FRONTIER CAPITAL MANAGEMENT CO LLC 13F Holdings

CIK 0000351173 · BOSTON, MA

As of Sep 30, 2025, FRONTIER CAPITAL MANAGEMENT CO LLC reported 297 positions worth 0.3B in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
FTAI AVIATION LTDFTAIIndustrials1,822,760$304.1M2.95%
EAGLE MATERIALS INCEXPBasic Materials943,683$219.9M2.14%
TERADYNE INCTERTechnology1,426,648 96.4M1.91%
BUILDERS FIRSTSOURCE INCBLDRBasic Materials1,290,648 56.5M1.52%
MONOLITHIC POWER SYSTEMS INCMPWRTechnology163,916 50.9M1.47%
COHERENT CORPCOHRTechnology1,370,940 47.7M1.43%
XPO INCXPOIndustrials1,111,588 43.7M1.40%
GRANITE CONSTRUCTION INCGVAIndustrials1,297,017 42.2M1.38%
CARLYLE GROUP INCCGFinancial Services2,203,897 38.2M1.34%
ENTEGRIS INCENTGTechnology1,481,594 37.0M1.33%
POPULAR INCBPOPFinancial Services1,076,269 36.7M1.33%
MKS INCMKSITechnology1,080,763 33.8M1.30%
ATI INCATIIndustrials1,554,561 26.4M1.23%
AMENTUM HOLDINGS INCAMTMIndustrials5,202,680 24.6M1.21%
ROYAL CARIBBEAN CRUISES LTDRCLIndustrials353,891 14.5M1.11%
VERTIV HOLDINGS COVRTIndustrials712,641 07.5M1.04%
VISTRA CORPVSTUtilities539,134 05.6M1.03%
APPLOVIN CORPAPPTechnology142,788 02.6M1.00%
SILICON MOTION TECHNOLOGY CORPSIMOTechnology1,043,094$98.9M0.96%
SANMINA CORPSANMTechnology792,078$91.2M0.89%
CHENIERE ENERGY INCLNGEnergy381,528$89.7M0.87%
ALASKA AIR GROUP INCALKIndustrials1,789,020$89.1M0.86%
MONGODB INCMDBTechnology284,704$88.4M0.86%
DARLING INGREDIENTS INCDARConsumer Defensive2,848,900$87.9M0.85%
ROBLOX CORPRBLXCommunication Services633,275$87.7M0.85%