Ontario Teachers' Pension Plan Board’s Ciena CIEN Stock Holding History

Ontario Teachers' Pension Plan Board’s Portfolio CIEN Stock Details CIEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-9,021	Closed	-$545K	–	340
2025 Q1	$545K	Buy	+9,021	New	+$713K	0.01%	348
2024 Q3	–	Sell	-57,038	Closed	-$2.75M	–	437
2024 Q2	$2.75M	Buy	57,038 +18,398	+48%	+$873K	0.03%	161
2024 Q1	$1.91M	Buy	+38,640	New	+$2.04M	0.02%	255
2019 Q4	–	Sell	-5,587	Closed	-$219K	–	533
2019 Q3	$219K	Hold	5,587	–	–	﹤0.01%	500
2019 Q2	$230K	Hold	5,587	–	–	﹤0.01%	524
2019 Q1	$209K	Buy	+5,587	New	+$217K	﹤0.01%	530

Other funds holding CIEN

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Bank of America

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

BNP Paribas Asset Management

BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return

Point72 Asset Management

Point72 Asset Management Stamford, Connecticut $57.5B AUM 55.25% 1-Year Est. Return

William Blair Investment Management

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return