BBMCvsMDYETF Comparison
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JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (BBMC) and State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. BBMC is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.23% for MDY. BBMC is up 11.12% year-to-date (YTD) with +$24M in YTD flows. MDY performs worse with 10.45% YTD performance, and -$532M in YTD flows. Run a side-by-side ETF comparison of BBMC 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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BBMC vs MDY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BBMC MDY | +11.36%+7.62% | +4.66%+4.81% | +11.12%+10.45% | +35.69%+29.40% | +66.44%+51.16% | +39.16%+40.67% |
| Flows | BBMC MDY | +$7M+$126M | +$30M+$23M | +$24M-$532M | -$217M-$1.01B | -$402M-$914M | -$249M-$1.76B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BBMC MDY | +19.26%+17.84% | +16.54%+15.80% | +18.74%+17.98% | +20.69%+19.85% |
| Max drawdown | BBMC MDY | -9.60%-8.78% | -9.60%-8.78% | -24.17%-23.91% | -30.03%-23.91% |
| Max drawdown duration | BBMC MDY | 46d53d | 46d53d | 275d379d | 1045d379d |
Trading data
BBMC | MDY | |
Last sale 4/28/2026 at 1:30 PM | $658.14 | |
| Previous close 04/27/2026 | $664.80 | |
| Consolidated volume 04/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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BBMC | 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 4/28/2026 at 1:30 PM
Live
Closed
BBMC | MDY | |
|---|---|---|
| Last price | – | $658.14 |
| 1D performance | – | -1.00% |
| AuM | $2.03 B | $26.08 B |
| E/R | 0.07% | 0.23% |
Characteristics
BBMC | MDY | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | J.P. Morgan Asset Management | State Street Investment Management |
| Benchmark | Morningstar US Mid Cap Target Market Exposure Extended Index | S&P MidCap 400 Index |
| N° of holdings | 506 | 381 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 14, 2020 | May 4, 1995 |
| ESG | No | No |
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Exposure
Countries
BBMC
USA
94.48%
Other
5.52%
MDY
USA
92.34%
Other
7.66%
Sectors
BBMC
Industrials
18.71%
Information Techn.
12.4%
Financials
11.64%
Consumer Discreti.
11.42%
Health Care
10.51%
Other
35.32%
MDY
Industrials
21.55%
Information Techn.
13.08%
Financials
13%
Consumer Discreti.
10.58%
Health Care
8.85%
Other
32.94%
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Diversification
BBMC
Total weight of top 15 holdings out of 15
11.27%
MDY
Total weight of top 15 holdings out of 15
10.32%
Top 15 holdings
Data as of March 31, 2026
BBMC
US80004C2008
1.93%
CIENA
1.28%
LUMENTUM HOLDINGS
1.12%
US19247G1076
0.96%
TAPESTRY INC
0.65%
TECHNIPFMC PLC
0.61%
JABIL CIRCUIT
0.58%
CASEYS GENERAL STORES
0.58%
NATERA
0.55%
CURTISS WRIGHT
0.55%
US74743L1008
0.52%
XPO LOGISTICS
0.50%
CF INDUSTRIES HOLDINGS
0.48%
ALBEMARLE
0.47%
WILLIAMS SONOMA
0.47%
MDY
TECHNIPFMC PLC
0.87%
CASEYS GENERAL STORES
0.84%
UTD THERAPEUT
0.79%
CURTISS WRIGHT
0.78%
FLEX LTD
0.75%
XPO LOGISTICS
0.71%
WOODWARD
0.66%
ROYAL GOLD
0.64%
US FOODS HOLDING CORP
0.63%
BURLINGTON STORES
0.63%
ATI INC
0.61%
MICHAEL STORES
0.61%
CARPENTER TECHNOLOGY
0.61%
NVENT ELECTRIC PLC
0.59%
TWILIO
0.59%
Frequently asked questions about BBMC and MDY
How have the BBMC and MDY ETFs performed in 2026?
As of April 27, 2026, BBMC is up 11.12% year-to-date (YTD), while MDY has returned 10.45%. That puts BBMC better performer ahead so far this year.
Which ETF is attracting more investor money: BBMC or MDY?
Year-to-date, the BBMC ETF saw +$24M in flows, compared to -$532M for MDY.
Which ETF is more volatile: BBMC or MDY?
Over the past year, BBMC had a volatility of 16.54%, while MDY experienced 15.8%.
Which ETF is bigger: BBMC or MDY?
As of April 27, 2026, BBMC holds $2.03 B in assets under management (AUM), while MDY manages $26.08 B.
What sectors do the BBMC and MDY ETFs invest in?
BBMC leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, MDY focuses on Industrials, Information Technology and Financials.
What are the top holdings of the BBMC ETF and MDY ETF?
BBMC top holdings include US80004C2008, CIENA and LUMENTUM HOLDINGS. MDY holds in its top three: TECHNIPFMC PLC, CASEYS GENERAL STORES and UTD THERAPEUT.
Which ETF is more diversified: BBMC or MDY?
BBMC holds 558 securities with 11.27% of its assets in the top 15. MDY has 399 securities and a top 15 weight of 10.32%.
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