Westfield Capital Management Co. LP
Westfield Capital Management Company LP is a Boston-based investment management firm focused on growth equity investing. Founded in 1989, the firm serves institutional investors, including corporations, public and corporate pension plans, endowments, foundations, and high-net-worth individuals. It specializes in actively managed equities with a mid and large-cap focus and employs more than 50 professionals.
Investment Strategy
Westfield Capital Management employs a fundamental, bottom-up research approach focused on growth-oriented equity investing. The firm seeks to identify high-quality companies with above-average growth prospects, strong management teams, and sustainable competitive advantages. Portfolios are typically concentrated and constructed with a long-term investment horizon, focusing on U.S. mid- and large-cap stocks across various growth styles.
Top Holdings
Equity Positions (237)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
N NVDA | NVIDIA CORPORATION | 5.00% | $1.19B | 7,545,345 | $46.54 | $157.99 | +$396.9M |
A ASND | ASCENDIS PHARMA A/S | 3.95% | $940.9M | 5,451,401 | $119.97 | $172.60 | +$86.9M |
M MSFT | MICROSOFT CORP | 3.67% | $874.2M | 1,757,424 | $196.35 | $497.41 | +$186.2M |
A AAPL | APPLE INC | 3.01% | $716.9M | 3,494,184 | $84.79 | $205.17 | -$38.6M |
A AMZN | AMAZON COM INC | 2.85% | $680.2M | 3,100,452 | $103.90 | $219.39 | +$21.4M |
Industry Allocation
Investment Team (13)
| Name | Role | Location | |
|---|---|---|---|
A Amanda Schoewe | Research Analyst | Denver, CO , United States | |
D Dee Silveira-Baptista | partner | Boston, MA , United States | |
E Ethan Meyers | Partner | Boston, MA , United States | |
J Joseph Kearney | Senior Security Analyst | Cambridge, MA , United States | |
 | Partner | Boston, MA , United States | |
K Kevin Shin | Analyst | Boston, MA , United States | |
 | Vice President, Product Management | Boston, MA , United States | |
M Michael Poe | Partner | Boston, MA , United States | |
 | Managing Partner - Director of Disruptive Technology Research at Westfield Capital Management | Boston, MA , United States | |
 | Partner, Co Portfolio Manager for Sustainable Growth Fund | Boston, MA , United States |