Frontier Capital Management Co LLC
Net seller this quarter
$10.7B
300
-$1.19B
14.5%
Holdings
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026 | |||||
 FTAI | $320M | 2.98% | 1.15% | +11.4% | Q4 2022 |
 GVA | $177M | 1.65% | 2.56% | -5.8% | Q3 2019 |
 ALK | $177M | 1.65% | 3.03% | +0.3% | Q3 2019 |
 AAOI | $145M | 1.35% | 1.16% | +243.3% | Q1 2026 |
 AKAM | $134M | 1.25% | 0.79% | +9.7% | Q4 2025 |
 ASH | $132M | 1.23% | 4.37% | +4.6% | Q3 2025 |
 LSCC | $126M | 1.17% | 0.60% | +35.8% | Q3 2019 |
 BPOP | $119M | 1.11% | 1.14% | -9.5% | Q3 2019 |
 MDB | $112M | 1.05% | 0.42% | +55.9% | Q3 2019 |
 UTHR | $112M | 1.04% | 0.48% | -18.2% | Q1 2020 |
 KNX | $110M | 1.02% | 0.87% | -32.4% | Q3 2019 |
 EXP | $103M | 0.96% | 1.49% | -24.9% | Q3 2019 |
 LRN | $103M | 0.96% | 2.87% | -23.1% | Q3 2024 |
 XPO | $103M | 0.96% | 0.43% | -23.4% | Q2 2021 |
 BBIO | $102M | 0.95% | 0.70% | +43.3% | Q1 2024 |
 LBRT | $97.4M | 0.91% | Not reported | +49.2% | Q4 2025 |
 SANM | $95.7M | 0.89% | 0.71% | -40.7% | Q4 2023 |
 UCTT | $95.2M | 0.89% | 1.47% | -62.7% | Q3 2019 |
 RARE | $95.1M | 0.89% | 2.89% | +30.0% | Q2 2025 |
 PODD | $94.8M | 0.88% | 0.90% | +260.9% | Q3 2019 |
 MOD | $91.8M | 0.86% | 0.65% | +68.5% | Q3 2019 |
 FLS | $91.5M | 0.85% | 0.97% | +166.7% | Q3 2025 |
 KEX | $90.6M | 0.84% | 1.25% | +3.5% | Q3 2019 |
 ALGT | $90M | 0.84% | 4.15% | +27.3% | Q3 2025 |
 P | $88.2M | 0.82% | 0.34% | +18.6% | Q3 2023 |
 AMTM | $85.7M | 0.80% | 1.70% | -16.0% | Q1 2025 |
 KYMR | $85M | 0.79% | 0.89% | -2.5% | Q3 2024 |
 INSM | $84.8M | 0.79% | 0.36% | +69.4% | Q2 2020 |
 ATI | $82.8M | 0.77% | 0.31% | -39.5% | Q3 2019 |
 RNST | $75.7M | 0.71% | 1.95% | +4.5% | Q3 2019 |
 ALAB | $74.7M | 0.70% | 0.09% | -77.5% | Q1 2025 |
 RCL | $74.3M | 0.69% | 0.09% | -1.8% | Q3 2025 |
 PVLA | $73.2M | 0.68% | 3.33% | +28.0% | Q1 2026 |
 DT | $71.8M | 0.67% | 0.56% | Not reported | Q2 2020 |
 INDI | $71.5M | 0.67% | Not reported | -17.3% | Q2 2023 |
 ADC | $71.4M | 0.67% | 0.76% | -14.4% | Q2 2021 |
 LUNR | $67.9M | 0.63% | 3.77% | -9.7% | Q3 2025 |
 JAZZ | $66.8M | 0.62% | 0.44% | -46.4% | Q2 2022 |
 SAIA | $63.8M | 0.59% | 0.57% | -17.0% | Q3 2019 |
 ENTG | $63.3M | 0.59% | 0.23% | -53.4% | Q3 2024 |
 FBP | $63.1M | 0.59% | 1.59% | -17.2% | Q3 2019 |
 CRCL | $62.9M | 0.59% | Not reported | -35.1% | Q4 2025 |
 HUBB | $62.8M | 0.59% | 0.23% | +378.7% | Q4 2023 |
 AXSM | $62.2M | 0.58% | 0.49% | +25.2% | Q4 2022 |
 FLEX | $61.9M | 0.58% | 0.10% | +5.7% | Q3 2019 |
 WTFC | $61.8M | 0.58% | 0.57% | -16.8% | Q4 2019 |
 TDW | $59.6M | 0.56% | 1.80% | -16.6% | Q3 2023 |
 ATMU | $59M | 0.55% | 1.42% | +56.0% | Q3 2024 |
 JBL | $58.7M | 0.55% | 0.15% | -7.7% | Q3 2019 |
 BLDR | $58.3M | 0.54% | 0.61% | -24.3% | Q2 2020 |
| Q1 2026 | |||||
| FTAI | $260M | 2.67% | 1.04% | -18.1% | Q4 2022 |
 DAR | $152M | 1.56% | 1.55% | -9.7% | Q3 2019 |
| UTHR | $150M | 1.54% | 0.60% | +39.5% | Q1 2020 |
| CRCL | $148M | 1.52% | Not reported | +37.0% | Q4 2025 |
| GVA | $142M | 1.46% | 2.72% | -5.6% | Q3 2019 |
| LRN | $137M | 1.40% | 3.64% | +864.1% | Q3 2024 |
| AMTM | $129M | 1.32% | 2.02% | -14.6% | Q1 2025 |
| XPO | $127M | 1.30% | 0.56% | -9.5% | Q2 2021 |
| ALK | $124M | 1.28% | 3.03% | +47.9% | Q3 2019 |
| KNX | $120M | 1.23% | 1.28% | +6.8% | Q3 2019 |
| AKAM | $119M | 1.22% | 0.71% | +126.8% | Q4 2025 |
| EXP | $116M | 1.19% | 1.96% | +12.0% | Q3 2019 |
| UCTT | $111M | 1.14% | 3.99% | -49.1% | Q3 2019 |
| BPOP | $107M | 1.10% | 1.24% | -16.1% | Q3 2019 |
| ASH | $106M | 1.09% | 4.18% | +34.2% | Q3 2025 |
| ATI | $101M | 1.04% | 0.51% | -43.4% | Q3 2019 |
| JAZZ | $97.8M | 1.01% | 0.84% | +183.9% | Q2 2022 |
| TDW | $89.6M | 0.92% | 2.16% | +13.1% | Q3 2023 |
| APGE | $89.6M | 0.92% | 1.42% | +121.6% | Q1 2024 |
| ENTG | $88.5M | 0.91% | 0.50% | -28.0% | Q3 2024 |
 MPWR | $87.1M | 0.90% | 0.16% | -5.3% | Q3 2019 |
| KEX | $85.6M | 0.88% | 1.20% | +384.7% | Q3 2019 |
| ADC | $83M | 0.85% | 0.92% | +36.6% | Q2 2021 |
| SANM | $82.6M | 0.85% | 1.17% | -0.2% | Q4 2023 |
| INSM | $76.8M | 0.79% | 0.22% | +64.9% | Q2 2020 |
| ALAB | $75.4M | 0.78% | 0.40% | -6.4% | Q1 2025 |
| LBRT | $71.8M | 0.74% | Not reported | +1277.0% | Q4 2025 |
| BBIO | $71.1M | 0.73% | 0.49% | +16.0% | Q1 2024 |
| BLDR | $70.8M | 0.73% | 0.80% | +49.4% | Q2 2020 |
 BURL | $70.5M | 0.72% | 0.35% | +10.1% | Q3 2019 |
 PRDO | $68.7M | 0.71% | 2.95% | -3.4% | Q1 2020 |
 WFRD | $68.6M | 0.71% | 1.01% | +1.5% | Q2 2023 |
| RCL | $65.6M | 0.67% | 0.09% | +10.4% | Q3 2025 |
| LUNR | $65.2M | 0.67% | 4.17% | +31.7% | Q3 2025 |
| WTFC | $64.2M | 0.66% | 0.69% | -14.9% | Q4 2019 |
| SAIA | $64.1M | 0.66% | 0.68% | -1.2% | Q3 2019 |
| SILA | $63.9M | 0.66% | 4.91% | +18.1% | Q3 2024 |
| KYMR | $63.3M | 0.65% | 0.92% | +19.5% | Q3 2024 |
| FBP | $62.5M | 0.64% | 1.89% | -4.1% | Q3 2019 |
| INDI | $62M | 0.64% | Not reported | +2.1% | Q2 2023 |
| RNST | $61.5M | 0.63% | 1.83% | -15.2% | Q3 2019 |
 NTRA | $58.9M | 0.61% | 0.21% | -43.6% | Q3 2019 |
 AR | $57.3M | 0.59% | 0.44% | New | Q1 2026 |
 ELAN | $56.5M | 0.58% | 0.47% | -8.3% | Q1 2023 |
| LSCC | $56.1M | 0.58% | 0.44% | -38.2% | Q3 2019 |
| P | $55.8M | 0.57% | 0.29% | +7.2% | Q3 2023 |
 EBC | $55.6M | 0.57% | 1.22% | -4.1% | Q3 2024 |
 SIGI | $55M | 0.57% | 1.21% | +18.6% | Q2 2025 |
 FR | $54.7M | 0.56% | 0.71% | -5.2% | Q3 2023 |
 TER | $54.3M | 0.56% | 0.12% | -67.9% | Q3 2019 |
| Q4 2025 | |||||
| FTAI | $255M | 2.71% | 1.26% | -28.9% | Q4 2022 |
| AMTM | $167M | 1.78% | 2.37% | +11.0% | Q1 2025 |
| GVA | $145M | 1.54% | 2.89% | -3.0% | Q3 2019 |
| ATI | $141M | 1.49% | 0.90% | -21.0% | Q3 2019 |
| MDB | $127M | 1.35% | 0.37% | +6.1% | Q3 2019 |
| ALAB | $122M | 1.30% | 0.43% | +45687.1% | Q1 2025 |
| NTRA | $120M | 1.27% | 0.37% | +41.4% | Q3 2019 |
| BPOP | $119M | 1.26% | 1.45% | -11.3% | Q3 2019 |
| ALK | $115M | 1.22% | 1.97% | +27.5% | Q3 2019 |
| EXP | $113M | 1.20% | 1.73% | -42.2% | Q3 2019 |
| TER | $111M | 1.17% | 0.37% | -60.0% | Q3 2019 |
| KNX | $102M | 1.08% | 1.20% | +187.1% | Q3 2019 |
| DAR | $97.9M | 1.04% | 1.72% | -4.5% | Q3 2019 |
| XPO | $97.9M | 1.04% | 0.62% | -35.2% | Q2 2021 |
| SANM | $95.9M | 1.02% | 1.17% | -19.4% | Q4 2023 |
| CRCL | $89.6M | 0.95% | Not reported | New | Q4 2025 |
| UCTT | $88.9M | 0.94% | 7.71% | +15.7% | Q3 2019 |
| UTHR | $88.3M | 0.94% | 0.42% | +4.2% | Q1 2020 |
| ENTG | $88.3M | 0.94% | 0.69% | -29.3% | Q3 2024 |
 MKSI | $88M | 0.93% | 0.82% | -49.0% | Q3 2019 |
 MAT | $83.6M | 0.89% | 1.36% | -15.5% | Q4 2019 |
| ASH | $83.6M | 0.89% | 3.11% | +236.7% | Q3 2025 |
| MPWR | $76.2M | 0.81% | 0.17% | -48.7% | Q3 2019 |
| WTFC | $75.9M | 0.81% | 0.81% | +0.4% | Q4 2019 |
 LCII | $72.3M | 0.77% | 2.46% | -6.8% | Q3 2019 |
 COHR | $72.2M | 0.77% | 0.25% | -71.5% | Q3 2019 |
| LSCC | $72M | 0.76% | 0.72% | -6.5% | Q3 2019 |
| RNST | $70.7M | 0.75% | 2.12% | -5.0% | Q3 2019 |
| INDI | $66.5M | 0.71% | Not reported | +4.6% | Q2 2023 |
| BBIO | $63.2M | 0.67% | 0.42% | +25.2% | Q1 2024 |
| FBP | $63.2M | 0.67% | 1.95% | -0.9% | Q3 2019 |
| SAIA | $60.3M | 0.64% | 0.69% | +56.0% | Q3 2019 |
| RCL | $60.2M | 0.64% | 0.08% | -39.0% | Q3 2025 |
| BLDR | $59.3M | 0.63% | 0.52% | -55.4% | Q2 2020 |
| P | $59M | 0.63% | 0.27% | +3.2% | Q3 2023 |
| ELAN | $58.3M | 0.62% | 0.52% | -10.6% | Q1 2023 |
| ADC | $58.1M | 0.62% | 0.67% | -12.7% | Q2 2021 |
 CWK | $57.5M | 0.61% | 1.53% | -28.1% | Q2 2025 |
| FR | $57.2M | 0.61% | 0.75% | -22.7% | Q3 2023 |
| BURL | $56.8M | 0.60% | 0.31% | -17.0% | Q3 2019 |
 GENI | $56.6M | 0.60% | 51.36% | +54.0% | Q2 2025 |
| PRDO | $56.1M | 0.60% | 3.06% | +6.5% | Q1 2020 |
| WFRD | $55.9M | 0.59% | 1.00% | -0.9% | Q2 2023 |
 KBR | $55.5M | 0.59% | 1.09% | +11.5% | Q3 2019 |
 RRX | $54.6M | 0.58% | 0.59% | -5.4% | Q2 2023 |
| EBC | $54.6M | 0.58% | 1.26% | -0.9% | Q3 2024 |
 STAG | $53.9M | 0.57% | 0.77% | -6.1% | Q3 2019 |
 BDC | $53.9M | 0.57% | 1.19% | +7.0% | Q2 2020 |
 IRT | $53.7M | 0.57% | 1.30% | -9.3% | Q4 2022 |
| SILA | $53.2M | 0.57% | 4.16% | -12.9% | Q3 2024 |
| Q3 2025 | |||||
| FTAI | $304M | 2.73% | 1.78% | -15.0% | Q4 2022 |
| EXP | $220M | 1.97% | 2.93% | +13.7% | Q3 2019 |
| TER | $196M | 1.76% | 0.91% | +141.9% | Q3 2019 |
| BLDR | $156M | 1.40% | 1.17% | +114.7% | Q2 2020 |
| MPWR | $151M | 1.35% | 0.34% | +23.4% | Q3 2019 |
| COHR | $148M | 1.32% | 0.88% | +88.0% | Q3 2019 |
| XPO | $144M | 1.29% | 0.95% | -2.0% | Q2 2021 |
| GVA | $142M | 1.27% | 2.97% | -5.3% | Q3 2019 |
 CG | $138M | 1.24% | 0.61% | +16.8% | Q2 2020 |
| ENTG | $137M | 1.23% | 0.98% | +124.7% | Q3 2024 |
| BPOP | $137M | 1.23% | 1.61% | -0.5% | Q3 2019 |
| MKSI | $134M | 1.20% | 1.61% | +18.5% | Q3 2019 |
| ATI | $126M | 1.13% | 1.14% | -30.2% | Q3 2019 |
| AMTM | $125M | 1.12% | 2.14% | -4.7% | Q1 2025 |
| RCL | $115M | 1.03% | 0.13% | New | Q3 2025 |
 VRT | $108M | 0.96% | 0.19% | +3.2% | Q1 2022 |
 VST | $106M | 0.95% | 0.16% | +63.6% | Q2 2025 |
 APP | $103M | 0.92% | 0.04% | -17.2% | Q4 2024 |
 SIMO | $98.9M | 0.89% | 0.77% | -18.6% | Q1 2025 |
| SANM | $91.2M | 0.82% | 1.48% | -35.7% | Q4 2023 |
 LNG | $89.7M | 0.80% | 0.17% | -8.5% | Q4 2024 |
| ALK | $89.1M | 0.80% | 1.55% | +77.3% | Q3 2019 |
| MDB | $88.4M | 0.79% | 0.35% | -22.9% | Q3 2019 |
| DAR | $87.9M | 0.79% | 1.80% | -14.3% | Q3 2019 |
 RBLX | $87.7M | 0.79% | 0.09% | -1.5% | Q2 2025 |
| MAT | $83.9M | 0.75% | 1.55% | -44.5% | Q4 2019 |
| UCTT | $82.7M | 0.74% | 6.68% | +10.1% | Q3 2019 |
| CWK | $78.6M | 0.70% | 2.13% | +5.6% | Q2 2025 |
 VEEV | $78.2M | 0.70% | 0.16% | +10.4% | Q2 2020 |
| RNST | $78M | 0.70% | 2.23% | +86.0% | Q3 2019 |
| LSCC | $76.7M | 0.69% | 0.77% | -2.4% | Q3 2019 |
 DBRG | $75.5M | 0.68% | 3.54% | +13.9% | Q3 2023 |
| INDI | $73.3M | 0.66% | Not reported | +0.3% | Q2 2023 |
| UTHR | $72.9M | 0.65% | 0.41% | -12.4% | Q1 2020 |
| WTFC | $71.6M | 0.64% | 0.81% | +4.7% | Q4 2019 |
 U | $71.6M | 0.64% | 0.42% | -16.3% | Q1 2025 |
| P | $71.6M | 0.64% | 0.26% | +0.5% | Q3 2023 |
 CELH | $70.9M | 0.64% | 0.48% | +116.6% | Q2 2025 |
 IDXX | $69.2M | 0.62% | 0.14% | -0.7% | Q3 2019 |
| FBP | $67.8M | 0.61% | 1.93% | +5.6% | Q3 2019 |
| PRDO | $67.6M | 0.61% | 2.79% | +2.4% | Q1 2020 |
 MRVL | $67.2M | 0.60% | 0.09% | +25.3% | Q3 2019 |
| FR | $66.4M | 0.60% | 0.97% | -1.7% | Q3 2023 |
| SILA | $65.8M | 0.59% | 4.78% | +3.6% | Q3 2024 |
 NET | $65.7M | 0.59% | Not reported | +12.2% | Q1 2024 |
| ADC | $65.6M | 0.59% | 0.81% | -10.9% | Q2 2021 |
 GWRE | $64.7M | 0.58% | 0.33% | +33.1% | Q3 2019 |
 APH | $61.3M | 0.55% | 0.04% | -2.1% | Q3 2019 |
| BURL | $60.3M | 0.54% | 0.38% | -8.4% | Q3 2019 |
| LCII | $59.6M | 0.53% | 2.64% | +26.7% | Q3 2019 |