William A. Muggia

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

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CRD#: 1282700

Professional summary

William Albert Muggia is a registered financial advisor currently at WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P. .

William is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1984. William has worked at 5 firms and has passed the Series 65, Series 63, Series 2 and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

None

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view William Albert Muggia's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

July 9, 2008 - Present

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

RIA

CRD#: 146990

Past

June 1, 2006 - June 30, 2008

WESTFIELD CAPITAL MANAGEMENT COMPANY, LLC

RIA

CRD#: 105212

BOSTON, MA

Past

July 17, 1992 - May 31, 1994

ALEX. BROWN & SONS INCORPORATED

CRD#: 20

Past

August 1, 1991 - July 27, 1992

GRAHAM, HAMILTON & COMPANY, INC.

CRD#: 23410

Past

July 26, 1984 - July 26, 1990

KIDDER, PEABODY & CO. INCORPORATED

CRD#: 7613

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

CRD#: 146990 / SEC#: 801-69413

RIA

Registered Investment Advisory firm - (6/30/2008 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR

means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR

Texas
(7/9/2008)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

State Security Law Exam

IAR

Series 65

Date: 12/7/1994

Uniform Investment Adviser Law Examination

State Security Law Exam

Series 63

Date: 7/27/1984

Uniform Securities Agent State Law Examination

General Industry/Product Exam

Series 2

Date: 11/9/1994

Non-Member General Securities Examination

General Industry/Product Exam

Series 7

Date: 7/21/1984

General Securities Representative Examination

Current Firm

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

CRD#: 146990 / SEC#: 801-69413

RIA

Registered Investment Advisory firm - (6/30/2008 Approved)

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Contact information

Main Address

One Financial Center, Boston, MA 02111

Mailing Address

Phone number

(617) 428-7100

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P. ADV PART 2A (4/30/2025)

Regulatory assets under management

Total Number of Accounts	975
AUM (Assets Under Management)	$ 23,551,448,142

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

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Firm Stability Insights

William A. Muggia

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view William Albert Muggia's CRS (Customer Relationship Summary).

Certified licenses

Experience

WESTFIELD CAPITAL MANAGEMENT COMPANY, LLC

ALEX. BROWN & SONS INCORPORATED

GRAHAM, HAMILTON & COMPANY, INC.

KIDDER, PEABODY & CO. INCORPORATED

Primary Firm SEC Registration

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

State Registrations and Notice Filings

Exams

Series 65

Date: 12/7/1994

Series 63

Date: 7/27/1984

Series 2

Date: 11/9/1994

Series 7

Date: 7/21/1984

Current Firm

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

Contact information

SEC notice filing (53 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P.

TRUST BUT VERIFY

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