Asset Management One’s Ciena CIEN Stock Holding History

Asset Management One’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	$23.1M	Buy	59,447 +4,584	+8%	+$1.4M	0.07%	249
2025 Q4	$13.1M	Buy	+54,863	New	+$10.6M	0.04%	395
2016 Q2	–	Sell	-22,268	Closed	-$421K	–	1313
2016 Q1	$421K	Sell	22,268 -9,653	-30%	-$178K	0.01%	1101
2015 Q4	$668K	Buy	31,921 +22,279	+231%	+$512K	0.01%	998
2015 Q3	$196K	Buy	9,642 +1,763	+22%	+$41K	﹤0.01%	1215
2015 Q2	$186K	Buy	+7,879	New	+$180K	﹤0.01%	1256

Other funds holding CIEN

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

JP Morgan Chase New York $1.56T 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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

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

Asset Management One's CIEN Position: Q1 2026 in Review

Asset Management One increased its Ciena (CIEN) stake by 8.4% in Q1 2026, buying an estimated $1.4M and bringing the position to 59,447 shares worth $23.1M. The position accounts for 0.07% of the portfolio, ranked #249.

Asset Management One first reported a position in CIEN in Q2 2015 and has held it in 6 quarters since. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

Asset Management One held 59,447 shares of Ciena worth $23.1M as of Q1 2026.
Asset Management One bought 4,584 Ciena shares in Q1 2026, an estimated $1.4M.
Ciena made up 0.07% of Asset Management One's portfolio in Q1 2026, its #249 holding.
Asset Management One first reported a position in Ciena in Q2 2015 and has held it in 6 quarters since.
1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Asset Management One's 13F filing for Q1 2026, filed 8 May 2026.