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RIA / WealthAdvisordual registered (broker-dealer)36 years in industry

MARY BETH MASSILLON

Advisor at LOOMIS, SAYLES & COMPANY, L.P.

BOSTON, MA

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Search this name across graphsid dfx:ria:7f99efb3-d8bf-05d6-506e-80c5e606df23

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 6:22 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 1
On other graphs: 0
Observed: Jan 6, 2006 to Sep 14, 2026

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current firm: LOOMIS, SAYLES & COMPANY, L.P.
Current firm class: other adviserderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Jul 1, 1990earliest registration or exam on IAPD
Years in industry: 36derivedfrom the industry start date
Years at current firm: 2derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Exams: S66
First exam: Jul 15, 2002
First registration: Jan 6, 2006
Dual registered: yes, broker-dealer
Other names: MARY BETH SCHULTZ|MARYBETH MASSILLON|MARY BETH MASSILLON
IAPD individual key: 4125319

Registration history

registration spans on IAPD; the basis says whether the span is a current registration or a prior employment record

Firm	Class	Began	Ended	Current	Branch	Basis
LOOMIS, SAYLES & COMPANY, L.P.	Other adviser	Oct 26, 2023	n/a	yes	BOSTON, MA	Current employment
JOHN HANCOCK INVESTMENT MANAGEMENT LLC	Asset manager	Nov 8, 2018	Sep 5, 2023	no	BOSTON, MA\|BOSTON, MA	Previous registration
MANULIFE INVESTMENT MANAGEMENT (US) LLC	Asset manager	Jun 21, 2013	Nov 8, 2018	no	BOSTON, MA	Previous registration
JOHN HANCOCK DISTRIBUTORS LLC	n/a	Jan 6, 2006	Dec 31, 2006	no	BOSTON, MA\|BOSTON, MA\|BOSTON, MA\|BOSTON, MA\|BOSTON, MA	Previous registration

Moves

a move is two registration dates; a bulk corporate re-registration is typed BULK_TRANSFER and is not a move

From	To	Left	Joined	Gap, days	Kind	Move type
JOHN HANCOCK INVESTMENT MANAGEMENT LLC	LOOMIS, SAYLES & COMPANY, L.P.	Sep 5, 2023	Oct 26, 2023	51	Firm change	Other
MANULIFE INVESTMENT MANAGEMENT (US) LLC	JOHN HANCOCK INVESTMENT MANAGEMENT LLC	Nov 8, 2018	Nov 8, 2018	0	Bulk transfer	Other
JOHN HANCOCK DISTRIBUTORS LLC	MANULIFE INVESTMENT MANAGEMENT (US) LLC	Dec 31, 2006	Jun 21, 2013	2,364	Firm change after gap	Other

Relationships

Registered with (4)

→ LOOMIS, SAYLES & COMPANY, L.P.Registered adviserregistration: current employment
Oct 26, 2023 to presentfactForm ADV
→ JOHN HANCOCK INVESTMENT MANAGEMENT LLCRegistered adviserregistration: previous registration
Nov 8, 2018 to Sep 5, 2023factForm ADV
→ MANULIFE INVESTMENT MANAGEMENT (US) LLCRegistered adviserregistration: previous registration
Jun 21, 2013 to Nov 8, 2018factForm ADV
→ JOHN HANCOCK DISTRIBUTORS LLCRegistered adviserregistration: previous registration
Jan 6, 2006 to Dec 31, 2006factForm ADV

Dated events

Occurred
Sep 5, 2023
Advisor changed firm
Mary Beth Massillon left John Hancock Investment Management Llc for Loomis, Sayles & Company, L.P. (registered 2023-10-26)
Form ADVobserved 5 days ago