MCDSvsMMIDETF Comparison
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JPMorgan Fundamental Data Science Mid Core ETF (MCDS) belongs to the US Mid Cap segment. MFS Active Mid Cap ETF (MMID) is part of the Uncategorized Equities segment. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. MCDS is less expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.59% for MMID. MCDS is up 14.51% year-to-date (YTD) with - in YTD flows. MMID performs worse with 4.26% YTD performance, and +$1M in YTD flows. Run a side-by-side ETF comparison of MCDS and MMID 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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MCDS vs MMID performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MCDS MMID | +5.70%+4.91% | +13.23%+6.33% | +14.51%+4.26% | +23.98%n/a | n/an/a | n/an/a |
| Flows | MCDS MMID | --$3K | -+$515K | -+$1M | +$7K- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MCDS MMID | +15.08%+13.40% | +13.41%n/a | n/an/a | n/an/a |
| Max drawdown | MCDS MMID | -3.13%-5.64% | -7.49%n/a | n/an/a | n/an/a |
| Max drawdown duration | MCDS MMID | 16d52d | 46dn/a | n/an/a | n/an/a |
Trading data
MCDS | MMID | |
Last sale 6/18/2026 at 1:30 PM | $66.98 | $26.01 |
| Previous close 06/18/2026 | $66.47 | $25.80 |
| Consolidated volume 06/18/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 6/18/2026 at 1:30 PM
Live
Closed
MCDS | MMID | |
|---|---|---|
| Last price | $66.98 | $26.01 |
| 1D performance | +0.77% | +0.82% |
| AuM | $8.03 M | $34.56 M |
| E/R | 0.35% | 0.59% |
Characteristics
MCDS | MMID | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | J.P. Morgan Asset Management | MFS |
| Benchmark | - | - |
| N° of holdings | 174 | 88 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | August 7, 2024 | September 24, 2025 |
| ESG | No | No |
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Exposure
Countries
MCDS
USA
94.29%
Other
5.71%
MMID
USA
79.28%
Ireland
7.17%
Other
13.55%
Sectors
MCDS
Industrials
17.65%
Information Techn.
16.13%
Financials
13.29%
Consumer Discreti.
10.58%
Health Care
8.17%
Real Estate
7.05%
Other
27.13%
MMID
Industrials
18.07%
Information Techn.
13%
Financials
11.89%
Consumer Discreti.
8.2%
Real Estate
7.29%
Utilities
7.16%
Other
34.39%
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Diversification
MCDS
Total weight of top 15 holdings out of 15
19.44%
MMID
Total weight of top 15 holdings out of 15
21.87%
Top 15 holdings
Data as of April 30, 2026
MCDS
WESTERN DIGITAL
2.35%
TERADYNE
1.90%
HOWMET AEROSPACE INC
1.59%
HILTON INC
1.30%
QUANTA SERVICES
1.25%
STATE STREET
1.22%
ROSS STORES
1.21%
WABTEC
1.16%
DOVER
1.15%
VERTIV HOLDINGS
1.08%
CARDINAL HEALTH
1.07%
MARATHON PETROLEUM
1.06%
CMS ENERGY
1.05%
M&T BANK
1.02%
ENTERGY
1.02%
MMID
DIAMONDBACK ENERGY
1.73%
CHENIERE ENERGY
1.66%
ROSS STORES
1.65%
NVENT ELECTRIC PLC
1.63%
LITTELFUSE
1.53%
ELEMENT SOLUTIONS INC
1.51%
WABTEC
1.43%
MICROCHIP TECHNOLOGY
1.42%
BURLINGTON STORES
1.39%
WW GRAINGER
1.37%
ALLIANT ENERGY
1.37%
ENTEGRIS
1.31%
PPL
1.30%
SITEONE LANDSCAPE SUPPLY INC
1.29%
M&T BANK
1.28%
Frequently asked questions about MCDS and MMID
How have the MCDS and MMID ETFs performed in 2026?
As of June 18, 2026, MCDS is up 14.51% year-to-date (YTD), while MMID has returned 4.26%. That puts MCDS better performer ahead so far this year.
Which ETF is attracting more investor money: MCDS or MMID?
Year-to-date, the MCDS ETF saw - in flows, compared to +$1M for MMID.
Which ETF is bigger: MCDS or MMID?
As of June 18, 2026, MCDS holds $8.03 M in assets under management (AUM), while MMID manages $34.56 M.
What sectors do the MCDS and MMID ETFs invest in?
MCDS leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, MMID focuses on Industrials, Information Technology and Financials.
What are the top holdings of the MCDS ETF and MMID ETF?
MCDS top holdings include WESTERN DIGITAL, TERADYNE and HOWMET AEROSPACE INC. MMID holds in its top three: DIAMONDBACK ENERGY, CHENIERE ENERGY and ROSS STORES.
Which ETF is more diversified: MCDS or MMID?
MCDS holds 180 securities with 19.44% of its assets in the top 15. MMID has 90 securities and a top 15 weight of 21.87%.
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