FRONTIER CAPITAL MANAGEMENT CO LLC
CIK: 0000351173Latest portfolio: $9.4B · Q4 2025
Holdings
295
Total Value
$9.4B
New Positions
24
Closed Positions
26
Top Holdings
View All 295 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | FTAIFTAI AVIATION LTD | 1,296,579 | $255.2M | 2.71% | -526,181 | |
| 2 | AMTMAMENTUM HOLDINGS INC | 5,772,976 | $167.4M | 1.78% | +570K | |
| 3 | GVAGRANITE CONSTR INC | 1,257,903 | $145.1M | 1.54% | -39,114 | |
| 4 | ATDATI INC | 1,227,453 | $140.9M | 1.49% | -327,108 | |
| 5 | MDBMONGODB INC | 302,093 | $126.8M | 1.35% | +17K | |
| 6 | ALABASTERA LABS INC | 735,341 | $122.3M | 1.30% | +734K | |
| 7 | NTRANATERA INC | 521,750 | $119.5M | 1.27% | +153K | |
| 8 | BPOPPOPULAR INC | 954,230 | $118.8M | 1.26% | -122,039 | |
| 9 | ALKALASKA AIR GROUP INC | 2,280,772 | $114.7M | 1.22% | +492K | |
| 10 | EXPEAGLE MATLS INC | 545,349 | $112.7M | 1.20% | -398,334 | |
| 11 | TERTERADYNE INC | 571,240 | $110.6M | 1.17% | -855,408 | |
| 12 | KNXKNIGHT-SWIFT TRANSN HLDGS IN | 1,954,547 | $102.2M | 1.08% | +1.3M | |
| 13 | DARDARLING INGREDIENTS INC | 2,720,397 | $97.9M | 1.04% | -128,503 | |
| 14 | XPOXPO INC | 720,353 | $97.9M | 1.04% | -391,235 | |
| 15 | SANMSANMINA CORPORATION | 638,741 | $95.9M | 1.02% | -153,337 | |
| 16 | CRCLCIRCLE INTERNET GROUP INC | 1,130,104 | $89.6M | 0.95% | NEW | |
| 17 | UCTTULTRA CLEAN HLDGS INC | 3,509,839 | $88.9M | 0.94% | +477K | |
| 18 | UTHUNITED THERAPEUTICS CORP DEL | 181,177 | $88.3M | 0.94% | +7K | |
| 19 | ENQENTEGRIS INC | 1,047,498 | $88.3M | 0.94% | -434,096 | |
| 20 | MKSIMKS INC. | 550,735 | $88.0M | 0.93% | -530,028 | |
| 21 | MATMATTEL INC | 4,215,431 | $83.6M | 0.89% | -771,964 | |
| 22 | ASHASHLAND INC | 1,425,289 | $83.6M | 0.89% | +1.0M | |
| 23 | MPWRMONOLITHIC PWR SYS INC | 84,118 | $76.2M | 0.81% | -79,798 | |
| 24 | WF2WINTRUST FINL CORP | 543,048 | $75.9M | 0.81% | +2K | |
| 25 | LCIILCI INDS | 595,842 | $72.3M | 0.77% | -43,603 |
Quarterly Changes
New Positions
Increased Positions
Sector Breakdown
TechnologyNaN% ($InfinityT)
Industrials0.0% ($2.552311674161451e+247T)
Healthcare0.0% ($1.1952763190583065e+187T)
Consumer Cyclical0.0% ($8.363472299602045e+158T)
Financial Services0.0% ($1.1882089617707407e+136T)
Unknown0.0% ($1.4086288278882516e+106T)
Real Estate0.0% ($5.807257517571705e+47T)
Energy0.0% ($5.5919479203578234e+45T)
Consumer Defensive0.0% ($9.793456093310261e+29T)
Basic Materials0.0% ($1.1271283621300754e+26T)
Communication Services0.0% ($5659915997.2T)
Utilities0.0% ($4363.4T)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 17, 2026 | $9.4B | 295 |
| Q3 2025 | Nov 14, 2025 | $11.2T | 297 |
| Q2 2025 | Aug 14, 2025 | $10.8T | 294 |
| Q1 2025 | May 15, 2025 | $9.1T | 283 |
| Q4 2024 | Feb 14, 2025 | $10.5T | 285 |
| Q3 2024 | Nov 14, 2024 | $10623.5T | 281 |
| Q2 2024 | Aug 14, 2024 | $10099.3T | 279 |
| Q1 2024 | May 15, 2024 | $10699.7T | 269 |
| Q4 2023 | Feb 14, 2024 | $9899.8T | 263 |
| Q3 2023 | Nov 14, 2023 | $9097.4T | 267 |
| Q2 2023 | Aug 14, 2023 | $10436.7T | 261 |
| Q1 2023 | May 15, 2023 | $9669.5T | 257 |
| Q4 2022 | Feb 14, 2023 | $9181.5T | 262 |
| Q3 2022 | Nov 14, 2022 | $8.5T | 268 |
| Q2 2022 | Jul 20, 2022 | $8.7T | 274 |
| Q1 2022 | Apr 14, 2022 | $11.0T | 267 |
| Q4 2021 | Jan 19, 2022 | $12.7T | 274 |
| Q3 2021 | Oct 19, 2021 | $12.7T | 280 |
| Q2 2021 | Aug 9, 2021 | $13.7T | 284 |
| Q1 2021 | May 13, 2021 | $13.2T | 276 |
| Q4 2020 | Jan 19, 2021 | $13.5T | 284 |
| Q3 2020 | Nov 16, 2020 | $11.5T | 291 |
| Q2 2020 | Jul 17, 2020 | $11.3T | 291 |
| Q1 2020 | Apr 16, 2020 | $8.9T | 275 |
| Q4 2019 | Feb 14, 2020 | $13.5T | 281 |
| Q3 2019 | Nov 14, 2019 | $12.8T | 289 |
| Q2 2019 | Aug 14, 2019 | $13.3T | 288 |
| Q1 2019 | May 7, 2019 | $14.1T | 296 |
| Q4 2018 | Jan 25, 2019 | $12.4T | 287 |
| Q3 2018 | Oct 30, 2018 | $15.5T | 287 |
| Q2 2018 | Aug 3, 2018 | $14.1T | 298 |
| Q1 2018 | Apr 30, 2018 | $13.7T | 311 |
| Q4 2017 | Jan 18, 2018 | $13.7T | 320 |
| Q3 2017 | Oct 31, 2017 | $13.9T | 321 |
| Q2 2017 | Aug 4, 2017 | $13.7T | 322 |
| Q1 2017 | May 10, 2017 | $13.5T | 324 |
| Q4 2016 | Feb 3, 2017 | $13.0T | 321 |
| Q3 2016 | Nov 14, 2016 | $12.5T | 344 |
| Q2 2016 | Aug 2, 2016 | $12.2T | 340 |
| Q1 2016 | May 4, 2016 | $12.6T | 342 |
Fund Information
FRONTIER CAPITAL MANAGEMENT CO LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $9.4B across 295 holdings. The largest position is FTAI AVIATION LTD (FTAI), representing 2.7% of the portfolio. Compared to the previous quarter, the fund opened 25 new positions and closed 27 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.