ACSGvsVTWGETF Comparison
ETF 1
ACSG
American Century Small Cap Growth Insights ETF
This fund is part of
US Small Cap Growth
-0.14%
VS
American Century Small Cap Growth Insights ETF (ACSG) and Vanguard Russell 2000 Growth ETF (VTWG) 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 more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.06% for VTWG. ACSG is up 13.96% year-to-date (YTD) with +$43M in YTD flows. VTWG performs worse with 12.09% YTD performance, and +$156M in YTD flows. Run a side-by-side ETF comparison of ACSG and VTWG 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 VTWG 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 VTWG | -8.51%-8.46% | -2.66%-5.15% | +13.96%+12.09% | n/a+15.62% | n/a+59.99% | n/a+24.21% |
| Flows | ACSG VTWG | +$21M- | +$32M+$57M | +$43M+$156M | -+$196M | -+$239M | -+$437M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ACSG VTWG | +18.45%+18.63% | n/a+22.32% | n/a+22.86% | n/a+24.78% |
| Max drawdown | ACSG VTWG | -8.52%-8.64% | n/a-14.80% | n/a-28.47% | n/a-40.46% |
| Max drawdown duration | ACSG VTWG | 31d31d | n/a84d | n/a280d | n/a1409d |
Trading data
ACSG | VTWG | |
Last sale 9/17/2026 at 1:30 PM | $266.14 | |
| Previous close 09/16/2026 | $263.99 | |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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ACSG
is actively managed and doesn’t replicate an indexACSG | VTWG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/17/2026 at 1:30 PM
Live
Closed
ACSG | VTWG | |
|---|---|---|
| Last price | – | $266.14 |
| 1D performance | – | +0.81% |
| AuM | $50.59 M | $1.44 B |
| E/R | 0.49% | 0.06% |
Characteristics
ACSG | VTWG | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | American Century Investments | Vanguard |
| Benchmark | - | Russell 2000 Growth Index |
| N° of holdings | 297 | 1113 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 14, 2025 | September 20, 2010 |
| ESG | No | No |
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Exposure
Countries
ACSG
USA
93.41%
Other
6.59%
VTWG
USA
94.1%
Other
5.9%
Sectors
ACSG
Healthcare
27.11%
Technology
16.77%
Industrials
15.92%
Finance
14.55%
Other
25.66%
VTWG
Healthcare
28.15%
Technology
17.74%
Industrials
13.58%
Finance
13.2%
Other
27.33%
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Diversification
ACSG
Total weight of top 15 holdings out of 15
12.13%
VTWG
Total weight of top 15 holdings out of 15
8.3%
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%
VTWG
Moog, Inc.
0.70%
BrightSpring Health Services, Inc.
0.61%
Glaukos Corp.
0.60%
Brinker International, Inc.
0.58%
Krystal Biotech, Inc.
0.56%
JFrog Ltd.
0.55%
Crinetics Pharmaceuticals, Inc.
0.54%
HealthEquity, Inc.
0.54%
FirstCash Holdings, Inc.
0.53%
Protagonist Therapeutics, Inc.
0.53%
Ryman Hospitality Properties, Inc.
0.53%
StoneX Group, Inc.
0.52%
ESCO Technologies, Inc.
0.52%
InterDigital, Inc.
0.50%
Argan, Inc.
0.49%
Frequently asked questions about ACSG and VTWG
How have the ACSG and VTWG ETFs performed in 2026?
As of September 16, 2026, ACSG is up 13.96% year-to-date (YTD), while VTWG has returned 12.09%. That puts ACSG better performer ahead so far this year.
Which ETF is attracting more investor money: ACSG or VTWG?
Year-to-date, the ACSG ETF saw +$43M in flows, compared to +$156M for VTWG.
Which ETF is bigger: ACSG or VTWG?
As of September 16, 2026, ACSG holds $50.59 M in assets under management (AUM), while VTWG manages $1.44 B.
What sectors do the ACSG and VTWG ETFs invest in?
ACSG leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, VTWG focuses on Healthcare, Technology and Industrials.
What are the top holdings of the ACSG ETF and VTWG ETF?
ACSG top holdings include Krystal Biotech, Inc., Plexus Corp. and Hexcel Corp.. VTWG holds in its top three: Moog, Inc., BrightSpring Health Services, Inc. and Glaukos Corp..
Which ETF is more diversified: ACSG or VTWG?
ACSG holds 300 securities with 12.13% of its assets in the top 15. VTWG has 1125 securities and a top 15 weight of 8.3%.
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