Bank / Wealth / TrustRIA · CRD 148832SEC-Registered

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Oak Wealth Advisors

Oak Wealth Advisors is an SEC-registered investment adviser in Northbrook, IL, registered since 2017. The firm manages approximately $374 million in assets.

Oak Wealth Advisors logo

Oak Wealth Advisors

Oak Wealth Advisors is an SEC-registered investment adviser in Northbrook, IL, registered since 2017. The firm manages approximately $374 million in assets. It has 7 employees and 3 investment advisers.

General information

Firm type

Bank / Wealth / Trust

Year founded

2008

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Northbrook

Corporate office

Northbrook, IL, United States

Principals

Mike Walther

Founder & President

Sector focus

Wealth ManagementSpecial Needs Planning

Frequently asked questions

What is Oak Wealth Advisors' core investment philosophy?

The firm applies evidence-based portfolio construction using Dimensional Fund Advisors and Vanguard funds, tilting portfolios toward value, small-cap, and profitability factors. This passive-plus approach avoids market timing in favor of systematic rebalancing aligned to each family's long-duration care obligations.

How does the firm integrate government benefits planning with investment management?

Oak Wealth Advisors analyzes every client portfolio against Social Security, Medicaid, SSI, and ABLE account rules. The planning team models how distributions might affect means-tested benefits and structures special needs trusts to preserve eligibility while funding lifetime care gaps.

Is Oak Wealth Advisors a single-family office or a multi-family office?

It operates as a fee-only registered investment advisor, not a family office. The firm serves multiple households from a single advisory platform, but its narrow special needs focus and holistic planning model share characteristics with a boutique multi-family office.

Who runs investment decisions at Oak Wealth Advisors?

Founder Mike Walther leads the investment committee and sets the firm's strategic asset allocation. The firm relies on Dimensional Fund Advisors for underlying fund management rather than employing in-house portfolio managers.

Does Oak Wealth Advisors participate in fund commitments or direct deals?

No. The firm constructs portfolios using publicly available mutual funds and ETFs. It does not make direct private investments, sponsor funds, or participate in co-investment club deals.

What is the firm's known posture on alternative investments?

Oak Wealth Advisors historically allocates to alternatives through liquid, low-cost fund structures such as DFA's real estate and commodity-adjacent portfolios. The firm does not emphasize hedge fund or private equity commitments, favoring implementation simplicity for clients balancing medical and educational expense uncertainty.

How did Mike Walther's family experience shape the firm?

Walther's niece was born with special needs, exposing his family — including his siblings, who worked in financial services — to the gap between traditional wealth management and the trust-and-benefits architecture required for lifetime care. This experience became the firm's founding thesis in 2008 (per public record).

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