UBS O'Connor’s Canadian Solar CSIQ Stock Holding History

UBS O'Connor’s Portfolio CSIQ Stock Details CSIQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	$1.14M	Buy	+47,962	New	+$1.05M	0.03%	139
2023 Q1	–	Sell	-69,219	Closed	-$2.14M	–	646
2022 Q4	$2.14M	Buy	+69,219	New	+$2.32M	0.04%	453
2022 Q1	–	Sell	-140,595	Closed	-$4.4M	–	985
2021 Q4	$4.4M	Buy	+140,595	New	+$5.04M	0.04%	314
2014 Q4	–	Sell	-226,870	Closed	-$8.12M	–	648
2014 Q3	$8.12M	Sell	226,870 -15,857	-7%	-$514K	0.14%	175
2014 Q2	$7.59M	Buy	242,727 +102,727	+73%	+$2.77M	0.05%	167
2014 Q1	$4.49M	Buy	+140,000	New	+$5.26M	0.09%	248

Other funds holding CSIQ

Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

PCP

Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

SCM

Shah Capital Management Raleigh, North Carolina $526M AUM 46.41% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

UBS O'Connor's CSIQ Position: Q4 2025 in Review

UBS O'Connor opened a new position in Canadian Solar (CSIQ) in Q4 2025: 47,962 shares worth $1.14M. The stake represents 0.03% of the portfolio and ranks #139 among its holdings. This is a return to the name: UBS O'Connor previously reported a position in CSIQ as recently as Q4 2022.

UBS O'Connor first reported a position in CSIQ in Q1 2014 and has held it in 6 quarters since. The position peaked at $8.12M in Q3 2014. 137 funds tracked by Wall St. Rank hold CSIQ as of Q4 2025.

UBS O'Connor held 47,962 shares of Canadian Solar worth $1.14M as of Q4 2025.
Canadian Solar was a new UBS O'Connor position in Q4 2025.
Canadian Solar made up 0.03% of UBS O'Connor's portfolio in Q4 2025, its #139 holding.
UBS O'Connor first reported a position in Canadian Solar in Q1 2014 and has held it in 6 quarters since.
UBS O'Connor's Canadian Solar position peaked at $8.12M in Q3 2014.
137 funds tracked by Wall St. Rank held Canadian Solar as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.