Best Investors Account Sign in
Current Employers
Mfs Institutional Advisors Inc.

111 Huntington Avenue, Boston, MA 02199-7618 • United States

Current Registrations

AuthorityCategoryStatusDate
MA RA APPROVED 2026-04-10
  • MA RA
    APPROVED
    Since 2026-04-10

Branch Locations

Boston, MA • United States

111 Huntington Avenue, Boston, MA 02199-7618 • United States

Disclosures

No disclosure categories reported as “Yes” on this SEC record.

  • Regulatory action No
  • Criminal No
  • Bankruptcy No
  • Civil judicial No
  • Bond No
  • Judgment / lien No
  • Investigation No
  • Customer complaint No
  • Termination No
Employment History
OrganizationCityStateFromTo
Fidelity Investments Boston MA 06/2017 08/2017
Amundi Pioneer Asset Management Boston MA 07/2018 10/2018
Amundi Pioneer Asset Management Boston MA 10/2018 05/2022
Dickinson College Carlisle PA 08/2016 05/2017
Dickinson College Carlisle PA 08/2017 05/2018
Putnam Investments/Putnam Retail Management Boston MA 05/2022 01/2024
Mfs Fund Distributors, Inc. Boston MA 03/2026 Present
Franklin Templeton Boston MA 01/2024 02/2026
  • 06/2017 → 08/2017
    Fidelity Investments
    Boston, MA
  • 07/2018 → 10/2018
    Amundi Pioneer Asset Management
    Boston, MA
  • 10/2018 → 05/2022
    Amundi Pioneer Asset Management
    Boston, MA
  • 08/2016 → 05/2017
    Dickinson College
    Carlisle, PA
  • 08/2017 → 05/2018
    Dickinson College
    Carlisle, PA
  • 05/2022 → 01/2024
    Putnam Investments/Putnam Retail Management
    Boston, MA
  • 03/2026 → Present
    Mfs Fund Distributors, Inc.
    Boston, MA
  • 01/2024 → 02/2026
    Franklin Templeton
    Boston, MA
Previous Registrations
  • 2022-05-25 → 2024-05-28
    Boston, MA
  • 2021-01-04 → 2022-05-06
    Amundi Asset Management Us, Inc.
    Boston, MA
  • 2020-06-09 → 2020-12-31
    Amundi Pioneer Institutional Asset Management, Inc.
    Boston, MA
Exams
CodeExamDate
S66 Uniform Combined State Law Examination 2020-06-03
S63 Uniform Securities Agent State Law Examination 2019-06-28
  • S66 Uniform Combined State Law Examination
    2020-06-03
  • S63 Uniform Securities Agent State Law Examination
    2019-06-28
Other Names
  • William Arthur Oneil
  • Billy O'NEil
  • William Arthur O'NEil

View on SEC IAPD

More in Boston, MA

Reviews

Want to share your experience?

Sign in to leave a review
Loading reviews...

Reach out to this advisor