FRONTIER CAPITAL MANAGEMENT CO LLC

Institutional InvestorSimilar funds →SEC EDGAR: CIK 351173
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Email me the moment this fund files its next 13F

13F Reported Value

$10.7B

Holdings

300

Latest Filing

2026-06-30

Filing Quarter

Q2 2026

Portfolio Overview

FRONTIER CAPITAL MANAGEMENT CO LLC disclosed 300 positions worth $10.7B in its Form 13F-HR for Q2 2026, led by $FTAI (FTAI Aviation Ltd.) at 3.0% of the equity portfolio, followed by $GVA and $ALK. During the quarter the fund opened 33 new positions and exited 24 — including a new stake in $DT and a full exit from $MRVL. The portfolio is most concentrated in Industrials (24.3% of disclosed assets). All figures are sourced directly from FRONTIER CAPITAL MANAGEMENT CO LLC’s Form 13F-HR filing with the SEC under CIK 351173.

Sector Allocation

IndustrialsTechnologyHealthcareFinancialsConsumer DiscretionaryMaterials

AUM History

Top Equity Holdings by Value

Quarterly Activity — Q2 2026

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Top Holdings

AI Quality Scored

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32-signal composite ranking on each of FRONTIER CAPITAL MANAGEMENT CO LLC's 300 positions.

Showing top 10 of 300 holdings.

Sector Allocation

Industrials

$2.6B

Technology

$2.3B

Healthcare

$1.7B

Financials

$1.3B

Consumer Discretionary

$813.3M

Materials

$644.0M

Energy

$398.1M

Real Estate

$370.3M

Full Holdings — FRONTIER CAPITAL MANAGEMENT CO LLC (Q2 2026)

All 300 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

TickerCompanyValue
FTAI$FTAIFTAI Aviation Ltd.$320.2M
GVA$GVAGRANITE CONSTRUCTION INC$176.9M
ALK$ALKALASKA AIR GROUP, INC.$176.7M
AAOI$AAOIAPPLIED OPTOELECTRONICS, INC.$144.5M
AKAM$AKAMAKAMAI TECHNOLOGIES INC$134.4M
ASH$ASHASHLAND INC.$131.8M
LSCC$LSCCLATTICE SEMICONDUCTOR CORP$125.7M
BPOP$BPOPPOPULAR, INC.$119.1M
MDB$MDBMongoDB, Inc.$112.2M
UTHR$UTHRUNITED THERAPEUTICS Corp$112.1M
KNX$KNXKnight-Swift Transportation Holdings Inc.$109.9M
EXP$EXPEAGLE MATERIALS INC$103.2M
LRN$LRNStride, Inc.$102.8M
XPO$XPOXPO, Inc.$102.6M
BBIO$BBIOBridgeBio Pharma, Inc.$102.3M
LBRT$LBRTLiberty Energy Inc.$97.4M
SANM$SANMSANMINA CORP$95.7M
UCTT$UCTTUltra Clean Holdings, Inc.$95.2M
RARE$RAREUltragenyx Pharmaceutical Inc.$95.1M
PODD$PODDINSULET CORP$94.8M
MOD$MODMODINE MANUFACTURING CO$91.8M
FLS$FLSFLOWSERVE CORP$91.5M
KEX$KEXKIRBY CORP$90.6M
ALGT$ALGTAllegiant Travel CO$90.0M
EVERPURE INC - CL A$88.2M
AMTM$AMTMAmentum Holdings, Inc.$85.7M
KYMR$KYMRKymera Therapeutics, Inc.$85.0M
INSM$INSMINSMED Inc$84.8M
ATI$ATIATI INC$82.8M
RNST$RNSTRENASANT CORP$75.7M
ALAB$ALABAstera Labs, Inc.$74.7M
RCL$RCLROYAL CARIBBEAN CRUISES LTD$74.3M
PVLA$PVLAPALVELLA THERAPEUTICS, INC.$73.2M
DT$DTDynatrace, Inc.$71.8M
INDI$INDIindie Semiconductor, Inc.$71.5M
ADC$ADCAGREE REALTY CORP$71.4M
LUNR$LUNRIntuitive Machines, Inc.$67.9M
JAZZ$JAZZJazz Pharmaceuticals plc$66.8M
SAIA$SAIASAIA INC$63.8M
ENTG$ENTGENTEGRIS INC$63.3M
FBP$FBPFIRST BANCORP /PR/$63.1M
CRCL$CRCLCircle Internet Group, Inc.$62.9M
HUBB$HUBBHUBBELL INC$62.8M
AXSM$AXSMAxsome Therapeutics, Inc.$62.2M
FLEX$FLEXFLEX LTD.$61.9M
WTFC$WTFCWINTRUST FINANCIAL CORP$61.8M
TDW$TDWTIDEWATER INC$59.6M
ATMU$ATMUAtmus Filtration Technologies Inc.$59.0M
JBL$JBLJABIL INC$58.7M
BLDR$BLDRBuilders FirstSource, Inc.$58.3M
SNOW$SNOWSnowflake Inc.$57.6M
TRVI$TRVITrevi Therapeutics, Inc.$57.3M
GENI$GENIGenius Sports Ltd$57.2M
BWIN$BWINBaldwin Insurance Group, Inc.$55.8M
VERA$VERAVera Therapeutics, Inc.$55.6M
URGN$URGNUroGen Pharma Ltd.$55.5M
MKSI$MKSIMKS INC$53.7M
GTX$GTXGarrett Motion Inc.$53.1M
ELAN$ELANElanco Animal Health Inc$52.6M
EBC$EBCEastern Bankshares, Inc.$51.9M
FAF$FAFFirst American Financial Corp$51.4M
APG$APGAPi Group Corp$51.0M
STAG$STAGSTAG Industrial, Inc.$50.7M
WFRD$WFRDWeatherford International plc$50.3M
AIR$AIRAAR CORP$50.1M
CRS$CRSCARPENTER TECHNOLOGY CORP$49.6M
PRDO$PRDOPERDOCEO EDUCATION Corp$49.5M
ACHC$ACHCAcadia Healthcare Company, Inc.$49.4M
CGNX$CGNXCOGNEX CORP$48.5M
FR$FRFIRST INDUSTRIAL REALTY TRUST INC$48.4M
DDOG$DDOGDatadog, Inc.$47.4M
NTRA$NTRANatera, Inc.$47.1M
PRIM$PRIMPrimoris Services Corp$46.5M
AR$ARANTERO RESOURCES Corp$46.3M
FICO$FICOFAIR ISAAC CORP$45.7M
MPWR$MPWRMONOLITHIC POWER SYSTEMS, INC.$45.2M
TFIN$TFINTriumph Financial, Inc.$44.6M
DAR$DARDARLING INGREDIENTS INC.$43.4M
SARO$SAROStandardAero, Inc.$43.3M
VOYG$VOYGVoyager Technologies, Inc./TX$43.3M
SNX$SNXTD SYNNEX CORP$43.3M
CHE$CHECHEMED CORP$42.2M
MDU$MDUMDU RESOURCES GROUP INC$42.2M
RRX$RRXREGAL REXNORD CORP$42.1M
PGY$PGYPagaya Technologies Ltd.$41.9M
ACVA$ACVAACV Auctions Inc.$41.8M
KBR$KBRKBR, INC.$41.6M
RYZ$RYZRyerson Holding Corp$41.4M
ERO$EROEro Copper Corp.$41.2M
NSIT$NSITINSIGHT ENTERPRISES INC$41.1M
WSFS$WSFSWSFS FINANCIAL CORP$41.1M
TER$TERTERADYNE, INC$40.9M
GPOR$GPORGULFPORT ENERGY CORP$40.9M
SBCF$SBCFSEACOAST BANKING CORP OF FLORIDA$40.8M
CRDO$CRDOCredo Technology Group Holding Ltd$40.7M
NET$NETCloudflare, Inc.$40.6M
APGE$APGEApogee Therapeutics, Inc.$40.3M
LMND$LMNDLemonade, Inc.$39.7M
IRT$IRTINDEPENDENCE REALTY TRUST, INC.$39.7M
PWR$PWRQUANTA SERVICES, INC.$38.9M
FIP$FIPFTAI Infrastructure Inc.$38.3M
CVSA$CVSACovista Inc.$37.7M
PLNT$PLNTPlanet Fitness, Inc.$37.6M
ROCK$ROCKGIBRALTAR INDUSTRIES, INC.$37.4M
SFNC$SFNCSIMMONS FIRST NATIONAL CORP$37.4M
SLGN$SLGNSILGAN HOLDINGS INC$37.0M
DXCM$DXCMDEXCOM INC$36.9M
SON$SONSONOCO PRODUCTS CO$36.6M
NVST$NVSTEnvista Holdings Corp$36.6M
WAFD$WAFDWAFD INC$36.5M
LCII$LCIILCI INDUSTRIES$36.2M
BJ$BJBJ's Wholesale Club Holdings, Inc.$35.9M
RKLB$RKLBRocket Lab Corp$35.8M
LXP$LXPLXP Industrial Trust$35.7M
FBK$FBKFB Financial Corp$35.6M
CIFR$CIFRCipher Digital Inc.$35.6M
IONQ$IONQIonQ, Inc.$35.5M
NMIH$NMIHNMI Holdings, Inc.$35.4M
AVTR$AVTRAvantor, Inc.$34.7M
ALKS$ALKSAlkermes plc.$34.6M
SIGI$SIGISELECTIVE INSURANCE GROUP INC$34.5M
ARW$ARWARROW ELECTRONICS, INC.$34.3M
LGIH$LGIHLGI Homes, Inc.$33.5M
EPRT$EPRTESSENTIAL PROPERTIES REALTY TRUST, INC.$33.4M
HOPE$HOPEHOPE BANCORP INC$33.1M
MLI$MLIMUELLER INDUSTRIES INC$33.1M
ETOR$ETOReToro Group Ltd.$32.8M
CDP$CDPCOPT DEFENSE PROPERTIES$32.7M
RBC$RBCRBC Bearings INC$32.6M
MMSI$MMSIMERIT MEDICAL SYSTEMS INC$32.5M
MTDR$MTDRMatador Resources Co$32.5M
OLED$OLEDUNIVERSAL DISPLAY CORP \PA\$31.6M
ST$STSensata Technologies Holding plc$31.4M
ZS$ZSZscaler, Inc.$31.4M
MANE$MANEVeradermics, Inc$31.3M
UAMY$UAMYUNITED STATES ANTIMONY CORP$31.2M
CWK$CWKCushman & Wakefield Ltd.$30.9M
TILE$TILEINTERFACE INC$30.1M
TKR$TKRTIMKEN CO$30.0M
BURL$BURLBurlington Stores, Inc.$29.9M
MOH$MOHMOLINA HEALTHCARE, INC.$29.4M
UTL$UTLUNITIL CORP$29.2M
ABG$ABGASBURY AUTOMOTIVE GROUP INC$28.9M
BDC$BDCBELDEN INC.$28.8M
PR$PRPermian Resources Corp$28.7M
KNF$KNFKnife River Corp$28.4M
RXO$RXORXO, Inc.$28.3M
TNET$TNETTRINET GROUP, INC.$28.2M
ODD$ODDOddity Tech Ltd$27.8M
FLR$FLRFLUOR CORP$27.2M
CVLT$CVLTCOMMVAULT SYSTEMS INC$27.1M
KTB$KTBKontoor Brands, Inc.$27.0M
HALO$HALOHALOZYME THERAPEUTICS, INC.$26.8M
SXI$SXISTANDEX INTERNATIONAL CORP/DE/$26.4M
DOCN$DOCNDigitalOcean Holdings, Inc.$26.4M
UMAC$UMACUnusual Machines, Inc.$26.1M
PWP$PWPPerella Weinberg Partners$25.9M
CFG$CFGCITIZENS FINANCIAL GROUP INC/RI$25.9M
INSW$INSWInternational Seaways, Inc.$25.7M
MTSI$MTSIMACOM Technology Solutions Holdings, Inc.$25.6M
MHO$MHOM/I HOMES, INC.$25.4M
CLYM$CLYMClimb Bio, Inc.$25.3M
PRAX$PRAXPraxis Precision Medicines, Inc.$24.8M
COR$CORCencora, Inc.$24.8M
PRCT$PRCTPROCEPT BioRobotics Corp$24.6M
LNG$LNGCheniere Energy, Inc.$24.2M
NXPI$NXPINXP Semiconductors N.V.$23.8M
BKU$BKUBankUnited, Inc.$23.7M
NP$NPNeptune Insurance Holdings Inc.$23.5M
PRCH$PRCHPorch Group, Inc.$23.3M
ALGM$ALGMALLEGRO MICROSYSTEMS, INC.$23.0M
VST$VSTVistra Corp.$22.9M
CELH$CELHCelsius Holdings, Inc.$22.8M
RDDT$RDDTReddit, Inc.$22.6M
LTH$LTHLife Time Group Holdings, Inc.$21.8M
NBIS$NBISNebius Group N.V.$21.6M
SYM$SYMSymbotic Inc.$21.6M
EVR$EVREvercore Inc.$21.3M
COHR$COHRCOHERENT CORP.$21.2M
VRSK$VRSKVerisk Analytics, Inc.$21.2M
VIK$VIKViking Holdings Ltd$20.6M
TTI$TTITETRA TECHNOLOGIES INC$20.3M
CAKE$CAKECHEESECAKE FACTORY INC$20.3M
TGTX$TGTXTG THERAPEUTICS, INC.$20.3M
AGI$AGIALAMOS GOLD INC$20.2M
RVTY$RVTYREVVITY, INC.$20.1M
ENS$ENSEnerSys$19.7M
STE$STESTERIS plc$19.4M
DYN$DYNDyne Therapeutics, Inc.$19.4M
COO$COOCOOPER COMPANIES, INC.$19.0M
DECK$DECKDECKERS OUTDOOR CORP$18.9M
LITE$LITELumentum Holdings Inc.$18.8M
WTS$WTSWATTS WATER TECHNOLOGIES INC$18.4M
MAT$MATMATTEL INC /DE/$18.4M
HOOD$HOODRobinhood Markets, Inc.$18.3M
ICLR$ICLRICON PLC$18.1M
YSS$YSSYork Space Systems Inc.$18.0M
WCC$WCCWESCO INTERNATIONAL INC$18.0M
IDXX$IDXXIDEXX LABORATORIES INC /DE$17.7M
OPLN$OPLNOPENLANE, Inc.$17.6M
DFIN$DFINDonnelley Financial Solutions, Inc.$17.6M
QXO$QXOQXO, Inc.$17.5M
BETR$BETRBetter Home & Finance Holding Co$17.2M
QRVO$QRVOQorvo, Inc.$17.1M
JHX$JHXJames Hardie Industries plc$16.9M
CMG$CMGCHIPOTLE MEXICAN GRILL INC$16.9M
CW$CWCURTISS WRIGHT CORP$16.8M
CHD$CHDCHURCH & DWIGHT CO INC /DE/$16.8M
HQY$HQYHEALTHEQUITY, INC.$16.6M
WING$WINGWingstop Inc.$16.4M
SYRE$SYRESpyre Therapeutics, Inc.$16.2M
MTD$MTDMETTLER TOLEDO INTERNATIONAL INC/$16.2M
IRTC$IRTCiRhythm Holdings, Inc.$15.8M
OKTA$OKTAOkta, Inc.$15.3M
SWKS$SWKSSKYWORKS SOLUTIONS, INC.$15.1M
COHU$COHUCOHU INC$14.8M
CACI$CACICACI INTERNATIONAL INC /DE/$14.8M
VCEL$VCELVericel Corp$14.7M
WEAV$WEAVWeave Communications, Inc.$14.7M
VRT$VRTVertiv Holdings Co$14.5M
RBLX$RBLXRoblox Corp$14.2M
SOLS$SOLSSolstice Advanced Materials Inc.$13.7M
CG$CGCarlyle Group Inc.$13.3M
A$AAGILENT TECHNOLOGIES, INC.$13.3M
MP$MPMP Materials Corp. / DE$13.1M
AIT$AITAPPLIED INDUSTRIAL TECHNOLOGIES INC$13.1M
SITM$SITMSITIME Corp$12.9M
MKL$MKLMARKEL GROUP INC.$12.8M
SYNA$SYNASYNAPTICS Inc$12.7M
MSI$MSIMotorola Solutions, Inc.$12.7M
MUSA$MUSAMurphy USA Inc.$12.7M
XYZ$XYZBlock, Inc.$12.4M
LHX$LHXL3HARRIS TECHNOLOGIES, INC. /DE/$12.2M
EG$EGEVEREST GROUP, LTD.$12.2M
EFX$EFXEQUIFAX INC$12.1M
AVAV$AVAVAeroVironment Inc$11.7M
CRL$CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.$11.6M
SILA$SILASila Realty Trust, Inc.$11.5M
VEEV$VEEVVEEVA SYSTEMS INC$11.5M
FRT$FRTFEDERAL REALTY INVESTMENT TRUST$11.2M
NXT$NXTNextpower Inc.$11.0M
AON$AONAon plc$11.0M
WCN$WCNWaste Connections, Inc.$10.9M
TRU$TRUTransUnion$10.6M
RRC$RRCRANGE RESOURCES CORP$10.6M
AGCO$AGCOAGCO CORP /DE$10.4M
ALC$ALCALCON INC$10.3M
GEHC$GEHCGE HealthCare Technologies Inc.$10.2M
TMDX$TMDXTransMedics Group, Inc.$10.0M
CTAS$CTASCINTAS CORP$9.9M
RVMD$RVMDRevolution Medicines, Inc.$9.7M
SKY$SKYChampion Homes, Inc.$9.4M
WRB$WRBBERKLEY W R CORP$9.4M
EVTL$EVTLVertical Aerospace Ltd.$9.4M
DKNG$DKNGDraftKings Inc.$9.3M
WDAY$WDAYWorkday, Inc.$9.2M
ALGN$ALGNALIGN TECHNOLOGY INC$9.1M
MSCI$MSCIMSCI Inc.$9.1M
HXL$HXLHEXCEL CORP /DE/$8.7M
GWRE$GWREGuidewire Software, Inc.$8.7M
ALNY$ALNYALNYLAM PHARMACEUTICALS, INC.$8.7M
THRM$THRMGentherm Inc$8.7M
DCI$DCIDONALDSON Co INC$8.5M
FND$FNDFloor & Decor Holdings, Inc.$8.1M
RSI$RSIRush Street Interactive, Inc.$7.7M
ONTO$ONTOONTO INNOVATION INC.$7.6M
PCOR$PCORPROCORE TECHNOLOGIES, INC.$7.4M
LW$LWLamb Weston Holdings, Inc.$7.4M
HTLD$HTLDHEARTLAND EXPRESS INC$7.1M
ALB$ALBALBEMARLE CORP$6.8M
EPAM$EPAMEPAM Systems, Inc.$6.1M
POOL$POOLPOOL CORP$5.8M
TNDM$TNDMTANDEM DIABETES CARE INC$5.7M
VREX$VREXVarex Imaging Corp$5.6M
GXO$GXOGXO Logistics, Inc.$5.6M
ROL$ROLROLLINS INC$5.5M
MIR$MIRMirion Technologies, Inc.$5.4M
CCOI$CCOICOGENT COMMUNICATIONS HOLDINGS, INC.$5.3M
DLB$DLBDolby Laboratories, Inc.$5.3M
AUR$AURAurora Innovation, Inc.$4.1M
FRMI$FRMIFermi Inc.$3.9M
SIMO$SIMOSilicon Motion Technology CORP$892,791
NI$NINISOURCE INC.$623,381
RPRX$RPRXRoyalty Pharma plc$462,634
NTAP$NTAPNetApp, Inc.$458,863
AJG$AJGArthur J. Gallagher & Co.$456,385
LAMR$LAMRLAMAR ADVERTISING CO/NEW$444,231
LAD$LADLITHIA MOTORS INC$394,485
VTRS$VTRSViatris Inc$392,411
LPLA$LPLALPL Financial Holdings Inc.$383,366
GNRC$GNRCGENERAC HOLDINGS INC.$378,018
DVN$DVNDEVON ENERGY CORP/DE$369,942
LH$LHLABCORP HOLDINGS INC.$353,080
AVY$AVYAvery Dennison Corp$324,862
JLL$JLLJONES LANG LASALLE INC$295,692
SBAC$SBACSBA COMMUNICATIONS CORP$288,689
PJT$PJTPJT Partners Inc.$273,805
BWA$BWABORGWARNER INC$271,775
ULTA$ULTAUlta Beauty, Inc.$229,098
PCG$PCGPG&E Corp$180,277

New Positions (33)

DT$DT Dynatrace, Inc.$71.8M
PRIM$PRIM Primoris Services Corp$46.5M
SARO$SARO StandardAero, Inc.$43.3M
ALKS$ALKS Alkermes plc.$34.6M
ETOR$ETOR eToro Group Ltd.$32.8M
ST$ST Sensata Technologies Holding plc$31.4M
MANE$MANE Veradermics, Inc$31.3M
UAMY$UAMY UNITED STATES ANTIMONY CORP$31.2M
MOH$MOH MOLINA HEALTHCARE, INC.$29.4M
HALO$HALO HALOZYME THERAPEUTICS, INC.$26.8M
SXI$SXI STANDEX INTERNATIONAL CORP/DE/$26.4M
UMAC$UMAC Unusual Machines, Inc.$26.1M
CLYM$CLYM Climb Bio, Inc.$25.3M
PRCH$PRCH Porch Group, Inc.$23.3M
NBIS$NBIS Nebius Group N.V.$21.6M

Exited Positions (24)

MRVL$MRVL Marvell Technology, Inc.
NUVL$NUVL Nuvalent, Inc.
DIOD$DIOD DIODES INC /DEL/
QDEL$QDEL QuidelOrtho Corp
DPZ$DPZ DOMINOS PIZZA INC
ECG$ECG Everus Construction Group, Inc.
ANET$ANET Arista Networks, Inc.
TSCO$TSCO TRACTOR SUPPLY CO /DE/
APH$APH AMPHENOL CORP /DE/
RMD$RMD RESMED INC
CZR$CZR Caesars Entertainment, Inc.
KLAC$KLAC KLA CORP
LULU$LULU lululemon athletica inc.
SNCY$SNCY Sun Country Airlines Holdings, LLC
NDAQ$NDAQ NASDAQ, INC.

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