RWKvsMDYETF Comparison
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Invesco S&P MidCap 400 Revenue ETF (RWK) and State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) belong to the same industry segment: US Mid Cap. RWK's top 3 sector exposures are Industrials, Finance and Consumer Cyclicals. In contrast, MDY's top sector exposures are Finance, Industrials and Technology. RWK is more expensive with a Total Expense Ratio (TER) of 0.39%, versus 0.23% for MDY. RWK is up 15.76% year-to-date (YTD) with +$105M in YTD flows. MDY performs worse with 11.68% YTD performance, and -$989M in YTD flows. Run a side-by-side ETF comparison of RWK and MDY 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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RWK vs MDY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | RWK MDY | +4.91%+1.87% | -2.48%-2.43% | +15.76%+11.68% | +19.42%+14.68% | +71.54%+61.64% | +65.81%+36.85% |
| Flows | RWK MDY | -$3M+$18M | +$27M+$78M | +$105M-$989M | +$121M-$573M | +$407M-$969M | +$533M-$1.50B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | RWK MDY | +11.89%+11.96% | +15.04%+14.90% | +18.33%+17.56% | +20.74%+19.62% |
| Max drawdown | RWK MDY | -8.78%-8.21% | -10.89%-8.78% | -24.50%-23.91% | -24.50%-23.91% |
| Max drawdown duration | RWK MDY | 75d75d | 67d53d | 274d379d | 274d379d |
Trading data
RWK | MDY | |
Last sale 10/30/2026 at 1:30 PM | $145.53 | $668.88 |
| Previous close 10/29/2026 | $145.63 | $676.84 |
| 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 September 30, 2026
1-year trailing difference
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RWK | MDY | |
|---|---|---|
| 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
RWK | MDY | |
|---|---|---|
| Last price | $145.53 | $668.88 |
| 1D performance | -0.07% | -1.18% |
| AuM | $1.32 B | $25.79 B |
| E/R | 0.39% | 0.23% |
Characteristics
RWK | MDY | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Invesco | State Street Investment Management |
| Benchmark | S&P MidCap 400 Revenue-Weighted Index | S&P MidCap 400 Index |
| N° of holdings | 400 | 400 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 20, 2008 | May 4, 1995 |
| ESG | No | No |
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Exposure
Countries
RWK
USA
97.42%
Other
2.58%
MDY
USA
95.38%
Other
4.62%
Sectors
RWK
Industrials
16.68%
Finance
15.93%
Consumer Cyclical.
13.6%
Consumer Non-Cycl.
12.71%
Technology
11.05%
Non-Energy Materi.
8.8%
Other
21.23%
MDY
Finance
22.28%
Industrials
16.35%
Technology
15.65%
Non-Energy Materi.
10.03%
Healthcare
9.99%
Other
25.69%
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Diversification
RWK
Total weight of top 15 holdings out of 15
25.98%
MDY
Total weight of top 15 holdings out of 15
10.72%
Top 15 holdings
Data as of September 30, 2026
RWK
Albertsons Cos., Inc.
3.36%
TD SYNNEX Corp.
2.85%
Performance Food Group Co.
2.68%
American Airlines Group, Inc.
2.51%
Molina Healthcare, Inc.
1.79%
US Foods Holding Corp.
1.59%
Arrow Electronics, Inc.
1.59%
PBF Energy, Inc.
1.37%
Lithia Motors, Inc.
1.29%
HF Sinclair Corp.
1.26%
Avnet, Inc.
1.26%
Penske Automotive Group, Inc.
1.24%
Reinsurance Group of America, Inc.
1.10%
WESCO International, Inc.
1.06%
BJ's Wholesale Club Holdings, Inc.
1.03%
MDY
Twilio, Inc.
1.31%
Okta, Inc.
1.02%
TechnipFMC plc
0.78%
nVent Electric Plc
0.76%
ATI, Inc.
0.75%
Entegris, Inc.
0.69%
United Therapeutics Corp.
0.68%
XPO, Inc.
0.60%
Tenet Healthcare Corp.
0.60%
TD SYNNEX Corp.
0.60%
Roku, Inc.
0.59%
Curtiss-Wright Corp.
0.59%
Royal Gold, Inc.
0.58%
US Foods Holding Corp.
0.58%
Roivant Sciences Ltd.
0.58%
Frequently asked questions about RWK and MDY
How have the RWK and MDY ETFs performed in 2026?
As of October 30, 2026, RWK is up 15.76% year-to-date (YTD), while MDY has returned 11.68%. That puts RWK better performer ahead so far this year.
Which ETF is attracting more investor money: RWK or MDY?
Year-to-date, the RWK ETF saw +$105M in flows, compared to -$989M for MDY.
Which ETF is more volatile: RWK or MDY?
Over the past year, RWK had a volatility of 15.04%, while MDY experienced 14.9%.
Which ETF is bigger: RWK or MDY?
As of October 30, 2026, RWK holds $1.32 B in assets under management (AUM), while MDY manages $25.79 B.
What sectors do the RWK and MDY ETFs invest in?
RWK leans toward sectors like Industrials, Finance and Consumer Cyclicals. Meanwhile, MDY focuses on Finance, Industrials and Technology.
What are the top holdings of the RWK ETF and MDY ETF?
RWK top holdings include Albertsons Cos., Inc., TD SYNNEX Corp. and Performance Food Group Co.. MDY holds in its top three: Twilio, Inc., Okta, Inc. and TechnipFMC plc.
Which ETF is more diversified: RWK or MDY?
RWK holds 400 securities with 25.98% of its assets in the top 15. MDY has 400 securities and a top 15 weight of 10.72%.
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