Sciencast Management’s Ciena CIEN Stock Holding History

Sciencast 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 Q3	$1.66M	Buy	+4,710	New	+$1.82M	0.68%	80
2025 Q1	–	Sell	-25,336	Closed	-$2.15M	–	255
2024 Q4	$2.15M	Buy	+25,336	New	+$1.82M	0.59%	80
2024 Q1	–	Sell	-34,590	Closed	-$1.56M	–	229
2023 Q4	$1.56M	Buy	+34,590	New	+$1.52M	0.85%	38
2022 Q1	–	Sell	-22,156	Closed	-$1.67M	–	572
2021 Q4	$1.67M	Buy	+22,156	New	+$1.37M	0.29%	111
2021 Q2	–	Sell	-4,636	Closed	-$259K	–	499
2021 Q1	$259K	Buy	+4,636	New	+$249K	0.05%	417
2020 Q4	–	Sell	-12,679	Closed	-$536K	–	466
2020 Q3	$536K	Sell	12,679 -5,640	-31%	-$297K	0.2%	168
2020 Q2	$969K	Buy	+18,319	New	+$911K	0.24%	139
2020 Q1	–	Sell	-5,500	Closed	-$235K	–	353
2019 Q4	$235K	Buy	+5,500	New	+$210K	0.06%	412
2019 Q3	–	Sell	-24,225	Closed	-$1.05M	–	369
2019 Q2	$1.05M	Buy	24,225 +17,900	+283%	+$689K	0.59%	52
2019 Q1	$236K	Buy	+6,325	New	+$246K	0.08%	310

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return

Sciencast Management's CIEN Position: Q3 2026 in Review

Sciencast Management opened a new position in Ciena (CIEN) in Q3 2026: 4,710 shares worth $1.66M. The stake represents 0.68% of the portfolio and ranks #80 among its holdings. This is a return to the name: Sciencast Management previously reported a position in CIEN as recently as Q4 2024.

Sciencast Management first reported a position in CIEN in Q1 2019 and has held it in 10 quarters since. The position peaked at $2.15M in Q4 2024. 927 funds tracked by Wall St. Rank hold CIEN as of Q3 2026.

Sciencast Management held 4,710 shares of Ciena worth $1.66M as of Q3 2026.
Ciena was a new Sciencast Management position in Q3 2026.
Ciena made up 0.68% of Sciencast Management's portfolio in Q3 2026, its #80 holding.
Sciencast Management first reported a position in Ciena in Q1 2019 and has held it in 10 quarters since.
Sciencast Management's Ciena position peaked at $2.15M in Q4 2024.
927 funds tracked by Wall St. Rank held Ciena as of Q3 2026.

Based on Sciencast Management's 13F filing for Q3 2026, filed 13 Nov 2026.