FRONTIER CAPITAL MANAGEMENT CO LLC
Institutional investor · Portfolio as of Q3 2025
Top Holdings297 positions
FTAI AVIATION LTD | 1.8M | $304.1M | 2.7% | $37.46 | +341.99% | 12 qtrssince 2022-Q4 | Decreased 0 |
EAGLE MATLS INC | 943,683 | $219.9M | 2.0% | $178.50 | +29.91% | 27 qtrssince 2019-Q1 | Increased 55 |
TERADYNE INC | 1.4M | $196.4M | 1.8% | $118.60 | +15.83% | 4 qtrssince 2024-Q4 | Increased 78 |
BUILDERS FIRSTSOURCE INC | 1.3M | $156.5M | 1.4% | $109.85 | +10.38% | 22 qtrssince 2020-Q2 | Increased 77 |
MONOLITHIC PWR SYS INC | 163,916 | $150.9M | 1.4% | $569.57 | +60.56% | 27 qtrssince 2019-Q1 | Increased 58 |
COHERENT CORP | 1.4M | $147.7M | 1.3% | $89.60 | +20.50% | 13 qtrssince 2022-Q3 | Increased 75 |
XPO INC | 1.1M | $143.7M | 1.3% | $52.77 | +141.34% | 18 qtrssince 2021-Q2 | Decreased 0 |
GRANITE CONSTR INC | 1.3M | $142.2M | 1.3% | $49.06 | +122.57% | 27 qtrssince 2019-Q1 | Decreased 0 |
CARLYLE GROUP INC | 2.2M | $138.2M | 1.2% | $46.16 | +32.13% | 22 qtrssince 2020-Q2 | Increased 55 |
ENTEGRIS INC | 1.5M | $137M | 1.2% | $89.97 | +2.42% | 5 qtrssince 2024-Q3 | Increased 77 |
POPULAR INC | 1.1M | $136.7M | 1.2% | $69.85 | +77.77% | 27 qtrssince 2019-Q1 | Decreased 0 |
MKS INC. | 1.1M | $133.8M | 1.2% | $103.77 | +18.78% | 27 qtrssince 2019-Q1 | Increased 56 |
ATI INC | 1.6M | $126.4M | 1.1% | $29.84 | +172.63% | 27 qtrssince 2019-Q1 | Decreased 0 |
AMENTUM HOLDINGS INC | 5.2M | $124.6M | 1.1% | $20.06 | +19.36% | 3 qtrssince 2025-Q1 | Decreased 0 |
ROYAL CARIBBEAN GROUP | 353,891 | $114.5M | 1.0% | $325.61 | 0.00% | 1 qtr | New 69 |
VERTIV HOLDINGS CO | 712,641 | $107.5M | 1.0% | $68.41 | +120.30% | 15 qtrssince 2022-Q1 | Increased 44 |
VISTRA CORP | 539,134 | $105.6M | 0.9% | $193.38 | +0.73% | 2 qtrssince 2025-Q2 | Increased 62 |
APPLOVIN CORP | 142,788 | $102.6M | 0.9% | $335.38 | +112.40% | 4 qtrssince 2024-Q4 | Decreased 0 |
SILICON MOTION TECHNOLOGY CO | 1M | $98.9M | 0.9% | $62.25 | +50.23% | 3 qtrssince 2025-Q1 | Decreased 0 |
SANMINA CORP | 792,078 | $91.2M | 0.8% | $69.27 | +66.17% | 8 qtrssince 2023-Q4 | Decreased 0 |
FRONTIER CAPITAL MANAGEMENT CO LLC manages $11.2B across 297 positions as of Q3 2025. Top holdings: FTAI (2.7%), EXP (2.0%), TER (1.8%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 2/5.0.
Active quarter - 24 new positions, 21 exits, 123 increased. Top move: TER (INCREASED, conviction 78). Portfolio: $11.2B across 297 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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Top Losers
Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer
Verify source filings on SEC EDGAR