CSIQ — CANADIAN SOLAR INC

Ownership history in Cubist Systematic Strategies, LLC  ·  49 quarters on record

AI Ownership Summary

Cubist Systematic Strategies, LLC reported CANADIAN SOLAR INC (CSIQ) in 49 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.03% in 2023 Q4. The latest visible filing shows CSIQ at 0.00% 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 CSIQ ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Cubist Systematic Strategies, LLC's position in CANADIAN SOLAR INC, 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
2025 Q3

CSIQ was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.03% in 2023 Q4

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 2025 Q3

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.

CSIQ stock page Cubist Systematic Strategies, LLC fund profile Cubist Systematic Strategies, LLC full holdings
How Cubist Systematic Strategies, LLC held CSIQ — position size vs. price
% of Fund (quarterly)    CSIQ price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 16 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 10,300 -31,300 -75.2% 0.00% $134K 2025-11-14 (Est.) $33.58
2025 Q2 ADDED 41,600 +20,700 +99.0% 0.00% $459K 2025-08-14 $11.68
2025 Q2 ADDED 20,900 +5,700 +37.5% 0.00% $231K 2025-08-14 $11.68
2025 Q1 REDUCED 15,200 -8,300 -35.3% 0.00% $131K 2025-05-15 $10.69
2025 Q1 REDUCED 23,500 -55,600 -70.3% 0.00% $203K 2025-05-15 $10.69
2024 Q4 ADDED 79,100 +14,900 +23.2% 0.01% $880K 2025-02-14 $10.63
2024 Q4 REDUCED 64,200 -7,000 -9.8% 0.00% $714K 2025-02-14 $10.63
2024 Q3 REDUCED 71,200 -2,500 -3.4% 0.01% $1.2M 2024-11-14 $11.77
2024 Q3 REDUCED 73,700 -15,800 -17.7% 0.01% $1.2M 2024-11-14 $11.77
2024 Q2 ADDED 89,500 +38,500 +75.5% 0.01% $1.3M 2024-08-14 $14.17
2024 Q2 REDUCED 51,000 -80,700 -61.3% 0.01% $752K 2024-08-14 $14.17
2024 Q1 ADDED 131,700 +92,500 +236.0% 0.01% $2.6M 2024-05-15 $16.72
2024 Q1 ADDED 39,200 +7,902 +25.2% 0.00% $775K 2024-05-15 $16.72
2023 Q4 REDUCED 31,298 -102,502 -76.6% 0.01% $821K 2024-02-14 $23.21
2023 Q4 REDUCED 133,800 -18,200 -12.0% 0.02% $3.5M 2024-02-14 $23.21
2023 Q4 ADDED 152,000 +91,400 +150.8% 0.03% $4.0M 2024-02-14 $23.21
33 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CSIQ

As of 2026 Q1 — sorted by position size

Polunin Capital Partners Ltd 3Y 7Y 6.65% Green Alpha Advisors, LLC 3Y 0.52% Guinness Atkinson Asset Management Inc 3Y 7Y 0.15% Guinness Asset Management LTD 3Y 7Y 0.08% Byrne Asset Management LLC 3Y 0.07% Prospera Financial Services Inc 3Y 7Y 0.01% ADIRONDACK TRUST CO 3Y 7Y 0.0% SG Americas Securities, LLC 3Y 7Y 0.0% CITY HOLDING CO 3Y 7Y 0.0% CoreCap Advisors, LLC 3Y 0.0%

FAQ About Cubist Systematic Strategies, LLC and CSIQ

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

How long has Cubist Systematic Strategies, LLC reported owning CSIQ?

Cubist Systematic Strategies, LLC reported CSIQ across 16 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported CSIQ position in Cubist Systematic Strategies, LLC's portfolio?

The largest reported portfolio weight for CSIQ was 0.03% in 2023 Q4.

What is the latest reported CSIQ position on this page?

The most recent filing on this page is 2025 Q3, when Cubist Systematic Strategies, LLC reported 10,300 shares, equal to 0.00% of portfolio, with an estimated market value of $134K.

What does the chart on this CSIQ ownership page compare?

The chart compares Cubist Systematic Strategies, LLC's quarterly CSIQ 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.

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