Filed: 2/17/2026ACC: 0001172661-26-000845
📋 What this filing means
FRONTIER CAPITAL MANAGEMENT CO LLC filed this quarterly 13F‑HR report disclosing 295 equity positions with a total reported market value of $9.42B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
295
Positions
$9.42B
Total AUM (reported)
212.30M
Total Shares
Allocation by class
COM$7.00B74.3%
CL A$510.08M5.4%
COM NEW$353.89M3.8%
SHS$268.49M2.8%
COM CL A$242.15M2.6%
CLASS A COM$170.96M1.8%
COMMON STOCK$170.51M1.8%
Portfolio Concentration
Top 3$567.75M6.0%
4–10$855.76M9.1%
11–25$1.34B14.2%
Rest$6.66B70.7%
Top 3 weight
6.0%
Top 10 weight
15.1%
Voting Authority Distribution
Total shares with voting rights: 212.30M
Sole
Full voting authority
130.31M
shares
% of voting shares61.4%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
81.99M
shares
% of voting shares38.6%
Investment Discretion (by position count)
Sole295
Shared0
Other0
Dominant voting typeSole · 61.4% of voting shares
Institutional Holdings295
Rows:
FTAI AVIATION LTD
SOLEShares1.30M
TypeSH
Market value$255.23M
2.71%
Sole
915.26K
Shared
0.00
None
381.31K
AMENTUM HOLDINGS INC
SOLEShares5.77M
TypeSH
Market value$167.42M
1.78%
Sole
3.18M
Shared
0.00
None
2.59M
GRANITE CONSTR INC
SOLEShares1.26M
TypeSH
Market value$145.10M
1.54%
Sole
746.78K
Shared
0.00
None
511.12K
ATI INC
SOLEShares1.23M
TypeSH
Market value$140.86M
1.49%
Sole
793.69K
Shared
0.00
None
433.76K
MONGODB INC
SOLEShares302.09K
TypeSH
Market value$126.79M
1.35%
Sole
209.69K
Shared
0.00
None
92.41K
ASTERA LABS INC
SOLEShares735.34K
TypeSH
Market value$122.33M
1.30%
Sole
410.28K
Shared
0.00
None
325.06K
NATERA INC
SOLEShares521.75K
TypeSH
Market value$119.53M
1.27%
Sole
357.89K
Shared
0.00
None
163.86K
POPULAR INC
SOLEShares954.23K
TypeSH
Market value$118.82M
1.26%
Sole
608.82K
Shared
0.00
None
345.42K
ALASKA AIR GROUP INC
SOLEShares2.28M
TypeSH
Market value$114.72M
1.22%
Sole
1.16M
Shared
0.00
None
1.12M
EAGLE MATLS INC
SOLEShares545.35K
TypeSH
Market value$112.71M
1.20%
Sole
394.69K
Shared
0.00
None
150.66K
TERADYNE INC
SOLEShares571.24K
TypeSH
Market value$110.57M
1.17%
Sole
546.01K
Shared
0.00
None
25.23K
KNIGHT-SWIFT TRANSN HLDGS IN
SOLEShares1.95M
TypeSH
Market value$102.18M
1.08%
Sole
1.41M
Shared
0.00
None
542.13K
DARLING INGREDIENTS INC
SOLEShares2.72M
TypeSH
Market value$97.93M
1.04%
Sole
1.55M
Shared
0.00
None
1.17M
XPO INC
SOLEShares720.35K
TypeSH
Market value$97.90M
1.04%
Sole
668.21K
Shared
0.00
None
52.15K
SANMINA CORPORATION
SOLEShares638.74K
TypeSH
Market value$95.86M
1.02%
Sole
364.77K
Shared
0.00
None
273.97K
CIRCLE INTERNET GROUP INC
SOLEShares1.13M
TypeSH
Market value$89.62M
0.95%
Sole
542.82K
Shared
0.00
None
587.29K
ULTRA CLEAN HLDGS INC
SOLEShares3.51M
TypeSH
Market value$88.90M
0.94%
Sole
2.08M
Shared
0.00
None
1.43M
UNITED THERAPEUTICS CORP DEL
SOLEShares181.18K
TypeSH
Market value$88.28M
0.94%
Sole
128.94K
Shared
0.00
None
52.23K
ENTEGRIS INC
SOLEShares1.05M
TypeSH
Market value$88.25M
0.94%
Sole
476.44K
Shared
0.00
None
571.06K
MKS INC.
SOLEShares550.74K
TypeSH
Market value$88.01M
0.93%
Sole
311.41K
Shared
0.00
None
239.32K
MATTEL INC
SOLEShares4.22M
TypeSH
Market value$83.63M
0.89%
Sole
2.67M
Shared
0.00
None
1.54M
ASHLAND INC
SOLEShares1.43M
TypeSH
Market value$83.62M
0.89%
Sole
739.07K
Shared
0.00
None
686.22K
MONOLITHIC PWR SYS INC
SOLEShares84.12K
TypeSH
Market value$76.24M
0.81%
Sole
72.82K
Shared
0.00
None
11.29K
WINTRUST FINL CORP
SOLEShares543.05K
TypeSH
Market value$75.93M
0.81%
Sole
371.87K
Shared
0.00
None
171.18K
LCI INDS
SOLEShares595.84K
TypeSH
Market value$72.30M
0.77%
Sole
341.46K
Shared
0.00
None
254.38K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
FTAI AVIATION LTDSOLE | SHS | 1.30M | SH | $255.23M 2.71% | 915.26K | 0.00 | 381.31K |
AMENTUM HOLDINGS INCSOLE | COM | 5.77M | SH | $167.42M 1.78% | 3.18M | 0.00 | 2.59M |
GRANITE CONSTR INCSOLE | COM | 1.26M | SH | $145.10M 1.54% | 746.78K | 0.00 | 511.12K |
ATI INCSOLE | COM | 1.23M | SH | $140.86M 1.49% | 793.69K | 0.00 | 433.76K |
MONGODB INCSOLE | CL A | 302.09K | SH | $126.79M 1.35% | 209.69K | 0.00 | 92.41K |
ASTERA LABS INCSOLE | COM | 735.34K | SH | $122.33M 1.30% | 410.28K | 0.00 | 325.06K |
NATERA INCSOLE | COM | 521.75K | SH | $119.53M 1.27% | 357.89K | 0.00 | 163.86K |
POPULAR INCSOLE | COM NEW | 954.23K | SH | $118.82M 1.26% | 608.82K | 0.00 | 345.42K |
ALASKA AIR GROUP INCSOLE | COM | 2.28M | SH | $114.72M 1.22% | 1.16M | 0.00 | 1.12M |
EAGLE MATLS INCSOLE | COM | 545.35K | SH | $112.71M 1.20% | 394.69K | 0.00 | 150.66K |
TERADYNE INCSOLE | COM | 571.24K | SH | $110.57M 1.17% | 546.01K | 0.00 | 25.23K |
KNIGHT-SWIFT TRANSN HLDGS INSOLE | CL A | 1.95M | SH | $102.18M 1.08% | 1.41M | 0.00 | 542.13K |
DARLING INGREDIENTS INCSOLE | COM | 2.72M | SH | $97.93M 1.04% | 1.55M | 0.00 | 1.17M |
XPO INCSOLE | COM | 720.35K | SH | $97.90M 1.04% | 668.21K | 0.00 | 52.15K |
SANMINA CORPORATIONSOLE | COM | 638.74K | SH | $95.86M 1.02% | 364.77K | 0.00 | 273.97K |
CIRCLE INTERNET GROUP INCSOLE | COM CL A | 1.13M | SH | $89.62M 0.95% | 542.82K | 0.00 | 587.29K |
ULTRA CLEAN HLDGS INCSOLE | COM | 3.51M | SH | $88.90M 0.94% | 2.08M | 0.00 | 1.43M |
UNITED THERAPEUTICS CORP DELSOLE | COM | 181.18K | SH | $88.28M 0.94% | 128.94K | 0.00 | 52.23K |
ENTEGRIS INCSOLE | COM | 1.05M | SH | $88.25M 0.94% | 476.44K | 0.00 | 571.06K |
MKS INC.SOLE | COM | 550.74K | SH | $88.01M 0.93% | 311.41K | 0.00 | 239.32K |
MATTEL INCSOLE | COM | 4.22M | SH | $83.63M 0.89% | 2.67M | 0.00 | 1.54M |
ASHLAND INCSOLE | COM | 1.43M | SH | $83.62M 0.89% | 739.07K | 0.00 | 686.22K |
MONOLITHIC PWR SYS INCSOLE | COM | 84.12K | SH | $76.24M 0.81% | 72.82K | 0.00 | 11.29K |
WINTRUST FINL CORPSOLE | COM | 543.05K | SH | $75.93M 0.81% | 371.87K | 0.00 | 171.18K |
LCI INDSSOLE | COM | 595.84K | SH | $72.30M 0.77% | 341.46K | 0.00 | 254.38K |
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