FRONTIER CAPITAL MANAGEMENT CO LLC - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, FRONTIER CAPITAL MANAGEMENT CO LLC held in its portfolio 295 assets valued at $9,423,596,169 (i.e. $9.42B).

The most valuable assets in the portfolio included: FTAI AVIATION LTD ($255.23M), AMENTUM HOLDINGS INC ($167.42M), and GRANITE CONSTR INC ($145.10M).

The chart below shows the top 10 valuable assets, and the table below shows the top 295 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.
Data Source: SEC.
Top Valuable Stocks in FRONTIER CAPITAL MANAGEMENT CO LLC Portfolio
FTAI AVIATION LTD
AMENTUM HOLDINGS INC
GRANITE CONSTR INC
ATI INC
MONGODB INC
ASTERA LABS INC
NATERA INC
POPULAR INC
ALASKA AIR GROUP INC
EAGLE MATLS INC
FRONTIER CAPITAL MANAGEMENT CO LLC - Stock Holdings in 13F Filings (SEC)
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Name of Issuer No. of Shares Value ($) Class
FTAI AVIATION LTD 1296579 255231612 SHS
AMENTUM HOLDINGS INC 5772976 167416293 COM
GRANITE CONSTR INC 1257903 145099094 COM
ATI INC 1227453 140862463 COM
MONGODB INC 302093 126785300 CL A
ASTERA LABS INC 735341 122331362 COM
NATERA INC 521750 119527693 COM
POPULAR INC 954230 118820686 COM NEW
ALASKA AIR GROUP INC 2280772 114722821 COM
EAGLE MATLS INC 545349 112712730 COM
TERADYNE INC 571240 110569134 COM
KNIGHT-SWIFT TRANSN HLDGS IN 1954547 102183741 CL A
DARLING INGREDIENTS INC 2720397 97934310 COM
XPO INC 720353 97903168 COM
SANMINA CORPORATION 638741 95855821 COM
CIRCLE INTERNET GROUP INC 1130104 89617273 COM CL A
ULTRA CLEAN HLDGS INC 3509839 88904223 COM
UNITED THERAPEUTICS CORP DEL 181177 88278545 COM
ENTEGRIS INC 1047498 88251686 COM
MKS INC. 550735 88007378 COM
MATTEL INC 4215431 83634161 COM
ASHLAND INC 1425289 83621706 COM
MONOLITHIC PWR SYS INC 84118 76241035 COM
WINTRUST FINL CORP 543048 75929022 COM
LCI INDS 595842 72299494 COM
COHERENT CORP 390939 72155678 COM
LATTICE SEMICONDUCTOR CORP 978639 72008294 COM
RENASANT CORP 2008532 70740497 COM
INDIE SEMICONDUCTOR INC 18843494 66517533 CLASS A COM
BRIDGEBIO PHARMA INC 826131 63190753 COM
FIRST BANCORP P R 3048271 63190649 COM NEW
SAIA INC 184718 60314265 COM
ROYAL CARIBBEAN GROUP 215850 60204882 COM
BUILDERS FIRSTSOURCE INC 576172 59282332 COM
PURE STORAGE INC 880925 59030802 CL A
ELANCO ANIMAL HEALTH INC 2576502 58306239 COM
AGREE RLTY CORP 806232 58072891 COM
CUSHMAN AND WAKEFIELD LTD 3552632 57517112 COMMON SHARES
FIRST INDL RLTY TR INC 998257 57170178 COM
BURLINGTON STORES INC 196732 56826038 COM
GENIUS SPORTS LIMITED 5136036 56599115 SHARES CL A
PERDOCEO ED CORP 1912481 56093076 COM
WEATHERFORD INTL PLC 714541 55919971 ORD SHS
KBR INC 1381575 55539295 COM
REGAL REXNORD CORPORATION 389090 54597098 COM
EASTERN BANKSHARES INC 2961743 54584924 COM
STAG INDL INC 1467202 53934333 COM
BELDEN INC 462040 53850794 COM
INDEPENDENCE RLTY TR INC 3072365 53704943 COM
SILA REALTY TRUST INC 2284365 53248557 COMMON STOCK
FIRST AMERN FINL CORP 843345 51815131 COM
SELECTIVE INS GROUP INC 615218 51475322 COM
MDU RES GROUP INC 2615969 51063715 COM
WEBSTER FINL CORP 800420 50378435 COM
INSMED INC 284844 49574246 COM PAR $.01
KYMERA THERAPEUTICS INC 635957 49483814 COM
TIDEWATER INC NEW 948737 47920706 COM
CREDO TECHNOLOGY GROUP HOLDI 330472 47551616 ORDINARY SHARES
SILICON MOTION TECHNOLOGY CO 511471 47413399 SPONSORED ADR
SUN CTRY AIRLS HLDGS INC 3287513 47307310 COM
TRIUMPH FINANCIAL INC 751897 47091327 COM
CARPENTER TECHNOLOGY CORP 148544 46767648 COM
UNITY SOFTWARE INC 1050468 46399164 COM
TIMKEN CO 547835 46089359 COM
TD SYNNEX CORPORATION 306058 45979093 COM
DIGITALOCEAN HLDGS INC 952478 45833241 COM
ULTRAGENYX PHARMACEUTICAL IN 1965084 45196925 COM
MARVELL TECHNOLOGY INC 528983 44952975 COM
WSFS FINL CORP 792501 43777755 COM
VISTRA CORP 270468 43634602 COM
INTUITIVE MACHINES INC 2669079 43319152 CLASS A COM
ROCKET LAB CORP 620730 43302125 COM
NMI HLDGS INC 1059178 43203871 COM
ESSENTIAL PPTYS RLTY TR INC 1443961 42827883 COM
QUIDELORTHO CORP 1445342 41278968 COM
ADTALEM GLOBAL ED INC 397726 41152709 COM
AKAMAI TECHNOLOGIES INC 457055 39878063 COM
GARRETT MOTION INC 2281743 39770780 COM
LXP INDUSTRIAL TRUST 790585 39197204 COM
ALLEGIANT TRAVEL CO 458589 39103866 COM
ASBURY AUTOMOTIVE GROUP INC 168125 39094106 COM
AAR CORP 470637 38964015 COM
HEXCEL CORP NEW 500159 36961759 COM
TRANSMEDICS GROUP INC 302760 36830718 COM
JABIL INC 161398 36801908 COM
APOGEE THERAPEUTICS INC 480453 36264592 COM
SILGAN HLDGS INC 895925 36168492 COM
EPAM SYS INC 176028 36064583 COM
WAFD INC 1121853 35932952 COM
CHENIERE ENERGY INC 184077 35782728 COM NEW
FB FINL CORP 634877 35426137 COM
BILL HOLDINGS INC 641710 34998881 COM
HOPE BANCORP INC 3150194 34526127 COM
LITHIA MTRS INC 103735 34474253 COM
BANKUNITED INC 771143 34369844 COM
REVOLUTION MEDICINES INC 430768 34310673 COM
ATMUS FILTRATION TECHNOLOGIE 653554 33925988 COM
INTERFACE INC 1196943 33418649 COM
FAIR ISAAC CORP 19751 33391436 COM
CLOUDFLARE INC 168012 33123566 CL A COM
PLANET FITNESS INC 303871 32960900 CL A
INSULET CORP 115832 32924064 COM
INSIGHT ENTERPRISES INC 402074 32756969 COM
COHU INC 1398897 32552333 COM
ENVISTA HOLDINGS CORPORATION 1498462 32531610 COM
ARROW ELECTRS INC 293209 32305768 COM
MATADOR RES CO 759709 32242050 COM
SEACOAST BKG CORP FLA 1007330 31650300 COM NEW
CELSIUS HLDGS INC 678334 31026997 COM NEW
JAZZ PHARMACEUTICALS PLC 182201 30974251 SHS USD
AMPHENOL CORP NEW 227032 30681104 CL A
IDEXX LABS INC 45343 30675900 COM
DIODES INC 618898 30536427 COM
FLOWSERVE CORP 438871 30448870 COM
FTAI INFRASTRUCTURE INC 6576963 30319801 COMMON STOCK
KNIFE RIVER CORP 427512 30075469 COMMON STOCK
ALIGN TECHNOLOGY INC 191816 29952144 COM
COOPER COS INC 361296 29611857 COM
CARLYLE GROUP INC 498991 29495335 COM
PERMIAN RESOURCES CORP 2094793 29389940 CLASS A COM
PROCORE TECHNOLOGIES INC 401033 29171162 COM
RBC BEARINGS INC 64584 28961403 COM
AXSOME THERAPEUTICS INC 157691 28800684 COM
BETTER HOME & FINANCE HOLDIN 877822 28599441 COM NEW CL A
DRAFTKINGS INC NEW 817584 28173933 COM CL A
SONOCO PRODS CO 643626 28087839 COM
TRANSUNION 324954 27864820 COM
WINGSTOP INC 114139 27221010 COM
NUVALENT INC 270470 27206577 COM
UNITIL CORP 561172 27183172 COM
GIBRALTAR INDS INC 547668 27076706 COM
DOLBY LABORATORIES INC 418816 26896343 COM CL A
DONNELLEY FINL SOLUTIONS INC 572273 26719426 COM
ACV AUCTIONS INC 3313410 26573548 COM CL A
ENERSYS 178925 26257244 COM
COPT DEFENSE PROPERTIES 943655 26233609 SHS BEN INT
QUANTA SVCS INC 61778 26074097 COM
KONTOOR BRANDS INC 422821 25830135 COM
LGI HOMES INC 596125 25609530 COM
ROLLINS INC 417883 25081338 COM
DEXCOM INC 375331 24910718 COM
TRACTOR SUPPLY CO 496157 24812812 COM
COGNEX CORP 688622 24776620 COM
CHARLES RIV LABS INTL INC 123701 24675844 COM
MUELLER INDS INC 213712 24534124 COM
ERO COPPER CORP 858095 24275508 COM
GUIDEWIRE SOFTWARE INC 119563 24033346 COM
SNOWFLAKE INC 109177 23949067 COM SHS
L3HARRIS TECHNOLOGIES INC 78244 22970091 COM
TETRA TECHNOLOGIES INC DEL 2447472 22932817 COM
CITIZENS FINL GROUP INC 390545 22811731 COM
API GROUP CORP 594195 22733901 COM STK
STERIS PLC 88592 22459859 SHS USD
DYNE THERAPEUTICS INC 1138868 22276258 COM
NXP SEMICONDUCTORS N V 102224 22188741 COM
DATADOG INC 161214 21923492 CL A COM
ROBLOX CORP 269891 21869268 CL A
PAGAYA TECHNOLOGIES LTD 1040862 21754016 CL A NEW
WEAVE COMMUNICATIONS INC 2852273 21648752 COM
FLEX LTD 355136 21457295 ORD
MODINE MFG CO 159479 21292095 COM
LIFE TIME GROUP HOLDINGS INC 800784 21284839 COMMON STOCK
PERELLA WEINBERG PARTNERS 1220833 21120403 CLASS A COM
AVANTOR INC 1812009 20765620 COM
AON PLC 58593 20676298 SHS CL A
TRINET GROUP INC 344773 20386427 COM
NEPTUNE INS HLDGS INC 694665 20256431 CL A
METTLER TOLEDO INTERNATIONAL 14494 20207390 COM
RXO INC 1561071 19731937 COMMON STOCK
ALNYLAM PHARMACEUTICALS INC 48859 19428781 COM
DOMINOS PIZZA INC 46488 19377128 COM
VOYAGER TECHNOLOGIES INC 737868 19287878 COM CL A
WESCO INTL INC 78576 19222833 COM
MERIT MED SYS INC 217557 19175474 COM
VERA THERAPEUTICS INC 371151 18795087 CL A
LAMB WESTON HLDGS INC 439762 18421651 COM
UROGEN PHARMA LTD 781620 18305546 COM
BLOCK INC 280638 18266727 CL A
RESMED INC 75508 18187612 COM
M/I HOMES INC 141324 18082439 COM
VEEVA SYS INC 80856 18049485 CL A COM
CHIPOTLE MEXICAN GRILL INC 468941 17350817 COM
CACI INTL INC 32451 17289982 CL A
ON HLDG AG 365478 16987417 NAMEN AKT A
IONQ INC 373245 16747520 COM
CHURCH & DWIGHT CO INC 193275 16206109 COM
NASDAQ INC 166839 16205072 COM
QXO INC 836671 16139384 COM NEW
REDDIT INC 69593 15997343 CL A
ZSCALER INC 69535 15639812 COM
AGILENT TECHNOLOGIES INC 114743 15613080 COM
ATLAS ENERGY SOLUTIONS INC 1655363 15593519 COM NEW
FLYWIRE CORPORATION 1098194 15550427 COM VTG
MAGNITE INC 944701 15332489 COM
EVERUS CONSTR GROUP 177913 15222236 COM
VAREX IMAGING CORP 1305947 15214283 COM
KLA CORP 12477 15160553 COM NEW
GE HEALTHCARE TECHNOLOGIES I 182824 14995224 COMMON STOCK
VERICEL CORP 413705 14897501 COM
CHEESECAKE FACTORY INC 291262 14702906 COM
KIRBY CORP 132932 14646476 COM
MAXLINEAR INC 819504 14283958 COM
TREVI THERAPEUTICS INC 1108468 13878019 COM
ALLEGRO MICROSYSTEMS INC 524931 13847680 COM
MACOM TECH SOLUTIONS HLDGS I 80808 13840868 COM
ALCON AG 174910 13784657 ORD SHS
ODDITY TECH LTD 338722 13609850 SHS CL A
INTERNATIONAL SEAWAYS INC 275486 13374845 COM
CURTISS WRIGHT CORP 24078 13273320 COM
ICON PLC 72744 13255346 SHS
APPLIED INDL TECHNOLOGIES IN 51207 13148421 COM
INSPIRE MED SYS INC 142007 13097332 COM
WASTE CONNECTIONS INC 74454 13056253 COM
PARSONS CORP DEL 208138 12862956 COM
EVEREST GROUP LTD 37804 12828875 COM
QORVO INC 151007 12761607 COM
EVERCORE INC 37427 12734537 CLASS A
IRHYTHM TECHNOLOGIES INC 71048 12606770 COM
CINTAS CORP 66812 12565333 COM
REVVITY INC 128789 12460297 COM
BWX TECHNOLOGIES INC 70868 12248863 COM
CAESARS ENTERTAINMENT INC NE 522371 12218252 COM
BJS WHSL CLUB HLDGS INC 134903 12145320 COM
MARKEL GROUP INC 5568 11968778 COM
EQUIFAX INC 55039 11942361 COM
ALBEMARLE CORP 84024 11884347 COM
FLOOR & DECOR HLDGS INC 194840 11863808 CL A
HEALTHEQUITY INC 127646 11693676 COM
AEROVIRONMENT INC 48074 11628732 COM
HUBBELL INC 26009 11550983 COM
OPENLANE INC 387769 11547761 COM
UNIVERSAL DISPLAY CORP 95521 11154983 COM
PAYCOM SOFTWARE INC 68904 10980603 COM
FLUOR CORP NEW 274066 10861236 COM
JAMES HARDIE INDS PLC 513848 10662352 ORD SHS
GRID DYNAMICS HLDGS INC 1171806 10581409 CL A
STRIDE INC 160702 10434381 COM
RUSH STREET INTERACTIVE INC 536698 10428042 COM
MP MATERIALS CORP 204799 10346459 COM CL A
DEVON ENERGY CORP NEW 279196 10226961 COM
GRAPHIC PACKAGING HLDG CO 672224 10123693 COM
BERKLEY W R CORP 144341 10121194 COM
NEXTPOWER INC 114115 9940544 CLASS A COM
AGCO CORP 94271 9834392 COM
LULULEMON ATHLETICA INC 45679 9492553 COM
RYERSON HLDG CORP 374908 9432685 COM
TYLER TECHNOLOGIES INC 20711 9401634 COM
TANDEM DIABETES CARE INC 412269 9061672 COM NEW
SITIME CORP 25071 8854874 COM
KKR & CO INC 65002 8286455 COM
OKTA INC 94140 8140320 CL A
ARISTA NETWORKS INC 62109 8138142 COM SHS
TWILIO INC 56555 8044383 CL A
VERTIV HOLDINGS CO 49531 8024517 COM CL A
CHAMPION HOMES INC 92573 7822458 COM
MSCI INC 13537 7766583 COM
COGENT COMMUNICATIONS HLDGS 345803 7455517 COM NEW
PROCEPT BIOROBOTICS CORP 234180 7367303 COM
SWEETGREEN INC 1051122 7105585 COM CL A
ROSS STORES INC 39268 7073738 COM
APPLOVIN CORP 10496 7072415 COM CL A
KRATOS DEFENSE & SEC SOLUTIO 91909 6976847 COM NEW
VERTICAL AEROSPACE LTD 1242334 6621640 SHS NEW
ROGERS CORP 72167 6608296 COM
CDW CORP 46667 6356045 COM
AECOM 65698 6262988 COM
THE BALDWIN INSURANCE GRP IN 256901 6173331 COM CL A
ZETA GLOBAL HOLDINGS CORP 293526 5973254 CL A
ENOVIX CORPORATION 809513 5917540 COM
SOLENO THERAPEUTICS INC 119695 5541899 COM
PLANET LABS PBC 277871 5479620 COM CL A
BRIGHT HORIZONS FAM SOL IN D 50809 5152033 COM
KINDERCARE LEARNING COMPANIE 1041978 4501346 COM
GENTHERM INC 116815 4248560 COM
THE TRADE DESK INC 106915 4058493 COM CL A
LIBERTY ENERGY INC 181129 3343649 COM CL A
INNODATA INC 59534 3033257 COM NEW
KYNDRYL HLDGS INC 32219 855737 COMMON STOCK
SHOALS TECHNOLOGIES GROUP IN 86211 732796 CL A
SYMBOTIC INC 11298 672238 CLASS A COM
NISOURCE INC 12822 535447 COM
COTERRA ENERGY INC 12509 329237 COM
COREBRIDGE FINL INC 10702 322879 COM
LAMAR ADVERTISING CO NEW 2544 322020 CL A
ROYALTY PHARMA PLC 8070 311825 SHS CLASS A
SBA COMMUNICATIONS CORP NEW 1600 309488 CL A
LABCORP HOLDINGS INC 1233 309335 COM SHS
EQUITY RESIDENTIAL 4609 290551 SH BEN INT
JONES LANG LASALLE INC 817 274896 COM
LKQ CORP 8916 269263 COM
ULTA BEAUTY INC 442 267414 COM
GENERAC HLDGS INC 1887 257330 COM
NETAPP INC 2008 215037 COM
UNIVERSAL HLTH SVCS INC 986 214968 CL B
AVERY DENNISON CORP 1103 200614 COM