VBvsACSGETF Comparison
VS
ETF 2
ACSG
American Century Small Cap Growth Insights ETF
This fund is part of
US Small Cap Growth
+0.87%
Vanguard Morningstar Small-Cap ETF (VB) belongs to the US Small Cap segment. American Century Small Cap Growth Insights ETF (ACSG) is part of the US Small Cap Growth segment. VB's top 3 sector exposures are Finance, Technology and Industrials. In contrast, ACSG's top sector exposures are Healthcare, Technology and Industrials. VB is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.49% for ACSG. VB is up 15.79% year-to-date (YTD) with +$1.16B in YTD flows. ACSG performs worse with 13.78% YTD performance, and +$46M in YTD flows. Run a side-by-side ETF comparison of VB 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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VB vs ACSG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/04/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | VB ACSG | +1.73%-1.32% | -2.84%-7.00% | +15.79%+13.78% | +19.42%+16.32% | +66.58%n/a | +34.69%n/a |
| Flows | VB ACSG | +$269M+$1M | +$335M+$29M | +$1.16B+$46M | +$1.10B+$47M | +$9.67B- | +$13.11B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | VB ACSG | +12.30%+16.97% | +15.70%+21.31% | +18.45%n/a | +20.51%n/a |
| Max drawdown | VB ACSG | -7.96%-13.06% | -8.96%-13.34% | -25.25%n/a | -28.14%n/a |
| Max drawdown duration | VB ACSG | 80d80d | 48d84d | 296dn/a | 980dn/a |
Trading data
VB | ACSG | |
Last sale 11/5/2026 at 2:30 PM | $284.24 | |
| Previous close 11/04/2026 | $295.90 | |
| Consolidated volume 11/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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ACSG
is actively managed and doesn’t replicate an indexVB | ACSG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/5/2026 at 2:30 PM
Live
Closed
VB | ACSG | |
|---|---|---|
| Last price | $284.24 | – |
| 1D performance | -3.94% | – |
| AuM | $80.28 B | $53.41 M |
| E/R | 0.03% | 0.49% |
Characteristics
VB | ACSG | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Vanguard | American Century Investments |
| Benchmark | CRSP U.S. Small Cap Index | - |
| N° of holdings | 1283 | 309 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 26, 2004 | October 14, 2025 |
| ESG | No | No |
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Exposure
Countries
VB
USA
94.65%
Other
5.35%
ACSG
USA
94.05%
Other
5.95%
Sectors
VB
Finance
20.82%
Technology
15.58%
Industrials
14.58%
Healthcare
13.96%
Non-Energy Materi.
8.1%
Other
26.96%
ACSG
Healthcare
29.26%
Technology
16.66%
Industrials
14.3%
Finance
13.62%
Other
26.16%
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Diversification
VB
Total weight of top 15 holdings out of 15
6.62%
ACSG
Total weight of top 15 holdings out of 15
12.38%
Top 15 holdings
Data as of September 30, 2026
VB
Natera, Inc.
0.72%
Twilio, Inc.
0.57%
Revolution Medicines, Inc.
0.53%
Illumina, Inc.
0.52%
Everpure, Inc.
0.52%
Okta, Inc.
0.44%
Moderna, Inc.
0.44%
EMCOR Group, Inc.
0.42%
Credo Technology Group Holding Ltd.
0.42%
Jabil, Inc.
0.38%
Williams-Sonoma, Inc.
0.34%
TechnipFMC plc
0.34%
Atmos Energy Corp.
0.33%
nVent Electric Plc
0.33%
ATI, Inc.
0.33%
ACSG
10X Genomics, Inc.
1.17%
CECO Environmental Corp.
0.97%
Krystal Biotech, Inc.
0.96%
Sensient Technologies Corp.
0.91%
Plexus Corp.
0.89%
Twist Bioscience Corp.
0.85%
Hexcel Corp.
0.80%
Onto Innovation, Inc.
0.75%
RadNet, Inc.
0.75%
Expro Ltd.
0.73%
Novanta, Inc.
0.73%
ESCO Technologies, Inc.
0.73%
Encompass Health Corp.
0.72%
Protagonist Therapeutics, Inc.
0.71%
Impinj, Inc.
0.71%
Frequently asked questions about VB and ACSG
How have the VB and ACSG ETFs performed in 2026?
As of November 4, 2026, VB is up 15.79% year-to-date (YTD), while ACSG has returned 13.78%. That puts VB better performer ahead so far this year.
Which ETF is attracting more investor money: VB or ACSG?
Year-to-date, the VB ETF saw +$1.16B in flows, compared to +$46M for ACSG.
Which ETF is more volatile: VB or ACSG?
Over the past year, VB had a volatility of 15.7%, while ACSG experienced 21.31%.
Which ETF is bigger: VB or ACSG?
As of November 4, 2026, VB holds $80.28 B in assets under management (AUM), while ACSG manages $53.41 M.
What sectors do the VB and ACSG ETFs invest in?
VB leans toward sectors like Finance, Technology and Industrials. Meanwhile, ACSG focuses on Healthcare, Technology and Industrials.
What are the top holdings of the VB ETF and ACSG ETF?
VB top holdings include Natera, Inc., Twilio, Inc. and Revolution Medicines, Inc.. ACSG holds in its top three: 10X Genomics, Inc., CECO Environmental Corp. and Krystal Biotech, Inc..
Which ETF is more diversified: VB or ACSG?
VB holds 1297 securities with 6.62% of its assets in the top 15. ACSG has 311 securities and a top 15 weight of 12.38%.
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Latest news about VB & ACSG
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