Frontier Capital Management
Boston, MAfiles as FRONTIER CAPITAL MANAGEMENT CO LLC
$10.7bn in 300 US stocks at the end of 30 June 2026. The top 10 are 14.5% of the money. It changed about 21.8% of the portfolio this quarter.
Value
$10.7bn
Stocks
300
Top 10 share
14.5%
Turnover
21.8%
What changed this quarter
New
Bought for the first time this quarter.
- DynatraceDT0.7% of the fund
- Primoris ServicesPRIM0.4% of the fund
- StandardAeroSARO0.4% of the fund
- Alkermes plc.ALKS0.3% of the fund
- eToro GroupETOR0.3% of the fund
- Sensata Technologies HoldingST0.3% of the fund
- VeradermicsMANE0.3% of the fund
- United States AntimonyUAMY0.3% of the fund
- Molina HealthcareMOH0.3% of the fund
- Halozyme TherapeuticsHALO0.2% of the fund
- Standex InternationalSXI0.2% of the fund
- Unusual MachinesUMAC0.2% of the fund
- Climb BioCLYM0.2% of the fund
- Porch GroupPRCH0.2% of the fund
- Nebius GroupNBIS0.2% of the fund
- Verisk AnalyticsVRSK0.2% of the fund
- Viking HoldingsVIK0.2% of the fund
- TG TherapeuticsTGTX0.2% of the fund
- Lumentum HoldingsLITE0.2% of the fund
- Watts Water TechnologiesWTS0.2% of the fund
- Robinhood MarketsHOOD0.2% of the fund
- York Space SystemsYSS0.2% of the fund
- Spyre TherapeuticsSYRE0.2% of the fund
- Federal Realty Investment TrustFRT0.1% of the fund
- DonaldsonDCI<0.1% of the fund
Added
Bought more of a stock they already held.
- FTAI AviationFTAI3.0% of the fund+11%
- Applied OptoelectronicsAAOI1.3% of the fund+243%
- Akamai TechnologiesAKAM1.3% of the fund+10%
- AshlandASH1.2% of the fund+5%
- Lattice SemiconductorLSCC1.2% of the fund+36%
- MongoDBMDB1.0% of the fund+56%
- BridgeBio PharmaBBIO1.0% of the fund+43%
- Liberty EnergyLBRT0.9% of the fund+49%
- Ultragenyx PharmaceuticalRARE0.9% of the fund+30%
- InsuletPODD0.9% of the fund+261%
- Modine ManufacturingMOD0.9% of the fund+69%
- FlowserveFLS0.9% of the fund+167%
- KirbyKEX0.8% of the fund+3%
- Allegiant TravelALGT0.8% of the fund+27%
- EverpureP0.8% of the fund+19%
- InsmedINSM0.8% of the fund+69%
- RenasantRNST0.7% of the fund+4%
- Palvella TherapeuticsPVLA0.7% of the fund+28%
- HubbellHUBB0.6% of the fund+379%
- Axsome TherapeuticsAXSM0.6% of the fund+25%
- FlexFLEX0.6% of the fund+6%
- Atmus Filtration TechnologiesATMU0.6% of the fund+56%
- SnowflakeSNOW0.5% of the fund+218%
- Trevi TherapeuticsTRVI0.5% of the fund+54%
- Genius SportsGENI0.5% of the fund+90%
Cut
Sold some of their stake.
- Granite ConstructionGVA1.6% of the fund-6%
- PopularBPOP1.1% of the fund-9%
- United TherapeuticsUTHR1.0% of the fund-18%
- Knight-Swift Transportation HoldingsKNX1.0% of the fund-32%
- Eagle MaterialsEXP1.0% of the fund-25%
- StrideLRN1.0% of the fund-23%
- XPOXPO1.0% of the fund-23%
- SanminaSANM0.9% of the fund-41%
- Ultra Clean HoldingsUCTT0.9% of the fund-63%
- Amentum HoldingsAMTM0.8% of the fund-16%
- Kymera TherapeuticsKYMR0.8% of the fund-3%
- ATIATI0.8% of the fund-40%
- Astera LabsALAB0.7% of the fund-78%
- indie SemiconductorINDI0.7% of the fund-17%
- Agree RealtyADC0.7% of the fund-14%
- Intuitive MachinesLUNR0.6% of the fund-10%
- Jazz PharmaceuticalsJAZZ0.6% of the fund-46%
- SaiaSAIA0.6% of the fund-17%
- EntegrisENTG0.6% of the fund-53%
- First BancorpFBP0.6% of the fund-17%
- Circle Internet GroupCRCL0.6% of the fund-35%
- Wintrust FinancialWTFC0.6% of the fund-17%
- TidewaterTDW0.6% of the fund-17%
- JabilJBL0.5% of the fund-8%
- Builders FirstSourceBLDR0.5% of the fund-24%
Sold out
Sold their entire stake.
- Marvell TechnologyMRVL-100%
- Nuvalent-100%
- Diodes INC /delDIOD-100%
- QuidelOrthoQDEL-100%
- Dominos PizzaDPZ-100%
- Everus Construction GroupECG-100%
- Arista NetworksANET-100%
- Tractor SupplyTSCO-100%
- AmphenolAPH-100%
- ResmedRMD-100%
- Caesars EntertainmentCZR-100%
- KLAKLAC-100%
- lululemon athleticaLULU-100%
- Sun Ctry Airls HldgsSNCY-100%
- NasdaqNDAQ-100%
- Trade DeskTTD-100%
- Grid Dynamics HoldingsGDYN-100%
- Ross StoresROST-100%
- Viridian TherapeuticsVRDN-100%
- Shoals Technologies GroupSHLS-100%
- ParsonsPSN-100%
- Coterra EnergyCTRA-100%
- Alignment HealthcareALHC-100%
- LKQLKQ-100%
Holdings
- Ero CopperERO
- Share
- 0.4%
- Value
- $41m
- Shares
- 1,540,063
+23%
- Apogee TherapeuticsAPGE
- Share
- 0.4%
- Value
- $40m
- Shares
- 303,739
-71%
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| FTAI AviationFTAI | 3.0% | $320m | 1,183,492 | +11% |
| Granite ConstructionGVA | 1.6% | $177m | 1,118,881 | -6% |
| Alaska Air GroupALK | 1.6% | $177m | 3,384,643 | Held |
| Applied OptoelectronicsAAOI | 1.3% | $145m | 975,318 | +243% |
| Akamai TechnologiesAKAM | 1.3% | $134m | 1,136,573 | +10% |
| AshlandASH | 1.2% | $132m | 1,999,908 | +5% |
| Lattice SemiconductorLSCC | 1.2% | $126m | 821,848 | +36% |
| PopularBPOP | 1.1% | $119m | 725,227 | -9% |
| MongoDBMDB | 1.0% | $112m | 334,098 | +56% |
| United TherapeuticsUTHR | 1.0% | $112m | 206,808 | -18% |
| Knight-Swift Transportation HoldingsKNX | 1.0% | $110m | 1,410,955 | -32% |
| Eagle MaterialsEXP | 1.0% | $103m | 458,621 | -25% |
| StrideLRN | 1.0% | $103m | 1,191,710 | -23% |
| XPOXPO | 1.0% | $103m | 499,601 | -23% |
| BridgeBio PharmaBBIO | 1.0% | $102m | 1,373,057 | +43% |
| Liberty EnergyLBRT | 0.9% | $97m | 3,720,666 | +49% |
| SanminaSANM | 0.9% | $96m | 378,111 | -41% |
| Ultra Clean HoldingsUCTT | 0.9% | $95m | 667,532 | -63% |
| Ultragenyx PharmaceuticalRARE | 0.9% | $95m | 2,847,936 | +30% |
| InsuletPODD | 0.9% | $95m | 622,506 | +261% |
| Modine ManufacturingMOD | 0.9% | $92m | 343,868 | +69% |
| FlowserveFLS | 0.9% | $91m | 1,233,291 | +167% |
| KirbyKEX | 0.8% | $91m | 666,554 | +3% |
| Allegiant TravelALGT | 0.8% | $90m | 765,347 | +27% |
| EverpureP | 0.8% | $88m | 1,120,040 | +19% |
| Amentum HoldingsAMTM | 0.8% | $86m | 4,143,971 | -16% |
| Kymera TherapeuticsKYMR | 0.8% | $85m | 740,866 | -3% |
| InsmedINSM | 0.8% | $85m | 795,242 | +69% |
| ATIATI | 0.8% | $83m | 419,968 | -40% |
| RenasantRNST | 0.7% | $76m | 1,778,953 | +4% |
| Astera LabsALAB | 0.7% | $75m | 154,601 | -78% |
| Royal Caribbean CruisesRCL | 0.7% | $74m | 233,963 | Held |
| Palvella TherapeuticsPVLA | 0.7% | $73m | 478,833 | +28% |
| DynatraceDT | 0.7% | $72m | 1,635,587 | New |
| indie SemiconductorINDI | 0.7% | $71m | 15,914,169 | -17% |
| Agree RealtyADC | 0.7% | $71m | 943,005 | -14% |
| Intuitive MachinesLUNR | 0.6% | $68m | 3,173,434 | -10% |
| Jazz PharmaceuticalsJAZZ | 0.6% | $67m | 277,279 | -46% |
| SaiaSAIA | 0.6% | $64m | 151,477 | -17% |
| EntegrisENTG | 0.6% | $63m | 351,950 | -53% |
| First BancorpFBP | 0.6% | $63m | 2,422,265 | -17% |
| Circle Internet GroupCRCL | 0.6% | $63m | 1,004,783 | -35% |
| HubbellHUBB | 0.6% | $63m | 119,997 | +379% |
| Axsome TherapeuticsAXSM | 0.6% | $62m | 254,280 | +25% |
| FlexFLEX | 0.6% | $62m | 382,135 | +6% |
| Wintrust FinancialWTFC | 0.6% | $62m | 384,593 | -17% |
| TidewaterTDW | 0.6% | $60m | 894,796 | -17% |
| Atmus Filtration TechnologiesATMU | 0.6% | $59m | 1,157,930 | +56% |
| JabilJBL | 0.5% | $59m | 152,187 | -8% |
| Builders FirstSourceBLDR | 0.5% | $58m | 651,389 | -24% |
| SnowflakeSNOW | 0.5% | $58m | 226,439 | +218% |
| Trevi TherapeuticsTRVI | 0.5% | $57m | 3,070,740 | +54% |
| Genius SportsGENI | 0.5% | $57m | 9,432,864 | +90% |
| Baldwin Insurance GroupBWIN | 0.5% | $56m | 2,097,658 | +90% |
| Vera TherapeuticsVERA | 0.5% | $56m | 1,295,405 | +135% |
| UroGen PharmaURGN | 0.5% | $56m | 1,508,547 | +15% |
| MKSMKSI | 0.5% | $54m | 120,625 | -25% |
| Garrett MotionGTX | 0.5% | $53m | 1,466,821 | -45% |
| Elanco Animal HealthELAN | 0.5% | $53m | 2,138,550 | -9% |
| Eastern BanksharesEBC | 0.5% | $52m | 2,332,022 | -18% |
| First American FinancialFAF | 0.5% | $51m | 749,097 | -15% |
| APi GroupAPG | 0.5% | $51m | 1,203,831 | +120% |
| STAG IndustrialSTAG | 0.5% | $51m | 1,331,842 | -11% |
| Weatherford InternationalWFRD | 0.5% | $50m | 617,390 | -15% |
| AARAIR | 0.5% | $50m | 350,441 | -18% |
| Carpenter TechnologyCRS | 0.5% | $50m | 80,488 | -19% |
| Perdoceo EducationPRDO | 0.5% | $50m | 1,547,631 | -16% |
| Acadia Healthcare CompanyACHC | 0.5% | $49m | 1,672,857 | +191% |
| CognexCGNX | 0.5% | $48m | 669,588 | -4% |
| First Industrial Realty TrustFR | 0.5% | $48m | 788,792 | -17% |
| DatadogDDOG | 0.4% | $47m | 182,164 | +95% |
| NateraNTRA | 0.4% | $47m | 173,547 | -41% |
| Primoris ServicesPRIM | 0.4% | $46m | 468,762 | New |
| Antero ResourcesAR | 0.4% | $46m | 1,318,103 | -2% |
| Fair IsaacFICO | 0.4% | $46m | 38,278 | +22% |
| Monolithic Power SystemsMPWR | 0.4% | $45m | 32,723 | -59% |
| Triumph FinancialTFIN | 0.4% | $45m | 584,333 | -9% |
| Darling IngredientsDAR | 0.4% | $43m | 793,866 | -68% |
| StandardAeroSARO | 0.4% | $43m | 1,449,333 | New |
| Voyager TechnologiesVOYG | 0.4% | $43m | 1,343,054 | +9% |
| TD SynnexSNX | 0.4% | $43m | 161,933 | -45% |
| ChemedCHE | 0.4% | $42m | 90,567 | +44% |
| MDU Resources GroupMDU | 0.4% | $42m | 1,987,666 | -21% |
| Regal RexnordRRX | 0.4% | $42m | 176,675 | -19% |
| Pagaya TechnologiesPGY | 0.4% | $42m | 2,296,417 | +1068% |
| ACV AuctionsACVA | 0.4% | $42m | 5,813,660 | +48% |
| KBRKBR | 0.4% | $42m | 1,206,062 | -16% |
| Ryerson HoldingRYZ | 0.4% | $41m | 1,683,408 | +11% |
| Ero CopperERO | 0.4% | $41m | 1,540,063 | +23% |
| Insight EnterprisesNSIT | 0.4% | $41m | 337,686 | -33% |
| Wsfs FinancialWSFS | 0.4% | $41m | 535,179 | -21% |
| TeradyneTER | 0.4% | $41m | 84,563 | -54% |
| Gulfport EnergyGPOR | 0.4% | $41m | 240,790 | +8% |
| Seacoast Banking Corp of FloridaSBCF | 0.4% | $41m | 1,227,771 | +23% |
| Credo Technology Group HoldingCRDO | 0.4% | $41m | 149,509 | +33% |
| CloudflareNET | 0.4% | $41m | 165,415 | +5% |
| Apogee TherapeuticsAPGE | 0.4% | $40m | 303,739 | -71% |
| LemonadeLMND | 0.4% | $40m | 609,820 | -9% |
| Independence Realty TrustIRT | 0.4% | $40m | 2,376,740 | -17% |
| Quanta ServicesPWR | 0.4% | $39m | 54,069 | -5% |
Showing the largest 100 of 300.
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is down 0.7% since 30 June 2025.
Where the money is
Technology25.2%
Industrials21.4%
Health care17.3%
Financial services12.0%
Retail & consumer9.8%
Materials5.2%
Real estate3.3%
Energy3.3%
Everyday goods1.2%
Utilities1.0%
Media & telecom0.3%
Other0.1%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.