FRONTIER CAPITAL MANAGEMENT CO LLC

PrivateCIK: 351173

Location

BOSTON, MA

291

Positions

$9.73B

Total AUM (reported)

214.20M

Total Shares

Allocation by class

COM$7.15B73.5%

CL A$436.95M4.5%

COM CL A$380.67M3.9%

COM NEW$336.17M3.5%

SHS$272.24M2.8%

CLASS A COM$229.97M2.4%

COMMON STOCK$215.52M2.2%

Portfolio Concentration

Top 3$561.97M5.8%

4–10$926.36M9.5%

11–25$1.44B14.8%

Rest$6.80B69.9%

Top 3 weight

5.8%

Top 10 weight

15.3%

Voting Authority Distribution

Total shares with voting rights: 214.20M

Sole

Full voting authority

127.27M

% of voting shares59.4%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

86.93M

% of voting shares40.6%

Investment Discretion (by position count)

Sole291

Shared0

Other0

Dominant voting typeSole · 59.4% of voting shares

Institutional Holdings291

Rows:

FTAI AVIATION LTD

SOLE

SHS

Shares1.06M

TypeSH

Market value$260.24M

2.67%

Sole

643.92K

Shared

0.00

None

418.29K

DARLING INGREDIENTS INC

SOLE

COM

Shares2.46M

TypeSH

Market value$151.88M

1.56%

Sole

1.31M

Shared

0.00

None

1.14M

UNITED THERAPEUTICS CORP DEL

SOLE

COM

Shares252.70K

TypeSH

Market value$149.85M

1.54%

Sole

145.73K

Shared

0.00

None

106.97K

CIRCLE INTERNET GROUP INC

SOLE

COM CL A

Shares1.55M

TypeSH

Market value$147.71M

1.52%

Sole

796.98K

Shared

0.00

None

751.17K

GRANITE CONSTR INC

SOLE

COM

Shares1.19M

TypeSH

Market value$142.39M

1.46%

Sole

626.49K

Shared

0.00

None

561.25K

STRIDE INC

SOLE

COM

Shares1.55M

TypeSH

Market value$136.60M

1.40%

Sole

Shared

0.00

None

547.02K

AMENTUM HOLDINGS INC

SOLE

COM

Shares4.93M

TypeSH

Market value$128.58M

1.32%

Sole

2.73M

Shared

0.00

None

2.20M

XPO INC

SOLE

COM

Shares652.07K

TypeSH

Market value$126.86M

1.30%

Sole

607.41K

Shared

0.00

None

44.67K

ALASKA AIR GROUP INC

SOLE

COM

Shares3.37M

TypeSH

Market value$124.08M

1.28%

Sole

1.45M

Shared

0.00

None

1.92M

KNIGHT-SWIFT TRANSN HLDGS IN

SOLE

CL A

Shares2.09M

TypeSH

Market value$120.14M

1.23%

Sole

1.47M

Shared

0.00

None

616.88K

AKAMAI TECHNOLOGIES INC

SOLE

COM

Shares1.04M

TypeSH

Market value$119.05M

1.22%

Sole

660.03K

Shared

0.00

None

376.54K

EAGLE MATLS INC

SOLE

COM

Shares610.65K

TypeSH

Market value$115.69M

1.19%

Sole

404.79K

Shared

0.00

None

205.86K

ULTRA CLEAN HLDGS INC

SOLE

COM

Shares1.79M

TypeSH

Market value$111.14M

1.14%

Sole

Shared

0.00

None

784.50K

POPULAR INC

SOLE

COM NEW

Shares800.93K

TypeSH

Market value$107.46M

1.10%

Sole

545.25K

Shared

0.00

None

255.68K

ASHLAND INC

SOLE

COM

Shares1.91M

TypeSH

Market value$106.36M

1.09%

Sole

959.54K

Shared

0.00

None

953.15K

ATI INC

SOLE

COM

Shares694.42K

TypeSH

Market value$101.01M

1.04%

Sole

471.43K

Shared

0.00

None

222.99K

JAZZ PHARMACEUTICALS PLC

SOLE

SHS USD

Shares517.28K

TypeSH

Market value$97.79M

1.01%

Sole

203.21K

Shared

0.00

None

314.07K

TIDEWATER INC NEW

SOLE

COM

Shares1.07M

TypeSH

Market value$89.63M

0.92%

Sole

569.50K

Shared

0.00

None

503.30K

APOGEE THERAPEUTICS INC

SOLE

COM

Shares1.06M

TypeSH

Market value$89.60M

0.92%

Sole

398.67K

Shared

0.00

None

665.81K

ENTEGRIS INC

SOLE

COM

Shares754.71K

TypeSH

Market value$88.48M

0.91%

Sole

396.07K

Shared

0.00

None

358.63K

MONOLITHIC PWR SYS INC

SOLE

COM

Shares79.70K

TypeSH

Market value$87.14M

0.90%

Sole

62.91K

Shared

0.00

None

16.79K

KIRBY CORP

SOLE

COM

Shares644.33K

TypeSH

Market value$85.62M

0.88%

Sole

324.19K

Shared

0.00

None

320.14K

AGREE RLTY CORP

SOLE

COM

Shares1.10M

TypeSH

Market value$83.02M

0.85%

Sole

609.99K

Shared

0.00

None

491.39K

SANMINA CORP

SOLE

COM

Shares637.39K

TypeSH

Market value$82.63M

0.85%

Sole

368.13K

Shared

0.00

None

269.26K

INSMED INC

SOLE

COM PAR $.01

Shares469.56K

TypeSH

Market value$76.78M

0.79%

Sole

338.89K

Shared

0.00

None

130.67K

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
FTAI AVIATION LTDSOLE	SHS	1.06M	SH	$260.24M 2.67%	643.92K	418.29K
DARLING INGREDIENTS INCSOLE	COM	2.46M	SH	$151.88M 1.56%	1.31M	1.14M
UNITED THERAPEUTICS CORP DELSOLE	COM	252.70K	SH	$149.85M 1.54%	145.73K	106.97K
CIRCLE INTERNET GROUP INCSOLE	COM CL A	1.55M	SH	$147.71M 1.52%	796.98K	751.17K
GRANITE CONSTR INCSOLE	COM	1.19M	SH	$142.39M 1.46%	626.49K	561.25K
STRIDE INCSOLE	COM	1.55M	SH	$136.60M 1.40%	1M	547.02K
AMENTUM HOLDINGS INCSOLE	COM	4.93M	SH	$128.58M 1.32%	2.73M	2.20M
XPO INCSOLE	COM	652.07K	SH	$126.86M 1.30%	607.41K	44.67K
ALASKA AIR GROUP INCSOLE	COM	3.37M	SH	$124.08M 1.28%	1.45M	1.92M
KNIGHT-SWIFT TRANSN HLDGS INSOLE	CL A	2.09M	SH	$120.14M 1.23%	1.47M	616.88K
AKAMAI TECHNOLOGIES INCSOLE	COM	1.04M	SH	$119.05M 1.22%	660.03K	376.54K
EAGLE MATLS INCSOLE	COM	610.65K	SH	$115.69M 1.19%	404.79K	205.86K
ULTRA CLEAN HLDGS INCSOLE	COM	1.79M	SH	$111.14M 1.14%	1M	784.50K
POPULAR INCSOLE	COM NEW	800.93K	SH	$107.46M 1.10%	545.25K	255.68K
ASHLAND INCSOLE	COM	1.91M	SH	$106.36M 1.09%	959.54K	953.15K
ATI INCSOLE	COM	694.42K	SH	$101.01M 1.04%	471.43K	222.99K
JAZZ PHARMACEUTICALS PLCSOLE	SHS USD	517.28K	SH	$97.79M 1.01%	203.21K	314.07K
TIDEWATER INC NEWSOLE	COM	1.07M	SH	$89.63M 0.92%	569.50K	503.30K
APOGEE THERAPEUTICS INCSOLE	COM	1.06M	SH	$89.60M 0.92%	398.67K	665.81K
ENTEGRIS INCSOLE	COM	754.71K	SH	$88.48M 0.91%	396.07K	358.63K
MONOLITHIC PWR SYS INCSOLE	COM	79.70K	SH	$87.14M 0.90%	62.91K	16.79K
KIRBY CORPSOLE	COM	644.33K	SH	$85.62M 0.88%	324.19K	320.14K
AGREE RLTY CORPSOLE	COM	1.10M	SH	$83.02M 0.85%	609.99K	491.39K
SANMINA CORPSOLE	COM	637.39K	SH	$82.63M 0.85%	368.13K	269.26K
INSMED INCSOLE	COM PAR $.01	469.56K	SH	$76.78M 0.79%	338.89K	130.67K

Page 1 of 12

…