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Oak Advisors

Wealth managementRIA

Bluffton, SCCRD 137192Updated

Oak Advisors is an investment adviser based in Bluffton, SC, registered with the SEC since 2005. It provides financial planning and investment management. Its clients include high-net-worth individuals, individual clients and charitable organizations. Its regulatory assets under management total $285 million, as filed on 14 February 2026.

163
Clients
$1.74M
AUM per individual client
6
Advisory staff
1
Offices
1.00–1.50%
Annual fee

From Form ADV filed 14 February 2026SEC record

Services and clients

Oak Advisors provides financial planning, portfolio management for individuals and small businesses, pension consulting, selecting other managers, estate planning, insurance, and tax planning. Financial planning was provided to 1–10 clients last fiscal year.

Oak Advisors reports 163 clients. They include 94 individual clients and 69 high-net-worth individuals. Of its assets, 100.0% ($285M across 523 accounts) are managed with discretion.

Clients and assets by client type
Clients163 clients reported
Assets$285M
Share of clients and assets by client type
Client typeClientsAssets
Individuals (other than HNW)58%13%
High-net-worth individuals42%87%
Charitable organizationsFewer than 5<1%

Client shares use reported counts. Client types without a reported count are excluded from that total.

Client breakdown and activity details
Individuals (other than HNW)
Clients
94
Regulatory AUM
$37.5M
AUM share
13.2%
Avg. per client
$399K
High-net-worth individuals
Clients
69
Regulatory AUM
$247M
AUM share
86.7%
Avg. per client
$3.58M
Charitable organizations
Clients
Fewer than 5
Regulatory AUM
$423K
AUM share
0.1%
Avg. per client
—

Total

Clients
163
Regulatory AUM
$285M
AUM share
100%
Avg. per client
—
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
0
Private funds advised
0
Financial planning clients last fiscal year
1–10

Fees and minimums

Oak Advisors charges 1.00%–1.50% a year for its Investment Advisory Services. The fee is billed in advance and is negotiable. The brochure also prices one other service, listed under fee details.

Fee details and sources

Other fees

Stand-alone Financial Planning and Consulting
Stand-alone financial planning and consulting is negotiable, generally $1,000 to $10,000 as a fixed fee or $200 to $350 an hour.

Ownership and people

Michelle Myhre owns 50% to 75% of Oak Advisors. The leadership team of Oak Advisors includes Chief Compliance Officer John Chiacchiero. It has 6 employees.

Leadership

  • John Chiacchiero
    Chief Compliance Officer (CCO) and Managing Member
  • Michelle Myhre
    Managing Member

Investment adviser representatives

6 representatives listed in the SEC register as of 9 October 2026.

  • Alfred Anthony Cerrati
  • John Charles Chiacchiero
  • Sarah Huie
  • Kevin Anthony Myhre
  • Michelle Ann Myhre
  • Heidi Obenauer Yoshida

Staff

  • 6 employees
  • 6 in advisory functions
  • 6 state-registered reps
Who owns the firm
Oak Advisors, LLC· the adviser
  • Michelle Myhre

    Control person · since September 2005

    Owns 50% to 75% of Oak Advisors, LLC
  • John Chiacchiero

    Control person · since September 2005

    Owns 50% to 75% of Oak Advisors, LLC

Growth and acquisitions

Oak Advisors’ regulatory assets grew 1.6× from $184M (February 2021) to $285M (February 2026); clients rose from 147 to 163 and employees fell from 8 to 6.

By annual filing
Measure
Figures from each annual filing
Oak Advisors figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
February 2026$285M16361
March 2025$242M19661
January 2024$210M16871
February 2023$182M15981
February 2022$208M14791
February 2021$184M14781

Offices and registration details

Besides its headquarters, Oak Advisors has 0 offices, with 1 listed address in South Carolina.

Listed office addresses in South Carolina
Bluffton

South Carolina · 1 listed address

  • 3 Clark Summit Drive, Suite 201, BlufftonHQ

Contact and registration details

Legal name
Oak Advisors, LLC
Headquarters
3 Clark Summit Drive, Suite 201, Bluffton, SC 29910
SEC file
801-64842
Founded
2005
Structure
South Carolina LLC
Fiscal year end
December

Custodians

Oak Advisors uses Charles Schwab ($285M) as custodian for its separately managed accounts. Oak Advisors does not have custody of client assets.

Reported separately managed account assets by custodian
$285M
named custodians
  • Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $285M100%

Investments and reported holdings

At year end, Oak Advisors’ separately managed accounts were mostly in funds (72%) and stocks (22%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks22%
  • Funds72%
  • Cash6%

Common questions

How many clients does Oak Advisors have?

Oak Advisors has 163 clients and manages $285 million for them, as of February 2026. They include 94 individual clients and 69 high-net-worth individuals.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 14 February 2026

What services does Oak Advisors offer?

Oak Advisors provides financial planning, portfolio management for individuals and small businesses, pension consulting, selecting other managers, estate planning, insurance, and tax planning.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4

How much does Oak Advisors charge?

Oak Advisors charges 1.00%–1.50% a year for its Investment Advisory Services. The fee is billed in advance and is negotiable.

Source: ADV PART 2A, filed 4 February 2026

Which custodians does Oak Advisors use?

Oak Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $285M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 14 February 2026

How many financial advisors does Oak Advisors have?

Oak Advisors has 6 investment adviser representatives registered with state securities authorities, out of 6 employees, and 6 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Oak Advisors invest in?

At the end of its last fiscal year, Oak Advisors’ separately managed accounts held 72% pooled vehicles (private funds and similar), 22% exchange-traded equities and 6% cash and equivalents.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Oak Advisors?

Oak Advisors’ direct owners are Michelle Myhre (50% to 75%) and John Chiacchiero (50% to 75%).

Source: Form ADV Part 1A, Schedules A and B, filed 14 February 2026

How does Oak Advisors get paid?

Oak Advisors is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

How do I contact Oak Advisors?

Oak Advisors’ main office is at 3 Clark Summit Drive, Suite 201, Bluffton, SC 29910. Its phone number is 843-757-9339. Its website is oakadvisors.net.

Source: Form ADV Part 1A, Item 1.F, filed 14 February 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 14 February 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. ADV PART 2A, submitted 4 February 2026.
  3. IAPD firm record, CRD 137192.
  4. SEC registered adviser data, annual Form ADV amendments filed 25 February 2021 to 14 February 2026. Items 1.F and 5.
  5. SEC investment adviser representative register, as of 9 October 2026; loaded 10 October 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one.

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