FRONTIER CAPITAL MANAGEMENT CO LLC

CIK
351173
City
Boston
State / Country
MA

Top Portfolio Positions

291 positions · $9,729,472,588 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
FTAI
FTAI Aviation Ltd.
Industrials
1,062,210 $260,241,450 2.67%
DAR
Darling Ingredients Inc.
Consumer Defensive
2,455,668 $151,883,065 1.56%
UTHR
UNITED THERAPEUTICS Corp
Healthcare
252,702 $149,847,231 1.54%
CRCL
Circle Internet Group, Inc.
Financial Services
1,548,150 $147,708,991 1.52%
GVA
Granite Construction Inc
Industrials
1,187,736 $142,385,791 1.46%
LRN
Stride, Inc.
Consumer Defensive
1,549,291 $136,600,987 1.40%
AMTM
Amentum Holdings, Inc.
Industrials
4,930,210 $128,579,876 1.32%
XPO
XPO, Inc.
Industrials
652,073 $126,860,802 1.30%
ALK
Alaska Air Group, Inc.
Industrials
3,373,587 $124,080,529 1.28%
KNX
Knight-Swift Transportation Holdings Inc.
Industrials
2,086,544 $120,143,203 1.23%

Portfolio Trend

25 quarters · across all stocks

Holdings in MDB

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Shares Held

Position Value (USD)

25 of 25 shown
Report Date Value (USD) Shares
2026-03-31 $52,458,127 214,316
2025-12-31 $126,785,411 302,093
2025-09-30 $88,366,427 284,704
2025-06-30 $77,547,417 369,291
2025-03-31 $84,872,376 483,879
2024-12-31 $78,982,422 339,257
2024-09-30 $63,992,115 236,701
2024-06-30 $68,123,098 272,536
2024-03-31 $79,388,909 221,361
2023-12-31 $102,367,045 250,378
2023-09-30 $69,743,360 201,652
2023-06-30 $95,106,784 231,409
2023-03-31 $8,205,357 35,198
2022-12-31 $2,990,983 15,195
2022-09-30 $1,542,016 7,766
2022-06-30 $39,948,208 153,943
2022-03-31 $67,826,241 152,903
2021-12-31 $93,974,976 177,529
2021-09-30 $113,057,724 239,778
2021-06-30 $105,449,961 291,685
2021-03-31 $68,448,975 255,951
2020-12-31 $110,952,695 309,026
2020-09-30 $117,357,049 506,920
2020-06-30 $69,977,085 309,168
2020-03-31 $63,816,474 467,383