Data as of .
BLOK vs IBLC: which is really different?
BLOK and IBLC hold 38% of their weight in the same names, and BLOK returned more over the year.
ETFIQ Off-Index Score: IBLC 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
38% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, BLOK and IBLC hold 38% of their money in the same securities at the same weight.
| Holding | BLOK | IBLC |
|---|---|---|
| HUT 8 CORP | 3.79% | 6.49% |
| Cipher Digital Inc | 3.95% | 3.69% |
| Terawulf Inc | 3.56% | 3.51% |
| Advanced Micro Devices Inc | 3.29% | 4.56% |
| Coinbase Global Inc | 2.94% | 12.29% |
| Galaxy Digital Inc | 3.72% | 2.76% |
| Applied Digital Corp | 2.48% | 4.37% |
| Core Scientific Inc | 2.40% | 3.26% |
| International Business Machines Corp | 2.32% | 3.33% |
| Cleanspark Inc | 3.16% | 2.11% |
| NVIDIA Corp | 1.81% | 3.76% |
| Riot Platforms Inc | 1.59% | 4.88% |
| Only in BLOK | Only in IBLC |
|---|---|
| Figure Technology Solutions Inc 4.45% | TENCENT HOLDINGS 3.68% |
| Dell Technologies Inc 3.07% | MARA HOLDINGS 2.95% |
| Opera Ltd 3.06% | IONIC DIGITAL INC CLASS A 2.02% |
| SBI Holdings Inc 2.79% | KEEL INFRASTRUCTURE CORP 1.46% |
| NU Holdings Ltd/Cayman Islands 2.62% | INFINEON TECHNOLOGIES AG 1.29% |
| Block Inc 2.29% | BITDEER TECHNOLOGIES GROUP CLASS A 1.11% |
| Blackrock Inc 2.24% | PING AN INSURANCE (GROUP) OF CHINA 1.07% |
| Neighborhood Intelligence Inc 2.08% | BULLISH 0.85% |
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 | |||
|---|---|---|---|---|---|---|
| BLOK | IBLC | BLOK | IBLC | BLOK | IBLC | |
| 3 months | −2.8% | −7.8% | −5.0 pts | −10.0 pts | −0.3 pts | −5.3 pts |
| 6 months | +26.2% | +23.1% | +8.2 pts | +5.1 pts | +2.0 pts | −1.1 pts |
| 1 year | −1.8% | −3.5% | −18.4 pts | −20.1 pts | −23.6 pts | −25.3 pts |
| 3 years | +236.4% | +212.2% | +158.1 pts | +133.8 pts | +138.3 pts | +114.0 pts |
| Since launch | +317.0% | +131.6% | +105.8 pts | +37.7 pts | −43.2 pts | −2.2 pts |
| BLOK Amplify Blockchain Technology ETF Holds 55 stocks in blockchain and crypto equities, 30% of its weight in S&P 500 companies | IBLC iShares Blockchain and Tech ETF Holds 50 stocks in blockchain and crypto equities, 35% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Amplify | iShares |
| Theme | Blockchain and crypto equities | Blockchain and crypto equities |
| In the S&P 500 | 30.0% | 35.2% |
| Active share vs the S&P 500 | 92.3% | 92.7% |
| In the Nasdaq-100 | 11.8% | 10.2% |
| Holdings | 55 | 50 |
| Top ten, share of the fund | 36.4% | 65.9% |
| Expense ratio | 0.70% | 0.47% |
| Fee for the differing part | 0.76% | 0.51% |
| Total return, 1 year | −1.8% | −3.5% |
| vs the S&P 500 | −18.4 pts | −20.1 pts |
| vs the Nasdaq-100 | −23.6 pts | −25.3 pts |
| Below its high | −11.7% | −20.7% |
| Net assets | $1.1bn | $89m |
BLOK in plain words
By weight, 30% of BLOK'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 36% of the fund across 55 positions, as published by its issuer for Sep 21, 2026. Over the year to Sep 18, 2026 the fund returned −1.8% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 18.4 pts. It sits 11.7% below its all-time high of Oct 9, 2025.
IBLC in plain words
By weight, 35% of IBLC's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 66% of the fund across 50 positions, as published by its issuer for Sep 18, 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 20.1 pts. It sits 20.7% below its all-time high of Oct 15, 2025.
Questions people ask
- Do BLOK and IBLC hold the same stocks?
- By their latest filings, 38% 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, BLOK or IBLC?
- BLOK has 30% of its weight in S&P 500 names and IBLC has 35%, so IBLC differs more from the index.
- Which is cheaper, BLOK or IBLC?
- BLOK charges 0.70% a year and IBLC charges 0.47%, so IBLC 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, BLOK against IBLC, data as of Sep 18, 2026. https://etfiq.com/compare/themes/blok-vs-iblc Free to use with attribution; the underlying files are at Open data.