BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

ACSGvsVIOGETF Comparison

ETF 1

ACSG

American Century Small Cap Growth Insights ETF

This fund is part of

US Small Cap Growth

-0.38%

Full ACSG fund page

VS

ETF 2

VIOG

Vanguard S&P Small-Cap 600 Growth ETF

This fund is part of

US Small Cap Growth

-0.38%

Full VIOG fund page

American Century Small Cap Growth Insights ETF (ACSG) and Vanguard S&P Small-Cap 600 Growth ETF (VIOG) belong to the same industry segment: US Small Cap Growth. ACSG's top 3 sector exposures are Healthcare, Technology and Industrials. In contrast, VIOG's top sector exposures are Finance, Industrials and Healthcare. ACSG is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.1% for VIOG. ACSG is up 16.68% year-to-date (YTD) with +$17M in YTD flows. VIOG performs better with 22.82% YTD performance, and +$85M in YTD flows. Run a side-by-side ETF comparison of ACSG and VIOG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

ACSG vs VIOG performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 07/31/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	ACSG VIOG	-4.46%-2.41%	+5.55%+6.73%	+16.68%+22.82%	n/a+30.32%	n/a+47.37%	n/a+37.65%
Flows	ACSG VIOG	+$3M+$60M	+$10M+$87M	+$17M+$85M	-+$51M	-+$188M	-+$280M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	ACSG VIOG	+22.22%+16.51%	n/a+17.86%	n/a+19.92%	n/a+21.45%
Max drawdown	ACSG VIOG	-6.51%-4.68%	n/a-9.06%	n/a-27.38%	n/a-29.24%
Max drawdown duration	ACSG VIOG	31d31d	n/a41d	n/a414d	n/a980d

Trading data

Create an account to view trading data

Join for free

	ACSG	VIOG
Last sale 8/3/2026 at 1:30 PM		$150.99
Previous close 07/31/2026		$148.36
Consolidated volume 07/31/2026
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

Create an account to view replication metrics

Join for free

ACSG

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	ACSG	VIOG
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 8/3/2026 at 1:30 PM

Live

Closed

	ACSG	VIOG
Last price	–	$150.99
1D performance	–	+1.77%
AuM	$26.20 M	$1.10 B
E/R	0.49%	0.1%

Characteristics

	ACSG	VIOG
Management strategy	Active	Passive
Provider	American Century Investments	Vanguard
Benchmark	-	S&P SmallCap 600 Growth Index
N° of holdings	311	346
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	October 14, 2025	September 7, 2010
ESG	No	No

More ACSG data on Trackinsight

More VIOG data on Trackinsight

Exposure

Countries

ACSG

USA

93.03%

Other

6.97%

VIOG

USA

97.12%

Other

2.88%

Sectors

ACSG

Healthcare

26.05%

Technology

18.95%

Industrials

16.14%

Finance

13.12%

Other

25.75%

VIOG

Finance

21.88%

Industrials

16.96%

Healthcare

16.91%

Technology

13.44%

Other

30.81%

Diversification

ACSG

Total weight of top 15 holdings out of 15

12.05%

VIOG

Total weight of top 15 holdings out of 15

15.23%

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%

VIOG

FormFactor, Inc.

1.36%

ViaSat, Inc.

1.33%

Argan, Inc.

1.22%

BrightSpring Health Services, Inc.

1.21%

Krystal Biotech, Inc.

1.07%

ESCO Technologies, Inc.

0.99%

Alkermes Plc

0.95%

Everus Construction Group, Inc.

0.93%

StoneX Group, Inc.

0.91%

Corcept Therapeutics, Inc.

0.91%

Powell Industries, Inc.

0.89%

Ryman Hospitality Properties, Inc.

0.89%

Enpro, Inc.

0.87%

Federal Signal Corp.

0.86%

MYR Group, Inc.

0.85%

Frequently asked questions about ACSG and VIOG

How have the ACSG and VIOG ETFs performed in 2026?

As of July 31, 2026, ACSG is up 16.68% year-to-date (YTD), while VIOG has returned 22.82%. That puts VIOG better performer ahead so far this year.

Which ETF is attracting more investor money: ACSG or VIOG?

Year-to-date, the ACSG ETF saw +$17M in flows, compared to +$85M for VIOG.

Which ETF is bigger: ACSG or VIOG?

As of July 31, 2026, ACSG holds $26.20 M in assets under management (AUM), while VIOG manages $1.10 B.

What sectors do the ACSG and VIOG ETFs invest in?

ACSG leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, VIOG focuses on Finance, Industrials and Healthcare.

What are the top holdings of the ACSG ETF and VIOG ETF?

ACSG top holdings include CECO Environmental Corp., Plexus Corp. and Argan, Inc.. VIOG holds in its top three: FormFactor, Inc., ViaSat, Inc. and Argan, Inc..

ACSGvsVIOGETF Comparison

American Century Small Cap Growth Insights ETF

Vanguard S&P Small-Cap 600 Growth ETF

ACSG vs VIOG performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the ACSG and VIOG ETFs performed in 2026?

As of July 31, 2026, ACSG is up 16.68% year-to-date (YTD), while VIOG has returned 22.82%. That puts VIOG better performer ahead so far this year.

Which ETF is attracting more investor money: ACSG or VIOG?

Year-to-date, the ACSG ETF saw +$17M in flows, compared to +$85M for VIOG.

Which ETF is bigger: ACSG or VIOG?

As of July 31, 2026, ACSG holds $26.20 M in assets under management (AUM), while VIOG manages $1.10 B.

What sectors do the ACSG and VIOG ETFs invest in?

ACSG leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, VIOG focuses on Finance, Industrials and Healthcare.

What are the top holdings of the ACSG ETF and VIOG ETF?

ACSG top holdings include CECO Environmental Corp., Plexus Corp. and Argan, Inc.. VIOG holds in its top three: FormFactor, Inc., ViaSat, Inc. and Argan, Inc..

Which ETF is more diversified: ACSG or VIOG?

ACSG holds 318 securities with 12.05% of its assets in the top 15. VIOG has 346 securities and a top 15 weight of 15.23%.

Expert-Built ETF Portfolios, All in One Place