JSMLvsACSGETF Comparison
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Janus Henderson Small Cap Growth Alpha ETF (JSML) and American Century Small Cap Growth Insights ETF (ACSG) belong to the same industry segment: US Small Cap Growth. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Health Care. JSML is less expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.49% for ACSG. JSML is up 23.73% year-to-date (YTD) with +$34M in YTD flows. ACSG performs worse with 19.91% YTD performance, and +$14M in YTD flows. Run a side-by-side ETF comparison of JSML and ACSG 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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JSML vs ACSG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | JSML ACSG | +11.58%+9.30% | +29.96%+23.11% | +23.73%+19.91% | +39.31%n/a | +68.78%n/a | +41.23%n/a |
| Flows | JSML ACSG | +$4M+$6M | +$4M+$11M | +$34M+$14M | +$91M- | +$107M- | +$123M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | JSML ACSG | +26.85%+25.62% | +22.01%n/a | +22.00%n/a | +24.31%n/a |
| Max drawdown | JSML ACSG | -6.44%-6.45% | -14.79%n/a | -25.88%n/a | -37.88%n/a |
| Max drawdown duration | JSML ACSG | 11d13d | 84dn/a | 287dn/a | 1160dn/a |
Trading data
JSML | ACSG | |
Last sale 6/18/2026 at 1:30 PM | $91.01 | |
| Previous close 06/18/2026 | $88.93 | |
| 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
JSML | ACSG | |
|---|---|---|
| Last price | $91.01 | – |
| 1D performance | +2.35% | – |
| AuM | $357.37 M | $23.86 M |
| E/R | 0.3% | 0.49% |
Characteristics
JSML | ACSG | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Janus Henderson Investors | American Century Investments |
| Benchmark | - | - |
| N° of holdings | 103 | 208 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 23, 2016 | October 14, 2025 |
| ESG | No | No |
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Exposure
Countries
JSML
USA
83.1%
Other
16.9%
ACSG
USA
76.41%
Other
23.59%
Sectors
JSML
Industrials
23.88%
Information Techn.
17.81%
Health Care
16.94%
Financials
9.91%
Other
31.45%
ACSG
Industrials
21.52%
Information Techn.
19.16%
Health Care
16.93%
Consumer Discreti.
8.77%
Other
33.62%
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Diversification
JSML
Total weight of top 15 holdings out of 15
27.43%
ACSG
Total weight of top 15 holdings out of 15
17.44%
Top 15 holdings
Data as of April 30, 2026
JSML
BLOOM ENERGY CORP
3.27%
CREDO TECHNOLOGY GROUP HOLDING
2.13%
PIPER SANDLER COMPANIES
2.06%
STERLING INFRASTRUCTURE INC
1.90%
RYMAN HOSPITALITY PROPERTIES
1.88%
BRIGHTSPHERE INVESTMENT GROUP
1.87%
FABRINET
1.83%
SRVSFRST BNCSH/D
1.64%
GRIFFON
1.62%
POWELL INDUSTRIES
1.62%
VICOR
1.55%
INTERDIGITAL
1.53%
ENERSYS
1.53%
BELDEN
1.51%
CTS
1.48%
ACSG
BLOOM ENERGY CORP
3.19%
CREDO TECHNOLOGY GROUP HOLDING
1.61%
FABRINET
1.39%
STERLING INFRASTRUCTURE INC
1.21%
PLEXUS
1.01%
SILICON LABS
0.99%
RBC BEARINGS
0.98%
CECO ENVIRONMENTAL
0.97%
ARGAN
0.90%
POWELL INDUSTRIES
0.90%
MODINE MNFC CO
0.88%
VICTORY CAPITAL HOLDINGS INC
0.87%
HEXCEL
0.86%
SITIME CORP
0.85%
HAYWARD HOLDINGS
0.83%
Frequently asked questions about JSML and ACSG
How have the JSML and ACSG ETFs performed in 2026?
As of June 18, 2026, JSML is up 23.73% year-to-date (YTD), while ACSG has returned 19.91%. That puts JSML better performer ahead so far this year.
Which ETF is attracting more investor money: JSML or ACSG?
Year-to-date, the JSML ETF saw +$34M in flows, compared to +$14M for ACSG.
Which ETF is bigger: JSML or ACSG?
As of June 18, 2026, JSML holds $357.37 M in assets under management (AUM), while ACSG manages $23.86 M.
What sectors do the JSML and ACSG ETFs invest in?
JSML leans toward sectors like Industrials, Information Technology and Health Care. Meanwhile, ACSG focuses on Industrials, Information Technology and Health Care.
What are the top holdings of the JSML ETF and ACSG ETF?
JSML top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and PIPER SANDLER COMPANIES. ACSG holds in its top three: BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and FABRINET.
Which ETF is more diversified: JSML or ACSG?
JSML holds 105 securities with 27.43% of its assets in the top 15. ACSG has 208 securities and a top 15 weight of 17.44%.
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