BUI vs OAKM
BlackRock Utility Infrastructure & Power Opportunities Trust vs Oakmark US Large Cap ETF
Which is better, BUI or OAKM?
Each has led over a different period.
OAKM has a lower expense ratio. BUI led over the full window, OAKM over 1Y. OAKM is less concentrated, with 35.0% of the fund in its ten largest positions against 39.6%.
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 | BUI | OAKM |
|---|---|---|
| Expense Ratio | 1.07% | 0.59%Best |
| AUM | $687M | $1.1B |
| Dividend Yield | 10.99% | 0.65% |
| Holdings | 54 | 41 |
| YTD Return | +3.71% | +6.05%Best |
| 1Y Return | +6.35% | +14.80%Best |
| 3Y Return (annualized) | +15.33% | - |
| 5Y Return (annualized) | +7.84% | - |
| Volatility (annualized) | 18.5% | 12.2%Best |
| Max Drawdown | -17.2% | -15.2%Best |
| $10,000 over 1.9 years | $12,667Best | $12,344 |
| Top 10 Weight | 39.6% | 35.0%Best |
| Fund Family | BlackRock, Inc. (US) | Oakmark Funds |
| Category | Equity | Equity |
| Style | Large Cap Value | Large Cap Value |
| Inception | Nov 23, 2011 | Dec 3, 2024 |
Volatility and max drawdown, and the $10,000 over 1.9 years row, are measured over the window both funds cover: Dec 3, 2024 to Oct 14, 2026 (1.9 years).
BUI vs OAKM 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 covers the 1.9 years both funds cover.
BUI vs OAKM Performance
BlackRock Utility Infrastructure & Power Opportunities Trust (BUI) is an ETF from BlackRock, Inc. (US) and Oakmark US Large Cap ETF (OAKM) is an ETF from Oakmark Funds. Over the past year BUI returned +6.35% while OAKM returned +14.80%. Year to date, BUI is up 3.71% versus a gain of 6.05% for OAKM.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
BUI has been the more volatile fund, with annualized monthly volatility of 18.5% compared with 12.2% for OAKM. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -17.2% for BUI and -15.2% for OAKM. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.22. They move largely independently of each other.
Fees and Cost Over Time
BUI charges 1.07% per year while OAKM charges 0.59%. On a $10,000 position that is $107 vs $59 annually, a gap of $48 per year that compounds over a long holding period. On income, BUI currently yields 10.99% against 0.65% for OAKM.
Holdings Overlap
7.4% of BUI's money is in holdings OAKM also owns. 6.0% of OAKM's money is in holdings BUI also owns.
BUI and OAKM share little of their money.
The two holdings books were reported 93 days apart, BUI as of Jun 30, 2026 and OAKM as of Oct 1, 2026, so some of the difference between them is the time between the two reports rather than the funds.
2 positions in common, counted across the 54 positions we hold weights for in BUI and 39 in OAKM, against full books of 54 and 41.
What only one of them owns
Our book lists 34 positions for OAKM that do not appear in our book for BUI (86.9% of the fund), and 30 for BUI that do not appear in OAKM (62.0%).
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.
You are not choosing between two funds in isolation.
Whichever of BUI and OAKM you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, BUI or OAKM?
BUI has an expense ratio of 1.07% while OAKM charges 0.59%. OAKM is the cheaper option, by $48 a year on a $10,000 investment.
Which performed better, BUI or OAKM?
Over the past year BUI returned +6.35% vs +14.80% for OAKM, so OAKM leads on 1-year performance. Over the longest common window we track (2 years), BUI annualized +13.25% vs +11.72% for OAKM. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, BUI or OAKM?
BUI has been the more volatile fund at 18.5% annualized versus 12.2% for OAKM. Worst drawdown: BUI -17.2% vs OAKM -15.2%.
Should I hold both BUI and OAKM?
BUI and OAKM have a monthly-return correlation of 0.22, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between BUI and OAKM?
7.4% of BUI's money is in holdings OAKM also owns. 6.0% of OAKM's is in holdings BUI also owns. They hold 2 positions in common, counted across the 54 positions we hold weights for in BUI and 39 in OAKM.
Which pays a higher dividend, BUI or OAKM?
BUI yields 10.99% while OAKM yields 0.65%, so BUI currently pays the higher dividend yield.
Is OAKM better than BUI?
OAKM has a lower expense ratio. BUI led over the full window, OAKM over 1Y. OAKM is less concentrated, with 35.0% of the fund in its ten largest positions against 39.6%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.