HARRINGTON INVESTMENTS INC
Q3 2026 Form 13-F
NAPA, CALIFORNIA
CIK 0001386364
· CRD 110790
· SEC-registered investment adviser
$209.2M Reported Value Total
HARRINGTON INVESTMENTS, INC. reports 216 total accounts under management (AUM). There are 215 discretionary accounts valued at $374,198,259, and 1 non-discretionary accounts valued at $546,112.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-09-22
Reported value
$209.2M
Quarter over quarter
+2.5%
Holdings
80
Top-10 concentration
41.5%
Key People
Form ADV owners & control persons
Diana Lynn Harrington
VICE PRESIDENT
John Charles Harrington
PRESIDENT / CEO
Jeffrey Earl Field
CHIEF COMPLIANCE OFFICER
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Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
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Q3 2026 13F record
Q3 2026 13F filing summary
| Period of report | September 30, 2026 |
|---|---|
| Filed | October 14, 2026 |
| Form | 13F-HR |
| Reported value | $209.2M |
| Positions | 80 |
| Change in reported value | +1.3% |
| New positions | 2 |
| Exited positions | 4 |
| Position turnover | 7.1% |
| Top-10 concentration | 41.5% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Oct 14, 2026
|
80 | $209.2M |
|
Q2 2026 13F
Filed Jul 23, 2026
|
82 | $206.5M |
|
Q1 2026 13F
Filed Apr 13, 2026
|
84 | $190.0M |
|
Q4 2025 13F
Filed Jan 13, 2026
|
84 | $199.1M |
|
Q3 2025 13F
Filed Oct 20, 2025
|
85 | $200.3M |
|
Q2 2025 13F
Filed Jul 14, 2025
|
83 | $189.0M |
|
Q1 2025 13F
Filed Apr 11, 2025
|
82 | $175.9M |
|
Q4 2024 13F
Filed Feb 10, 2025
|
81 | $181.9M |
|
Q3 2024 13F
Filed Oct 11, 2024
|
81 | $183.3M |
|
Q2 2024 13F
Filed Aug 6, 2024
|
81 | $176.3M |
|
Q1 2024 13F
Filed Apr 26, 2024
|
82 | $174.8M |
|
Q4 2023 13F
Filed Jan 17, 2024
|
81 | $161.4M |
|
Q3 2023 13F
Filed Oct 19, 2023
|
75 | $145.3M |
|
Q2 2023 13F
Filed Jul 20, 2023
|
79 | $152.5M |
|
Q1 2023 13F
Filed Apr 28, 2023
|
79 | $144.9M |
|
Q4 2022 13F
Filed Jan 11, 2023
|
78 | $138.3M |
|
Q3 2022 13F
Filed Oct 19, 2022
|
74 | $128.6M |
|
Q2 2022 13F
Filed Jul 22, 2022
|
78 | $134.5M |
|
Q1 2022 13F
Filed Apr 26, 2022
|
81 | $167.0M |
|
Q4 2021 13F
Filed Jan 21, 2022
|
84 | $185.9M |
17 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q3 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | AAPL APPLE INC | $19.0M | 9.07% |
| 2 | MSFT MICROSOFT CORP | $13.5M | 6.43% |
| 3 | GOOGL ALPHABET INC | $9.6M | 4.57% |
| 4 | INTC INTEL CORP | $8.2M | 3.91% |
| 5 | GOOG ALPHABET INC | $8.2M | 3.9% |
| 6 | TMO THERMO FISHER SCIENTIFIC INC | $6.3M | 3.03% |
| 7 | AMZN AMAZON COM INC | $6.1M | 2.92% |
| 8 | AMD ADVANCED MICRO DEVICES INC | $6.0M | 2.86% |
| 9 | SCHW CHARLES SCHWAB CORP (THE) | $5.4M | 2.56% |
| 10 | ORCL ORACLE CORP | $4.8M | 2.29% |
| 11 | COST COSTCO WHOLESALE CORPORATION | $4.6M | 2.18% |
| 12 | NFLX NETFLIX INC. | $4.6M | 2.18% |
| 13 | QCOM QUALCOMM INC | $4.3M | 2.06% |
| 14 | AMGN AMGEN INC | $4.3M | 2.05% |
| 15 | SCHO SCHWAB STRATEGIC TR | $4.2M | 2.03% |
| 16 | MRSH MARSH & MCLENNAN COS INC | $4.1M | 1.96% |
| 17 | AMAL AMALGAMATED FINANCIAL CORP | $3.8M | 1.8% |
| 18 | TJX TJX COS INC NEW | $3.8M | 1.8% |
| 19 | NVDA NVIDIA CORPORATION | $3.6M | 1.71% |
| 20 | ASML ASML HLDG NV | $3.6M | 1.71% |
Values as reported on the Q3 2026 Form 13F. Every position is in the holdings table below.