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 Q2	$312K	Buy	637 +39	+7%	+$19.9K	﹤0.01%	490
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

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Tocqueville Asset Management's CIEN Position: Q2 2026 in Review

Tocqueville Asset Management increased its Ciena (CIEN) stake by 6.5% in Q2 2026, buying an estimated $19.9K and bringing the position to 637 shares worth $312K. The position accounts for ﹤0.01% of the portfolio, ranked #490.

Tocqueville Asset Management first reported a position in CIEN in Q3 2016 and has held it in 12 quarters since. The position peaked at $8.55M in Q4 2019. 1,224 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Tocqueville Asset Management held 637 shares of Ciena worth $312K as of Q2 2026.
Tocqueville Asset Management bought 39 Ciena shares in Q2 2026, an estimated $19.9K.
Ciena made up ﹤0.01% of Tocqueville Asset Management's portfolio in Q2 2026, its #490 holding.
Tocqueville Asset Management first reported a position in Ciena in Q3 2016 and has held it in 12 quarters since.
Tocqueville Asset Management's Ciena position peaked at $8.55M in Q4 2019.
1,224 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Tocqueville Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.