AdFi
M

MARINER

SEC Registered

Empowering advisors and clients with personalized and customized portfolio management.

OVERLAND Park,, KShttps://mmas.mariner.com9139045700
Assets Under Management
$1B–$5B
Employees
13
Office Locations
2 offices
Total Accounts
6147

About the firm

Baystate Wealth Management, now Mariner, is a federally registered investment advisor that acts as a fiduciary to advisors and clients. The firm's experienced team has been building investment portfolios for high-net-worth clients since 2010, collaborating with advisors to develop personalized and customized portfolios.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

High Net WorthPension/Profit Sharing

Areas of expertise

Customized PortfoliosAsset AllocationRisk ManagementFiduciaryWealth ManagementHigh-net-worthInvestment Advisory

Services

Customized portfolio management, asset allocation, risk management, and advisor/client communication and support.

Who they serve

High-net-worth clients and their advisors.

Client segmentClientsAssets managed
Individuals (Non-HNW)3,491$2.3B
High Net Worth Individuals46$424M

0 total clients reported on Form ADV.

Leadership

Thomas Neal O'connor
PRESIDENT / CHIEF COMPLIANCE OFFICER
David Craig Porter
CHAIRMAN

Office locations

2 offices in 2 states
KS
OVERLAND Park,HQ
MA
BOSTON

Advisors at this firm

7 advisors in the directory

Regulatory & compliance

CRD number
#151664
SEC Number
801-71691
Disciplinary History
No
Fee Model & Minimums
Model: AUM

Data as of March 26, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

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Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. MARINER has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

MARINER in OVERLAND Park,, KS | AdvisorFinder