Private Investment Firm

Westfield Capital Management Co. LP

Investment Details

Investor Type
Private Investment Firm

Asset Class Focus
Equity

Stage Focus
Growth, Late Stage, Pre-IPO

Geographical Focus
United States

Industries Focus

  • Financial Services
  • Technology
  • Healthcare
  • Energy
  • Consumer Goods
  • Industrials
  • Real Estate
  • Materials
  • Telecommunications
  • Utilities
  • Consumer Services
  • Basic Materials
  • Consumer Non-Durables
  • Health Services
  • Technology Services

Investor Details Founded: 1989

Westfield Capital Management Co. LP is an employee-owned investment firm specializing in U.S. growth equities. Founded in 1989, the firm has built a long track record of strong performance, driven by a deeply experienced investment team and a flexible, fundamentals-based research process. As of year-end 2024, Westfield managed assets under management totaling approximately $24 billion. The firm's investment process, leadership, and daily operations remain unchanged. Today, Westfield has over 60 employees, with an average of more than 20 years of experience.

The firm's investment strategies include Small Cap, Small-Mid Cap, Mid Cap, Large Cap, All Cap, Dividend Growth, Select Growth, Sustainable Growth, and Health Care. Operating from One Financial Center, 23rd Floor, Boston, MA 02111, Westfield is committed to delivering superior and consistent investment performance through a disciplined, team-based approach.

In April 2025, Monex Group, Inc., a leading Japanese financial group, acquired a 20% stake in Westfield Capital Management Company, L.P., making Westfield an equity method affiliate of the company. This transaction is expected to enhance the company's earnings stability and diversification, further solidifying Westfield's position in the U.S. equity market.

Requirements
  • Institutional clients
  • High-net-worth individuals
Contact

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