1832 Asset Management
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1832 Asset Management’s Ciena CIEN Stock Holding History

1832 Asset Management’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
2026
Q1 		$112M Sell
287,400
-502,500
-64% -$154M 0.15% 146
2025
Q4 		$185M Buy
+789,900
New +$153M 0.23% 107
2020
Q4 		– Sell
-578,586
Closed -$23.1M – 699
2020
Q3 		$23.1M Buy
+578,586
New +$30.4M 0.06% 206
2017
Q3 		– Sell
-120,800
Closed -$3.03M – 656
2017
Q2 		$3.03M Buy
+120,800
New +$2.89M 0.01% 352
2014
Q4 		– Sell
-28
Closed – – 623
2014
Q3 		$0 Buy
+28
New +$549 ﹤0.01% 613

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return