Frontier Capital Management Co. LLC
Frontier Capital Management Company, LLC is a Boston, Massachusetts-based investment adviser founded in 1980. The firm manages equity portfolios principally for institutional clients, including corporate and public pension plans, foundations, endowments, municipalities, mutual funds, collective trusts, and private investment funds. As of the latest data, it employs approximately 39–41 people at its single Boston office. The firm is majority-owned by Affiliated Managers Group, Inc. (AMG) but operates with full investment autonomy.
Investment Strategy
Frontier Capital Management specializes in managing growth and value equity portfolios with a fundamental, research-driven approach. The firm invests in publicly traded equities, focusing on identifying companies with strong and sustainable growth prospects. Frontier primarily serves institutional investors through both separately managed accounts and as a sub-adviser to mutual funds and other pooled vehicles. The investment process emphasizes deep fundamental research, proprietary analysis, and a disciplined risk management framework, seeking to deliver long-term value through insight-driven stock selection and portfolio construction.
Latest 13F Filing Activity
Frontier Capital Management Co. LLC filed their most recent 13F report on Jun 30, 2025 disclosing 291 equity positions with a total 13F market value of $11B. The fund increased holdings in Roblox Corp., Silicon Motion Technology Co., Vistra Corp. among other positions. Frontier Capital Management Co. LLC reduced exposure to Beacon Roofing Supply Inc., Caesars Entertainment Inc. Ne, United Therapeutics Corp. Del among others.
Top Holdings
Equity Positions (291)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
F FTAI | FTAI AVIATION LTD | 2.28% | $246.7M | 2,144,625 | $38.84 | $115.04 | +$21.8M |
A ATI | ATI INC | 1.78% | $192.2M | 2,225,724 | $29.72 | $86.34 | +$56.8M |
M MAT | MATTEL INC | 1.64% | $177.1M | 8,980,205 | $16.06 | $19.72 | +$3.7M |
E EXP | EAGLE MATLS INC | 1.55% | $167.8M | 830,284 | $172.76 | $202.11 | +$32.3M |
X XPO | XPO INC | 1.33% | $143.2M | 1,133,879 | $59.65 | $126.29 | +$16.1M |
Industry Allocation
Investment Team (20)
| Name | Role | Location | |
|---|---|---|---|
 | Assistant Vice President | RI , United States | |
 | Research Analyst | Boston, MA , United States | |
D Drew Bennett | Vice President | Hingham, MA , United States | |
 | Research Analyst | Cambridge, MA , United States | |
 | Partner, Vice-President | Boston, MA , United States | |
 | Vice President | Needham, MA , United States | |
J Jason Wolff | President | Wilson, WY , United States | |
 | Research Analyst | Cambridge, MA , United States | |
 | Portfolio Manager | Boston, MA , United States | |
N Nathan Hayman | Portfolio Manager | Lebanon, NH , United States |