TMIDvsIWRETF Comparison
VS
T. Rowe Price Mid-Cap Equity Research ETF (TMID) and iShares Russell Mid-Cap ETF (IWR) belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Finance, Technology and Industrials. TMID is more expensive with a Total Expense Ratio (TER) of 0.47%, versus 0.18% for IWR. Run a side-by-side ETF comparison of TMID and IWR below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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TMID vs IWR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/29/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TMID IWR | +4.01%+3.17% | n/a+0.38% | n/a+15.28% | n/a+17.19% | n/a+75.52% | n/a+40.90% |
| Flows | TMID IWR | -$12K+$1.47B | -+$2.26B | -+$4.73B | -+$5.97B | -+$12.22B | -+$14.07B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TMID IWR | n/a+11.61% | n/a+13.48% | n/a+15.74% | n/a+18.23% |
| Max drawdown | TMID IWR | n/a-6.83% | n/a-8.16% | n/a-21.08% | n/a-26.20% |
| Max drawdown duration | TMID IWR | n/a75d | n/a49d | n/a239d | n/a854d |
Trading data
TMID | IWR | |
Last sale 10/30/2026 at 1:30 PM | $25.62 | $110.03 |
| Previous close 10/29/2026 | $25.94 | $111.56 |
| Consolidated volume 10/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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TMID
is actively managed and doesn’t replicate an indexTMID | IWR | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
TMID | IWR | |
|---|---|---|
| Last price | $25.62 | $110.03 |
| 1D performance | -1.23% | -1.37% |
| AuM | $11.68 M | $58.06 B |
| E/R | 0.47% | 0.18% |
Characteristics
TMID | IWR | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | T. Rowe Price | iShares |
| Benchmark | - | Russell Midcap Index |
| N° of holdings | 392 | 813 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 16, 2026 | July 17, 2001 |
| ESG | No | No |
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Exposure
Countries
TMID
USA
93.46%
Other
6.54%
IWR
USA
95.79%
Other
4.21%
Sectors
TMID
Finance
18.75%
Technology
16.1%
Industrials
14.58%
Healthcare
13.62%
Non-Energy Materi.
7.22%
Energy
7.07%
Other
22.66%
IWR
Finance
20.74%
Technology
17.64%
Industrials
13.87%
Healthcare
12.44%
Other
35.31%
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Diversification
TMID
Total weight of top 15 holdings out of 15
13.26%
IWR
Total weight of top 15 holdings out of 15
9.35%
Top 15 holdings
Data as of September 30, 2026
TMID
Alnylam Pharmaceuticals, Inc.
1.31%
Phillips 66
1.14%
Element Solutions, Inc.
1.05%
Atlassian Corp.
0.95%
Veralto Corp.
0.93%
Liberty Live Holdings, Inc.
0.88%
Keysight Technologies, Inc.
0.87%
TechnipFMC plc
0.86%
Snowflake, Inc.
0.81%
Modine Manufacturing Co.
0.80%
Everpure, Inc.
0.80%
PTC, Inc.
0.75%
Cloudflare, Inc.
0.73%
Permian Resources Corp.
0.70%
Veeva Systems, Inc.
0.69%
IWR
Marathon Petroleum Corp.
0.87%
Snowflake, Inc.
0.85%
Cloudflare, Inc.
0.83%
Phillips 66
0.77%
Datadog, Inc.
0.68%
Robinhood Markets, Inc.
0.65%
Hewlett Packard Enterprise Co.
0.64%
Lumentum Holdings, Inc.
0.56%
Warner Bros. Discovery, Inc.
0.56%
Moderna, Inc.
0.53%
Royal Caribbean Group
0.50%
Digital Realty Trust, Inc.
0.49%
Simon Property Group, Inc.
0.48%
Teradyne, Inc.
0.47%
United Rentals, Inc.
0.47%
Frequently asked questions about TMID and IWR
Which ETF is bigger: TMID or IWR?
As of October 29, 2026, TMID holds $11.68 M in assets under management (AUM), while IWR manages $58.06 B.
What sectors do the TMID and IWR ETFs invest in?
TMID leans toward sectors like Finance, Technology and Industrials. Meanwhile, IWR focuses on Finance, Technology and Industrials.
What are the top holdings of the TMID ETF and IWR ETF?
TMID top holdings include Alnylam Pharmaceuticals, Inc., Phillips 66 and Element Solutions, Inc.. IWR holds in its top three: Marathon Petroleum Corp., Snowflake, Inc. and Cloudflare, Inc..
Which ETF is more diversified: TMID or IWR?
TMID holds 393 securities with 13.26% of its assets in the top 15. IWR has 823 securities and a top 15 weight of 9.35%.
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