Data as of .
BLCK vs IBLC: which is really different?
BLCK and IBLC hold 52% of their weight in the same names.
ETFIQ Off-Index Score: BLCK 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
52% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, BLCK and IBLC hold 52% of their money in the same securities at the same weight.
| Holding | BLCK | IBLC |
|---|---|---|
| Coinbase Global Inc | 7.88% | 12.29% |
| Circle Internet Group Inc | 5.94% | 10.36% |
| HUT 8 CORP | 4.93% | 6.49% |
| Riot Platforms Inc | 4.74% | 4.88% |
| IREN Ltd | 4.44% | 9.39% |
| Cipher Digital Inc | 3.95% | 3.69% |
| Terawulf Inc | 3.25% | 3.51% |
| MARA Holdings Inc | 3.80% | 2.95% |
| Galaxy Digital Inc | 3.27% | 2.76% |
| Cleanspark Inc | 3.41% | 2.11% |
| Robinhood Markets Inc | 4.96% | 1.40% |
| Bitdeer Technologies Group | 2.86% | 1.11% |
| Only in BLCK | Only in IBLC |
|---|---|
| BitMine Immersion Technologies Inc 5.58% | ADVANCED MICRO DEVICES 4.56% |
| CME Group Inc 4.74% | MASTERCARD CLASS A 3.80% |
| Figure Technology Solutions Inc 4.21% | NVIDIA 3.76% |
| GPGI Inc 2.48% | TENCENT HOLDINGS 3.68% |
| Bit Digital Inc 2.18% | INTERNATIONAL BUSINESS MACHINES 3.33% |
| CoinShares PLC 1.98% | IONIC DIGITAL INC CLASS A 2.02% |
| Block Inc 1.85% | KEEL INFRASTRUCTURE CORP 1.46% |
| Coincheck Group NV 1.63% | INFINEON TECHNOLOGIES AG 1.29% |
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.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BLCK | IBLC | BLCK | IBLC | BLCK | IBLC | |
| 3 months | −6.1% | −7.8% | −8.3 pts | −10.0 pts | −3.6 pts | −5.3 pts |
| 6 months | not published | +23.1% | not published | +5.1 pts | not published | −1.1 pts |
| 1 year | not published | −3.5% | not published | −20.1 pts | not published | −25.3 pts |
| 3 years | not published | +212.2% | not published | +133.8 pts | not published | +114.0 pts |
| Since launch | −9.7% | +131.6% | −14.0 pts | +37.7 pts | −13.5 pts | −2.2 pts |
| BLCK Corgi Crypto Infrastructure ETF Holds 34 stocks in blockchain and crypto equities, 23% 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 | Corgi | iShares |
| Theme | Blockchain and crypto equities | Blockchain and crypto equities |
| In the S&P 500 | 23.3% | 35.2% |
| Active share vs the S&P 500 | 99.5% | 92.7% |
| In the Nasdaq-100 | 2.6% | 10.2% |
| Holdings | 34 | 50 |
| Top ten, share of the fund | 51.4% | 65.9% |
| Expense ratio | 0.35% | 0.47% |
| Fee for the differing part | 0.35% | 0.51% |
| Total return, 1 year | −9.7% (since launch on May 6, 2026) | −3.5% |
| vs the S&P 500 | −14.0 pts | −20.1 pts |
| vs the Nasdaq-100 | −13.5 pts | −25.3 pts |
| Below its high | −10.4% | −20.7% |
| Net assets | $512,649 | $89m |
BLCK in plain words
By weight, 23% of BLCK'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 51% of the fund across 34 positions, as published by its issuer for Sep 18, 2026. Since it launched on May 6, 2026 the fund returned −9.7% with distributions reinvested against +4.3% for the S&P 500, so a holder was behind by 14.0 pts. It sits 10.4% below its all-time high of May 14, 2026.
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 BLCK and IBLC hold the same stocks?
- By their latest filings, 52% of their books are the same securities at the same weight, which is close to holding one of them twice. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, BLCK or IBLC?
- BLCK has 23% of its weight in S&P 500 names and IBLC has 35%, so BLCK differs more from the index.
- Which is cheaper, BLCK or IBLC?
- BLCK charges 0.35% a year and IBLC charges 0.47%, so BLCK 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, BLCK against IBLC, data as of Sep 18, 2026. https://etfiq.com/compare/themes/blck-vs-iblc Free to use with attribution; the underlying files are at Open data.