OAIW vs THRO
OpenAI Lab Ecosystem ETF vs iShares US Thematic Rotation Active ETF
Which is better, OAIW or THRO?
THRO costs less.
THRO has a lower expense ratio. THRO is less concentrated, with 43.5% of the fund in its ten largest positions against 60.5%.
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 | OAIW | THRO |
|---|---|---|
| Expense Ratio | 0.59% | 0.57%Best |
| AUM | $6M | $7.5B |
| Dividend Yield | 0.00% | 0.30% |
| Holdings | 25 | 251 |
| YTD Return | -10.04% | +14.55%Best |
| 1Y Return | - | +18.23% |
| 3Y Return (annualized) | - | +23.72% |
| Top 10 Weight | 60.5% | 43.5%Best |
| Fund Family | Harbor Funds | BlackRock, Inc. (US) |
| Category | Equity | Equity |
| Style | Large Cap Growth | Large Cap Growth |
| Inception | Aug 12, 2026 | Dec 14, 2021 |
Not shown on this pair: 5Y Return (annualized), Volatility (annualized), Max Drawdown, $10,000 over the window.
OAIW vs THRO 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.
OAIW vs THRO Performance
OpenAI Lab Ecosystem ETF (OAIW) is an ETF from Harbor Funds and iShares US Thematic Rotation Active ETF (THRO) is an ETF from BlackRock, Inc. (US). Year to date, OAIW is down 10.04% versus a gain of 14.55% for THRO.
Past performance does not guarantee future results.
Fees and Cost Over Time
OAIW charges 0.59% per year while THRO charges 0.57%. On a $10,000 position that is $59 vs $57 annually, a gap of $2 per year that compounds over a long holding period. On income, OAIW currently yields 0.00% against 0.30% for THRO.
Holdings Overlap
48.2% of OAIW's money is in holdings THRO also owns. 25.2% of THRO's money is in holdings OAIW also owns.
The two portfolios partly overlap.
12 positions in common, counted across the 26 positions we hold weights for in OAIW and 247 in THRO, against full books of 25 and 251.
What only one of them owns
Our book lists 152 positions for THRO that do not appear in our book for OAIW (73.7% of the fund), and 8 for OAIW that do not appear in THRO (25.7%).
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 OAIW | Weight in THRO | Difference |
|---|---|---|---|
| MSFTMicrosoft Corp | 7.58% | 6.24% | 1.34% |
| NVDANvidia Corp | 5.11% | 8.58% | 3.47% |
| AMZNAmazon.Com Inc | 5.62% | 4.47% | 1.15% |
| AVGOBroadcom Inc | 4.38% | 2.11% | 2.27% |
| ORCLOracle Corp - Common | 6.09% | 0.02% | 6.07% |
| AMDAdvanced Micro Devices Inc | 3.05% | 1.99% | 1.06% |
| BECfd Bloom Energy Corp- A | 4.29% | 0.11% | 4.18% |
| FLEX:SIFlex Ltd | 3.65% | 0.02% | 3.63% |
| CSCOCisco Systems Inc. - Ordinary Shares | 2.02% | 1.56% | 0.46% |
| GLWCorning Inc. | 2.56% | 0.00% | 2.56% |
48.2% of OAIW is already inside THRO.
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, OAIW or THRO?
OAIW has an expense ratio of 0.59% while THRO charges 0.57%. THRO is the cheaper option, by $2 a year on a $10,000 investment.
What is the holdings overlap between OAIW and THRO?
48.2% of OAIW's money is in holdings THRO also owns. 25.2% of THRO's is in holdings OAIW also owns. They hold 12 positions in common, counted across the 26 positions we hold weights for in OAIW and 247 in THRO.
Which pays a higher dividend, OAIW or THRO?
OAIW yields 0.00% while THRO yields 0.30%, so THRO currently pays the higher dividend yield.
Is THRO better than OAIW?
THRO has a lower expense ratio. THRO is less concentrated, with 43.5% of the fund in its ten largest positions against 60.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.