BAI vs BCTK
iShares AI Innovation and Tech Active ETF vs Baron Technology ETF
Which is better, BAI or BCTK?
BAI has been ahead.
BAI has a lower expense ratio. BAI led over 1Y. BAI is less concentrated, with 42.0% of the fund in its ten largest positions against 57.9%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | BAI | BCTK |
|---|---|---|
| Expense Ratio | 0.55%Best | 0.75% |
| AUM | $14.2B | - |
| Dividend Yield | 1.26% | 0.16% |
| Holdings | 55 | 40 |
| YTD Return | +30.13%Best | +17.64% |
| 1Y Return | +30.79% | - |
| Top 10 Weight | 42.0%Best | 57.9% |
| Fund Family | iShares by BlackRock (US) | Baron Funds |
| Category | Equity | Equity |
| Style | Large Cap Growth | Large Cap Growth |
| Inception | Oct 21, 2024 | Dec 12, 2025 |
Not shown on this pair: 3Y Return (annualized), 5Y Return (annualized), Volatility (annualized), Max Drawdown, $10,000 over the window.
BAI vs BCTK growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
BAI vs BCTK Performance
iShares AI Innovation and Tech Active ETF (BAI) is an ETF from iShares by BlackRock (US) and Baron Technology ETF (BCTK) is an ETF from Baron Funds. Year to date, BAI is up 30.13% versus a gain of 17.64% for BCTK.
Past performance does not guarantee future results.
Fees and Cost Over Time
BAI charges 0.55% per year while BCTK charges 0.75%. On a $10,000 position that is $55 vs $75 annually, a gap of $20 per year that compounds over a long holding period. On income, BAI currently yields 1.26% against 0.16% for BCTK.
Holdings Overlap
46.3% of BAI's money is in holdings BCTK also owns. 57.4% of BCTK's money is in holdings BAI also owns.
The two portfolios partly overlap.
14 positions in common, counted across the 50 positions we hold weights for in BAI and 39 in BCTK, against full books of 55 and 40.
What only one of them owns
Our book lists 20 positions for BCTK that do not appear in our book for BAI (34.9% of the fund), and 24 for BAI that do not appear in BCTK (34.3%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in BAI | Weight in BCTK | Difference |
|---|---|---|---|
| 2330:TWTaiwan Semiconductor Manufacturing Co Ltd | 4.74% | 7.78% | 3.04% |
| NVDANvidia Corp | 5.30% | 7.12% | 1.82% |
| MUMicron Technology, Inc. | 6.46% | 4.78% | 1.68% |
| LRCXLrcx Uw Equity | 4.05% | 6.61% | 2.56% |
| AVGOBroadcom Inc | 4.75% | 5.02% | 0.27% |
| SPCXSpace Exploration Technologies | 3.06% | 6.67% | 3.61% |
| AMDAdvanced Micro Devices Inc | 4.87% | 3.73% | 1.14% |
| AMZNAmazon.Com Inc | 2.05% | 4.58% | 2.53% |
| LITELumentum Holdings Inc | 2.87% | 1.97% | 0.90% |
| TSLATesla Inc | 0.94% | 3.30% | 2.36% |
57.4% of BCTK is already inside BAI.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
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Frequently Asked Questions
Which is cheaper, BAI or BCTK?
BAI has an expense ratio of 0.55% while BCTK charges 0.75%. BAI is the cheaper option, by $20 a year on a $10,000 investment.
What is the holdings overlap between BAI and BCTK?
57.4% of BCTK's money is in holdings BAI also owns. 57.4% of BCTK's is in holdings BAI also owns. They hold 14 positions in common, counted across the 50 positions we hold weights for in BAI and 39 in BCTK.
Which pays a higher dividend, BAI or BCTK?
BAI yields 1.26% while BCTK yields 0.16%, so BAI currently pays the higher dividend yield.
Is BCTK better than BAI?
BAI has a lower expense ratio. BAI led over 1Y. BAI is less concentrated, with 42.0% of the fund in its ten largest positions against 57.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.