ACMGvsJMIDETF Comparison
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American Century Mid Cap Growth Impact ETF (ACMG) and Janus Henderson Mid Cap Growth Alpha ETF (JMID) belong to the same industry segment: US Mid Cap Growth. In contrast, JMID's top sector exposures are Technology, Industrials and Healthcare. ACMG is more expensive with a Total Expense Ratio (TER) of 0.45%, versus 0.3% for JMID. ACMG is up 12.41% year-to-date (YTD) with +$37M in YTD flows. JMID performs worse with 11.55% YTD performance, and +$971K in YTD flows. Run a side-by-side ETF comparison of ACMG and JMID 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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ACMG vs JMID performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ACMG JMID | +5.61%+3.77% | +4.18%+4.26% | +12.41%+11.55% | +8.87%+9.43% | +64.42%n/a | +28.77%n/a |
| Flows | ACMG JMID | +$36M-$778K | +$38M-$2M | +$37M+$971K | +$45M-$5M | +$66M- | +$95M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ACMG JMID | +16.92%+15.94% | +19.37%+17.52% | +20.36%n/a | +24.10%n/a |
| Max drawdown | ACMG JMID | -6.82%-6.68% | -14.34%-10.82% | -23.84%n/a | -40.04%n/a |
| Max drawdown duration | ACMG JMID | 34d57d | 214d171d | 154dn/a | 1060dn/a |
Trading data
ACMG | JMID | |
Last sale 10/12/2026 at 5:28 PM | $32.38 | |
| Previous close 10/09/2026 | $32.70 | |
| Consolidated volume 10/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/12/2026 at 5:28 PM
Live
Closed
ACMG | JMID | |
|---|---|---|
| Last price | – | $32.38 |
| 1D performance | – | -0.97% |
| AuM | $145.57 M | $23.44 M |
| E/R | 0.45% | 0.3% |
Characteristics
ACMG | JMID | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | Janus Henderson Investors |
| Benchmark | - | - |
| N° of holdings | - | 93 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 15, 2020 | September 17, 2024 |
| ESG | Yes | No |
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Exposure
Countries
ACMG
Data will be available soon
JMID
USA
97.71%
Other
2.29%
Sectors
ACMG
Data will be available soon
JMID
Technology
37.78%
Industrials
14.14%
Healthcare
12.69%
Finance
8.76%
Consumer Services
7.53%
Other
19.09%
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Diversification
ACMG
Data will be available soon
JMID
Total weight of top 15 holdings out of 15
33.67%
Top 15 holdings
Data as of January 1, 1970
ACMG
Data will be available soon
JMID
DexCom, Inc.
2.87%
Snowflake, Inc.
2.71%
Comfort Systems USA, Inc.
2.64%
Expedia Group, Inc.
2.51%
Halozyme Therapeutics, Inc.
2.39%
Lumentum Holdings, Inc.
2.31%
Teradyne, Inc.
2.25%
GoDaddy, Inc.
2.11%
NetApp, Inc.
2.09%
Gartner, Inc.
2.06%
H&R Block, Inc.
2.00%
Gen Digital, Inc.
1.97%
Datadog, Inc.
1.96%
HEICO Corp.
1.90%
Workday, Inc.
1.90%
Frequently asked questions about ACMG and JMID
How have the ACMG and JMID ETFs performed in 2026?
As of October 9, 2026, ACMG is up 12.41% year-to-date (YTD), while JMID has returned 11.55%. That puts ACMG better performer ahead so far this year.
Which ETF is attracting more investor money: ACMG or JMID?
Year-to-date, the ACMG ETF saw +$37M in flows, compared to +$971K for JMID.
Which ETF is more volatile: ACMG or JMID?
Over the past year, ACMG had a volatility of 19.37%, while JMID experienced 17.52%.
Which ETF is bigger: ACMG or JMID?
As of October 9, 2026, ACMG holds $145.57 M in assets under management (AUM), while JMID manages $23.44 M.
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