Wimmer Associates I provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, and publishing newsletters. Financial planning was provided to 1–10 clients last fiscal year.
Wimmer Associates I reports 143 clients. They include 112 high-net-worth individuals and 31 individual clients. Of its assets, 98.3% ($468M across 147 accounts) are managed with discretion; $8.17M across 4 accounts are not.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 22% | 4% |
| High-net-worth individuals | 78% | 93% |
| Charitable organizations | Fewer than 5 | 2% |
| Corporations and other businesses | Fewer than 5 | <1% |
| Other | Fewer than 5 | 2% |
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 |
|---|---|---|---|---|
| Individuals (other than HNW) | 31 | $17.1M | 3.6% | $552K |
| High-net-worth individuals | 112 | $440M | 92.5% | $3.93M |
| Charitable organizations | Fewer than 5 | $8.26M | 1.7% | — |
| Corporations and other businesses | Fewer than 5 | $2.04M | 0.4% | — |
| Other | Fewer than 5 | $8.17M | 1.7% | — |
| Total | 143 | $476M | 100% | — |
- Clients
- 31
- Regulatory AUM
- $17.1M
- AUM share
- 3.6%
- Avg. per client
- $552K
- Clients
- 112
- Regulatory AUM
- $440M
- AUM share
- 92.5%
- Avg. per client
- $3.93M
- Clients
- Fewer than 5
- Regulatory AUM
- $8.26M
- AUM share
- 1.7%
- Avg. per client
- —
- Clients
- Fewer than 5
- Regulatory AUM
- $2.04M
- AUM share
- 0.4%
- Avg. per client
- —
- Clients
- Fewer than 5
- Regulatory AUM
- $8.17M
- AUM share
- 1.7%
- Avg. per client
- —
Total
- Clients
- 143
- Regulatory AUM
- $476M
- 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
Wimmer Associates I is paid through a percentage of assets under management, hourly charges and fixed fees (other than subscription fees). The reviewed brochures do not disclose an asset-based fee rate. Read the SEC-filed brochure. The brochure also prices one other service, listed under fee details.
Fee details and sources
Other fees
- One-time projects
- One-time projects tied to the investment services are billed at $540 an hour and exclude ongoing monitoring, performance reporting or advice.
Katherine Wimmer owns 50% to 75% of Wimmer Associates I. The leadership team of Wimmer Associates I includes President Kathryn Kenney. It has 4 employees.
Leadership
- Kathryn KenneyVice President, Chief Compliance Officer
- Katherine WimmerPresident
- Warren WimmerMember
Investment adviser representatives
1 representatives listed in the SEC register as of 9 October 2026.
Staff
- 4 employees
- 4 in advisory functions
- Owns 50% to 75% of Wimmer Associates I, LLC
Katherine Wimmer
Control person · since January 2003
- Owns 25% to 50% of Wimmer Associates I, LLC
Warren Wimmer
Control person · since January 2003
Wimmer Associates I’s regulatory assets grew from $369M (April 2021) to $476M (April 2026); clients fell from 160 to 143 and employees were 4 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| April 2026 | $476M | 143 | 4 | 1 |
| April 2025 | $441M | 143 | 4 | 1 |
| March 2024 | $392M | 140 | 4 | 1 |
| March 2023 | $359M | 158 | 3 | 1 |
| March 2022 | $404M | 138 | 4 | 1 |
| April 2021 | $369M | 160 | 4 | 1 |
Besides its headquarters, Wimmer Associates I has 0 offices, with 1 listed address in California.
California · 1 listed address
- 155 North Lake Avenue, Suite 440, PasadenaHQ
Other business names
Wimmer Associates I has reported 1 other business name to the SEC.
- Wimmer Associates
Contact and registration details
- Legal name
- Wimmer Associates I, LLC
- Headquarters
- 155 North Lake Avenue, Suite 440, Pasadena, CA 91101-1848
- Website
- Not reported
- Phone
- 626-683-3150
- SEC file
- 801-62730
- Founded
- 2003
- Structure
- Delaware LLC
- Fiscal year end
- December
Wimmer Associates I uses Charles Schwab ($215M, 82%) and Fidelity ($45.7M, 18%) as custodians for its separately managed accounts. Wimmer Associates I does not have custody of client assets.
- Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $215M82%
- FidelityNational Financial Services LLC · Boston, MA · $45.7M18%
At year end, Wimmer Associates I’s separately managed accounts were mostly in stocks (52%) and bonds (27%).
What the accounts hold
- Stocks52%
- Funds13%
- Bonds27%
- U.S. government and agency bonds15%
- Investment grade corporate bonds11%
- State and local bonds1%
- Cash8%
How many clients does Wimmer Associates I have?
Wimmer Associates I has 143 clients and manages $476 million for them, as of April 2026. They include 112 high-net-worth individuals and 31 individual clients.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 27 April 2026
What services does Wimmer Associates I offer?
Wimmer Associates I provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, and publishing newsletters.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Wimmer Associates I use?
Wimmer Associates I’s separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $215M and National Financial Services LLC (Boston, MA), with $45.7M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 27 April 2026
How many financial advisors does Wimmer Associates I have?
Wimmer Associates I has 0 investment adviser representatives registered with state securities authorities, out of 4 employees, and 4 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 Wimmer Associates I invest in?
At the end of its last fiscal year, Wimmer Associates I’s separately managed accounts held 52% exchange-traded equities, 15% U.S. government and agency bonds, 13% registered funds (mutual funds, ETFs, BDCs), 11% investment grade corporate bonds, 8% cash and equivalents and 1% state and local bonds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Wimmer Associates I?
Wimmer Associates I’s direct owners are Warren Wimmer (25% to 50%) and Katherine Wimmer (50% to 75%).
Source: Form ADV Part 1A, Schedules A and B, filed 27 April 2026
How does Wimmer Associates I get paid?
Wimmer Associates I 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
Is Wimmer Associates I registered with the SEC?
Yes, Wimmer Associates I has been registered with the SEC as an investment adviser since 22 January 2004. Its CRD number is 125243 and its SEC file number is 801-62730.
Source: Form ADV Part 1A, Item 1, filed 27 April 2026; IAPD firm record
How do I contact Wimmer Associates I?
Wimmer Associates I’s main office is at 155 North Lake Avenue, Suite 440, Pasadena, CA 91101-1848. Its phone number is 626-683-3150.