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Harrington Investments, Inc.
Filed as HARRINGTON INVESTMENTS, INC. · Legal name Harrington Investments, Incorporated
Harrington Investments, Inc. is an SEC-registered investment advisory firm in Napa, CA, registered since 1982, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated September 22, 2026.
Quick answers
From the filingHow is Harrington Investments, Inc. compensated?
On its Form ADV (Item 5.E, October 2026), Harrington Investments, Inc. reports these compensation arrangements: a percentage of assets under its management; hourly charges.
Where is Harrington Investments, Inc. located?
Harrington Investments, Inc.'s principal office is in Napa, CA, according to its Form ADV.
Is Harrington Investments, Inc. registered with the SEC or a state?
Harrington Investments, Inc. is an SEC-registered investment advisory firm, registered since 1982. Status as filed: Approved. CRD 110790.
How much does Harrington Investments, Inc. manage?
Harrington Investments, Inc. reports $374,744,371 in regulatory assets under management in its Form ADV filing dated September 22, 2026 (100% discretionary).
How have Harrington Investments, Inc.'s assets and staff changed since 2021?
In the Form ADV data for Harrington Investments, Inc.: Regulatory assets under management: $329,438,116 in the October 2021 data and $374,744,371 in the October 2026 data, up 14%. Total employees: 4 in October 2021 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Harrington Investments, Inc. serve?
By number of clients on Form ADV Item 5.D: high net worth individuals (79); individuals (other than high net worth individuals) (21); charitable organizations (15).
Which custodians does Harrington Investments, Inc. use?
Harrington Investments, Inc.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. as a custodian holding 10% or more of its separately managed account assets.
Does Harrington Investments, Inc. report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/110790
Does Harrington Investments, Inc. state an account minimum?
Its Form ADV Part 2A brochure dated September 24, 2025 says: "We generally require new clients to have a minimum investment portfolio of $1 million to open an account. We, in our discretion, reserve the right to waive this minimum."
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Hourly charges
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AThe brochure lists different fees for different services or strategies; see the brochure for them.
Account minimum: $1,000,000 (the brochure says it may be waived or negotiated)
The brochure's wording
We generally require new clients to have a minimum investment portfolio of $1 million to open an account. We, in our discretion, reserve the right to waive this minimum.
As stated in the firm's Form ADV Part 2A brochure dated September 24, 2025. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site
Regulatory assets under management
Item 5.F$374,744,371 as of October 2026, filing dated September 22, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for businesses (other than small businesses) or institutional clients
Registration and firm details
Items 1, 2, 5- Legal name
- Harrington Investments, Incorporated
- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 1982 (43 years)
- Employees
- Total: 5. Performing investment advisory functions: 3.
- Wrap fee program participation
- No.
- Custodians (Schedule D, Section 5.K(3))
-
Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.
- States registered or notice-filed
-
1 state or jurisdiction
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $374,744,371 | 5 | September 22, 2026 |
| October 2025 | $338,212,341 | 5 | September 25, 2024 |
| October 2024 | $338,212,341 | 5 | September 25, 2024 |
| October 2023 | $316,746,295 | 5 | September 27, 2023 |
| October 2022 | $297,734,956 | 5 | September 21, 2022 |
| October 2021 | $329,438,116 | 4 | September 23, 2021 |
Regulatory assets under management: $329,438,116 in the October 2021 data and $374,744,371 in the October 2026 data, up 14%.
Total employees: 4 in October 2021 and 5 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 monthsNo changes to these filed facts in the last 12 months of filing data.
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Harrington Investments, Inc. (CRD 110790): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/harrington-investments-inc-napa-ca-110790