Frontier Capital Management Co. LLC
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Frontier Capital Management Co. LLC reported 269 stock positions worth $10.7 billion. Its top holding was Ftai Aviation (FTAI) at 2.4% of the portfolio, followed by Eagle Materials (EXP, 2.0%) and Xpo (XPO, 2.0%). Compared with Q4 2023, it opened 24 new positions, sold out of 19, added to 90 and reduced 155. The biggest buy was Summit Materials Class A (SUM, shares +364%) and the biggest sale KBR (KBR, shares −48%).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0000351173
- Portfolio Value
- $10.7B (Q1 2024)
- SEC Filing
- 0001172661-24-002398 ↗ filed May 15, 2024
Holdings Value
Holdings 269 stocks · $10.7B
| FTAI Ftai Aviation Ltd. | 2.36% | 3,750,017 | $252.4M | Reduce -17.8% |
| EXP Eagle Materials Inc. | 2.04% | 803,182 | $218.3M | Reduce -16.1% |
| XPO Xpo Inc. | 1.98% | 1,732,416 | $211.4M | Reduce -13.6% |
| BECN Beacon Roofing Supply Inc. | 1.94% | 2,119,192 | $207.7M | Reduce -0.3% |
| BLDR Builders Firstsource Inc. | 1.64% | 842,823 | $175.8M | Reduce -25.7% |
| ATI Ati Inc. | 1.60% | 3,339,331 | $170.9M | Reduce -8.4% |
| INSP Inspire Medical Systems Inc. | 1.37% | 684,740 | $147.1M | Reduce -7.7% |
| SM SM Energy Co. | 1.26% | 2,695,696 | $134.4M | Reduce -9.3% |
| UCTT Ultra Clean Holdings Inc. | 1.23% | 2,868,118 | $131.8M | Add +12.0% |
| MAT Mattel Inc. | 1.23% | 6,622,242 | $131.2M | Add +6.1% |
| APO Apollo Global Management Inc. | 1.20% | 1,142,980 | $128.5M | Reduce -7.6% |
| PR Permian Resources Corp. Class A | 1.05% | 6,356,922 | $112.3M | Reduce -4.8% |
| CRWD CrowdStrike Holdings Inc. Class A | 1.02% | 341,205 | $109.4M | Reduce -13.3% |
| KBR KBR Inc. | 1.01% | 1,689,327 | $107.5M | Reduce -48.1% |
| DXCM Dexcom Inc. | 1.00% | 774,985 | $107.5M | Reduce -2.3% |
| NTRA Natera Inc. | 0.98% | 1,144,333 | $104.7M | Add +18.8% |
| GVA Granite Construction Inc. | 0.96% | 1,792,947 | $102.4M | Add +29.2% |
| CZR Caesars Entertainment Inc. | 0.93% | 2,275,722 | $99.5M | Add +11.5% |
| SUM Summit Materials Inc. Class A | 0.92% | 2,207,920 | $98.4M | Add +364.4% |
| CG The Carlyle Group Inc. | 0.88% | 2,014,484 | $94.5M | Add +145.5% |
| MPWR Monolithic Power Systems Inc. | 0.86% | 136,149 | $92.2M | Reduce -30.6% |
| KKR KKR & Co. Inc. | 0.85% | 906,785 | $91.2M | Reduce -16.4% |
| COHR Coherent Corp. | 0.85% | 1,498,367 | $90.8M | Add +8.3% |
| P Everpure Inc. Class A filed as PURE STORAGE INC | 0.84% | 1,718,736 | $89.4M | Add +59.4% |
| VEEV Veeva Systems Inc. Class A | 0.83% | 381,119 | $88.3M | Reduce -32.7% |
| LAD Lithia Motors Inc. | 0.82% | 293,304 | $88.2M | Add +11.7% |
| EPAM Epam Systems Inc. | 0.81% | 313,418 | $86.6M | Reduce -6.8% |
| MKSI MKS Inc. filed as MKS INSTRS INC | 0.80% | 646,877 | $86.0M | Add +18.6% |
| ARRY Array Technologies Inc. | 0.79% | 5,671,154 | $84.6M | Reduce -17.5% |
| BURL Burlington Stores Inc. | 0.76% | 351,333 | $81.6M | Add +6.6% |
| IDXX Idexx Laboratories Inc. | 0.76% | 151,082 | $81.6M | Reduce -3.0% |
| FICO Fair Isaac Corp. | 0.76% | 64,947 | $81.2M | Reduce -7.7% |
| CRS Carpenter Technology | 0.75% | 1,121,507 | $80.1M | Add +2.3% |
| MDB Mongodb Inc. | 0.74% | 221,361 | $79.4M | Reduce -11.6% |
| DBRG Digitalbridge Group Inc. | 0.74% | 4,082,343 | $78.7M | Add +15.0% |
| HUBS HubSpot Inc. | 0.73% | 124,346 | $77.9M | Reduce -0.1% |
| CSGP Costar Group Inc. | 0.72% | 798,164 | $77.1M | Add +173.2% |
| GWRE Guidewire Software Inc. | 0.71% | 652,461 | $76.1M | Reduce -19.2% |
| MRC MRC Global Inc. | 0.69% | 5,843,228 | $73.4M | Reduce -2.7% |
| A Agilent Technologies Inc. | 0.68% | 499,594 | $72.7M | Reduce -7.6% |
| FR First Industrial Realty TR | 0.67% | 1,364,654 | $71.7M | Add +9.6% |
| PWR Quanta Services Inc. | 0.66% | 273,457 | $71.0M | Reduce -14.6% |
| AVTR Avantor Inc. | 0.66% | 2,756,993 | $70.5M | Add +156.3% |
| ANET Arista Networks Inc. | 0.66% | 242,352 | $70.3M | Reduce -7.7% |
| TDW Tidewater Inc. | 0.65% | 760,968 | $70.0M | Add +68.6% |
| BYD Boyd Gaming Corp. | 0.63% | 1,006,842 | $67.8M | Add +2.1% |
| EFX Equifax Inc. | 0.63% | 251,493 | $67.3M | Reduce -5.9% |
| BFAM Bright Horizons Family Solut | 0.62% | 584,725 | $66.3M | Reduce -1.3% |
| TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC | 0.61% | 748,956 | $65.5M | Reduce -7.6% |
| ROST Ross Stores Inc. | 0.60% | 434,385 | $63.8M | Reduce -7.6% |
| MBLY Mobileye Global Inc. Class A | 0.59% | 1,968,104 | $63.3M | New |
| CTSH Cognizant Tech Solutions-A | 0.59% | 862,987 | $63.2M | Reduce -7.6% |
| HOLX Hologic Inc. | 0.57% | 783,867 | $61.1M | Reduce -6.9% |
| GPN Global Payments Inc. | 0.57% | 456,317 | $61.0M | Reduce -7.2% |
| DPZ Domino's Pizza Inc. | 0.56% | 121,110 | $60.2M | Reduce -7.6% |
| DG Dollar General Corp. | 0.55% | 376,340 | $58.7M | Reduce -2.3% |
| LHX L3HARRIS Technologies Inc. | 0.55% | 275,243 | $58.7M | Add +36.5% |
| CMG Chipotle Mexican Grill Inc. | 0.55% | 20,167 | $58.6M | Reduce -20.3% |
| STE Steris PLC | 0.55% | 260,208 | $58.5M | Reduce -1.5% |
| ALK Alaska Air Group Inc. | 0.54% | 1,337,428 | $57.5M | Add +53.9% |
| PCRX Pacira Biosciences Inc. | 0.52% | 1,914,343 | $55.9M | Reduce -8.2% |
| JBL Jabil Inc. | 0.52% | 415,560 | $55.7M | Reduce -18.5% |
| WTFC Wintrust Financial Corp. | 0.52% | 529,111 | $55.2M | Reduce -1.7% |
| BPOP Popular Inc. | 0.51% | 624,537 | $55.0M | Reduce -3.1% |
| NMIH Nmi Holdings Inc. filed as NMI HLDGS INC | 0.51% | 1,672,799 | $54.1M | Reduce -4.9% |
| IRT Independence Realty Trust Inc. | 0.50% | 3,339,186 | $53.9M | Add +12.8% |
| MDU Mdu Resources Group Inc. | 0.50% | 2,128,379 | $53.6M | Reduce -0.6% |
| FBP First Bancorp Puerto Rico | 0.50% | 3,052,345 | $53.5M | Reduce -3.1% |
| SANM Sanmina Corp. | 0.50% | 854,317 | $53.1M | Add +1340.3% |
| BWXT BWX Technologies Inc. | 0.48% | 500,154 | $51.3M | Reduce -48.3% |
| TRU Transunion | 0.47% | 629,623 | $50.2M | Add +13.6% |
| BWA Borgwarner Inc. | 0.46% | 1,427,970 | $49.6M | Add +1.2% |
| WFRD Weatherford International PL | 0.46% | 426,041 | $49.2M | Add +30.9% |
| MSCI MSCI Inc. | 0.45% | 86,735 | $48.6M | Reduce -7.7% |
| RXO Rxo Inc. | 0.45% | 2,206,447 | $48.3M | Add +23.4% |
| MTD Mettler-Toledo International | 0.45% | 36,177 | $48.2M | Add +11.4% |
| MOD Modine Manufacturing Co. | 0.45% | 500,441 | $47.6M | Reduce -66.5% |
| KNX Knight-Swift Transportation | 0.43% | 839,499 | $46.2M | Reduce -17.2% |
| XYZ Block Inc. | 0.43% | 545,350 | $46.1M | Add +370.1% |
| ALC Alcon Inc. filed as ALCON AG | 0.43% | 547,243 | $45.6M | Reduce -7.6% |
| BDC Belden Inc. | 0.42% | 490,047 | $45.4M | Reduce -3.4% |
| PTVE Pactiv Evergreen Inc. | 0.42% | 3,164,183 | $45.3M | Reduce -3.0% |
| EXAS Exact Sciences Corp. | 0.42% | 656,056 | $45.3M | Add +12.7% |
| AZUL S A | 0.42% | 5,791,104 | $45.0M | Add +27.6% |
| GMS GMS Inc. | 0.42% | 461,507 | $44.9M | Add +15.9% |
| APH Amphenol Corp. Class A | 0.42% | 386,612 | $44.6M | Add +6.2% |
| TILE Interface Inc. | 0.41% | 2,636,435 | $44.3M | Reduce -13.2% |
| SITC Site Centers Corp. filed as SITE CTRS CORP | 0.41% | 2,990,133 | $43.8M | Add +6.8% |
| KTB Kontoor Brands Inc. | 0.40% | 718,097 | $43.3M | Reduce -3.6% |
| HUM Humana Inc. | 0.40% | 124,422 | $43.1M | Add +20.3% |
| AON Aon PLC Class A | 0.39% | 126,135 | $42.1M | Reduce -7.6% |
| ALGN Align Technology Inc. | 0.39% | 128,133 | $42.0M | Reduce -2.1% |
| PINS Pinterest Inc. Class A | 0.39% | 1,206,467 | $41.8M | Reduce -21.1% |
| FTNT Fortinet Inc. | 0.39% | 609,573 | $41.6M | New |
| SLGN Silgan Holdings Inc. | 0.39% | 851,810 | $41.4M | Reduce -3.6% |
| ABG Asbury Automotive Group | 0.38% | 174,535 | $41.2M | Add +36.9% |
| INSW International Seaways Inc. | 0.38% | 772,351 | $41.1M | Reduce -4.7% |
| CVSA Covista Inc. filed as ADTALEM GLOBAL ED INC | 0.38% | 797,308 | $41.0M | Add +7.5% |
| SRI Stoneridge Inc. | 0.38% | 2,219,992 | $40.9M | Add +1.0% |
| CTRA Coterra Energy Inc. | 0.38% | 1,464,413 | $40.8M | Reduce -18.1% |
Portfolio Sells Q4 2023 → Q1 2024
| KBR KBR Inc. | Reduce -48.1% | 1.01% | −0.82 |
| SGML Sigma Lithium Corp. | Reduce -46.2% | 0.15% | −0.57 |
| MOD Modine Manufacturing Co. | Reduce -66.5% | 0.45% | −0.46 |
| MTZ Mastec Inc. | Reduce -59.8% | 0.36% | −0.43 |
| FN Fabrinet | Reduce -82.5% | 0.08% | −0.41 |
| IQV Iqvia Holdings Inc. | Sold out | 0.00% | −0.41 |
| MPWR Monolithic Power Systems Inc. | Reduce -30.6% | 0.86% | −0.39 |
| ARRY Array Technologies Inc. | Reduce -17.5% | 0.79% | −0.38 |
| MRVL Marvell Technology Inc. | Reduce -52.1% | 0.35% | −0.33 |
| TBBK The Bancorp Inc. | Reduce -42.3% | 0.27% | −0.32 |
| PANW Palo Alto Networks Inc. | Reduce -54.8% | 0.21% | −0.31 |
| MDB Mongodb Inc. | Reduce -11.6% | 0.74% | −0.29 |
| PODD Insulet Corp. | Reduce -52.1% | 0.15% | −0.29 |
| VEEV Veeva Systems Inc. Class A | Reduce -32.7% | 0.83% | −0.28 |
| BWXT BWX Technologies Inc. | Reduce -48.3% | 0.48% | −0.27 |
| BLDR Builders Firstsource Inc. | Reduce -25.7% | 1.64% | −0.27 |
| ACAD Acadia Pharmaceuticals Inc. | Sold out | 0.00% | −0.26 |
| MCO Moody's Corp. | Sold out | 0.00% | −0.25 |
| FFIC Flushing Financial Corp. | Sold out | 0.00% | −0.25 |
| TWLO Twilio Inc. Class A | Reduce -43.0% | 0.17% | −0.23 |
| EPAM Epam Systems Inc. | Reduce -6.8% | 0.81% | −0.20 |
| CTLT Catalent Inc. | Sold out | 0.00% | −0.20 |
| PCRX Pacira Biosciences Inc. | Reduce -8.2% | 0.52% | −0.19 |
| AXONICS INC | Sold out | 0.00% | −0.18 |
| PINS Pinterest Inc. Class A | Reduce -21.1% | 0.39% | −0.18 |
| GWRE Guidewire Software Inc. | Reduce -19.2% | 0.71% | −0.18 |
| WOLF Wolfspeed Inc. | Reduce -25.0% | 0.16% | −0.18 |
| KNX Knight-Swift Transportation | Reduce -17.2% | 0.43% | −0.16 |
| ALB Albemarle Corp. | Reduce -49.4% | 0.11% | −0.15 |
| INSP Inspire Medical Systems Inc. | Reduce -7.7% | 1.37% | −0.15 |
| VSXY Victoria's Secret & Co. | Sold out | 0.00% | −0.15 |
| BMRN Biomarin Pharmaceutical Inc. | Reduce -19.5% | 0.29% | −0.14 |
| JBL Jabil Inc. | Reduce -18.5% | 0.52% | −0.14 |
| ELAN Elanco Animal Health Inc. | Reduce -28.3% | 0.35% | −0.13 |
| CTSH Cognizant Tech Solutions-A | Reduce -7.6% | 0.59% | −0.12 |
| IDXX Idexx Laboratories Inc. | Reduce -3.0% | 0.76% | −0.11 |
| PLNT Planet Fitness Inc. Class A | Reduce -6.7% | 0.30% | −0.10 |
| CRSP Crispr Therapeutics AG | Reduce -60.0% | 0.07% | −0.10 |
| SSYS Stratasys Ltd. | Reduce -15.3% | 0.16% | −0.09 |
| DOOR Masonite International Corp. | Reduce -55.5% | 0.15% | −0.09 |
| MSCI MSCI Inc. | Reduce -7.7% | 0.45% | −0.08 |
| A Agilent Technologies Inc. | Reduce -7.6% | 0.68% | −0.08 |
| CTRA Coterra Energy Inc. | Reduce -18.1% | 0.38% | −0.08 |
| VREX Varex Imaging Corp. | Reduce -3.1% | 0.30% | −0.08 |
| ATI Ati Inc. | Reduce -8.4% | 1.60% | −0.08 |
| EVR Evercore Inc. Class A | Reduce -25.3% | 0.27% | −0.08 |
| FICO Fair Isaac Corp. | Reduce -7.7% | 0.76% | −0.07 |
| ENS Enersys | Reduce -4.0% | 0.33% | −0.07 |
| SHC Sotera Health Co. | Sold out | 0.00% | −0.07 |
| SMTC Semtech Corp. | Sold out | 0.00% | −0.07 |
Portfolio Buys Q4 2023 → Q1 2024
| SUM Summit Materials Inc. Class A | Add +364.4% | 0.92% | +0.73 |
| MBLY Mobileye Global Inc. Class A | New | 0.59% | +0.59 |
| CG The Carlyle Group Inc. | Add +145.5% | 0.88% | +0.55 |
| SANM Sanmina Corp. | Add +1340.3% | 0.50% | +0.47 |
| CSGP Costar Group Inc. | Add +173.2% | 0.72% | +0.46 |
| P Everpure Inc. Class A | Add +59.4% | 0.84% | +0.45 |
| AVTR Avantor Inc. | Add +156.3% | 0.66% | +0.41 |
| FTNT Fortinet Inc. | New | 0.39% | +0.39 |
| NTRA Natera Inc. | Add +18.8% | 0.98% | +0.37 |
| UCTT Ultra Clean Holdings Inc. | Add +12.0% | 1.23% | +0.35 |
| XYZ Block Inc. | Add +370.1% | 0.43% | +0.34 |
| ESTC Elastic NV | New | 0.33% | +0.33 |
| TDW Tidewater Inc. | Add +68.6% | 0.65% | +0.33 |
| DDOG Datadog Inc. Class A | New | 0.33% | +0.33 |
| RRX Regal Rexnord Corp. | New | 0.28% | +0.28 |
| GVA Granite Construction Inc. | Add +29.2% | 0.96% | +0.24 |
| COHR Coherent Corp. | Add +8.3% | 0.85% | +0.24 |
| MKSI MKS Inc. | Add +18.6% | 0.80% | +0.24 |
| RMD Resmed Inc. | New | 0.24% | +0.24 |
| MTCH Match Group Inc. | New | 0.22% | +0.22 |
| AA Alcoa Corp. | Add +3618.9% | 0.22% | +0.21 |
| PLTR Palantir Technologies Inc. Class A | Add +100.8% | 0.34% | +0.20 |
| ALK Alaska Air Group Inc. | Add +53.9% | 0.54% | +0.19 |
| INSM Insmed Inc. | New | 0.19% | +0.19 |
| BASE Couchbase Inc. | Add +384.3% | 0.23% | +0.18 |
| ARW Arrow Electronics Inc. | New | 0.18% | +0.18 |
| MXL Maxlinear Inc. | Add +166.3% | 0.34% | +0.17 |
| HOPE Hope Bancorp Inc. | New | 0.15% | +0.15 |
| WFRD Weatherford International PL | Add +30.9% | 0.46% | +0.14 |
| BBIO Bridgebio Pharma Inc. | New | 0.13% | +0.13 |
| VKTX Viking Therapeutics Inc. | New | 0.13% | +0.13 |
| ERO Ero Copper Corp. | Add +341.8% | 0.15% | +0.12 |
| LHX L3HARRIS Technologies Inc. | Add +36.5% | 0.55% | +0.12 |
| WDC Western Digital Corp. | Add +42.5% | 0.28% | +0.12 |
| BURL Burlington Stores Inc. | Add +6.6% | 0.76% | +0.12 |
| FIVE Five Below | Add +5553.6% | 0.12% | +0.11 |
| ASPN Aspen Aerogels Inc. | Add +42.8% | 0.34% | +0.11 |
| DBRG Digitalbridge Group Inc. | Add +15.0% | 0.74% | +0.11 |
| DOCU Docusign Inc. | Add +618.3% | 0.13% | +0.11 |
| RIOT Riot Platforms Inc. | New | 0.10% | +0.10 |
| PENG Penguin Solutions Inc. | New | 0.10% | +0.10 |
| ACVA Acv Auctions Inc. Class A | Add +252.3% | 0.13% | +0.10 |
| ABG Asbury Automotive Group | Add +36.9% | 0.38% | +0.09 |
| BILL Bill Holdings Inc. | Add +121.4% | 0.22% | +0.09 |
| HL Hecla Mining Co. | Add +79.9% | 0.22% | +0.09 |
| GMS GMS Inc. | Add +15.9% | 0.42% | +0.09 |
| TRU Transunion | Add +13.6% | 0.47% | +0.08 |
| ESGR Enstar Group Ltd. | Add +44.2% | 0.26% | +0.08 |
| MTH Meritage Homes Corp. | Add +79.9% | 0.18% | +0.07 |
| EG Everest Group Ltd. | Add +55.7% | 0.18% | +0.07 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 300 | $10.7B | FTAI, GVA, ALK, AAOI, AKAM |
| Q1 2026 | 291 | $9.7B | FTAI, DAR, UTHR, CRCL, GVA |
| Q4 2025 | 295 | $9.4B | FTAI, AMTM, GVA, ATI, MDB |
| Q3 2025 | 297 | $11.2B | FTAI, EXP, TER, BLDR, MPWR |
| Q2 2025 | 294 | $10.8B | FTAI, ATI, MAT, EXP, XPO |
| Q1 2025 | 283 | $9.1B | FTAI, BECN, MAT, EXP, ATI |
| Q4 2024 | 285 | $10.5B | FTAI, BECN, ATI, XPO, EXP |
| Q3 2024 | 281 | $10.6B | FTAI, EXP, ATI, BECN, MAT |
| Q2 2024 | 279 | $10.1B | FTAI, BECN, ATI, UCTT, EXP |
| Q1 2024 | 269 | $10.7B | FTAI, EXP, XPO, BECN, BLDR |