Canadian Solar Inc. (CSIQ) Ownership

NASDAQ: CSIQTop holders, insider trades and short interest.

CSIQ ownership summary

as of October 18, 2026
Institutions
63.6%
of shares outstanding
Insiders
29.79%
of shares outstanding
Shares outstanding
67.9M
Float
43.6M
shares available to trade
Short interest
37.02%
19.9M shares short
Days to cover
9.73
short interest up 8.3% vs prior month
  • Institutions 63.63%
  • Insiders 29.79%
  • Other investors 6.59%

CSIQ top institutional holders

20 largest
Canadian Solar Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc7.83%5.3M$52.2M+3.7M (+226.9%)June 30, 2026
2Mackenzie Investments6.81%4.6M$45.3M+4,372 (+0.1%)June 30, 2026
3D. E. Shaw & Co LP5.64%3.8M$37.5M+774,217 (+25.4%)June 30, 2026
4Amvescap Plc.4.07%2.8M$27.1M+341,504 (+14.1%)June 30, 2026
5Legal & General Group PLC3.92%2.7M$26.1M+1.3M (+94.0%)June 30, 2026
6Polunin Capital Partners Ltd3.12%2.1M$20.8M+118,545 (+5.9%)June 30, 2026
7State Street Corp2.26%1.5M$15.1M+932,872 (+154.8%)June 30, 2026
8Morgan Stanley - Brokerage Accounts1.97%1.3M$13.1M−268,049 (−16.7%)June 30, 2026
9Two Sigma Investments LLC1.78%1.2M$11.9M−987,329 (−44.9%)June 30, 2026
10Shah Capital Management1.34%910K$8.9M−14,145 (−1.5%)September 30, 2026
11Crystal Cove Asset Management, LLC1.28%870K$8.5M+870,500 (0.0%)June 30, 2026
12MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1.28%868K$8.5M+519,210 (+149.0%)June 30, 2026
13The Goldman Sachs Group Inc1.26%853K$8.4M−128,089 (−13.1%)June 30, 2026
14Geode Capital Management, LLC1.16%786K$7.7M+682,935 (+664.6%)June 30, 2026
15JPMorgan Chase & Co1.14%775K$7.6M−263,899 (−25.4%)June 30, 2026
16UBS Group AG1.14%773K$7.6M+193,224 (+33.3%)June 30, 2026
17Bank of America Corp1.10%749K$7.3M−322,553 (−30.1%)June 30, 2026
18Citigroup Inc0.97%658K$6.5M−2,609 (−0.4%)June 30, 2026
19Barclays PLC0.88%597K$5.9M+191,482 (+47.2%)June 30, 2026
20Renaissance Technologies Corp0.78%532K$5.2M+32,200 (+6.4%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 9.6M shares and 7 cut 2.0M.

CSIQ top mutual fund and ETF holders

20 largest
Canadian Solar Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Mackenzie Grnchp Glbl Envr All Cap F55.80%3.9M$38.7M+400,000 (+11.3%)July 31, 2026
2iShares Global Clean Engy Trns ETF $Dist2.23%1.5M$14.9M—September 30, 2026
3L&G Battery Value-Chain ETF2.00%1.4M$13.3M−923 (−0.1%)September 30, 2026
4iShares Russell 2000 ETF1.88%1.3M$12.5M−14,720 (−1.1%)September 30, 2026
5Invesco Solar ETF1.64%1.1M$10.9M—September 30, 2026
6iShares Global Clean Energy ETF1.46%994K$9.8M—September 30, 2026
7L&G Clean Energy ETF USD Acc1.29%874K$8.6M−17,951 (−2.0%)September 30, 2026
8Fidelity Small Cap Index0.79%535K$5.2M+4,332 (+0.8%)July 31, 2026
9Invesco WilderHill Clean Energy ETF0.76%518K$5.1M+68,884 (+15.4%)September 30, 2026
10iShares Russell 2000 Value ETF0.67%458K$4.5M+694 (+0.2%)September 30, 2026
11Stt Strt® SPDR® S&P KenshoClnPwrETF0.61%415K$4.1M—September 30, 2026
12Stt Strt®SPDR®S&PKenshoNwEcosComposETF0.56%381K$3.7M—September 30, 2026
13Xtrackers MSCI World Swap ETF 1C0.55%376K$3.7M+376,389 (0.0%)December 31, 2025
14Old Westbury Small & Mid Cap Strategies0.46%310K$3.0M—July 31, 2026
15Guinness Sustainable Energy D USD Acc0.44%296K$2.9M+7,388 (+2.6%)September 30, 2026
16Vanguard Russell 2000 ETF0.42%284K$2.8M+2,593 (+0.9%)September 30, 2026
17green benefit Global Impact Fund I0.42%282K$2.8M—September 30, 2026
18Optimize Strategy Index ETF0.33%226K$2.2M—September 30, 2026
19BIT Global Leaders I - I0.28%192K$1.9M−21,449 (−10.0%)June 30, 2026
20Storebrand Emerging Markets Plus A SEK0.27%182K$1.8M+28,645 (+18.6%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

CSIQ shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CSIQ

Institutional investors own 63.6% of Canadian Solar's shares and insiders 29.79%. The largest holder is BlackRock Inc with 7.83% of the shares (5.3M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 37.02% of the float, or 9.73 days of average trading volume. The share count rose 18.3% since 2014.

Related: CSIQ analyst forecast, CSIQ key metrics. See the CSIQ stock overview for the latest quote and news.

CSIQ ownership FAQ

Who owns the most Canadian Solar stock?

The largest shareholders of Canadian Solar are BlackRock Inc (7.83%), Mackenzie Investments (6.81%), D. E. Shaw & Co LP (5.64%), Amvescap Plc. (4.07%), Legal & General Group PLC (3.92%).

What percentage of Canadian Solar is owned by institutions?

Institutions hold 63.6% of Canadian Solar's shares outstanding; insiders hold 29.79%.

Which funds own Canadian Solar?

The largest fund holders of Canadian Solar are Mackenzie Grnchp Glbl Envr All Cap F5 (5.80%), iShares Global Clean Engy Trns ETF $Dist (2.23%), L&G Battery Value-Chain ETF (2.00%), iShares Russell 2000 ETF (1.88%), Invesco Solar ETF (1.64%).

What is Canadian Solar's short interest?

19.9M shares of Canadian Solar were sold short, 37.02% of the float; at the average daily volume it would take 9.73 days to cover.

How many shares of Canadian Solar are outstanding?

Canadian Solar has 67.9M shares outstanding, of which 43.6M are in the public float.

Solar: ownership