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O'brien Investment Management, LLC

SEC Registered

Welcome To O'Brien Investment Management

Torrance, CAhttps://obrienim.com310-363-2360
Assets Under Management
$100M–$500M
Employees
3
Office Locations
1 office
Total Accounts
334

About the firm

O'Brien Investment Management is an independent, registered investment advisory firm. For over 30 years, the firm has developed client relationships while adhering to a fiduciary standard, and is managed by Michael D. O'Brien, CFA, his son and partner Jack O'Brien, and colleague Sandra Wright.

Firm Focus

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

High Net Worth

Areas of expertise

Investment ManagementWealth ManagementPersonalized PortfoliosIndividual Stocks And BondsTax PreparationEstate PlanningInsurance CoverageRegistered Investment AdviserFiduciary

Services

Investment management through personalized portfolios using individual stocks and bonds, and wealth management integrating investment management, tax preparation, estate planning, and insurance coverage through collaboration with a team of independent experts.

Who they serve

Individual clients with unique objectives, existing investments, and preferences on how they would like to achieve their financial goals.

Client segmentClientsAssets managed
Individuals (Non-HNW)69$11M
High Net Worth Individuals96$238M
Charitable Organizations2$4.9M

Leadership

Michael Dennis Obrien
PRESIDENT, CHIEF COMPLIANCE OFFICER

Office locations

1 office in 1 state
CA
TorranceHQ

Advisors at this firm

2 advisors in the directory

Regulatory & compliance

CRD number
#284057
SEC Number
801-118289
Disciplinary History
No
Fee Model & Minimums
Model: AUM
Asset tierAnnual rate
First $1,000,0001.00%
Next $2,000,000 (up to $3,000,000)0.90%
Next $2,000,000 (up to $5,000,000)0.75%
Next $5,000,000 (up to $10,000,000)0.60%
Assets above $10,000,0000.50%

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

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. O'brien Investment Management, LLC 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.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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