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ACMGvsIVOGETF Comparison

ETF 1
ACMG

American Century Mid Cap Growth Impact ETF

This fund is part of
US Mid Cap Growth
-1.17%
VS
ETF 2
IVOG

Vanguard S&P Mid-Cap 400 Growth ETF

This fund is part of
US Mid Cap Growth
-1.17%

American Century Mid Cap Growth Impact ETF (ACMG) and Vanguard S&P Mid-Cap 400 Growth ETF (IVOG) belong to the same industry segment: US Mid Cap Growth. In contrast, IVOG's top sector exposures are Technology, Industrials and Healthcare. ACMG is more expensive with a Total Expense Ratio (TER) of 0.45%, versus 0.1% for IVOG. ACMG is up 12.41% year-to-date (YTD) with +$37M in YTD flows. IVOG performs better with 15.24% YTD performance, and +$146M in YTD flows. Run a side-by-side ETF comparison of ACMG and IVOG 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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ACMG vs IVOG performance and flow charts

Performance

-2.00.02.04.06.0%Sep 9Sep 16Sep 23Sep 30Oct 7

Cumulative Flows

0 M50 M100 M150 MSep 9Sep 16Sep 23Sep 30Oct 7

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Historic performance and flows
Data as of 10/09/2026
1M3MYTD1Y3Y5Y
Perf.
ACMG
IVOG
+5.61%+1.12%
+4.18%-1.37%
+12.41%+15.24%
+8.87%+17.77%
+64.42%+59.44%
+28.77%+45.18%
Flows
ACMG
IVOG
+$36M+$96M
+$38M+$93M
+$37M+$146M
+$45M+$136M
+$66M+$488M
+$95M+$425M
Volatility and drawdown
3M1Y3Y5Y
Volatility
ACMG
IVOG
+16.92%+14.41%
+19.37%+17.46%
+20.36%+18.81%
+24.10%+20.87%
Max drawdown
ACMG
IVOG
-6.82%-8.24%
-14.34%-9.92%
-23.84%-25.47%
-40.04%-29.28%
Max drawdown duration
ACMG
IVOG
34d56d
214d45d
154d379d
1060d829d
Trading data

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ACMG
IVOG
Last sale
10/13/2026 at 2:05 PM
$137.98
Previous close
10/09/2026
$138.64
Consolidated volume
10/09/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of September 30, 2026
1-year trailing difference

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ACMG
is actively managed and doesn’t replicate an index

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ACMG
IVOG
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 10/13/2026 at 2:05 PM
Live
Closed
ACMG
IVOG
Last price
–
$137.98
1D performance
–
-0.48%
AuM$145.57 M$1.71 B
E/R0.45%0.1%
Characteristics
ACMG
IVOG
Management strategyActivePassive
ProviderAmerican Century InvestmentsVanguard
Benchmark-S&P MidCap 400 Growth Index
N° of holdings-246
Asset class-Equities
Trailing 12m distribution yield
Join
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Inception dateJuly 15, 2020September 7, 2010
ESGYesNo
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Exposure

Countries

ACMG
Data will be available soon
IVOG
USA
94.34%
Other
5.66%

Sectors

ACMG
Data will be available soon
IVOG
Technology
20.32%
Industrials
19.1%
Healthcare
15.56%
Finance
14.63%
Non-Energy Materi.
9.56%
Other
20.83%
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Diversification

ACMG
Data will be available soon
IVOG

Total weight of top 15 holdings out of 15

19.9%

Top 15 holdings

Data as of January 1, 1970
ACMG
Data will be available soon
IVOG
Twilio, Inc.
1.93%
TechnipFMC plc
1.68%
Everpure, Inc.
1.58%
Okta, Inc.
1.57%
ATI, Inc.
1.50%
nVent Electric Plc
1.32%
Tenet Healthcare Corp.
1.24%
XPO, Inc.
1.23%
United Therapeutics Corp.
1.17%
Curtiss-Wright Corp.
1.16%
Coeur Mining, Inc.
1.16%
Royal Gold, Inc.
1.15%
Roku, Inc.
1.11%
Woodward, Inc.
1.09%
Carpenter Technology Corp.
1.01%
Frequently asked questions about ACMG and IVOG

How have the ACMG and IVOG ETFs performed in 2026?

As of October 9, 2026, ACMG is up 12.41% year-to-date (YTD), while IVOG has returned 15.24%. That puts IVOG better performer ahead so far this year.

Which ETF is attracting more investor money: ACMG or IVOG?

Year-to-date, the ACMG ETF saw +$37M in flows, compared to +$146M for IVOG.

Which ETF is more volatile: ACMG or IVOG?

Over the past year, ACMG had a volatility of 19.37%, while IVOG experienced 17.46%.

Which ETF is bigger: ACMG or IVOG?

As of October 9, 2026, ACMG holds $145.57 M in assets under management (AUM), while IVOG manages $1.71 B.

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