AI Portfolio Summary
In 2025 Q4, FRONTIER CAPITAL MANAGEMENT CO LLC maintained a portfolio of 321 distinct positions. The most significant new addition to the portfolio was CIRCLE INTERNET GROU, which now represents 0.95% of the total fund value. They heavily accumulated shares in AMENTUM HOLDINGS INC, increasing their position by 11.0%. Conversely, FRONTIER CAPITAL MANAGEMENT CO LLC completely exited their position in CUSHMAN WAKEFIELD PL.
Total Positions
321
Quarter
2025 Q4
Top Holding
FTAI (2.7%)
Top 10 Concentration
15.1%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 321
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
FTAI
FTAI AVIATION L...
|
Industrials | 2.71% | 2.73% |
#1
Prev: #1
|
3.1 | -526,181 | -28.9% |
P
S
|
1,296,579 | $255,231,612 | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMTM
AMENTUM HOLDING...
|
Industrials | 1.78% | 1.12% |
#2
12
Prev: #14
|
4.2 | 570,296 | 11.0% |
P
S
|
5,772,976 | $167,416,293 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GVA
GRANITE CONSTR ...
|
Industrials | 1.54% | 1.27% |
#3
5
Prev: #8
|
2.1 | -39,114 | -3.0% |
P
S
|
1,257,903 | $145,099,094 | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ATI
ATI INC
|
Industrials | 1.49% | 1.13% |
#4
9
Prev: #13
|
1.1 | -327,108 | -21.0% |
P
S
|
1,227,453 | $140,862,463 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MDB
MONGODB INC
|
Technology | 1.35% | 0.79% |
#5
18
Prev: #23
|
3.0 | 17,389 | 6.1% |
P
S
|
302,093 | $126,785,300 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALAB
ASTERA LABS INC
|
Technology | 1.30% | 0.00% |
#6
281
Prev: #287
|
3.5 | 733,735 | 45687.1% |
P
S
|
735,341 | $122,331,362 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NTRA
NATERA INC
|
Healthcare | 1.27% | 0.53% |
#7
44
Prev: #51
|
3.0 | 152,736 | 41.4% |
P
S
|
521,750 | $119,527,693 | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BPOP
POPULAR INC
|
Financial Services | 1.26% | 1.23% |
#8
3
Prev: #11
|
1.0 | -122,039 | -11.3% |
P
S
|
954,230 | $118,820,686 | 2012 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALK
ALASKA AIR GROU...
|
Industrials | 1.22% | 0.80% |
#9
13
Prev: #22
|
3.0 | 491,752 | 27.5% |
P
S
|
2,280,772 | $114,722,821 | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EXP
EAGLE MATLS INC
|
Basic Materials | 1.20% | 1.97% |
#10
8
Prev: #2
|
0.5 | -398,334 | -42.2% |
P
S
|
545,349 | $112,712,730 | 2011 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TER
TERADYNE INC
|
Technology | 1.17% | 1.76% |
#11
8
Prev: #3
|
0.5 | -855,408 | -60.0% |
P
S
|
571,240 | $110,569,134 | 1999 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KNX
KNIGHT-SWIFT TR...
|
Industrials | 1.08% | 0.24% |
#12
141
Prev: #153
|
3.4 | 1,273,837 | 187.1% |
P
S
|
1,954,547 | $102,183,741 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DAR
DARLING INGREDI...
|
Consumer Defensive | 1.04% | 0.79% |
#13
11
Prev: #24
|
0.9 | -128,503 | -4.5% |
P
S
|
2,720,397 | $97,934,310 | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
XPO
XPO INC
|
Industrials | 1.04% | 1.29% |
#14
7
Prev: #7
|
0.4 | -391,235 | -35.2% |
P
S
|
720,353 | $97,903,168 | 2021 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SANM
SANMINA CORPORA...
|
Technology | 1.02% | 0.82% |
#15
5
Prev: #20
|
0.9 | -153,337 | -19.4% |
P
S
|
638,741 | $95,855,821 | 1999 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CRCL
CIRCLE INTERNET...
|
Financial Services | 0.95% | — |
#16
Prev: #—
|
3.9 | 1,130,104 | no change |
NEW
|
1,130,104 | $89,617,273 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UCTT
ULTRA CLEAN HLD...
|
Technology | 0.94% | 0.74% |
#17
10
Prev: #27
|
2.4 | 476,569 | 15.7% |
P
S
|
3,509,839 | $88,904,223 | 2018 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UTHR
UNITED THERAPEU...
|
Healthcare | 0.94% | 0.65% |
#18
16
Prev: #34
|
0.9 | 7,229 | 4.2% |
P
S
|
181,177 | $88,278,545 | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ENTG
ENTEGRIS INC
|
Technology | 0.94% | 1.23% |
#19
9
Prev: #10
|
0.4 | -434,096 | -29.3% |
P
S
|
1,047,498 | $88,251,686 | 2019 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MKSI
MKS INC.
|
Technology | 0.93% | 1.20% |
#20
8
Prev: #12
|
0.4 | -530,028 | -49.0% |
P
S
|
550,735 | $88,007,378 | 2019 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MAT
MATTEL INC
|
Consumer Cyclical | 0.89% | 0.75% |
#21
5
Prev: #26
|
0.9 | -771,964 | -15.5% |
P
S
|
4,215,431 | $83,634,161 | 1999 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ASH
ASHLAND INC
|
Basic Materials | 0.89% | 0.18% |
#22
160
Prev: #182
|
3.4 | 1,001,992 | 236.7% |
P
S
|
1,425,289 | $83,621,706 | 2002 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MPWR
MONOLITHIC PWR ...
|
Technology | 0.81% | 1.35% |
#23
18
Prev: #5
|
0.3 | -79,798 | -48.7% |
P
S
|
84,118 | $76,241,035 | 2004 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WTFC
WINTRUST FINL C...
|
Financial Services | 0.81% | 0.64% |
#24
11
Prev: #35
|
0.8 | 2,198 | 0.4% |
P
S
|
543,048 | $75,929,022 | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LCII
LCI INDS
|
Consumer Cyclical | 0.77% | 0.53% |
#25
25
Prev: #50
|
0.8 | -43,603 | -6.8% |
P
S
|
595,842 | $72,299,494 | 2006 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CWK
CUSHMAN WAKEFIE...
|
Real Estate | 0.00% | 0.70% |
Sold All 😨
(Was: #28) |
0.0 | -4,938,347 | -100.0% |
CLOSED
|
— | $— | 2018 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DBRG
DIGITALBRIDGE G...
|
Financial Services | 0.00% | 0.68% |
Sold All 😨
(Was: #32) |
0.0 | -6,455,013 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CSGP
COSTAR GROUP IN...
|
Real Estate | 0.00% | 0.37% |
Sold All 😨
(Was: #93) |
0.0 | -490,623 | -100.0% |
CLOSED
|
— | $— | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HUBS
HUBSPOT INC
|
Technology | 0.00% | 0.35% |
Sold All 😨
(Was: #101) |
0.0 | -84,100 | -100.0% |
CLOSED
|
— | $— | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TREX
TREX CO INC
|
Industrials | 0.00% | 0.30% |
Sold All 😨
(Was: #124) |
0.0 | -639,397 | -100.0% |
CLOSED
|
— | $— | 2006 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FMC
FMC CORP
|
Basic Materials | 0.00% | 0.24% |
Sold All 😨
(Was: #155) |
0.0 | -790,217 | -100.0% |
CLOSED
|
— | $— | 1999 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FTNT
FORTINET INC
|
Technology | 0.00% | 0.23% |
Sold All 😨
(Was: #161) |
0.0 | -308,839 | -100.0% |
CLOSED
|
— | $— | 2010 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SM
SM ENERGY CO
|
Energy | 0.00% | 0.18% |
Sold All 😨
(Was: #185) |
0.0 | -796,947 | -100.0% |
CLOSED
|
— | $— | 2001 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
STRL
STERLING INFRAS...
|
Industrials | 0.00% | 0.15% |
Sold All 😨
(Was: #202) |
0.0 | -48,514 | -100.0% |
CLOSED
|
— | $— | 2006 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
APO
APOLLO GLOBAL M...
|
Financial Services | 0.00% | 0.14% |
Sold All 😨
(Was: #205) |
0.0 | -120,732 | -100.0% |
CLOSED
|
— | $— | 2022 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PJT
PJT PARTNERS IN...
|
Financial Services | 0.00% | 0.14% |
Sold All 😨
(Was: #210) |
0.0 | -86,495 | -100.0% |
CLOSED
|
— | $— | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EXAS
EXACT SCIENCES ...
|
Healthcare | 0.00% | 0.12% |
Sold All 😨
(Was: #218) |
0.0 | -246,546 | -100.0% |
CLOSED
|
— | $— | 2003 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TEM
TEMPUS AI INC
|
Healthcare | 0.00% | 0.12% |
Sold All 😨
(Was: #222) |
0.0 | -164,850 | -100.0% |
CLOSED
|
— | $— | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ESTC
ELASTIC N V
|
Technology | 0.00% | 0.11% |
Sold All 😨
(Was: #234) |
0.0 | -139,717 | -100.0% |
CLOSED
|
— | $— | 2022 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MTZ
MASTEC INC
|
Industrials | 0.00% | 0.10% |
Sold All 😨
(Was: #236) |
0.0 | -53,702 | -100.0% |
CLOSED
|
— | $— | 2007 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GBX
GREENBRIER COS ...
|
Industrials | 0.00% | 0.10% |
Sold All 😨
(Was: #240) |
0.0 | -235,910 | -100.0% |
CLOSED
|
— | $— | 2019 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GTM
ZOOMINFO TECHNO...
|
Technology | 0.00% | 0.08% |
Sold All 😨
(Was: #256) |
0.0 | -781,520 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
APPN
APPIAN CORP
|
Technology | 0.00% | 0.07% |
Sold All 😨
(Was: #258) |
0.0 | -273,306 | -100.0% |
CLOSED
|
— | $— | 2018 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVCR
NOVOCURE LTD
|
Healthcare | 0.00% | 0.06% |
Sold All 😨
(Was: #267) |
0.0 | -481,349 | -100.0% |
CLOSED
|
— | $— | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TPG
TPG INC
|
Financial Services | 0.00% | 0.05% |
Sold All 😨
(Was: #273) |
0.0 | -97,915 | -100.0% |
CLOSED
|
— | $— | 2022 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ACHC
ACADIA HEALTHCA...
|
Healthcare | 0.00% | 0.04% |
Sold All 😨
(Was: #276) |
0.0 | -183,959 | -100.0% |
CLOSED
|
— | $— | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EOLS
EVOLUS INC
|
Healthcare | 0.00% | 0.01% |
Sold All 😨
(Was: #279) |
0.0 | -270,506 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALMTF
ALMONTY INDS IN...
|
Unknown | 0.00% | 0.01% |
Sold All 😨
(Was: #280) |
0.0 | -230,623 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TOST
TOAST INC
|
Technology | 0.00% | 0.01% |
Sold All 😨
(Was: #281) |
0.0 | -34,227 | -100.0% |
CLOSED
|
— | $— | 2022 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EA
ELECTRONIC ARTS...
|
Communication Services | 0.00% | 0.00% |
Sold All 😨
(Was: #284) |
0.0 | -2,036 | -100.0% |
CLOSED
|
— | $— | 2002 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CFLT
CONFLUENT INC
|
Technology | 0.00% | 0.00% |
Sold All 😨
(Was: #290) |
0.0 | -14,837 | -100.0% |
CLOSED
|
— | $— | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 321 holdings