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FRONTIER CAPITAL MANAGEMENT CO LLC
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $10,728,145,572
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- FTAI AVIATION LTD · SHS · G3730V105 · shares: $320,170,153
- GRANITE CONSTR INC · COM · 387328107 · shares: $176,872,715
- ALASKA AIR GROUP INC · COM · 011659109 · shares: $176,678,385
- APPLIED OPTOELECTRONICS INC · COM · 03823U102 · shares: $144,503,042
- AKAMAI TECHNOLOGIES INC · COM · 00971T101 · shares: $134,354,286
- ASHLAND INC · COM · 044186104 · shares: $131,773,923
- LATTICE SEMICONDUCTOR CORP · COM · 518415104 · shares: $125,709,914
- POPULAR INC · COM NEW · 733174700 · shares: $119,067,801
- MONGODB INC · CL A · 60937P106 · shares: $112,223,606
- UNITED THERAPEUTICS CORP DEL · COM · 91307C102 · shares: $112,054,808
Reported holdings
300 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| FTAI AVIATION LTD | SHS | G3730V105 | — | 1,183,492 shares | $320,170,153 |
| GRANITE CONSTR INC | COM | 387328107 | — | 1,118,881 shares | $176,872,715 |
| ALASKA AIR GROUP INC | COM | 011659109 | — | 3,384,643 shares | $176,678,385 |
| APPLIED OPTOELECTRONICS INC | COM | 03823U102 | — | 975,318 shares | $144,503,042 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 | — | 1,136,573 shares | $134,354,286 |
| ASHLAND INC | COM | 044186104 | — | 1,999,908 shares | $131,773,923 |
| LATTICE SEMICONDUCTOR CORP | COM | 518415104 | — | 821,848 shares | $125,709,914 |
| POPULAR INC | COM NEW | 733174700 | — | 725,227 shares | $119,067,801 |
| MONGODB INC | CL A | 60937P106 | — | 334,098 shares | $112,223,606 |
| UNITED THERAPEUTICS CORP DEL | COM | 91307C102 | — | 206,808 shares | $112,054,808 |
| KNIGHT-SWIFT TRANSN HLDGS IN | CL A | 499049104 | — | 1,410,955 shares | $109,871,061 |
| EAGLE MATLS INC | COM | 26969P108 | — | 458,621 shares | $103,189,780 |
| STRIDE INC | COM | 86333M108 | — | 1,191,710 shares | $102,773,099 |
| XPO INC | COM | 983793100 | — | 499,601 shares | $102,563,111 |
| BRIDGEBIO PHARMA INC | COM | 10806X102 | — | 1,373,057 shares | $102,265,291 |
| LIBERTY ENERGY INC | COM CL A | 53115L104 | — | 3,720,666 shares | $97,444,254 |
| SANMINA CORP | COM | 801056102 | — | 378,111 shares | $95,692,357 |
| ULTRA CLEAN HLDGS INC | COM | 90385V107 | — | 667,532 shares | $95,183,387 |
| ULTRAGENYX PHARMACEUTICAL IN | COM | 90400D108 | — | 2,847,936 shares | $95,092,590 |
| INSULET CORP | COM | 45784P101 | — | 622,506 shares | $94,776,509 |
| MODINE MFG CO | COM | 607828100 | — | 343,868 shares | $91,819,607 |
| FLOWSERVE CORP | COM | 34354P105 | — | 1,233,291 shares | $91,460,894 |
| KIRBY CORP | COM | 497266106 | — | 666,554 shares | $90,631,405 |
| ALLEGIANT TRAVEL CO | COM | 01748X102 | — | 765,347 shares | $90,004,856 |
| EVERPURE INC | CL A | 74624M102 | — | 1,120,040 shares | $88,247,971 |
| AMENTUM HOLDINGS INC | COM | 023939101 | — | 4,143,971 shares | $85,655,891 |
| KYMERA THERAPEUTICS INC | COM | 501575104 | — | 740,866 shares | $84,955,104 |
| INSMED INC | COM PAR $.01 | 457669307 | — | 795,242 shares | $84,788,663 |
| ATI INC | COM | 01741R102 | — | 419,968 shares | $82,775,691 |
| RENASANT CORP | COM | 75970E107 | — | 1,778,953 shares | $75,676,661 |
| ASTERA LABS INC | COM | 04626A103 | — | 154,601 shares | $74,675,474 |
| ROYAL CARIBBEAN GROUP | COM | V7780T103 | — | 233,963 shares | $74,290,271 |
| PALVELLA THERAPEUTICS INC NE | COM | 697947109 | — | 478,833 shares | $73,175,272 |
| DYNATRACE INC | COM NEW | 268150109 | — | 1,635,587 shares | $71,818,625 |
| INDIE SEMICONDUCTOR INC | CLASS A COM | 45569U101 | — | 15,914,169 shares | $71,454,618 |
| AGREE RLTY CORP | COM | 008492100 | — | 943,005 shares | $71,423,199 |
| INTUITIVE MACHINES INC | CLASS A COM | 46125A100 | — | 3,173,434 shares | $67,879,752 |
| JAZZ PHARMACEUTICALS PLC | SHS USD | G50871105 | — | 277,279 shares | $66,815,854 |
| SAIA INC | COM | 78709Y105 | — | 151,477 shares | $63,796,150 |
| ENTEGRIS INC | COM | 29362U104 | — | 351,950 shares | $63,301,760 |
| FIRST BANCORP CORPORATION | COM NEW | 318672706 | — | 2,422,265 shares | $63,148,454 |
| CIRCLE INTERNET GROUP INC | COM CL A | 172573107 | — | 1,004,783 shares | $62,929,568 |
| HUBBELL INC | COM | 443510607 | — | 119,997 shares | $62,782,657 |
| AXSOME THERAPEUTICS INC. | COM | 05464T104 | — | 254,280 shares | $62,240,116 |
| FLEX LTD | ORD | Y2573F102 | — | 382,135 shares | $61,932,675 |
| WINTRUST FINL CORP | COM | 97650W108 | — | 384,593 shares | $61,811,710 |
| TIDEWATER INC NEW | COM | 88642R109 | — | 894,796 shares | $59,620,257 |
| ATMUS FILTRATION TECHNOLOGIE | COM | 04956D107 | — | 1,157,930 shares | $59,042,838 |
| JABIL INC | COM | 466313103 | — | 152,187 shares | $58,665,019 |
| BUILDERS FIRSTSOURCE INC | COM | 12008R107 | — | 651,389 shares | $58,286,271 |
| SNOWFLAKE INC | COM SHS | 833445109 | — | 226,439 shares | $57,628,726 |
| TREVI THERAPEUTICS INC | COM | 89532M101 | — | 3,070,740 shares | $57,269,301 |
| GENIUS SPORTS LIMITED | SHARES CL A | G3934V109 | — | 9,432,864 shares | $57,163,156 |
| THE BALDWIN INSURANCE GRP IN | COM CL A | 05589G102 | — | 2,097,658 shares | $55,755,750 |
| VERA THERAPEUTICS INC | CL A | 92337R101 | — | 1,295,405 shares | $55,585,829 |
| UROGEN PHARMA LTD | COM | M96088105 | — | 1,508,547 shares | $55,514,521 |
| MKS INC. | COM | 55306N104 | — | 120,625 shares | $53,653,842 |
| GARRETT MOTION INC | COM | 366505105 | — | 1,466,821 shares | $53,142,925 |
| ELANCO ANIMAL HEALTH INC | COM | 28414H103 | — | 2,138,550 shares | $52,629,706 |
| EASTERN BANKSHARES INC | COM | 27627N105 | — | 2,332,022 shares | $51,864,172 |
| FIRST AMERN FINL CORP | COM | 31847R102 | — | 749,097 shares | $51,380,588 |
| API GROUP CORP | COM STK | 00187Y100 | — | 1,203,831 shares | $50,982,243 |
| STAG INDUSTRIAL INC | COM | 85254J102 | — | 1,331,842 shares | $50,689,892 |
| WEATHERFORD INTL PLC | ORD SHS | G48833118 | — | 617,390 shares | $50,317,287 |
| AAR CORP | COM | 000361105 | — | 350,441 shares | $50,088,598 |
| CARPENTER TECHNOLOGY CORP | COM | 144285103 | — | 80,488 shares | $49,648,291 |
| PERDOCEO ED CORP | COM | 71363P106 | — | 1,547,631 shares | $49,524,201 |
| ACADIA HEALTHCARE COMPANY IN | COM | 00404A109 | — | 1,672,857 shares | $49,399,461 |
| COGNEX CORP | COM | 192422103 | — | 669,588 shares | $48,491,576 |
| FIRST INDL RLTY TR INC | COM | 32054K103 | — | 788,792 shares | $48,360,838 |
| DATADOG INC | CL A COM | 23804L103 | — | 182,164 shares | $47,428,219 |
| NATERA INC | COM | 632307104 | — | 173,547 shares | $47,109,261 |
| PRIMORIS SVCS CORP | COM | 74164F103 | — | 468,762 shares | $46,463,733 |
| ANTERO RESOURCES CORP | COM | 03674X106 | — | 1,318,103 shares | $46,318,139 |
| FAIR ISAAC CORP | COM | 303250104 | — | 38,278 shares | $45,733,789 |
| MONOLITHIC PWR SYS INC | COM | 609839105 | — | 32,723 shares | $45,235,122 |
| TRIUMPH FINANCIAL INC | COM | 89679E300 | — | 584,333 shares | $44,590,452 |
| DARLING INGREDIENTS INC | COM | 237266101 | — | 793,866 shares | $43,360,948 |
| STANDARDAERO INC | COM | 85423L103 | — | 1,449,333 shares | $43,349,563 |
| VOYAGER TECHNOLOGIES INC | COM CL A | 92892B103 | — | 1,343,054 shares | $43,313,482 |
| TD SYNNEX CORPORATION | COM | 87162W100 | — | 161,933 shares | $43,291,168 |
| CHEMED CORP NEW | COM | 16359R103 | — | 90,567 shares | $42,180,768 |
| MDU RES GROUP INC | COM | 552690109 | — | 1,987,666 shares | $42,158,396 |
| REGAL REXNORD CORPORATION | COM | 758750103 | — | 176,675 shares | $42,082,226 |
| PAGAYA TECHNOLOGIES LTD | CL A NEW | M7S64L123 | — | 2,296,417 shares | $41,909,610 |
| ACV AUCTIONS INC | COM CL A | 00091G104 | — | 5,813,660 shares | $41,800,215 |
| KBR INC | COM | 48242W106 | — | 1,206,062 shares | $41,645,338 |
| RYERSON HLDG CORP | COM | 783754104 | — | 1,683,408 shares | $41,428,676 |
| ERO COPPER CORP | COM | 296006109 | — | 1,540,063 shares | $41,196,685 |
| INSIGHT ENTERPRISES INC | COM | 45765U103 | — | 337,686 shares | $41,130,155 |
| WSFS FINL CORP | COM | 929328102 | — | 535,179 shares | $41,064,285 |
| TERADYNE INC | COM | 880770102 | — | 84,563 shares | $40,914,859 |
| GULFPORT ENERGY CORP | COMMON SHARES | 402635502 | — | 240,790 shares | $40,862,036 |
| SEACOAST BKG CORP FLA | COM NEW | 811707801 | — | 1,227,771 shares | $40,823,388 |
| CREDO TECHNOLOGY GROUP HOLDI | ORDINARY SHARES | G25457105 | — | 149,509 shares | $40,658,973 |
| CLOUDFLARE INC | CL A COM | 18915M107 | — | 165,415 shares | $40,572,991 |
| APOGEE THERAPEUTICS INC | COM | 03770N101 | — | 303,739 shares | $40,315,285 |
| LEMONADE INC | COM | 52567D107 | — | 609,820 shares | $39,668,797 |
| INDEPENDENCE RLTY TR INC | COM | 45378A106 | — | 2,376,740 shares | $39,667,784 |
| QUANTA SVCS INC | COM | 74762E102 | — | 54,069 shares | $38,931,969 |