Aigen Investment Management’s Ciena CIEN Stock Holding History

Aigen Investment 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	$413K	Sell	841 -401	-32%	-$204K	0.11%	229
2026 Q1	$482K	Buy	+1,242	New	+$380K	0.12%	219
2024 Q1	–	Sell	-9,596	Closed	-$432K	–	713
2023 Q4	$432K	Sell	9,596 -3,937	-29%	-$174K	0.08%	377
2023 Q3	$640K	Buy	+13,533	New	+$597K	0.12%	281
2022 Q3	–	Sell	-25,986	Closed	-$1.19M	–	604
2022 Q2	$1.19M	Buy	+25,986	New	+$1.35M	0.2%	146
2021 Q3	–	Sell	-26,440	Closed	-$1.5M	–	495
2021 Q2	$1.5M	Buy	+26,440	New	+$1.46M	0.26%	107
2020 Q3	–	Sell	-28,504	Closed	-$1.54M	–	879
2020 Q2	$1.54M	Buy	+28,504	New	+$1.42M	0.2%	145

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 $3.38T AUM 44.17% 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

Aigen Investment Management's CIEN Position: Q2 2026 in Review

Aigen Investment Management reduced its Ciena (CIEN) stake by 32% in Q2 2026, selling an estimated $204K and leaving 841 shares worth $413K. The position accounts for 0.11% of the portfolio, ranked #229.

Aigen Investment Management first reported a position in CIEN in Q2 2020 and has held it in 7 quarters since. The position peaked at $1.54M in Q2 2020. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Aigen Investment Management held 841 shares of Ciena worth $413K as of Q2 2026.
Aigen Investment Management sold 401 Ciena shares in Q2 2026, an estimated $204K.
Ciena made up 0.11% of Aigen Investment Management's portfolio in Q2 2026, its #229 holding.
Aigen Investment Management first reported a position in Ciena in Q2 2020 and has held it in 7 quarters since.
Aigen Investment Management's Ciena position peaked at $1.54M in Q2 2020.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.