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Canadian Solar CSIQ

US equityMarket cap rank #3446Solar Solar Power

$11.17 −$0.08 (-0.71%)

Market open · Oct 8, 10:00 am ET · After hours $11.25 0.00%

Open$11.23

Prev close$11.25

Day range$11.14 – $11.32

Volume63.1K

Market cap$758.41M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership71.6%-1.90 pts vs. prior quarter

Institutions holding195+3 vs. prior quarter

Insider trades (recent)30 buys / 20 sellsNet buying

Short interest27.00% of floatDays to cover 10.4 · as of 15 Sep 2026

Short-sale volume share29.9%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$2.84M (12 inflow days, 8 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 49.9% of shares outstanding.

Largest holders

Xiaohua Qu20.74%
Venture Holding S.à R.L. Spf8.85%
BlackRock7.84%
Mackenzie Financial Corporation6.81%
D. E. Shaw & Co., L.P.5.64%
Invesco Capital Management LLC4.04%
Legal & General Investment Management3.92%
Polunin Capital Partners Limited3.13%

By investor type

Mutual Fund42.10%
Individual/Insider21.27%
Hedge Fund11.95%
Private Company9.63%
Public Company7.39%
Family Office/Trust0.29%
Insurance Company0.15%
Government Pension Fund0.07%

Reported short interest has risen from 23.87% to 27.00% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Nuveen Asset Management LLC	Insurance Company	2026/Q3	+102,194	0.2%
BlackRock	Mutual Fund	2026/Q3	+3,692,227	7.8%
Legal & General Investment Management	Mutual Fund	2026/Q3	+1,288,124	3.9%
State Street Global Advisors	Mutual Fund	2026/Q3	+932,872	2.3%
Crystal Cove Asset Management, LLC	Mutual Fund	2026/Q3	+870,500	1.3%
Geode Capital Management, LLC	Mutual Fund	2026/Q3	+682,935	1.2%
Mirae Asset Global Investments Co., Ltd	Mutual Fund	2026/Q3	+519,210	1.3%
Vanguard Portfolio Management, LLC	Mutual Fund	2026/Q3	+328,097	0.5%
Invesco Capital Management LLC	Mutual Fund	2026/Q3	+316,011	4.0%
Northern Trust Global Investments	Mutual Fund	2026/Q3	+300,101	0.5%
Marshall Wace LLP	Hedge Fund	2026/Q3	+227,954	0.3%
HSBC Global Asset Management (UK) Limited	Mutual Fund	2026/Q3	+205,397	0.5%
UBS Asset Management	Mutual Fund	2026/Q3	+193,224	1.1%
BIT Capital GmbH	Mutual Fund	2026/Q3	+191,986	0.3%
Barclays PLC	Public Company	2026/Q3	+189,386	0.9%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
8 Jul 2026	Li Hsien Chang	Lead Independent Director	Other Derivative Acquisition	+1,949	–	24,108
8 Jul 2026	Harry Ruda	Independent Director	Other Derivative Acquisition	+1,949	–	24,108
8 Jul 2026	Xiaohua Qu	Chairperson & CEO	Other Derivative Acquisition	+18,892	–	54,349
8 Jul 2026	Luen Cheung Wong	Independent Director	Other Derivative Acquisition	+1,949	–	24,108
8 Jul 2026	Lauren Templeton	Independent Director	Other Derivative Acquisition	+1,949	–	24,108
8 Jul 2026	Colin Parkin	President	Other Derivative Acquisition	+18,892	–	47,434
8 Jul 2026	Xinbo Zhu	Senior Vice President	Other Derivative Acquisition	+12,594	–	35,916
8 Jul 2026	Pauline Wong	Corporate Secretary	Other Derivative Acquisition	+2,519	–	2,519
8 Jul 2026	Yu Chen	VP, Lead General Counsel & Chief Compliance Officer	Other Derivative Acquisition	+9,446	–	21,392
1 Jul 2026	Li Hsien Chang	Lead Independent Director	Derivative Exercise and Sale	-4	$15.69	805
1 Jul 2026	Li Hsien Chang	Lead Independent Director	Derivative Exercise and Retained	+805	–	805
1 Jul 2026	Harry Ruda	Independent Director	Derivative Exercise and Sale	-493	$15.69	45,998
1 Jul 2026	Harry Ruda	Independent Director	Derivative Exercise and Retained	+316	–	45,998
1 Jul 2026	Luen Cheung Wong	Independent Director	Derivative Exercise and Sale	-4	$15.69	805
1 Jul 2026	Luen Cheung Wong	Independent Director	Derivative Exercise and Retained	+805	–	805
1 Jul 2026	Lauren Templeton	Independent Director	Derivative Exercise and Sale	-4	$15.69	24,599
1 Jul 2026	Lauren Templeton	Independent Director	Derivative Exercise and Retained	+805	–	24,599
15 Jun 2026	Huifeng Chang	Senior VP, CFO & Director	Intent to Sell (Form 144)	-7,889	$16.88	–
25 May 2026	Li Hsien Chang	Lead Independent Director	Open Market Disposition	-1,767	$19.45	–
25 May 2026	Xiaohua Qu	Chairperson & CEO	Derivative Exercise and Sale	-6	$19.45	14,065,059

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	18,334,783	27.0%	10.4
31 Aug 2026	17,700,892	26.1%	8.7
14 Aug 2026	15,819,821	23.3%	9.8
31 Jul 2026	15,578,270	22.9%	7.5
15 Jul 2026	16,430,419	24.2%	6.8
30 Jun 2026	16,203,719	23.9%	6.0

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