ETF·WATCHGlobal index inclusion tracker

Stocks entering the S&P SmallCap 600

Every addition to the index behind IJR, SLY over the last two years — when it took effect, who it replaced, and how the stock traded 1 week, 1 month, 3 months, 6 months and 1 year after the effective close.

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Additions table

CompareIndexSectorAnnouncedReplaced
ADIGADI Global DistributionUpdated 9h agoS&P 600UnknownAug 4, 2026Aug 4, 2026Hertz Global Holdings+26.9%-7.2%———
FIVNFive9Updated 9h agoS&P 600UnknownAug 3, 2026Aug 3, 2026Two Harbors Investment+19.1%+16.0%———
VVXV2X, Inc.Updated 9h agoS&P 600UnknownJul 27, 2026Jul 27, 2026Avanos Medical-1.1%-10.7%———
TPCTutor PeriniUpdated 9h agoS&P 600UnknownJul 24, 2026Jul 24, 2026Krystal Biotech-3.5%+5.3%———
ROADConstruction PartnersUpdated 9h agoS&P 600UnknownJul 22, 2026Jul 22, 2026Molina Healthcare-0.2%+7.6%———
KRMNKarman HoldingsUpdated 9h agoS&P 600UnknownJul 17, 2026Jul 17, 2026BrightSpring Health Services+2.8%+34.3%———
SEISolaris Energy InfrastructureUpdated 9h agoS&P 600UnknownJul 15, 2026Jul 15, 2026Catalyst Pharmaceuticals-6.1%-5.7%———
LEUCentrus EnergyUpdated 9h agoS&P 600UnknownJul 8, 2026Jul 8, 2026Whitestone REIT-6.0%+15.0%———
MFPMidera Food ProcessingUpdated 9h agoS&P 600UnknownJul 8, 2026Jul 8, 2026Redwood Trust+11.5%+17.7%———
GTGoodyear Tire and Rubber CompanyUpdated 9h agoS&P 600UnknownJul 6, 2026Jul 6, 2026Stellar Bancorp-4.2%+0.1%———
NHINational Health InvestorsUpdated 9h agoS&P 600UnknownJul 1, 2026Jul 1, 2026Apollo Commercial Real Estate Finance+0.2%+0.1%———
CAGConagra BrandsUpdated 9h agoS&P 600UnknownJul 1, 2026Jul 1, 2026Grid Dynamics Holdings-3.7%+2.6%———
MBGLMobility GlobalUpdated 9h agoS&P 600UnknownJul 1, 2026Jul 1, 2026Core Laboratories+1.5%-3.8%———
GPORGulfport EnergyUpdated 9h agoS&P 600UnknownJul 1, 2026Jul 1, 2026Select Medical-1.5%-2.4%———
NTSTNETSTREITUpdated 9h agoS&P 600UnknownJun 29, 2026Jun 29, 2026ProAssurance+0.4%+2.5%———
NICNicolet BanksharesUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Cytek Biosciences+7.7%+10.9%———
USLMUnited States Lime & MineralsUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Cable One-8.4%-3.5%———
CPBCampbell'sUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Universal Health Realty Income Trust+12.8%+9.1%———
POOLPool CorporationUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Embecta+8.2%+0.3%———
COTYCotyUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Semtech+2.6%+42.9%———
WRBYWarby ParkerUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Ethan Allen Interiors+11.6%-9.0%———
LAZLazardUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Gogo Inflight Internet-7.5%-0.2%———
IVTInvenTrust PropertiesUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Forward Air+5.2%+5.6%———
WSBCWesBancoUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Insteel Industries+5.7%+11.5%———
CACCCredit AcceptanceUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Oxford Industries+10.5%+5.0%———
BLKBBlackbaudUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Viavi Solutions+10.7%+16.5%———
RSIRush Street InteractiveUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Vital Farms+2.6%+2.3%———
EBCEastern BanksharesUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026PRA Group+6.4%+8.8%———
CNXCConcentrixUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Sanmina Corporation+5.4%-0.2%———
LQDALiquidiaUpdated 9h agoS&P 600UnknownJun 22, 2026Jun 22, 2026Monro Muffler Brake-0.5%+15.3%———
FAFirst AdvantageUpdated 9h agoS&P 600UnknownJun 16, 2026Jun 16, 2026Kennedy Wilson-0.9%+33.5%+33.3%——
DMCDel Monte CorporationUpdated 9h agoS&P 600UnknownJun 9, 2026Jun 9, 2026Fresh Del Monte Produce Inc.+1.2%-2.9%+13.6%——
EPAMEPAM SystemsUpdated 9h agoS&P 600UnknownJun 2, 2026Jun 2, 2026Shutterstock-7.3%-14.5%+14.1%——
DAVEDaveUpdated 9h agoS&P 600UnknownJun 1, 2026Jun 1, 2026American Woodmark-4.3%+35.6%+34.0%——
UTIUniversal Technical InstituteUpdated 9h agoS&P 600UnknownMay 27, 2026May 27, 2026Veris Residential+13.0%+5.6%-42.9%——
FGF&GUpdated 9h agoS&P 600UnknownMay 19, 2026May 19, 2026Mister Car Wash+1.7%+1.4%-2.3%——
FLOFlowers FoodsUpdated 9h agoS&P 600UnknownMay 18, 2026May 18, 2026CSG Systems+8.3%+1.6%+4.3%——
PTONPeloton InteractiveUpdated 9h agoS&P 600UnknownMay 18, 2026May 18, 2026Enviri+7.7%+4.3%+6.2%——
RELYRemitlyUpdated 9h agoS&P 600UnknownMay 14, 2026May 14, 2026Apellis Pharmaceuticals-7.5%-18.1%+3.9%——
BFAMBright HorizonsUpdated 9h agoS&P 600UnknownMay 14, 2026May 14, 2026Tri Pointe Homes-2.8%-6.7%+2.8%——
ALHCAlignment HealthcareUpdated 9h agoS&P 600UnknownMay 14, 2026May 14, 2026Sun Country Airlines-1.1%+19.3%-18.4%——
AGNTeXp World Holdings, Inc.Updated 9h agoS&P 600UnknownMay 8, 2026May 8, 2026eXp World Holdings, Inc.-28.0%-27.3%-36.8%——
LFSTLifestance HealthUpdated 9h agoS&P 600UnknownMay 1, 2026May 1, 2026Golden Entertainment+2.3%+2.4%+42.6%——
EFOREverforth Inc.Updated 9h agoS&P 600UnknownApr 24, 2026Apr 24, 2026ASGN Inc.+11.6%+2.8%+3.5%——
DBDDiebold NixdorfUpdated 9h agoS&P 600UnknownApr 10, 2026Apr 10, 2026Sealed Air+4.7%-8.0%+0.2%——
BNLBroadstone Net LeaseUpdated 9h agoS&P 600UnknownApr 9, 2026Apr 9, 2026DigitalOcean+1.3%+0.6%+12.2%——
ATMUAtmus Filtration TechnologiesUpdated 9h agoS&P 600UnknownApr 9, 2026Apr 9, 2026Air Lease Corporation-3.9%-12.5%-21.9%——
VGNTVersigentUpdated 9h agoS&P 600UnknownApr 2, 2026Apr 2, 2026Titan International, Inc.+4.9%+31.9%+48.9%——
COCOVita CocoUpdated 9h agoS&P 600UnknownMar 25, 2026Mar 25, 2026Tegna Inc.-9.8%-6.5%+53.6%——
ASGNASGNDelisted or renamedUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Cars.com—————
LYFTLyftUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026SunCoke Energy-5.2%+8.2%+7.0%——
MOHMolina HealthcareUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026SiTime-2.8%+13.1%+44.5%——
LIFLife360Updated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026KKR Real Estate Finance Trust-7.5%+16.7%+19.0%——
AGXArganUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026CareTrust REIT+11.0%+40.8%+59.7%——
PAYCPaycomUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026InterDigital-4.4%+3.0%-1.1%——
GTMZoomInfoUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Myriad Genetics-3.4%+2.9%-54.5%——
KMPRKemper CorporationUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Angi Inc.-3.0%+4.6%-18.6%——
LAURLaureate EducationUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026AH Realty Trust-1.3%-2.5%+6.1%——
VSECVSE CorporationUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Vicor Corporation-6.0%+4.0%+24.6%——
RITMRithm CapitalUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Dave & Buster's+1.4%+15.4%+4.1%——
LWLamb WestonUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Moog Inc.+0.2%+10.1%+11.2%——
MTCHMatch GroupUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Solstice Advanced Materials-3.4%+17.8%+14.3%——
SPHRSphere EntertainmentUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Bloomin' Brands-4.2%+16.2%+41.5%——
LTHLife Time Group HoldingsUpdated 9h agoS&P 600UnknownMar 23, 2026Mar 23, 2026Summit Hotel Properties-1.4%+5.1%+39.5%——
NSSCNapco Security TechnologiesUpdated 9h agoS&P 600UnknownMar 13, 2026Mar 13, 2026Alexander & Baldwin-4.5%+0.4%-14.4%-15.3%—
RNGRingCentralUpdated 9h agoS&P 600UnknownFeb 12, 2026Feb 12, 2026Hillenbrand+3.5%+33.3%+36.6%+124.6%—
MBINMerchants BancorpUpdated 9h agoS&P 600UnknownFeb 11, 2026Feb 11, 2026TreeHouse Foods-0.2%-10.3%-1.6%+16.6%—
OSWOneSpaWorld HoldingsUpdated 9h agoS&P 600UnknownFeb 10, 2026Feb 10, 2026Dynavax Technologies+4.3%-8.3%+7.3%+17.4%—
ADTADT Inc.Updated 9h agoS&P 600UnknownFeb 9, 2026Feb 9, 2026Arrowhead Pharmaceuticals-4.6%-19.1%-14.6%-4.2%—
APLSApellis PharmaceuticalsDelisted or renamedUpdated 9h agoS&P 600UnknownFeb 2, 2026Feb 2, 2026Advanced Energy—————
LZLegalZoomUpdated 9h agoS&P 600UnknownFeb 2, 2026Feb 2, 2026Elme Communities-13.3%-27.2%-26.1%-13.7%—
AMRXAmneal PharmaceuticalsUpdated 9h agoS&P 600UnknownJan 30, 2026Jan 30, 2026TTM Technologies+6.1%+1.0%-5.9%+39.6%—
WINAWinmarkUpdated 9h agoS&P 600UnknownJan 26, 2026Jan 26, 2026Guess, Inc.+0.2%-4.1%-13.1%-27.4%—
VSNTVersant Media GroupUpdated 9h agoS&P 600UnknownJan 7, 2026Jan 7, 2026Brandywine Realty Trust-0.8%-11.5%+15.5%+14.2%—
OPLNOPENLANE, Inc.Updated 9h agoS&P 600UnknownDec 26, 2025Dec 26, 2025OPENLANE, Inc.-5.8%-4.3%-13.5%+27.0%—
POWIPower IntegrationsUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Hecla Mining-3.1%+23.3%+26.0%+136.9%—
INDVIndiviorUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Sturm, Ruger & Co.-0.3%-9.5%-19.6%+5.1%—
VACMarriott Vacations WorldwideUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Thryv-0.6%+0.8%+17.5%+71.3%—
NSPInsperityUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Helen of Troy Limited-0.5%+20.9%-35.4%-2.6%—
LKQLKQ CorporationUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025BorgWarner+1.1%+11.8%-5.6%-12.8%—
SOLSSolstice Advanced MaterialsUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025CEVA, Inc.-1.7%+26.5%+33.9%+71.0%—
MHKMohawk IndustriesUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Shoe Carnival+0.8%+13.9%-11.4%+3.4%—
IRDMIridium CommunicationsUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025SITE Centers-5.2%+8.5%+41.3%+148.7%—
CWSTCasella Waste SystemsUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025AdvanSix+2.0%+6.1%-22.0%-12.7%—
HEHawaiian Electric IndustriesUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025MGP Ingredients+6.5%+25.3%+19.7%+10.8%—
PRIMPrimoris Services CorporationUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025SPX Corporation-1.3%+18.4%+8.4%-20.9%—
PRGOPerrigoUpdated 9h agoS&P 600UnknownDec 22, 2025Dec 22, 2025Ready Capital Corp+3.4%+10.9%-29.7%-20.1%—
SEZLSezzleUpdated 9h agoS&P 600UnknownDec 15, 2025Dec 15, 2025Vital Energy+13.6%+12.2%+0.2%+100.5%—
VITLVital FarmsUpdated 9h agoS&P 600UnknownDec 11, 2025Dec 11, 2025Heidrick & Struggles International-5.1%-9.1%-48.2%-69.2%—
FIBKFirst Interstate BancSystemUpdated 9h agoS&P 600UnknownDec 2, 2025Dec 2, 2025Hanesbrands+4.3%+5.6%+8.6%+11.4%—
UPWKUpworkUpdated 9h agoS&P 600UnknownNov 28, 2025Nov 28, 2025Premier+1.7%+5.6%-29.8%-56.2%—
PTCTPTC TherapeuticsUpdated 9h agoS&P 600UnknownNov 28, 2025Nov 28, 2025SanDisk-10.2%-8.6%-20.8%-17.8%—
RRRRed Rock Resorts, Inc.Updated 9h agoS&P 600UnknownNov 13, 2025Nov 13, 2025Sterling Infrastructure-7.8%+3.4%+10.5%-7.9%—
EMNEastman Chemical CompanyUpdated 9h agoS&P 600UnknownNov 4, 2025Nov 4, 2025Caleres+0.3%-0.1%+19.2%+30.9%—
KMXCarMaxUpdated 9h agoS&P 600UnknownOct 31, 2025Oct 31, 2025USANA Health Sciences-22.8%-7.8%+8.6%-8.5%—
BTSGBrightSpring Health ServicesUpdated 9h agoS&P 600UnknownOct 20, 2025Oct 20, 2025Veritex Holdings+11.0%+5.9%+28.7%+55.1%—
WUWestern UnionUpdated 9h agoS&P 600UnknownOct 6, 2025Oct 6, 2025Mr. Cooper+0.9%+9.9%+17.3%+13.5%—
ACMRACM ResearchUpdated 9h agoS&P 600UnknownSep 26, 2025Sep 26, 2025WK Kellogg Co+10.0%+10.5%+6.2%+20.8%—
REYNReynolds Consumer ProductsUpdated 9h agoS&P 600UnknownSep 24, 2025Sep 24, 2025SpartanNash+6.5%+1.5%+1.3%-7.6%—
CZRCaesars EntertainmentUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Kratos Defense & Security Solutions+8.3%-12.2%-5.3%+4.0%—
WENThe Wendy's CompanyUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Xerox-1.9%-1.0%-8.5%-21.1%—
MANManpowerGroupUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Mesa Laboratories+0.7%-11.7%-19.0%-27.8%—
WAYWaystar HoldingUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Jack in the Box-0.6%-0.0%-12.9%-36.2%—
QTWOQ2 HoldingsUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025B&G Foods-6.1%-22.0%-5.9%-38.8%—
NENoble CorporationUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Owens & Minor+2.8%+2.4%+1.2%+70.9%—
ACHCAcadia HealthcareUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Techtarget+6.6%+1.9%-37.4%-1.3%—
ENPHEnphase EnergyUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025ProPetro Holding-10.9%-10.9%-17.9%+8.9%—
HLHecla MiningUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025Simulations Plus+5.9%+15.7%+75.2%+53.6%—
MKTXMarketAxessUpdated 9h agoS&P 600UnknownSep 22, 2025Sep 22, 2025MP Materials-0.4%-3.7%+0.6%-1.6%—
MIRMirion TechnologiesUpdated 9h agoS&P 600UnknownSep 9, 2025Sep 9, 2025GMS, Inc.+8.3%+5.8%+14.4%-7.1%-24.8%
PRKSUnited Parks & ResortsUpdated 9h agoS&P 600UnknownSep 8, 2025Sep 8, 2025Foot Locker-2.2%+2.7%-32.6%-35.1%-22.3%
BHLBBerkshire Hills BancorpRenamed or acquired→ BHRBUpdated 9h agoS&P 600UnknownSep 2, 2025Sep 2, 2025Beacon Financial Corp.—————
KNTKKinetik HoldingsUpdated 9h agoS&P 600UnknownSep 2, 2025Sep 2, 2025Pacific Premier Bancorp+2.9%-3.6%-12.0%+15.8%+42.4%
SRPTSarepta TherapeuticsUpdated 9h agoS&P 600UnknownSep 2, 2025Sep 2, 2025Brookline Bancorp-2.9%+23.1%+8.6%-7.7%+27.8%
ADAMAdamas Trust, Inc.Updated 9h agoS&P 600UnknownSep 2, 2025Sep 2, 2025New York Mortgage Trust, Inc.+2.5%+0.5%+10.4%+23.5%+53.3%
KGSKodiak Gas ServicesUpdated 9h agoS&P 600UnknownAug 6, 2025Aug 6, 2025NV5 Global+9.2%+10.5%+15.0%+31.7%+83.2%
VCYTVeracyteUpdated 9h agoS&P 600UnknownJul 29, 2025Jul 29, 2025Triumph Group+2.2%+22.4%+47.0%+72.7%+127.7%
VCTRVictory CapitalUpdated 9h agoS&P 600UnknownJul 18, 2025Jul 18, 2025AeroVironment+2.6%+3.5%-3.0%-3.1%+47.0%
RALRalliant CorpUpdated 9h agoS&P 600UnknownJul 1, 2025Jul 1, 2025Wolfspeed+1.0%-3.8%-9.8%+8.6%+51.4%
HTOH2O AmericaUpdated 9h agoS&P 600UnknownJun 6, 2025Jun 6, 2025San Jose Water Group+3.3%+3.2%-1.8%-4.8%+15.7%
STRLSterling InfrastructureUpdated 9h agoS&P 600UnknownApr 17, 2025Apr 17, 2025Patterson Companies+4.1%+34.4%+73.4%+157.7%+230.5%
ACTEnact HoldingsUpdated 9h agoS&P 600UnknownApr 16, 2025Apr 16, 2025SolarWinds+1.8%+6.0%-0.0%+4.4%+23.6%
ANGIAngi Inc.Updated 9h agoS&P 600UnknownApr 2, 2025Apr 2, 2025The ODP Corporation-7.1%-15.8%+15.0%+18.0%-51.1%
TDCTeradataUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025ATI Inc.-7.3%-14.4%-12.0%-9.3%+7.6%
TFXTeleflexUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025VF Corporation-2.4%-6.0%-16.2%-12.9%-23.8%
NEOGNeogenUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025EchoStar-2.1%-44.5%-44.2%-36.7%+2.8%
WSCWillScot Holdings Corp.Updated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Nabors Industries-9.2%-23.7%-14.1%-25.8%-39.6%
CCChemoursUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Bath & Body Works, Inc.-6.4%-18.1%-25.1%+19.4%+44.7%
CECelaneseUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Alaska Air Group-4.5%-30.0%-9.9%-25.5%+2.5%
BWABorgWarnerUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Ambac Financial Group-2.7%-7.5%+11.7%+51.3%+89.5%
CLSKCleanSparkUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Hain Celestial Group-23.5%+0.9%+2.4%+54.9%+9.0%
KTOSKratos Defense & Security SolutionsUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Mativ Holdings-8.7%+1.3%+32.5%+148.3%+138.2%
RHPRyman Hospitality PropertiesUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Wabash National-4.1%-10.0%+3.6%+1.3%-2.1%
MWAMueller Water ProductsUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Green Plains Inc.-8.5%-7.1%-15.8%-8.5%+2.6%
FRPTFreshpetUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Fulgent Genetics-6.3%-16.5%-16.5%-42.1%-33.6%
FMCFMC CorporationUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Hims & Hers Health+2.5%-4.5%-0.3%-10.8%-62.6%
ESIElement SolutionsUpdated 9h agoS&P 600UnknownMar 24, 2025Mar 24, 2025Green Dot Corporation-11.7%-25.0%-15.8%+4.2%+33.4%
SNDKSanDiskUpdated 9h agoS&P 600UnknownFeb 25, 2025Feb 25, 2025Leslie's+1.1%+9.8%-22.6%-3.7%+1213.1%
KAIKadantUpdated 9h agoS&P 600UnknownFeb 19, 2025Feb 19, 2025Inari Medical-3.4%-15.1%-19.8%-12.9%-16.8%
GOLFAcushnet CompanyUpdated 9h agoS&P 600UnknownFeb 13, 2025Feb 13, 2025Retail Opportunity Investments-2.7%-4.0%+3.3%+12.6%+47.8%
MRPMillrose PropertiesUpdated 9h agoS&P 600UnknownFeb 10, 2025Feb 10, 2025Ironwood Pharmaceuticals-0.4%-5.3%+11.7%+41.6%+49.3%
ARWRArrowhead PharmaceuticalsUpdated 9h agoS&P 600UnknownJan 27, 2025Jan 27, 2025Barnes Group-7.5%-5.0%-34.6%-22.3%+230.4%
ENOVEnovisUpdated 9h agoS&P 600UnknownJan 14, 2025Jan 14, 2025Arch Resources+7.2%-2.3%-27.8%-24.0%-45.8%
ACADAcadia PharmaceuticalsUpdated 9h agoS&P 600UnknownJan 3, 2025Jan 3, 2025Independent Bank Group-6.2%+1.4%-12.4%+15.4%+42.8%
JBTMJBT Marel CorporationUpdated 9h agoS&P 600UnknownJan 3, 2025Jan 3, 2025John Bean Technologies Corporation-4.6%+4.2%-11.8%-1.1%+18.4%
GDYNGrid Dynamics HoldingsUpdated 9h agoS&P 600UnknownJan 2, 2025Jan 2, 2025Revelyst-4.0%+2.7%-29.0%-46.0%-59.9%
INSWInternational SeawaysUpdated 9h agoS&P 600UnknownDec 30, 2024Dec 30, 2024Consolidated Communications+0.7%+6.6%-3.7%+9.3%+47.6%
AMTMAmentumUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024Service Properties Trust+11.7%+15.8%-8.3%+9.4%+47.5%
QRVOQorvoUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024Kelly Services-2.5%+21.7%+0.4%+11.7%+20.6%
TRNOTerreno RealtyUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024Hudson Pacific Properties+0.0%+8.6%+6.3%-1.3%+4.9%
SKYChampion HomesUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024REGENXBIO-2.7%-1.7%+3.2%-33.8%-6.9%
CRICarter'sUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024Carpenter Technology-4.4%-0.8%-24.5%-42.7%-39.9%
VSHVishay IntertechnologyUpdated 9h agoS&P 600UnknownDec 23, 2024Dec 23, 2024Comerica-2.3%-0.2%-1.6%-10.4%-10.9%
CONConcentra Group HoldingsUpdated 9h agoS&P 600UnknownNov 27, 2024Nov 27, 2024Myers Industries-4.7%-9.1%+3.8%-5.2%-6.3%
AESIAtlas Energy SolutionsUpdated 9h agoS&P 600UnknownNov 26, 2024Nov 26, 2024Mueller Industries+2.0%-5.6%-11.5%-45.7%-62.7%
AZTAAzentaUpdated 9h agoS&P 600UnknownNov 25, 2024Nov 25, 2024Envestnet+3.6%+10.2%-1.8%-40.8%-16.4%
DFHDream Finders HomesUpdated 9h agoS&P 600UnknownNov 25, 2024Nov 25, 2024Haynes International-1.3%-29.4%-37.1%-38.1%-42.6%
ECGEverus Construction GroupUpdated 9h agoS&P 600UnknownNov 4, 2024Nov 4, 2024Clearwater Paper Corporation+18.9%+25.2%+28.1%-16.0%+61.3%
PENGPenguin Solutions, Inc.Updated 9h agoS&P 600UnknownOct 15, 2024Oct 15, 2024Smart Global Holdings, Inc.-23.6%-16.0%-5.5%-19.0%+11.0%
MDUMDU ResourcesUpdated 9h agoS&P 600UnknownOct 11, 2024Oct 11, 2024Chuy's+5.9%+13.2%+14.8%+4.3%+22.1%
HIMSHims & Hers HealthUpdated 9h agoS&P 600UnknownOct 9, 2024Oct 9, 2024Vector Group+19.4%+25.0%+47.7%+48.3%+211.0%
CRGYCrescent Energy CompanyUpdated 9h agoS&P 600UnknownOct 4, 2024Oct 4, 2024Perficient+3.7%-5.5%+15.6%-12.1%-27.1%
CURBCurbline PropertiesUpdated 9h agoS&P 600UnknownOct 1, 2024Oct 1, 2024Cross Country Healthcare+6.2%+0.1%+3.3%+7.5%+2.5%
TMDXTransMedics GroupUpdated 9h agoS&P 600UnknownOct 1, 2024Oct 1, 2024Ensign Group-4.6%-43.4%-59.1%-52.6%-20.7%
BBWIBath & Body Works, Inc.Updated 9h agoS&P 600UnknownOct 1, 2024Oct 1, 2024Movado-4.9%-8.7%+25.9%+0.7%-15.3%
ETSYEtsyUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Havertys+1.3%-9.5%+3.6%-17.7%+14.2%
ZDZiff DavisUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Fabrinet-2.9%-8.2%+12.1%-16.5%-26.8%
ZWSZurn Elkay Water SolutionsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Community Healthcare Trust+5.2%+5.7%+9.9%-1.6%+38.6%
WOLFWolfspeedDelisted or renamedUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Compass Minerals—————
PGNYProgynyUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Enhabit-2.5%-7.7%-16.6%+27.2%+24.9%
TGTXTG TherapeuticsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Dine Brands Global+0.6%-0.5%+38.5%+84.9%+53.0%
PIImpinjUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024B. Riley Financial+4.0%+6.9%-28.0%-56.6%-11.1%
CSWCSW IndustrialsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024AMC Networks+1.2%+5.4%-0.9%-19.0%-29.9%
INSPInspire Medical SystemsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Nu Skin Enterprises-2.6%-11.2%-13.4%-23.9%-64.5%
ADMAADMA BiologicsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Olympic Steel-0.2%-21.7%-13.1%-1.1%-20.2%
ADNTAdientUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Mercer International+2.0%-3.8%-23.8%-37.1%+10.5%
HELEHelen of Troy LimitedUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 20243D Systems Corporation+3.8%+8.4%+5.4%-11.3%-62.4%
YOUClear SecureUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Varex Imaging+1.0%+7.5%-18.4%-20.1%+16.2%
TGNATegna Inc.Renamed or acquired→ NXSTUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Designer Brands—————
MPMP MaterialsUpdated 9h agoS&P 600UnknownSep 23, 2024Sep 23, 2024Calavo Growers, Inc.+24.0%+25.6%+11.3%+82.0%+424.9%
INVXInnovex International, Inc.Updated 9h agoS&P 600UnknownSep 6, 2024Sep 6, 2024Dril-Quip, Inc.-4.1%-1.0%+1.4%+14.1%+9.1%

181 of 181 additions. “—” means the window hasn't elapsed yet.

How S&P SmallCap 600 additions work

Index committees review the S&P SmallCap 600 on a published schedule and also make ad hoc changes when a constituent is acquired, delisted or no longer eligible. A change is announced first and only takes effect after the close on the effective date. Between those two dates, every fund tracking the index (IJR, SLY) has to buy the incoming stock, which is why the window matters to traders.

Across the 181 S&P SmallCap 600 additions tracked here, the median notice between the announcement and the effective close is 0 days.

What happens to a stock after it joins S&P SmallCap 600

Inclusion is often described as a guaranteed pop. The tracked history is more mixed: the average stock ran up +3.1% in the 30 days into the effective close, then returned +0.1% in the first week (49% of additions were positive), +2.0% after one month, and +40.7% after a year. Returns are measured from the effective close and can also be viewed against the index itself, so a rising market doesn't get counted as an inclusion effect.

Best one-year outcome in this set: SNDK (SanDisk) at +1213.1%. Worst: INSP (Inspire Medical Systems) at -64.5%.

When are S&P SmallCap 600 changes announced?

Review cadences differ by index provider. Scheduled review, announcement and effective dates for the next twelve months are listed on the index review calendar. Ad hoc changes — a takeover, a bankruptcy, a fast-track promotion — are announced outside that schedule, usually with a few days' notice.

Most recent S&P 600 additions