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Small Cap and Small Size ETFs

A small cap stock is generally defined as the stock of publicly traded company that has a market capitalization ranging from $300 million to about $2 billion. ETFs that invest in small cap stocks have been around a long time, and most people wouldn't necessarily consider a small cap ETF to be a "smart beta" ETF. But since "size" is perhaps the most well established factor that can lead to a stock outperforming the market, we have included this article about small cap ETFs in our "smart beta" series of articles. But many of the small cap ETFs that exist have been around a long time and are based on plain vanilla indexes that weight their holdings using market capitalization.

There are also a lot of smart beta large and mid cap stock indexes that intentionally select "smaller" size companies from the list of large and mid cap stocks included in the parent universe of stocks. We call these "small size factor" indexes, or small size ETPs.

There are a large number of small cap or small size factor ETPs, as shown in this table:

NameSymbolLast priceCurrency
iShares MSCI Emerging Markets Sm CapARCX:EEMS58.51USD
AlphaMark Small Cap Growth ETFXNAS:SMCP32.67USD
VictoryShares Small Cap Free Cash Flow ETFXNAS:SFLO26.22USD
SPDR S&P International SmallCap ETFARCX:GWX31.19USD
Goldman Sachs ETF Trust Goldman Sachs Small Cap Core Equity ETFARCX:GSC51.75USD
Hartford Multifactor Global Small Cap ETARCX:ROSC44.09USD
American Century ETF Trust Avantis Emerging Markets Small Cap Equity ETFARCX:AVEE53.96USD
Fidelity Covington Trust Fidelity Enhanced Small Cap ETFARCX:FESM32.64USD
Deutsche X-trackers Harvest CSI 500 China A Shares Small CapARCX:ASHS28.93USD
WisdomTree Emerging Mkt SmllCap Dvd FndARCX:DGS49.85USD
INVESCO S&P SMALLCAP LOW VOLARCX:XSLV47.82USD
ProShares Short Russell2000ARCX:RWM18.86USD
ALPS O'Shares U.S. Small-Cap Quality Dividend ETFBATS:OUSM43.97USD
JPMorgan Fundamental Data Science Small Core ETFXNAS:SCDS55.26USD
Opus Small Cap Value PlusBATS:OSCV37.20USD
Oppenheimer Russell 2000 Dynamic MultifactorXNYS:OMFS40.21USD
AVANTIS INTL S/C VALUE ETFARCX:AVDV63.96USD
ETRACS 2x Leveraged US Size Factor TR ETNARCX:IWML21.89USD
ProShares UltraShort Russell2000ARCX:TWM44.58USD
First Trust Small Cap Core AlphaDEX FundXNAS:FYX101.39USD
Dimensional ETF Trust Dimensional International Small Cap ETFBATS:DFIS24.33USD
Spdr S&P600 ScgARCX:SLYG91.48USD
JPMorgan Diversified Return US Small Cap EquityARCX:JPSE47.26USD
Pacer US Small Cap Cash Cows Growth Leaders ETFXNAS:CAFG25.79USD
Syntax Stratified SmallCap ETFARCX:SSLY45.95USD
Schwab U.S. Small-Cap ETFARCX:SCHA26.00USD
iShares Edge MSCI Intl Size Factor ETFARCX:ISCF31.99USD
Oppenheimer S&P SmallCap 600 Revenue ETFXNYS:RWJ45.68USD
WisdomTree US SmallCap Earnings FundARCX:EES53.90USD
Vanguard S&P Small-Cap 600 Value ETFARCX:VIOV93.94USD
iShares Morningstar Small-Cap ETFARCX:ISCB58.92USD
iShares Russell 2000 Value ETFARCX:IWN164.11USD
iShares Trust iShares Russell 2000 BuyWrite ETFBATS:IWMW43.88USD
iShares Trust iShares International Developed Small Cap Value Factor ETFBATS:ISVL33.93USD
Calamos ETF Trust Calamos Russell 2000 Structured Alt Protection ETF JulyARCX:CPRJ25.46USD
First Trust Exchange-Traded Fund VIII FT Vest Laddered Small Cap Moderate Buffer ETFBATS:BUFS21.35USD
WisdomTree U SXNAS:DGRS51.35USD
INVESCO S&P SMALLCAP VALUE WARCX:XSVM54.76USD
Nuveen Small Cap Select ETFARCX:NSCS28.47USD
Invesco S&P SmallCap 600 QVM Multi-factor ETFARCX:QVMS27.63USD
iShares MSCI India Small-CapBATS:SMIN77.26USD
iShares Edge MSCI Min Vol USA Small-CapBATS:SMMV41.62USD
Vanguard S&P Small-Cap 600 ETFARCX:VIOO108.27USD
Spdr S&P600 ScvARCX:SLYV88.07USD
Dimensional ETF Trust Dimensional International Small Cap Value ETFBATS:DISV26.29USD
iShares MSCI Brazil Small-Cap ETFXNAS:EWZS9.76USD
iShares Russell 2000 ETFARCX:IWM222.59USD
LEGG MASON SMALL-CAP QUALITYXNAS:SQLV42.54USD
NEOS ETF Trust NEOS Russell 2000 High Income ETFBATS:IWMI49.61USD
Innovator U.S. Small Cap Power Buffer ETF - AprilBATS:KAPR32.79USD
VictoryShares US Small Cap Volatility WtXNAS:CSA73.78USD
Robinson Alternative Yield Pre-merger SPAC ETFARCX:SPAX20.56USD
iShares Edge MSCI Multifactor USA Small-ARCX:SMLF68.24USD
ProShares Russell 2000 Div Growers ETFBATS:SMDV68.86USD
iShares Morningstar Small-Cap Value ETFARCX:ISCV63.15USD
SHL Telemedicine Ltd Innovator U.S. Small Cap Power Buffer ETF - JuneBATS:KJUN26.97USD
First Trust Multi-Manager Small Cap Opportunities ETFARCX:MMSC21.09USD
Lattice Strategies Trust Hartford Multifactor International Small Company ETFBATS:ROIS49.25USD
Federated Hermes ETF Trust Federated Hermes MDT Small Cap Core ETFARCX:FSCC26.35USD
Harbor ETF Trust Harbor Corporate Culture Small Cap ETFARCX:HAPS29.34USD
iShares Core S&P Small-Cap ETFARCX:IJR115.83USD
iShares Russell 2000 Growth ETFARCX:IWO291.14USD
First Trust Small Cap US Equity Select ETFXNAS:RNSC32.31USD
EA Bridgeway Omni Small-Cap Value ETFXNAS:BSVO21.51USD
ETF Series Solutions AAM Sawgrass US Small Cap Quality Growth ETFARCX:SAWS19.79USD
First Trust Developed Markets ex-US Small Cap AlphaDEXXNAS:FDTS39.95USD
PowerShares S&P SmallCap High Dividend Low Volatility PortfolioXNYS:XSHD14.65USD
AVANTIS US SMALL CAP VALUEARCX:AVUV96.19USD
SPDR S&P Emerging Markets Small Cap ETFARCX:EWX60.75USD
Dimensional ETF Trust Dimensional US Small Cap Value ETFARCX:DFSV30.56USD
SPDR SSGA US Small Cap Low Volatility InARCX:SMLV128.58USD
Direxion Small Cap Bull 3X SharesARCX:TNA43.17USD
INVESCO S&P SMALLCAP MOMENTUARCX:XSMO66.56USD
Tidal Trust II Defiance R2000 Enhanced Options Income ETFARCX:IWMY30.37USD
iShares Hedged EAFE Small Cap ETFARCX:HSCZ31.47USD
GLOBAL X RUSSELL 2000 COV CLARCX:RYLD16.42USD
WisdomTree U.S. SmallCap Quality Growth FundXNAS:QSML27.62USD
VanEck Vect Brazil Small-Cap ETFARCX:BRF11.84USD
PACER US SMALL CAP CASH COWSBATS:CALF44.35USD
iShares US Small Cap Value Factor ETFBATS:SVAL32.45USD
TIMOTHY PLAN US SMALL CAP COARCX:TPSC39.28USD
Vanguard S&P Small-Cap 600 Growth ETFARCX:VIOG117.91USD
American Century ETF Trust Avantis U.S Small Cap Equity ETFARCX:AVSC54.46USD
Victory CEMP US Small Cap High Dividend Volatility WeightedXNAS:CSB59.35USD
Global X Funds Global X Russell 2000 ETFARCX:RSSL87.16USD
WisdomTree Dynamic Currency Hedged IntlBATS:DDLS34.64USD
PRINCIPAL US SMALL CAP INDEXXNAS:PSC51.60USD
iShares S&P SmallCap 600 Value ETFARCX:IJS108.86USD
Vanguard Small-Cap GrowthARCX:VBK284.22USD
PowerShares S&P SmallCap Quality PortfolioXNYS:XSHQ42.92USD
FIRST TRUST ACTIVE FACTOR SMARCX:AFSM30.26USD
ETRACS 2xMonthly Pay Leveraged US Small Cap High Dividend ETNARCX:SMHB5.25USD
INVESCO S&P SMALLCAP 600 PURARCX:RZV111.90USD
iShares S&P Small-Cap 600 GrowthXNAS:IJT136.90USD
iShares MSCI USA Small-Cap ESG OptimizedBATS:ESML42.30USD
VictoryShares US Discovery Enhanced VolaXNAS:CSF55.65USD
First Trust Exchange-Traded Fund VIII FT Cboe Vest U.S. Small Cap Moderate Buffer ETF - NovemberBATS:SNOV23.15USD
Vanguard Russell 2000 ETFXNAS:VTWO90.24USD
OVERLAY SHARES SMALL CAP EQARCX:OVS35.74USD
Franklin LibertyQ U.S. Small Cap Equity ETFBATS:FLQS41.77USD
Harbor ETF Trust Harbor AlphaEdge Small Cap Earners ETFARCX:EBIT32.19USD
SHL Telemedicine Ltd Innovator U.S. Small Cap 10 Buffer ETF - QuarterlyBATS:RBUF26.56USD
First Trust Exchange-Traded Fund VIII FT Cboe Vest U.S. Small Cap Moderate Buffer ETF - MayBATS:SMAY24.84USD
iShares MSCI United Kingdom Small-CapBATS:EWUS34.70USD
John Hancock Multifactor Small CapARCX:JHSC40.04USD
First Trust Exchange-Traded Fund VIII FT Cboe Vest U.S. Small Cap Moderate Buffer ETF - AugustBATS:SAUG23.57USD
GOLDMAN SACHS ACTIVEBETA USARCX:GSSC69.79USD
NuShares ESG Small-CapBATS:NUSC42.15USD
Schwab Internationl Small-Cap Equity ETFARCX:SCHC34.09USD
First Trust Exchange-Traded Fund VIII FT Vest U.S. Small Cap Moderate Buffer ETF - FebruaryBATS:SFEB21.57USD
Global X Funds Global X Russell 2000 Covered Call & Growth ETFARCX:RYLG26.16USD
WisdomTree International SmallCap FundARCX:DLS63.15USD
Texas Capital Texas Small Cap Equity Index ETFXNAS:TXSS27.57USD
SPDR Russell 2000ARCX:SPSM45.49USD
Invesco Exchange-Traded Fund Trust II Invesco S&P SmallCap 600 GARP ETFARCX:GRPZ26.20USD
iShares MSCI EAFE Small-Cap ETFXNAS:SCZ60.38USD
ProShares UltraPro Russell2000ARCX:URTY50.70USD
WisdomTree US SmallCap Dividend FundARCX:DES34.43USD
Themes US Small Cap Cash Flow Champions ETFXNAS:SMCF30.77USD
Innovator ETFs Trust Innovator US Small Cap Power Buffer ETF - AugustBATS:KAUG25.19USD
MFAM Small-Cap Growth ETFBATS:TMFS35.81USD
iShares MSCI Japan Sm CapARCX:SCJ72.43USD
ProShares UltraShort SmallCap600ARCX:SDD15.21USD
SSGA Active Trust SPDR S&P SmallCap 600 ESG ETFARCX:ESIX31.92USD
First Trust Small Cap Growth AlphaDEX FdXNAS:FYC78.66USD
Vanguard FTSE All-World Ex-US Small-CapARCX:VSS114.00USD
First Trust Small Cap Value AlphaDEX FndXNAS:FYT54.74USD
iShares MSCI China Small-Cap ETFARCX:ECNS25.52USD
First Trust Emerging Markets Small Cap AlphaDEX® FundXNAS:FEMS38.03USD
Janus Small Cap Growth Alpha ETFXNAS:JSML66.09USD
WisdomTree Japan Hedged SmallCap EquityXNAS:DXJS35.06USD
ProShares Ultra Russell2000ARCX:UWM42.69USD
JPMorgan BetaBuilders U.S. Small Cap Equity ETFARCX:BBSC69.40USD
ProShares UltraPro Short Russell2000ARCX:SRTY18.83USD
ProShares Short SmallCap600ARCX:SBB14.69USD
iShares MSCI Europe Small-Cap ETFXNAS:IEUS53.50USD
INNOVATOR RUSSELL 2000 P BUFBATS:KJAN37.56USD
WisdomTree Japan SmallCap FundARCX:DFJ75.28USD
Vanguard Russell 2000 Value ETFXNAS:VTWV145.63USD
Wisdom Tree Trust Europe SmallARCX:DFE56.60USD
INNOVATOR RUSSELL 2000 POWERBATS:KOCT30.56USD
BNY Mellon US Small Cap Core Equity ETFARCX:BKSE101.90USD
American Century ETF Trust Avantis International Small Cap Equity ETFARCX:AVDS51.65USD
Vanguard Russell 2000 Growth ETFXNAS:VTWG212.76USD
Unified Series Trust OneAscent Small Cap Core ETFARCX:OASC27.51USD
ETC 6 Meridian Small Cap Equity ETFARCX:SIXS49.16USD
J.P. Morgan Exchange-Traded Fund Trust JPMorgan Active Small Cap Value ETFARCX:JPSV59.43USD
Schwab Fndmntl Intl Sml Cmpny IndxARCX:FNDC34.04USD
iShares Morningstar Sm GrowthARCX:ISCG50.13USD
ProShares Ultra SmallCap600ARCX:SAA26.43USD
INVESCO DWA SMALLCAP MOMENTXNAS:DWASUSD
Innovator U.S. Small Cap Power Buffer ETF - JulyBATS:KJUL29.38USD
WisdomTree Europe Hedged SmallCap EquityARCX:EUSC37.84USD
Invesco S&P Smallcap 600 Pure Growth ETFXNYS:RZG50.20USD
Schwab Fd Us Sml Comp IndexARCX:FNDA29.78USD
Vanguard Small-Cap ValueARCX:VBR199.65USD
Dimensional U.S. Small Cap ETFARCX:DFAS65.29USD
iShares ESG Screened S&P Small-Cap ETFBATS:XJR41.71USD
Strive Small-Cap ETFXNYS:STXK31.62USD

We acknowledge that many of these ETFs are not necessarily considered by some to be "smart beta" ETFs. Again, we are including these small cap ETFs in our discussion of smart beta ETFs because "size" is probably the most well documented and agreed upon factor that leads to one ETF outperforming another.

Notable small cap ETFs

IJR is one of the biggest and oldest of the small cap ETFs. It tracks the S&P 600 Small Cap Index, one of the oldest small cap indices.

IWM is also one of the biggest and oldest of the small cap ETFs. It tracks the Russell 2000 Index, another one of the oldest small cap indices.

Does small cap investing outperform?

As mentioned above "size" is one of the most well established factors identified during academic research that can lead to a stock outperforming the market. Most of the best performing ETFs that have been around at least eight years are small and mid cap stock ETFs, or are total market ETFs that by design include small and mid cap stocks.

The market usually goes in cycles where for periods of time, small cap stocks will outperform large cap stocks, and then for other periods of time large cap stocks will outperform small cap stocks.