FRONTIER CAPITAL MANAGEMENT CO LLC Portfolio Holdings
Q3 2025•297 long positions•$11.1B portfolio value
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Holding318 | Sector | Position↕ | Traded↕ | Ownership↕ | Shares Δ↕ | Shares Δ % | Market Cap↕ | Owned Since↕ |
|---|---|---|---|---|---|---|---|---|
Rental & Leasing Services Industrials | $304.1M 2.74% | -$53.7M Sold | 1.78% 1.8M shares | 2.1M → 1.8M −$53.7M | -15.01% | $17.1B Large Cap | Q4 2022 Held for 2y 11m | |
Construction Materials Basic Materials | $219.9M 1.98% | +$26.4M Bought | 2.91% 943.7K shares | 830.3K → 943.7K +$26.4M | +13.66% | $7.6B Mid Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Semiconductors Technology | $196.4M 1.77% | +$115.2M Bought | 0.897% 1.4M shares | 589.7K → 1.4M +$115.2M | +141.93% | $21.9B Large Cap | Q4 2024 Held for 11 months | |
Construction Industrials | $156.5M 1.41% | +$83.6M Bought | 1.17% 1.3M shares | 601.2K → 1.3M +$83.6M | +114.68% | $13.4B Large Cap | Q2 2020 Held for 5y 5m | |
Semiconductors Technology | $150.9M 1.36% | +$28.6M Bought | 0.342% 163.9K shares | 132.8K → 163.9K +$28.6M | +23.39% | $44.1B Large Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Hardware, Equipment & Parts Technology | $147.7M 1.33% | +$69.1M Bought | — 1.4M shares | 729.1K → 1.4M +$69.1M | +88.02% | — — | Q3 2020 Held for 5y 2m | |
Integrated Freight & Logistics Industrials | $143.7M 1.29% | -$2.9M Sold | 0.944% 1.1M shares | 1.1M → 1.1M −$2.9M | -1.97% | $15.2B Large Cap | Q2 2021 Held for 4y 5m | |
Engineering & Construction Industrials | $142.2M 1.28% | -$8.0M Sold | 2.96% 1.3M shares | 1.4M → 1.3M −$8.0M | -5.33% | $4.8B Mid Cap | Q1 2016 Held for 9y 8m | |
Asset Management Financial Services | $138.2M 1.24% | +$19.9M Bought | 0.609% 2.2M shares | 1.9M → 2.2M +$19.9M | +16.78% | $22.7B Large Cap | Q2 2020 Held for 5y 5m | |
Semiconductors Technology | $137.0M 1.23% | +$76.0M Bought | 0.979% 1.5M shares | 659.3K → 1.5M +$76.0M | +124.72% | $14.0B Large Cap | Q3 2024 Held for 1y 2m | |
Banks - Regional Financial Services | $136.7M 1.23% | -$730.2K Sold | 1.59% 1.1M shares | 1.1M → 1.1M −$730.2K | -0.53% | $8.6B Mid Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Hardware, Equipment & Parts Technology | $133.8M 1.2% | +$20.8M Bought | 1.61% 1.1M shares | 912.4K → 1.1M +$20.8M | +18.46% | $8.3B Mid Cap | Q1 2019 Held for 6y 8m | |
Manufacturing - Metal Fabrication Industrials | $126.4M 1.14% | -$54.6M Sold | 1.13% 1.6M shares | 2.2M → 1.6M −$54.6M | -30.15% | $11.2B Large Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Unknown Unknown | $124.6M 1.12% | -$6.2M Sold | 2.14% 5.2M shares | 5.5M → 5.2M −$6.2M | -4.73% | $5.8B Mid Cap | Q1 2025 Held for 8 months | |
Travel Services Consumer Cyclical | $114.5M 1.03% | +$114.5M Bought | 0.13% 353.9K shares | — | — | $87.9B Large Cap | Q3 2025 Held for 2 months | |
Electrical Equipment & Parts Industrials | $107.5M 0.967% | +$3.3M Bought | 0.187% 712.6K shares | 690.7K → 712.6K +$3.3M | +3.18% | $57.6B Large Cap | Q1 2022 Held for 3y 8m | |
Independent Power Producers Utilities | $105.6M 0.95% | +$41.1M Bought | 0.159% 539.1K shares | 329.5K → 539.1K +$41.1M | +63.61% | $66.4B Large Cap | Q2 2025 Held for 5 months | |
Software - Application Technology | $102.6M 0.923% | -$21.3M Sold | 0.042% 142.8K shares | 172.4K → 142.8K −$21.3M | -17.18% | $243.05B Mega Cap | Q4 2024 Held for 11 months | |
Unknown Unknown | $98.9M 0.89% | -$22.6M Sold | — 1.0M shares | 1.3M → 1.0M −$22.6M | -18.58% | — — | Q1 2025 Held for 8 months | |
Hardware, Equipment & Parts Technology | $91.2M 0.82% | -$50.6M Sold | 1.49% 792.1K shares | 1.2M → 792.1K −$50.6M | -35.7% | $6.1B Mid Cap | Q4 2023 Held for 1y 11m | |
Oil & Gas Midstream Energy | $89.7M 0.806% | -$8.3M Sold | 0.174% 381.5K shares | 417.0K → 381.5K −$8.3M | -8.51% | $51.6B Large Cap | Q4 2024 Held for 11 months | |
Airlines, Airports & Air Services Industrials | $89.1M 0.801% | +$38.8M Bought | 1.55% 1.8M shares | 1.0M → 1.8M +$38.8M | +77.25% | $5.7B Mid Cap | Q1 2019 Held for 6y 8m | |
Software - Infrastructure Technology | $88.4M 0.795% | -$26.3M Sold | 0.35% 284.7K shares | 369.3K → 284.7K −$26.3M | -22.91% | $25.3B Large Cap | Q2 2019 Held for 6y 5m | |
Packaged Foods Consumer Defensive | $87.9M 0.791% | -$14.6M Sold | 1.8% 2.8M shares | 3.3M → 2.8M −$14.6M | -14.28% | $4.9B Mid Cap | Q2 2023 Held for 2y 5m | |
Electronic Gaming & Multimedia Technology | $87.7M 0.789% | -$1.4M Sold | 0.091% 633.3K shares | 643.0K → 633.3K −$1.4M | -1.52% | $96.0B Large Cap | Q2 2025 Held for 5 months | |
Leisure Consumer Cyclical | $83.9M 0.755% | -$67.2M Sold | 1.55% 5.0M shares | 9.0M → 5.0M −$67.2M | -44.46% | $5.4B Mid Cap | Q4 2019 Held for 5y 11m | |
Semiconductors Technology | $82.7M 0.743% | +$7.6M Bought | 6.69% 3.0M shares | 2.8M → 3.0M +$7.6M | +10.13% | $1.2B Small Cap | Q4 2022 Held for 2y 11m | |
Real Estate - Services Real Estate | $78.6M 0.707% | +$4.2M Bought | 2.13% 4.9M shares | 4.7M → 4.9M +$4.2M | +5.61% | $3.7B Mid Cap | Q2 2025 Held for 5 months | |
Medical - Healthcare Information Services Healthcare | $78.2M 0.704% | +$7.4M Bought | 0.16% 262.6K shares | 237.7K → 262.6K +$7.4M | +10.44% | $48.8B Large Cap | Q2 2020 Held for 5y 5m | |
Banks - Regional Financial Services | $78.0M 0.702% | +$36.1M Bought | 2.23% 2.1M shares | 1.1M → 2.1M +$36.1M | +86.04% | $3.5B Mid Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Semiconductors Technology | $76.7M 0.69% | -$1.9M Sold | 0.764% 1.0M shares | 1.1M → 1.0M −$1.9M | -2.39% | $10.0B Large Cap | Q1 2024 Held for 1y 8m | |
REIT - Diversified Real Estate | $75.5M 0.679% | +$9.2M Bought | 3.54% 6.5M shares | 5.7M → 6.5M +$9.2M | +13.86% | $2.1B Mid Cap | Q3 2023 Held for 2y 2m | |
Semiconductors Technology | $73.3M 0.659% | +$204.5K Bought | 9.07% 18.0M shares | 18.0M → 18.0M +$204.5K | +0.28% | $808.1M Small Cap | Q2 2023 Held for 2y 5m | |
Biotechnology Healthcare | $72.9M 0.656% | -$10.3M Sold | 0.385% 173.9K shares | 198.6K → 173.9K −$10.3M | -12.41% | $19.0B Large Cap | Q1 2020 Held for 5y 8m | |
Banks - Regional Financial Services | $71.6M 0.644% | +$3.2M Bought | 0.808% 540.9K shares | 516.4K → 540.9K +$3.2M | +4.73% | $8.9B Mid Cap | Q4 2019 Held for 5y 11m | |
Software - Application Technology | $71.6M 0.644% | -$13.9M Sold | 0.423% 1.8M shares | 2.1M → 1.8M −$13.9M | -16.3% | $16.9B Large Cap | Q1 2025 Held for 8 months | |
Computer Hardware Technology | $71.6M 0.644% | +$384.1K Bought | 0.26% 853.8K shares | 849.2K → 853.8K +$384.1K | +0.54% | $27.5B Large Cap | Q3 2023 Held for 2y 2m | |
Beverages - Non-Alcoholic Consumer Defensive | $70.9M 0.637% | +$38.2M Bought | 0.478% 1.2M shares | 569.1K → 1.2M +$38.2M | +116.61% | $14.8B Large Cap | Q2 2025 Held for 5 months | |
Medical - Diagnostics & Research Healthcare | $69.2M 0.622% | -$487.5K Sold | 0.135% 108.3K shares | 109.1K → 108.3K −$487.5K | -0.7% | $51.1B Large Cap | Q1 2019 Held for 6y 8m | |
Banks - Regional Financial Services | $67.8M 0.61% | +$3.6M Bought | 1.92% 3.1M shares | 2.9M → 3.1M +$3.6M | +5.62% | $3.5B Mid Cap | Q4 2016 Held for 8y 11m | |
Education & Training Services Consumer Defensive | $67.6M 0.608% | +$1.6M Bought | 2.76% 1.8M shares | 1.8M → 1.8M +$1.6M | +2.42% | $2.4B Mid Cap | Q3 2014 Held for 11y 2m | |
Semiconductors Technology | $67.2M 0.605% | +$13.6M Bought | 0.093% 799.6K shares | 638.2K → 799.6K +$13.6M | +25.29% | $72.5B Large Cap | Q1 2016 Held for 9y 8m | |
REIT - Industrial Real Estate | $66.4M 0.598% | -$1.2M Sold | 0.975% 1.3M shares | 1.3M → 1.3M −$1.2M | -1.74% | $6.8B Mid Cap | Q3 2023 Held for 2y 2m | |
REIT - Healthcare Facilities Real Estate | $65.8M 0.592% | +$2.3M Bought | 4.75% 2.6M shares | 2.5M → 2.6M +$2.3M | +3.61% | $1.4B Small Cap | Q3 2024 Held for 1y 2m | |
Software - Infrastructure Technology | $65.7M 0.591% | +$7.1M Bought | 0.088% 306.0K shares | 272.7K → 306.0K +$7.1M | +12.19% | $74.8B Large Cap | Q1 2024 Held for 1y 8m | |
REIT - Retail Real Estate | $65.6M 0.59% | -$8.0M Sold | 0.835% 924.0K shares | 1.0M → 924.0K −$8.0M | -10.92% | $7.9B Mid Cap | Q2 2021 Held for 4y 5m | |
Software - Application Technology | $64.7M 0.582% | +$16.1M Bought | 0.333% 281.5K shares | 211.6K → 281.5K +$16.1M | +33.08% | $19.4B Large Cap | Q1 2023 Held for 2y 8m | |
Hardware, Equipment & Parts Technology | $61.3M 0.551% | -$1.3M Sold | 0.041% 495.1K shares | 505.9K → 495.1K −$1.3M | -2.13% | $151.09B Large Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Apparel - Retail Consumer Cyclical | $60.3M 0.542% | -$5.5M Sold | 0.376% 237.0K shares | 258.8K → 237.0K −$5.5M | -8.42% | $16.0B Large Cap | Q4 2018 Held for 6y 11m | |
Auto - Recreational Vehicles Consumer Cyclical | $59.6M 0.536% | +$12.5M Bought | 2.64% 639.4K shares | 504.8K → 639.4K +$12.5M | +26.68% | $2.3B Mid Cap | Q3 2018 Held for 7y 2m |
