Canadian Solar Inc.
CSIQ- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001375877
No open-market purchases or sales by Canadian Solar Inc. insiders were filed in the last 90 days; 154 institutions reported holding it in 13F filings for Q2 2026, worth $648.2M in total; no superinvestor holds it.
Holders of 5% or more of CSIQ
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Canadian Solar Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Pacific Alliance Group Ltd | 13G/A | 14.10%11.0M shares | +3.00 ppfrom 11.10% | Jan 24, 20252 filings | Jul 7, 2025 | SEC |
| VENTURE HOLDING Sarl SPF | 13G/A | 8.96%6.00M shares | −1.77 ppfrom 10.73% | Feb 14, 20254 filings | Nov 17, 2025 | SEC |
| Mackenzie Financial Corp | 13G/A | 6.70%4.51M shares | −2.10 ppfrom 8.80% | Feb 13, 20254 filings | Nov 13, 2025 | SEC |
| D. E. Shaw & Co, L.P. | 13G | 6.40%4.37M shares | New | Mar 20, 20261 filing | Mar 20, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Canadian Solar Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 20, 20267:03 PM ET | D. E. Shaw & Co, L.P.and 2 others | 13G | 6.40%4.37M shares | New | Jan 13, 2026 | SEC |
| Nov 17, 20257:34 PM ET | VENTURE HOLDING Sarl SPF | 13G/A | 8.96%6.00M shares | −1.77 ppfrom 10.73% | Nov 6, 2025 | SEC |
| Nov 13, 20253:29 PM ET | Mackenzie Financial Corp | 13G/A | 6.70%4.51M shares | −2.10 ppfrom 8.80% | Sep 30, 2025 | SEC |
| Aug 14, 20254:34 PM ET | Mackenzie Financial Corp | 13G/A | 8.80%5.88M shares | +0.30 ppfrom 8.50% | Jun 30, 2025 | SEC |
| Jul 14, 20253:13 PM ET | VENTURE HOLDING Sarl SPF | 13G/A | 10.73%7.18M shares | +0.34 ppfrom 10.39% | Jun 30, 2025 | SEC |
| Jul 7, 20256:11 AM ET | Pacific Alliance Group Ltdand 6 others | 13G/A | 14.10%11.0M shares | +3.00 ppfrom 11.10% | Jul 3, 2025 | SEC |
| May 13, 20258:20 PM ET | Mackenzie Financial Corp | 13G/A | 8.50%5.48M shares | 0.00 ppfrom 8.50% | Mar 31, 2025 | SEC |
| Apr 25, 202512:24 PM ET | VENTURE HOLDING Sarl SPF | 13G/A | 10.39%6.95M shares | +2.65 ppfrom 7.74% | Apr 16, 2025 | SEC |
| Apr 24, 20257:50 AM ET | BlackRock, Inc. | 13G/A | 1.40%946.6K shares | −5.40 ppfrom 6.80%Below 5% | Mar 31, 2025 | SEC |
| Feb 14, 20256:34 AM ET | VENTURE HOLDING Sarl SPF | 13G/A | 7.74%5.12M shares | – | Dec 31, 2024 | SEC |
| Feb 13, 20254:33 PM ET | Mackenzie Financial Corp | 13G/A | 8.50%5.52M shares | – | Dec 31, 2024 | SEC |
| Feb 5, 20255:28 PM ET | BlackRock, Inc. | 13G/A | 6.80%4.50M shares | – | Dec 31, 2024 | SEC |
| Jan 24, 20256:03 AM ET | Pacific Alliance Group Ltdand 6 others | 13G | 11.10%8.24M shares | New | Jan 17, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Canadian Solar Inc. shares.
No Form 144 notices for Canadian Solar Inc. are on file.