Harrington Investments, INC FSLR — FIRST SOLAR COM

Ownership history in Harrington Investments, INC  ·  42 quarters on record

AI Ownership Summary

Harrington Investments, INC reported FIRST SOLAR COM (FSLR) in 42 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.86% in 2024 Q3. The latest visible filing shows FSLR at 1.28% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this FSLR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Harrington Investments, INC's position in FIRST SOLAR COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

FSLR was reported at 1.28% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.86% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

FSLR stock page Harrington Investments, INC fund profile Harrington Investments, INC full holdings
How Harrington Investments, INC held FSLR — position size vs. price
% of Fund (quarterly)    FSLR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 12,376 -75 -0.6% 1.28% $2.4M 2026-04-13 $200.35
2025 Q4 REDUCED 5.7% -24.5% ✅ 12,451 -757 -5.7% 1.63% $3.3M 2026-01-13 $241.36
2025 Q3 REDUCED — — — 13,208 -70 -0.5% 1.45% $2.9M 2025-10-20 $229.00
2025 Q2 ADDED — — — 13,278 +65 +0.5% 1.16% $2.2M 2025-07-14 $160.84
2025 Q1 REDUCED — — — 13,213 -187 -1.4% 0.95% $1.7M 2025-04-11 $125.93
2024 Q4 REDUCED — — — 13,400 -293 -2.1% 1.30% $2.4M 2025-02-10 $162.89
2024 Q3 REDUCED — — — 13,693 -410 -2.9% 1.86% $3.4M 2024-10-11 $211.49
2024 Q2 REDUCED 7.7% +10.6% ❌ 14,103 -1,180 -7.7% 1.80% $3.2M 2024-08-06 $210.45
2024 Q1 ADDED — — — 15,283 +604 +4.1% 1.48% $2.6M 2024-04-26 $178.73
2023 Q4 REDUCED — — — 14,679 -117 -0.8% 1.57% $2.5M 2024-01-17 $147.26
32 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding FSLR

As of 2026 Q1 — sorted by position size

Clean Energy Transition LLP 3Y 18.31% Hill City Capital, LP 3Y 15.35% FARLEY CAPITAL L.P. 3Y 7Y 8.36% Parametrica Management Ltd 3Y 7Y 7.86% Redwood Grove Capital, LLC 3Y 6.01% Credit Capital Investments LLC 3Y 7Y 4.6% Triodos Investment Management BV 3Y 7Y 4.14% Brooklands Fund Management Ltd 4.09% NIA IMPACT ADVISORS, LLC 3Y 4.05% Lightrock Netherlands B.V. 4.03%

FAQ About Harrington Investments, INC and FSLR

These are the practical questions this page is built to answer before you even open the full history table.

How long has Harrington Investments, INC reported owning FSLR?

Harrington Investments, INC reported FSLR across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported FSLR position in Harrington Investments, INC's portfolio?

The largest reported portfolio weight for FSLR was 1.86% in 2024 Q3.

What is the latest reported FSLR position on this page?

The most recent filing on this page is 2026 Q1, when Harrington Investments, INC reported 12,376 shares, equal to 1.28% of portfolio, with an estimated market value of $2.4M.

What does the chart on this FSLR ownership page compare?

The chart compares Harrington Investments, INC's quarterly FSLR portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Harrington Investments, INC time their FSLR position?

Based on 13F filing dates vs. subsequent FSLR price moves, Harrington Investments, INC correctly timed 20 out of 34 reported position changes (59%). The annualised alpha on FSLR relative to SPY over the holding period was +15.0%.

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