Private company

FRONTIER CAPITAL MANAGEMENT CO LLC

American company, incorporated in Delaware. Summary from the record

Last updated Oct 21, 2026.

Overview

HeadquartersDE¹

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Corporate structure

FRONTIER CAPITAL MANAGEMENT CO LLC sits at the top of its group. 13 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

FRONTIER CAPITAL MANAGEMENT CO LLC DE
- Bancorp, Inc. Stake · Wilmington, Delaware
- FLUSHING FINANCIAL CORP Stake · Uniondale, New York
- indie Semiconductor, Inc. Stake · Aliso Viejo, California, United States
- Interface, Inc. Stake · Atlanta, Georgia, United States
- MODINE MANUFACTURING CO Stake · Racine, Wisconsin, United States
- MRC GLOBAL INC. Stake · Houston, Texas, United States
- Pagaya technologies Stake · New York City
- Paymentus Holdings, Inc. Stake · Addison, Texas
- STONERIDGE INC Stake · Novi, Michigan, United States
- Sun Country Airlines Holdings, LLC Stake · Las Vegas, Nevada
- Tutor Perini Stake · Los Angeles, California, United States
- Ultra Clean Holdings, Inc. Stake · Hayward, California, United States

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (12 companies). Each entity in the chart links to its source.

Stakes it holds

FRONTIER CAPITAL MANAGEMENT CO LLC has told the SEC it owns more than 5% of 12 companies, latest first (Schedules 13D and 13G).

indie Semiconductor, Inc.SCHEDULE 13G/A Jan 16, 2025 to Aug 14, 2026²
Ultra Clean Holdings, Inc.SCHEDULE 13G/A Feb 14, 2024 to May 15, 2026³
MRC GLOBAL INC.SCHEDULE 13G/A Feb 14, 2024 to Nov 14, 2025⁴
Pagaya technologiesSCHEDULE 13G/A May 14, 2025 to Aug 14, 2025⁵
Sun Country Airlines Holdings, LLCSCHEDULE 13G Aug 14, 2025⁶
STONERIDGE INCSCHEDULE 13G/A Jan 31, 2022 to Jan 21, 2025⁷
FLUSHING FINANCIAL CORPSCHEDULE 13G/A Jan 31, 2022 to Jan 16, 2025⁸
Interface, Inc.SCHEDULE 13G/A Jan 31, 2022 to Jan 16, 2025⁹
Paymentus Holdings, Inc.SCHEDULE 13G/A Feb 14, 2023 to Jan 16, 2025¹⁰
MODINE MANUFACTURING COSC 13G/A Jan 31, 2022 to Feb 14, 2024¹¹
Bancorp, Inc.SC 13G/A Jan 31, 2022¹²
Tutor PeriniSC 13G/A Jan 31, 2022¹³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC filings on SEC EDGAR
2
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on indie Semiconductor, Inc.
3
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on Ultra Clean Holdings, Inc.
4
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on MRC GLOBAL INC.
5
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on Pagaya technologies
6
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G on Sun Country Airlines Holdings, LLC
7
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on STONERIDGE INC
8
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on FLUSHING FINANCIAL CORP
9
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on Interface, Inc.
10
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SCHEDULE 13G/A on Paymentus Holdings, Inc.
11
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SC 13G/A on MODINE MANUFACTURING CO
12
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SC 13G/A on Bancorp, Inc.
13
SEC EDGARFRONTIER CAPITAL MANAGEMENT CO LLC SC 13G/A on Tutor Perini