Oak Associates provides portfolio management for individuals and small businesses, portfolio management for investment companies, and portfolio management for institutions.
Oak Associates reports 42 clients. They include 28 high-net-worth individuals, 13 charitable organizations and 1 investment company. Of its assets, 99.6% ($1.77B across 54 accounts) are managed with discretion; $7.3M across 2 accounts are not. A wrap fee program the firm both sponsors and manages holds $1.1M.
| Client type | Clients | Assets |
|---|---|---|
| High-net-worth individuals | 67% | 5% |
| Investment companies | 2% | 84% |
| Pension and profit-sharing plans | Fewer than 5 | 2% |
| Charitable organizations | 31% | 6% |
| Other investment advisers | Fewer than 5 | 3% |
| Other client typesCorporations and other businesses; Other | Not reported | <1% |
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| High-net-worth individuals | 28 | $84.6M | 4.8% | $3.02M |
| Investment companies | 1 | $1.49B | 84.1% | $1.49B |
| Pension and profit-sharing plans | Fewer than 5 | $42.6M | 2.4% | — |
| Charitable organizations | 13 | $101M | 5.7% | $7.75M |
| Other investment advisers | Fewer than 5 | $52.7M | 3.0% | — |
| Corporations and other businesses | Fewer than 5 | $500K | 0.0% | — |
| Other | Fewer than 5 | $1.1M | 0.1% | — |
| Total | 42 | $1.78B | 100% | — |
- Clients
- 28
- Regulatory AUM
- $84.6M
- AUM share
- 4.8%
- Avg. per client
- $3.02M
- Clients
- 1
- Regulatory AUM
- $1.49B
- AUM share
- 84.1%
- Avg. per client
- $1.49B
- Clients
- Fewer than 5
- Regulatory AUM
- $42.6M
- AUM share
- 2.4%
- Avg. per client
- —
- Clients
- 13
- Regulatory AUM
- $101M
- AUM share
- 5.7%
- Avg. per client
- $7.75M
- Clients
- Fewer than 5
- Regulatory AUM
- $52.7M
- AUM share
- 3.0%
- Avg. per client
- —
- Clients
- Fewer than 5
- Regulatory AUM
- $500K
- AUM share
- 0.0%
- Avg. per client
- —
- Clients
- Fewer than 5
- Regulatory AUM
- $1.1M
- AUM share
- 0.1%
- Avg. per client
- —
Total
- Clients
- 42
- Regulatory AUM
- $1.78B
- 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
Oak Associates is paid through a percentage of assets under management; its fees and minimums are set out in its brochures on the SEC website.
Robert Stimpson owns 50% to 75% of Oak Associates. The leadership team of Oak Associates includes President Margaret Ballinger and Chief Investment Officer Robert Stimpson. It has 8 employees, 3 of them in advisory roles.
Staff
- 8 employees
- 3 in advisory functions
- 1 state-registered rep
- Owns 50% to 75% of Oak Associates LTD
Robert Stimpson
Control person · since January 2019
- Owns 25% to 50% of Oak Associates LTD
Margaret Ballinger
Control person · since January 1996
Oak Associates’ regulatory assets went from $1.8B (March 2021) to $1.78B (March 2026); clients fell from 85 to 42 and employees from 11 to 8.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Mar 2026March 2026 | $1.78B | 42 | 8 | 1 |
| Mar 2025March 2025 | $1.67B | 46 | 8 | 1 |
| Mar 2024March 2024 | $1.5B | 46 | 9 | 1 |
| Mar 2023March 2023 | $1.34B | 70 | 9 | 1 |
| Mar 2022March 2022 | $2.07B | 79 | 10 | 1 |
| Mar 2021March 2021 | $1.8B | 85 | 11 | 1 |
Besides its headquarters, Oak Associates has 0 offices, with 1 listed address in 1 state.
Ohio · 1 listed address
- 3800 Embassy Parkway, Suite 31o, AkronHQ
Contact and registration details
- Legal name
- Oak Associates LTD
- Headquarters
- 3800 Embassy Parkway, Suite 31o, Akron, OH 44333
- Website
- oakfunds.com
- Phone
- 330-668-1234
- @oak-associates-ltd-
- SEC file
- 801-23632
- Structure
- Ohio LLC
- Fiscal year end
- December
Oak Associates’ named custodians for separately managed accounts include UBS Financial Services ($84.6M, 34%), PNC Bank National Association ($67.6M, 27%) and The Bank of New York Mellon ($64.1M, 26%). Oak Associates does not have custody of client assets.
- UBS Financial ServicesUBS Financial Services Inc. · Weehawken, NJ · $84.6M34%
- The Bank of New York MellonThe Bank of New York Mellon · New York, NY · $64.1M26%
- PNC Bank National AssociationPNC Bank National Association · Pittsburgh, PA · $67.6M27%
- Charles SchwabCharles Schwab Corporation · Westlake, TX · $33.5M13%
At year end, Oak Associates’ separately managed accounts were mostly in stocks (98%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.79B across 139 positions; the largest are KLA Corporation (10.0%), Amazon.com Inc.. (6.9%) and Alphabet Inc.. Class C (6.6%).
What the accounts hold
- Stocks98%
- Cash2%
How many clients does Oak Associates have?
Oak Associates has 42 clients and manages $1.78 billion for them, as of March 2026. They include 28 high-net-worth individuals, 13 charitable organizations and 1 investment company.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 6 March 2026
What services does Oak Associates offer?
Oak Associates provides portfolio management for individuals and small businesses, portfolio management for investment companies, and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Oak Associates use?
Oak Associates’ separately managed account assets are held at UBS Financial Services Inc. (Weehawken, NJ), with $84.6M, PNC Bank National Association (Pittsburgh, PA), with $67.6M, The Bank of New York Mellon (New York, NY), with $64.1M and Charles Schwab Corporation (Westlake, TX), with $33.5M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 6 March 2026
How many financial advisors does Oak Associates have?
Oak Associates has 1 investment adviser representative registered with state securities authorities, out of 8 employees, and 3 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 Associates invest in?
At the end of its last fiscal year, Oak Associates’ separately managed accounts held 98% exchange-traded equities and 2% 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 Associates?
Oak Associates’ direct owners are Margaret Ballinger (25% to 50%) and Robert Stimpson (50% to 75%).
Source: Form ADV Part 1A, Schedules A and B, filed 6 March 2026
How does Oak Associates get paid?
Oak Associates is paid through a percentage of assets under management. 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 Associates?
Oak Associates’ main office is at 3800 Embassy Parkway, Suite 31o, Akron, OH 44333. Its phone number is 330-668-1234. Its website is oakfunds.com.