Westfield Capital Management

Asset Manager SEC-registered adviser

Legal name: Westfield Capital Management Company, L.P.

Boston, MA Website X

AUM

$29.8B
Regulatory AUM

Private funds

2
Other 1 · Hedge Fund 1

Private fund assets

$71.3M
Gross asset value

Employees

63

Last Form D raise

Jul 2026
Most recent fund filing

From SEC Form ADV filing (filed Jul 1, 2026). View on SEC

People(8)

Owners and executive officers named on the firm's SEC Form ADV.

J
Jenny Muller
Member of Management Committee, Wms Management
Source: SEC Form ADV
J
John Montgomery
Member of Management Committee, Wms Management
Source: SEC Form ADV
J
Justin Moscardelli
Member of Management Committee, Wms Management
Source: SEC Form ADV
K
Kathryn Kearney
Partner, Chief Financial Officer and Chief Compliance Officer
Source: SEC Form ADV
M
Matthew Renna
Member of Management Committee, Wms Management
Source: SEC Form ADV
R
Richard Lee
Member of Management Committee, Wms Management
Source: SEC Form ADV
R
Robert Flores
Member of Management Committee, Wms Management
Source: SEC Form ADV
W
William Muggia
Chief Executive Officer and Chief Investment Officer
Source: SEC Form ADV

Funds(2)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Westfield Select Growth Equity LPOther$37.4M$7.5M14Jul 2026Hot
Westfield Absolute Return Fund Limited PartnershipHedge Fund$33.9M$29.9M55Mar 2026Warm

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
146990
SEC file number
801-69413

Sources