0% | +9.6 pts | +12.9 pts | +3.4 pts | +6.7 pts |
| 1 year | +6.1% | +19.9% | −10.5 pts | +3.3 pts | −15.7 pts | −1.9 pts |
| 3 years | +112.5% | +120.9% | +34.1 pts | +42.5 pts | +14.4 pts | +22.7 pts |
| Since launch | +378.7% | +92.7% | +17.3 pts | −3.0 pts | −299.9 pts | −30.0 pts |
| ARKK ARK Innovation ETF Holds 46 stocks in broad innovation and megatrends, 36% of its weight in S&P 500 companies | ILDR First Trust Innovation Leaders ETF Holds 82 stocks in broad innovation and megatrends, 66% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | ARK | First Trust |
| Theme | Broad innovation and megatrends | Broad innovation and megatrends |
| In the S&P 500 | 36.2% | 65.8% |
| Active share vs the S&P 500 | 85.7% | 67.1% |
| In the Nasdaq-100 | 27.3% | 49.0% |
| Holdings | 46 | 82 |
| Top ten, share of the fund | 49.7% | 44.1% |
| Expense ratio | 0.75% | 0.75% |
| Fee for the differing part | 0.88% | 1.12% |
| Total return, 1 year | +6.1% | +19.9% |
| vs the S&P 500 | −10.5 pts | +3.3 pts |
| vs the Nasdaq-100 | −15.7 pts | −1.9 pts |
| Below its high | −42.9% | −3.5% |
| Net assets | $9.3bn | $342m |
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 21, 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.
ILDR in plain words
By weight, 66% of ILDR's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 67%. The top ten holdings are 44% of the fund across 82 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +19.9% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 3.3 pts.
Questions people ask
- Do ARKK and ILDR hold the same stocks?
- By their latest filings, 21% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, ARKK or ILDR?
- ARKK has 36% of its weight in S&P 500 names and ILDR has 66%, so ARKK differs more from the index.
- Which is cheaper, ARKK or ILDR?
- ARKK charges 0.75% a year and ILDR charges 0.75%, 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 ILDR, data as of Sep 18, 2026. https://etfiq.com/compare/themes/arkk-vs-ildr Free to use with attribution; the underlying files are at Open data.