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HARRINGTON INVESTMENTS, INC.
Legal name: HARRINGTON INVESTMENTS, INCORPORATED
CRD 110790File 801-17932
APPROVED
Retail clients
Custody
Filing as of Sep 22, 2026
Feed vintage Oct 1, 2026
Regulatory AUM
$374.7M
Below cohort median (national)
Discretionary AUM
$374.2M
Non-discretionary $546K
Clients
115
216 accounts
Employees
5
Below cohort median in CA
Identity & registration
ADV Item 1- Organization form
- Corporation
- Firm type
- Registered
- SEC region
- SFRO
- Registration date
- Nov 24, 1982
- Principal office
- 1001 SECOND STREET, SUITE 325, NAPA, CA, 94559-3030
- Phone
- 707-252-6166
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $374.7M
- Discretionary AUM
- $374.2M
- Non-discretionary AUM
- $546K
- Discretionary accounts
- 215
- Non-discretionary accounts
- 1
- Total accounts
- 216
- AUM per client
- $3.3M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Other | Fewer than 5 | $17.6M |
| Charitable organizations | 15 | $65.8M |
| High net worth individuals | 79 | $279.5M |
| Individuals (other than high net worth individuals) | 21 | $11.8M |
Compensation & activities
ADV Items 5E, 5GCompensation
- Hourly charges
- A percentage of assets under your management
Advisory activities
- Financial planning services
- Portfolio management for businesses
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- No
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To | Change |
|---|---|---|---|---|
| Dec 1, 2025 vs May 1, 2025 | Clients | 118 | 117 | decreased by1 |
| Dec 1, 2025 vs May 1, 2025 | AUM | $338,212,341 | $355,156,432 | increased by$16,944,091 |
| Dec 1, 2025 vs May 1, 2025 | Accounts | 225 | 219 | decreased by6 |
| May 1, 2025 vs Oct 1, 2022 | Clients | 124 | 118 | decreased by6 |
| May 1, 2025 vs Oct 1, 2022 | AUM | $297,734,956 | $338,212,341 | increased by$40,477,385 |
| Oct 1, 2022 | Clients | 118 | 124 | increased by6 |
| Oct 1, 2022 | AUM | $329,438,116 | $297,734,956 | decreased by$31,703,160 |
| Oct 1, 2022 | Accounts | 214 | 225 | increased by11 |
| Nov 1, 2021 | Employees | 4 | 5 | increased by1 |
| Oct 1, 2021 | Employees | 5 | 4 | decreased by1 |
| Oct 1, 2021 | Clients | 115 | 118 | increased by3 |
| Oct 1, 2021 | AUM | $276,548,584 | $329,438,116 | increased by$52,889,532 |
| Oct 1, 2021 | Accounts | 221 | 214 | decreased by7 |
| Apr 1, 2021 | Registration | — | APPROVED |
On Form 5500, an adviser usually appears as a plan service provider (Schedule C), not the plan sponsor.
See plans that list “HARRINGTON INVESTMENTS” as a service provider on 5500mcp →Matched by name only — Form ADV and Form 5500 share no identifier, and names are searched loosely (“HARRINGTON INVESTMENTS” may also match similarly-named firms). Confirm identity against each filing.
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.