Sofia L. Massie

LIONSHARES LLC

BROOKLYN, NY 11205

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CRD#: 7392002

Professional summary

Sofia Leon Massie, who also goes by Sofia Eva Leon, is a registered financial advisor currently at LIONSHARES LLC located in Brooklyn, New York.

Sofia is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2022. Sofia has worked at 3 firms and has passed the Series 65, Series 57TO, Series 7TO and SIE exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Sofia Eva Leon

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 Sofia Leon Massie's 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

August 15, 2025 - Present

LIONSHARES LLC

Office #1: 1 Dock 72 Way, Floor 7, Brooklyn, NY 11205

RIA

CRD#: 335459

BROOKLYN, NY

Past

September 16, 2022 - February 3, 2025

JANE STREET OPTIONS, LLC

CRD#: 134159

New York, NY

Past

September 16, 2022 - February 3, 2025

JANE STREET CAPITAL, LLC

CRD#: 103782

New York, NY

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".

LIONSHARES LLC

CRD#: 335459 / SEC#: 801-133836

RIA

Registered Investment Advisory firm - (7/7/2025 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

New York
(8/15/2025)

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: 1/30/2025

Uniform Investment Adviser Law Examination

General Industry/Product Exam

Series 57TO

Date: 9/30/2022

Securities Trader Exam

General Industry/Product Exam

Series 7TO

Date: 9/16/2022

General Securities Representative Examination

General Industry/Product Exam

SIE

Date: 8/25/2022

Securities Industry Essentials Examination

Current Firm

LIONSHARES LLC

CRD#: 335459 / SEC#: 801-133836

RIA

Registered Investment Advisory firm - (7/7/2025 Approved)

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Contact information

Main Address

1 Dock 72 Way, Floor 7, Brooklyn, NY 11205

Mailing Address

Phone number

(917) 267-9033

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (1 States and Territories)

Documents

Latest Form ADV

Regulatory assets under management

Total Number of Accounts	1
AUM (Assets Under Management)	$ 5,800,000

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

Sofia L. Massie

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Sofia Leon Massie's CRS (Customer Relationship Summary).

Certified licenses

Experience

LIONSHARES LLC

JANE STREET OPTIONS, LLC

JANE STREET CAPITAL, LLC

Primary Firm SEC Registration

LIONSHARES LLC

State Registrations and Notice Filings

Exams

Series 65

Date: 1/30/2025

Series 57TO

Date: 9/30/2022

Series 7TO

Date: 9/16/2022

SIE

Date: 8/25/2022

Current Firm

LIONSHARES LLC

Contact information

SEC notice filing (1 States and Territories)

Documents

Regulatory assets under management

Red Flags

Company Information

LIONSHARES LLC

TRUST BUT VERIFY

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