ACSGvsSLYGETF Comparison
ETF 1
ACSG
American Century Small Cap Growth Insights ETF
This fund is part of
US Small Cap Growth
+1.89%
VS
ETF 2
SLYG
State Street SPDR S&P 600 Small Cap Growth ETF
This fund is part of
US Small Cap Growth
+1.89%
American Century Small Cap Growth Insights ETF (ACSG) and State Street SPDR S&P 600 Small Cap Growth ETF (SLYG) belong to the same industry segment: US Small Cap Growth. ACSG's top 3 sector exposures are Healthcare, Technology and Industrials. In contrast, SLYG's top sector exposures are Finance, Industrials and Healthcare. ACSG is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.15% for SLYG. ACSG is up 18.95% year-to-date (YTD) with +$17M in YTD flows. SLYG performs better with 24.92% YTD performance, and +$620M in YTD flows. Run a side-by-side ETF comparison of ACSG and SLYG 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 SLYG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ACSG SLYG | -1.77%-0.58% | +7.62%+9.36% | +18.95%+24.92% | n/a+32.51% | n/a+52.25% | n/a+39.29% |
| Flows | ACSG SLYG | +$3M+$23M | +$10M+$92M | +$17M+$620M | -+$655M | -+$1.05B | -+$1.56B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ACSG SLYG | +22.52%+16.74% | n/a+17.81% | n/a+20.03% | n/a+21.52% |
| Max drawdown | ACSG SLYG | -6.51%-4.69% | n/a-9.05% | n/a-27.35% | n/a-29.18% |
| Max drawdown duration | ACSG SLYG | 34d34d | n/a41d | n/a414d | n/a980d |
Trading data
ACSG | SLYG | |
Last sale 8/4/2026 at 1:30 PM | $119.50 | |
| Previous close 08/03/2026 | $117.32 | |
| Consolidated volume 08/03/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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ACSG
is actively managed and doesn’t replicate an indexACSG | SLYG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/4/2026 at 1:30 PM
Live
Closed
ACSG | SLYG | |
|---|---|---|
| Last price | – | $119.50 |
| 1D performance | – | +1.86% |
| AuM | $26.70 M | $5.17 B |
| E/R | 0.49% | 0.15% |
Characteristics
ACSG | SLYG | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | American Century Investments | State Street Investment Management |
| Benchmark | - | S&P SmallCap 600 Growth Index |
| N° of holdings | 311 | 347 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 14, 2025 | September 25, 2000 |
| ESG | No | No |
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Exposure
Countries
ACSG
USA
93.03%
Other
6.97%
SLYG
USA
97.94%
Other
2.06%
Sectors
ACSG
Healthcare
26.05%
Technology
18.95%
Industrials
16.14%
Finance
13.12%
Other
25.75%
SLYG
Finance
22.19%
Industrials
17.06%
Healthcare
17.01%
Technology
13.56%
Other
30.19%
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Diversification
ACSG
Total weight of top 15 holdings out of 15
12.05%
SLYG
Total weight of top 15 holdings out of 15
15.36%
Top 15 holdings
Data as of June 30, 2026
ACSG
CECO Environmental Corp.
1.06%
Plexus Corp.
1.06%
Argan, Inc.
1.04%
ESCO Technologies, Inc.
0.84%
AAR Corp.
0.83%
Hexcel Corp.
0.79%
Riot Platforms, Inc.
0.78%
Hayward Holdings, Inc.
0.78%
OPENLANE, Inc.
0.76%
Novanta, Inc.
0.74%
Agilysys, Inc.
0.70%
Core Scientific, Inc.
0.70%
Littelfuse, Inc.
0.68%
Cognex Corp.
0.66%
10X Genomics, Inc.
0.65%
SLYG
FormFactor, Inc.
1.38%
ViaSat, Inc.
1.35%
Argan, Inc.
1.23%
BrightSpring Health Services, Inc.
1.22%
Krystal Biotech, Inc.
1.08%
ESCO Technologies, Inc.
1.00%
Alkermes Plc
0.96%
Everus Construction Group, Inc.
0.93%
StoneX Group, Inc.
0.92%
Corcept Therapeutics, Inc.
0.91%
Powell Industries, Inc.
0.89%
Ryman Hospitality Properties, Inc.
0.89%
Enpro, Inc.
0.88%
Federal Signal Corp.
0.86%
MYR Group, Inc.
0.86%
Frequently asked questions about ACSG and SLYG
How have the ACSG and SLYG ETFs performed in 2026?
As of August 3, 2026, ACSG is up 18.95% year-to-date (YTD), while SLYG has returned 24.92%. That puts SLYG better performer ahead so far this year.
Which ETF is attracting more investor money: ACSG or SLYG?
Year-to-date, the ACSG ETF saw +$17M in flows, compared to +$620M for SLYG.
Which ETF is bigger: ACSG or SLYG?
As of August 3, 2026, ACSG holds $26.70 M in assets under management (AUM), while SLYG manages $5.17 B.
What sectors do the ACSG and SLYG ETFs invest in?
ACSG leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, SLYG focuses on Finance, Industrials and Healthcare.
What are the top holdings of the ACSG ETF and SLYG ETF?
ACSG top holdings include CECO Environmental Corp., Plexus Corp. and Argan, Inc.. SLYG holds in its top three: FormFactor, Inc., ViaSat, Inc. and Argan, Inc..
Which ETF is more diversified: ACSG or SLYG?
ACSG holds 318 securities with 12.05% of its assets in the top 15. SLYG has 347 securities and a top 15 weight of 15.36%.
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