TAM
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Tocqueville Asset Management’s Ciena CIEN Stock Holding History

Tocqueville 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 		$232K Buy
+598
New +$183K ﹤0.01% 517
2020
Q1 		– Sell
-200,190
Closed -$8.55M – 650
2019
Q4 		$8.55M Sell
200,190
-464
-0.2% -$17.7K 0.13% 177
2019
Q3 		$7.87M Hold
200,654
– – 0.11% 200
2019
Q2 		$8.25M Hold
200,654
– – 0.11% 209
2019
Q1 		$7.49M Buy
200,654
+40
+0% +$1.55K 0.1% 217
2018
Q4 		$6.8M Sell
200,614
-5,436
-3% -$172K 0.1% 214
2018
Q3 		$6.44M Sell
206,050
-35,000
-15% -$981K 0.08% 251
2018
Q2 		$6.39M Hold
241,050
– – 0.08% 251
2018
Q1 		$6.24M Sell
241,050
-158,750
-40% -$3.74M 0.08% 260
2017
Q4 		$8.37M Buy
+399,800
New +$8.47M 0.1% 222
2016
Q4 		– Sell
-9,500
Closed -$207K – 814
2016
Q3 		$207K Buy
+9,500
New +$198K ﹤0.01% 777

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VPM
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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