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VIOOvsRESMETF Comparison

ETF 1
VIOO

Vanguard S&P Small-Cap 600 ETF

This fund is part of
US Small Cap
-0.18%
Full VIOO fund page
VS
ETF 2
RESM

Columbia Research Enhanced Small Cap ETF

This fund is part of
US Multi-Factor
-0.25%
Full RESM fund page

Vanguard S&P Small-Cap 600 ETF (VIOO) belongs to the US Small Cap segment. Columbia Research Enhanced Small Cap ETF (RESM) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Industrials, Financials and Information Technology. VIOO is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.32% for RESM. VIOO is up 1.52% year-to-date (YTD) with +$166M in YTD flows. RESM performs better with 3.12% YTD performance, and -$2M in YTD flows. Run a side-by-side ETF comparison of VIOO and RESM 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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VIOO vs RESM performance and flow charts

Performance

-6.0-4.0-2.00.02.0%Feb 11Feb 19Feb 26Mar 5Mar 12

Cumulative Flows

0 M20 M40 M60 MFeb 11Feb 19Feb 26Mar 5Mar 12

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

Historic performance and flows
Data as of 03/13/2026
1M3MYTD1Y3Y5Y
Perf.
VIOO
RESM
-6.80%-4.62%
-0.85%+0.86%
+1.52%+3.12%
+21.00%n/a
+36.85%n/a
+15.08%n/a
Flows
VIOO
RESM
+$70M-$2M
+$197M+$3M
+$166M-$2M
+$85M-
+$462M-
+$1.40B-
Volatility and drawdown
3M1Y3Y5Y
Volatility
VIOO
RESM
+16.58%+15.92%
+22.73%n/a
+20.59%n/a
+21.60%n/a
Max drawdown
VIOO
RESM
-7.56%-5.45%
-16.15%n/a
-27.93%n/a
-27.93%n/a
Max drawdown duration
VIOO
RESM
31d13d
49dn/a
380dn/a
380dn/a
Trading data

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VIOO
RESM
Last sale
3/13/2026 at 1:30 PM
$112.65
$20.06
Previous close
03/12/2026
$112.79
$20.08
Consolidated volume
03/12/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of February 27, 2026
1-year trailing difference

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RESM
is actively managed and doesn’t replicate an index

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VIOO
RESM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 3/13/2026 at 1:30 PM
Live
Closed
VIOO
RESM
Last price
$112.65
$20.06
1D performance
-0.12%
-0.13%
AuM$3.31 B$3.08 M
E/R0.07%0.32%
Characteristics
VIOO
RESM
Management strategyPassiveActive
ProviderVanguardColumbia Threadneedle Investments
BenchmarkS&P SmallCap 600 Index-
N° of holdings559864
Asset classEquities-
Trailing 12m distribution yield
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Inception dateSeptember 7, 2010December 11, 2025
ESGNoNo
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Exposure

Countries

VIOO
USA
96.14%
Other
3.86%
RESM
USA
84.25%
Other
15.75%

Sectors

VIOO
Industrials
16.54%
Financials
16.37%
Information Techn.
13.3%
Consumer Discreti.
12.86%
Health Care
10.81%
Other
30.13%
RESM
Industrials
16.26%
Financials
14.54%
Information Techn.
14.51%
Health Care
14.36%
Consumer Discreti.
8.43%
Other
31.9%
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Diversification

VIOO

Total weight of top 15 holdings out of 15

7.98%
RESM

Total weight of top 15 holdings out of 15

8.1%

Top 15 holdings

Data as of January 31, 2026
VIOO
US83443Q1031
0.63%
ARROWHEAD PHARMACEUTICALS INC
0.61%
MOOG
0.56%
LKQ
0.54%
INTERDIGITAL
0.54%
CARETRUST REIT
0.53%
LUMEN TECHNOLOGIES INC
0.53%
JOHN BEAN TECHNOLOGIES
0.52%
JACKSON FINANCIAL INC
0.52%
PRIMORIS SERVICES
0.51%
SITIME CORP
0.51%
ARMSTRONG WORLD INDUSTRIES
0.51%
EASTMAN CHEMICAL
0.51%
SANMINA CORP
0.50%
KRYSTAL BIOTECH INC
0.46%
RESM
FABRINET
0.88%
LEXINGTON REIT
0.66%
RAMBUS
0.61%
HECLA MINING
0.61%
STERLING INFRASTRUCTURE INC
0.56%
DYCOM INDUSTRIES
0.56%
COEUR MINING INC
0.54%
CHART INDUSTRIES
0.50%
ADVANCED ENERGY INDUSTRIES
0.49%
TTM TECHNOLOGIES
0.49%
ENSIGN GROUP
0.46%
JACKSON FINANCIAL INC
0.45%
WTTS WTER TECH
0.43%
HUNTINGTON BANCSHARES
0.43%
PRIMORIS SERVICES
0.43%
Frequently asked questions about VIOO and RESM

How have the VIOO and RESM ETFs performed in 2026?

As of March 13, 2026, VIOO is up 1.52% year-to-date (YTD), while RESM has returned 3.12%. That puts RESM better performer ahead so far this year.

Which ETF is attracting more investor money: VIOO or RESM?

Year-to-date, the VIOO ETF saw +$166M in flows, compared to -$2M for RESM.

Which ETF is bigger: VIOO or RESM?

As of March 13, 2026, VIOO holds $3.31 B in assets under management (AUM), while RESM manages $3.08 M.

What sectors do the VIOO and RESM ETFs invest in?

VIOO leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, RESM focuses on Industrials, Financials and Information Technology.

What are the top holdings of the VIOO ETF and RESM ETF?

VIOO top holdings include US83443Q1031, ARROWHEAD PHARMACEUTICALS INC and MOOG. RESM holds in its top three: FABRINET, LEXINGTON REIT and RAMBUS.

Which ETF is more diversified: VIOO or RESM?

VIOO holds 603 securities with 7.98% of its assets in the top 15. RESM has 879 securities and a top 15 weight of 8.1%.

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