FRONTIER CAPITAL MANAGEMENT CO LLCFRONTIER CAPITAL MANAGEMENT CO LLC

Institutional investor · Portfolio as of Q2 2025

SEC EDGAR SourceSEC Filings
$10.8B
AUM
294
Positions
Q2 2025
Filing
Rating · 2.5
Quarterly Portfolio Change
+8%Q1'24$10.7B-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
Activity profile
$ moved · Q2'25
New17%Increased46%Decreased28%Exited8%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 3.5 years
<1Q6%1-4Q18%1-2Y13%2Y+63%

FRONTIER CAPITAL MANAGEMENT CO LLC manages $10.8B across 294 positions as of Q2 2025. Top holdings: FTAI (2.3%), ATI (1.8%), MAT (1.6%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 2.5/5.0.

Q2 2025 Summary

Active quarter - 25 new positions, 14 exits, 126 increased. Top move: DAR (INCREASED, conviction 70). Portfolio: $10.8B across 294 positions.

Top holdings by portfolio weight

Total AUM$11B
FTAI2.28%
ATI1.78%
MAT1.64%
EXP1.55%
XPO1.33%
AMTM1.19%
GVA1.19%
DAR1.17%
SANM1.12%
BPOP1.10%
Other0.94%

Portfolio allocation by GICS sector

Sectors11
Technology25.70%
Industrials22.12%
Healthcare11.84%
Consumer Cyclical11.09%
Financial Services10.21%
Real Estate5.16%
Consumer Defensive3.45%
Energy2.90%
Basic Materials2.50%
Communication Services2.39%
Other2.64%

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.

Holdings294 positions

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

FTAI AVIATION LTD

2.1M$246.7M2.3%$37.76+212.75%
11 qtrssince 2022-Q4
Increased
56

ATI INC

2.2M$192.2M1.8%$29.87+190.57%
26 qtrssince 2019-Q1
Decreased
0

MATTEL INC

9M$177.1M1.6%$16.13+22.77%
23 qtrssince 2019-Q4
Increased
48

EAGLE MATLS INC

830,284$167.8M1.6%$171.63+19.05%
26 qtrssince 2019-Q1
Increased
62

XPO INC

1.1M$143.2M1.3%$52.77+141.58%
17 qtrssince 2021-Q2
Decreased
0

AMENTUM HOLDINGS INC

5.5M$128.9M1.2%$19.92+17.70%
2 qtrssince 2025-Q1
Increased
66

GRANITE CONSTR INC

1.4M$128.1M1.2%$49.00+88.84%
26 qtrssince 2019-Q1
Increased
54

DARLING INGREDIENTS INC

3.3M$126.1M1.2%$38.42-0.78%
9 qtrssince 2023-Q2
Increased
70

SANMINA CORP

1.2M$120.5M1.1%$69.32+41.48%
7 qtrssince 2023-Q4
Increased
57

POPULAR INC

1.1M$119.2M1.1%$70.54+54.72%
26 qtrssince 2019-Q1
Increased
54

CHENIERE ENERGY INC

417,016$101.6M0.9%$218.26+9.14%
3 qtrssince 2024-Q4
Decreased
0

MONOLITHIC PWR SYS INC

132,843$97.2M0.9%$492.66+48.57%
26 qtrssince 2019-Q1
Increased
44

CARLYLE GROUP INC

1.9M$97M0.9%$44.28+13.42%
21 qtrssince 2020-Q2
Decreased
0
SIMOSIMO
ADR

SILICON MOTION TECHNOLOGY CO

1.3M$96.3M0.9%$62.90+18.54%
2 qtrssince 2025-Q1
Increased
68

DOLBY LABORATORIES INC

1.2M$91.9M0.9%$77.70-6.15%
3 qtrssince 2024-Q4
Increased
43

TWILIO INC

731,188$90.9M0.8%$85.28+43.92%
9 qtrssince 2023-Q2
Decreased
0

MKS INC.

912,380$90.7M0.8%$100.95-1.09%
26 qtrssince 2019-Q1
Increased
68

CARPENTER TECHNOLOGY CORP

325,956$90.1M0.8%$36.26+659.07%
26 qtrssince 2019-Q1
Decreased
0

INSPIRE MED SYS INC

693,203$90M0.8%$182.90-27.61%
25 qtrssince 2019-Q2
Increased
60

VERTIV HOLDINGS CO

690,702$88.7M0.8%$67.02+89.63%
14 qtrssince 2022-Q1
Increased
48
Showing 20 of 294 results.274 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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