ACSGvsMMSCETF Comparison
ETF 1
ACSG
American Century Small Cap Growth Insights ETF
This fund is part of
US Small Cap Growth
-0.14%
VS
ETF 2
MMSC
First Trust Multi-Manager Small Cap Opportunities ETF
This fund is part of
US Small Cap Growth
-0.14%
American Century Small Cap Growth Insights ETF (ACSG) and First Trust Multi-Manager Small Cap Opportunities ETF (MMSC) belong to the same industry segment: US Small Cap Growth. Both ETFs have the same top 3 sector exposures: Healthcare, Technology and Industrials. ACSG is less expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.95% for MMSC. ACSG is up 13.96% year-to-date (YTD) with +$43M in YTD flows. MMSC performs worse with 11.83% YTD performance, and +$11M in YTD flows. Run a side-by-side ETF comparison of ACSG and MMSC 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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ACSG vs MMSC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ACSG MMSC | -8.51%-8.46% | -2.66%-5.86% | +13.96%+11.83% | n/a+17.91% | n/a+69.52% | n/an/a |
| Flows | ACSG MMSC | +$21M+$3M | +$32M+$3M | +$43M+$11M | -+$19M | -+$33M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ACSG MMSC | +18.45%+20.35% | n/a+24.01% | n/a+23.01% | n/an/a |
| Max drawdown | ACSG MMSC | -8.52%-9.83% | n/a-14.05% | n/a-29.67% | n/an/a |
| Max drawdown duration | ACSG MMSC | 31d77d | n/a84d | n/a280d | n/an/a |
Trading data
ACSG | MMSC | |
Last sale 9/17/2026 at 1:30 PM | $27.04 | |
| Previous close 09/16/2026 | $26.75 | |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/17/2026 at 1:30 PM
Live
Closed
ACSG | MMSC | |
|---|---|---|
| Last price | – | $27.04 |
| 1D performance | – | +1.10% |
| AuM | $50.59 M | $52.19 M |
| E/R | 0.49% | 0.95% |
Characteristics
ACSG | MMSC | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | First Trust |
| Benchmark | - | - |
| N° of holdings | 297 | 200 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 14, 2025 | October 14, 2021 |
| ESG | No | No |
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Exposure
Countries
ACSG
USA
93.41%
Other
6.59%
MMSC
USA
89.5%
Other
10.5%
Sectors
ACSG
Healthcare
27.11%
Technology
16.77%
Industrials
15.92%
Finance
14.55%
Other
25.66%
MMSC
Healthcare
26.46%
Technology
22.84%
Industrials
17.17%
Finance
10.91%
Other
22.62%
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Diversification
ACSG
Total weight of top 15 holdings out of 15
12.13%
MMSC
Total weight of top 15 holdings out of 15
18.2%
Top 15 holdings
Data as of July 31, 2026
ACSG
Krystal Biotech, Inc.
1.06%
Plexus Corp.
0.96%
Hexcel Corp.
0.92%
AAR Corp.
0.85%
10X Genomics, Inc.
0.85%
CECO Environmental Corp.
0.84%
ESCO Technologies, Inc.
0.81%
Argan, Inc.
0.81%
Crinetics Pharmaceuticals, Inc.
0.77%
Life Time Group Holdings, Inc.
0.73%
Littelfuse, Inc.
0.72%
Sensient Technologies Corp.
0.71%
Enova International, Inc.
0.70%
Novanta, Inc.
0.70%
Miami International Holdings, Inc.
0.70%
MMSC
Twist Bioscience Corp.
1.86%
Travere Therapeutics, Inc.
1.49%
Xometry, Inc.
1.44%
JFrog Ltd.
1.35%
Guardant Health, Inc.
1.28%
Zeta Global Holdings Corp.
1.23%
VSE Corp.
1.20%
Spyre Therapeutics, Inc.
1.19%
FirstCash Holdings, Inc.
1.18%
Praxis Precision Medicines, Inc.
1.10%
Protagonist Therapeutics, Inc.
1.02%
Karman Holdings, Inc.
0.98%
Halozyme Therapeutics, Inc.
0.96%
Ligand Pharmaceuticals, Inc.
0.96%
nLIGHT, Inc.
0.96%
Frequently asked questions about ACSG and MMSC
How have the ACSG and MMSC ETFs performed in 2026?
As of September 16, 2026, ACSG is up 13.96% year-to-date (YTD), while MMSC has returned 11.83%. That puts ACSG better performer ahead so far this year.
Which ETF is attracting more investor money: ACSG or MMSC?
Year-to-date, the ACSG ETF saw +$43M in flows, compared to +$11M for MMSC.
Which ETF is bigger: ACSG or MMSC?
As of September 16, 2026, ACSG holds $50.59 M in assets under management (AUM), while MMSC manages $52.19 M.
What sectors do the ACSG and MMSC ETFs invest in?
ACSG leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, MMSC focuses on Healthcare, Technology and Industrials.
What are the top holdings of the ACSG ETF and MMSC ETF?
ACSG top holdings include Krystal Biotech, Inc., Plexus Corp. and Hexcel Corp.. MMSC holds in its top three: Twist Bioscience Corp., Travere Therapeutics, Inc. and Xometry, Inc..
Which ETF is more diversified: ACSG or MMSC?
ACSG holds 300 securities with 12.13% of its assets in the top 15. MMSC has 200 securities and a top 15 weight of 18.2%.
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