As of November 6, 2026, Canadian Solar Inc. is a publicly traded company (Nasdaq: CSIQ); its largest reported holder is PAG Castle Holdings Pte. Ltd., with 14.1% on Schedule 13G/A of July 7, 2025, then Venture Holding S.a.r.l. SPF (8.96%) (Schedule 13G/A, July 7, 2025).
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Is Canadian Solar Inc. a real, registered company?
- Canadian Solar Inc. files with the SEC under CIK 1375877 (its SEC filings).
- Its shares are listed under the ticker CSIQ on Nasdaq (SEC company record).
- Incorporated in A6; business address in Kitchener, A6, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Canadian Solar Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Mackenzie Financial Corp. (filed 2026-11-03).
Who are Canadian Solar Inc.'s owners and officers?
Canadian Solar Inc.: business address in Kitchener, A6; industry Semiconductors & Related Devices (Schedule 13G/A, 2026-11-03).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-03 | Mackenzie Financial Corp | 7.9% |
| Schedule 13G, 2026-07-27 | Blackrock, Inc. | 7.8% |
| Schedule 13G/A, 2026-07-23 | D. E. Shaw & Co., L.P. | 8% |
| Schedule 13G, 2026-05-15 | Mackenzie Financial Corp | 6.9% |
| Schedule 13G, 2026-03-20 | D. E. Shaw & Co., L.P. | 6.4% |
| Schedule 13G/A, 2025-11-17 | Venture Holding S.A.R.L. Spf | 8.96% |
| Schedule 13G/A, 2025-11-13 | Mackenzie Financial Corp | 6.7% |
| Schedule 13G/A, 2025-08-14 | Mackenzie Financial Corp | 8.8% |
| Schedule 13G/A, 2025-07-14 | Venture Holding S.A.R.L. Spf | 10.73% |
| Schedule 13G/A, 2025-07-07 | Pag Castle Holdings Pte. LTD. | 14.1% |
Questions about who owns Canadian Solar Inc.
Who owns Canadian Solar Inc.?
On this page, 5 holders' latest ownership filings report 5% or more of Canadian Solar Inc.: Pag Castle Holdings Pte. LTD. (14.1%, Schedule 13G/A, filed 2025-07-07), Venture Holding S.A.R.L. Spf (8.96%, Schedule 13G/A, filed 2025-11-17), D. E. Shaw & Co., L.P. (8%, Schedule 13G/A, filed 2026-07-23), Mackenzie Financial Corp (7.9%, Schedule 13G/A, filed 2026-11-03) and Blackrock, Inc. (7.8%, Schedule 13G, filed 2026-07-27).
Who are the largest shareholders of Canadian Solar Inc.?
By the share each holder's latest filing reports, the largest holders of Canadian Solar Inc. on this page are Pag Castle Holdings Pte. LTD. (14.1%), Venture Holding S.A.R.L. Spf (8.96%) and D. E. Shaw & Co., L.P. (8%).
When did Pag Castle Holdings Pte. LTD. buy into Canadian Solar Inc.?
The filings give report dates, not purchase dates. The earliest filing from Pag Castle Holdings Pte. LTD. on this page is the Schedule 13G/A, filed 2025-07-07, reporting 14.1%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Canadian Solar Inc. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Which insiders own Canadian Solar Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief technology officer and a director: 14,065,059 shares (20.7% of shares outstanding), 13,789,124 held directly and 275,935 indirectly (Form 4, 2026-05-28).
- , the chief financial officer: 150,844 shares (0.22% of shares outstanding) (Form 4, 2026-05-28).
- , a director: 46,468 shares (0.07% of shares outstanding) (Form 4, 2026-10-07).
- , a director: 25,797 shares (0.04% of shares outstanding) (Form 4, 2026-10-07).
- , a director: 12,625 shares (0.02% of shares outstanding) (Form 3, 2026-03-18).
Shares outstanding: 67,810,136 as of 2025-12-31, from the company's latest SEC cover page.
How much has Canadian Solar Inc. raised?
No fundraising or offering filing from Canadian Solar Inc. is on file with us.
Keep reading
More on Canadian Solar Inc. and the records around it.
Canadian Solar Inc. elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- PAG Castle Holdings Pte. Ltd. also filed stake reports on 2 other companies: Aurora Mobile Limited (Feb 2026), SuperX AI Technology Limited (Nov 2025)
- MACKENZIE FINANCIAL CORP also filed stake reports on 8 other companies: BRP Inc. (Feb 2026), TELUS International (Cda) Inc. (Aug 2025)
- D. E. Shaw & Co., L.P. also filed stake reports on 28 other companies: Gossamer Bio, Inc. (Oct 2026), Sweetgreen, Inc. (Oct 2026), Venture Global, Inc. (Sep 2026)
Related pages
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