FRONTIER CAPITAL MANAGEMENT CO LLCFRONTIER CAPITAL MANAGEMENT CO LLC

Institutional investor · Portfolio as of Q3 2025

SEC EDGAR SourceSEC Filings
$11.2B
AUM
297
Positions
Q3 2025
Filing
Rating · 2.5
Quarterly Portfolio Change
-6%Q2'24$10.1B+5%Q3'24$10.6B-1%Q4'24$10.5B-13%Q1'25$9.1B+18%Q2'25$10.8B+3%Q3'25$11.2B
Activity profile
$ moved · Q3'25
New11%Increased37%Decreased43%Exited9%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 3.5 years
<1Q7%1-4Q18%1-2Y13%2Y+62%

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 Rating: 2.5/5.0.

Q3 2025 Summary

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

Total AUM$11B
FTAI2.73%
EXP1.97%
TER1.76%
BLDR1.40%
MPWR1.35%
COHR1.32%
XPO1.29%
GVA1.27%
CG1.24%
ENTG1.23%
Other1.23%

Portfolio allocation by GICS sector

Sectors11
Technology26.68%
Industrials22.11%
Financial Services11.37%
Healthcare10.94%
Consumer Cyclical10.55%
Real Estate4.87%
Consumer Defensive3.36%
Basic Materials2.95%
Energy2.92%
Communication Services2.63%
Other1.63%

Behavioral investing profile

7-dimension quality assessment
Solid(2.5 / 5.0)
Track Record69
Conviction36
Concentration0
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Holdings297 positions

Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction

FTAI AVIATION LTD

1.8M$304.1M2.7%$37.76+331.47%
12 qtrssince 2022-Q4
Decreased
0

EAGLE MATLS INC

943,683$219.9M2.0%$178.97+30.05%
27 qtrssince 2019-Q1
Increased
55

TERADYNE INC

1.4M$196.4M1.8%$116.93+14.74%
4 qtrssince 2024-Q4
Increased
78

BUILDERS FIRSTSOURCE INC

1.3M$156.5M1.4%$108.82+9.91%
22 qtrssince 2020-Q2
Increased
77

MONOLITHIC PWR SYS INC

163,916$150.9M1.4%$566.76+55.89%
27 qtrssince 2019-Q1
Increased
58

COHERENT CORP

1.4M$147.7M1.3%$89.60+20.50%
13 qtrssince 2022-Q3
Increased
75

XPO INC

1.1M$143.7M1.3%$52.77+141.34%
18 qtrssince 2021-Q2
Decreased
0

GRANITE CONSTR INC

1.3M$142.2M1.3%$49.00+122.04%
27 qtrssince 2019-Q1
Decreased
0

CARLYLE GROUP INC

2.2M$138.2M1.2%$47.12+35.91%
22 qtrssince 2020-Q2
Increased
55

ENTEGRIS INC

1.5M$137M1.2%$91.37+2.15%
5 qtrssince 2024-Q3
Increased
77

POPULAR INC

1.1M$136.7M1.2%$70.54+79.35%
27 qtrssince 2019-Q1
Decreased
0

MKS INC.

1.1M$133.8M1.2%$104.22+17.01%
27 qtrssince 2019-Q1
Increased
56

ATI INC

1.6M$126.4M1.1%$29.87+165.33%
27 qtrssince 2019-Q1
Decreased
0

AMENTUM HOLDINGS INC

5.2M$124.6M1.1%$19.92+14.53%
3 qtrssince 2025-Q1
Decreased
0

ROYAL CARIBBEAN GROUP

353,891$114.5M1.0%$325.610.00%
1 qtr
New
69

VERTIV HOLDINGS CO

712,641$107.5M1.0%$69.36+106.53%
15 qtrssince 2022-Q1
Increased
44

VISTRA CORP

539,134$105.6M0.9%$195.77+0.97%
2 qtrssince 2025-Q2
Increased
62

APPLOVIN CORP

142,788$102.6M0.9%$335.38+112.40%
4 qtrssince 2024-Q4
Decreased
0
SIMOSIMO
ADR

SILICON MOTION TECHNOLOGY CO

1M$98.9M0.9%$62.90+47.68%
3 qtrssince 2025-Q1
Decreased
0

SANMINA CORP

792,078$91.2M0.8%$69.32+63.87%
8 qtrssince 2023-Q4
Decreased
0
Showing 20 of 297 results.277 more with Pro.PROUpgrade to see all →

Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
6Q
PSTGEVERPURE INC
Q4 2024 Q1 2026+445,655 shares+$30.7M
5Q
FIPFTAI INFRASTRUCTURE INC
Q1 2025 Q1 2026+7.2M shares+$34.5M
5Q
HQYHEALTHEQUITY INC
Q1 2025 Q1 2026+148,640 shares+$11.9M

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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