IWR vs TMID
iShares Russell Mid-Cap ETF vs T. Rowe Price Mid-Cap Equity Research ETF
Which is better, IWR or TMID?
IWR costs less.
IWR has a lower expense ratio. IWR is less concentrated, with 7.0% of the fund in its ten largest positions against 9.6%.
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 | IWR | TMID |
|---|---|---|
| Expense Ratio | 0.18%Best | 0.47% |
| AUM | $56.7B | $12M |
| Dividend Yield | 1.19% | 0.00% |
| Holdings | 825 | 391 |
| YTD Return | +12.13%Best | +0.46% |
| 1Y Return | +14.18% | - |
| 3Y Return (annualized) | +17.55% | - |
| 5Y Return (annualized) | +7.30% | - |
| Top 10 Weight | 7.0%Best | 9.6% |
| Fund Family | iShares by BlackRock (US) | T.Rowe Price |
| Category | Equity | Equity |
| Style | Mid Cap Blend | Mid Cap Blend |
| Inception | Jul 17, 2001 | Sep 16, 2026 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
IWR vs TMID 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.
IWR vs TMID Performance
iShares Russell Mid-Cap ETF (IWR) is an ETF from iShares by BlackRock (US) and T. Rowe Price Mid-Cap Equity Research ETF (TMID) is an ETF from T.Rowe Price. Year to date, IWR is up 12.13% versus a gain of 0.46% for TMID.
Past performance does not guarantee future results.
Fees and Cost Over Time
IWR charges 0.18% per year while TMID charges 0.47%. On a $10,000 position that is $18 vs $47 annually, a gap of $29 per year that compounds over a long holding period. On income, IWR currently yields 1.19% against 0.00% for TMID.
Holdings Overlap
51.7% of IWR's money is in holdings TMID also owns. 86.8% of TMID's money is in holdings IWR also owns.
Most of TMID is already inside IWR. Owning both mostly buys the same companies twice.
331 positions in common, counted across the 823 positions we hold weights for in IWR and 391 in TMID, against full books of 825 and 391.
What only one of them owns
Our book lists 40 positions for TMID that do not appear in our book for IWR (9.0% of the fund), and 464 for IWR that do not appear in TMID (45.9%).
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 IWR | Weight in TMID | Difference |
|---|---|---|---|
| PSXPhillips 66 | 0.79% | 1.14% | 0.35% |
| SNOWSnowflake Inc | 0.85% | 0.81% | 0.04% |
| NETCloudflare Inc (180 Day Lockup) | 0.84% | 0.73% | 0.11% |
| MPCMarathon Petroleum Corp | 0.92% | 0.64% | 0.28% |
| ALNYAlnylam Pharmaceuticals Inc. | 0.23% | 1.31% | 1.08% |
| KEYSKeysight Technologies Inc. | 0.48% | 0.87% | 0.39% |
| TEAMAtlassian Corp-Cl A | 0.22% | 0.95% | 0.73% |
| DDOGDatadog Inc | 0.68% | 0.48% | 0.20% |
| LITELumentum Holdings Inc | 0.60% | 0.56% | 0.04% |
| PSTGPure Storage Inc | 0.31% | 0.80% | 0.49% |
86.8% of TMID is already inside IWR.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IWR or TMID?
IWR has an expense ratio of 0.18% while TMID charges 0.47%. IWR is the cheaper option, by $29 a year on a $10,000 investment.
What is the holdings overlap between IWR and TMID?
86.8% of TMID's money is in holdings IWR also owns. 86.8% of TMID's is in holdings IWR also owns. They hold 331 positions in common, counted across the 823 positions we hold weights for in IWR and 391 in TMID.
Which pays a higher dividend, IWR or TMID?
IWR yields 1.19% while TMID yields 0.00%, so IWR currently pays the higher dividend yield.
Is TMID better than IWR?
IWR has a lower expense ratio. IWR is less concentrated, with 7.0% of the fund in its ten largest positions against 9.6%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.