Y-Intercept (HK)’s Ciena CIEN Stock Holding History

Y-Intercept (HK)’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	$13M	Buy	+26,452	New	+$13.5M	0.26%	56
2025 Q2	–	Sell	-71,243	Closed	-$4.31M	–	1669
2025 Q1	$4.31M	Buy	+71,243	New	+$5.63M	0.29%	66
2024 Q2	–	Sell	-55,066	Closed	-$2.72M	–	1454
2024 Q1	$2.72M	Buy	55,066 +37,131	+207%	+$1.96M	0.21%	107
2023 Q4	$807K	Buy	17,935 +8,999	+101%	+$397K	0.08%	399
2023 Q3	$422K	Sell	8,936 -330	-4%	-$14.5K	0.04%	628
2023 Q2	$394K	Buy	+9,266	New	+$422K	0.04%	664
2022 Q3	–	Sell	-6,750	Closed	-$308K	–	1000
2022 Q2	$308K	Buy	+6,750	New	+$350K	0.04%	577
2021 Q3	–	Sell	-4,629	Closed	-$263K	–	674
2021 Q2	$263K	Sell	4,629 -466	-9%	-$25.7K	0.07%	453
2021 Q1	$279K	Buy	+5,095	New	+$274K	0.07%	437

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

Y-Intercept (HK)'s CIEN Position: Q2 2026 in Review

Y-Intercept (HK) opened a new position in Ciena (CIEN) in Q2 2026: 26,452 shares worth $13M. The stake represents 0.26% of the portfolio and ranks #56 among its holdings. This is a return to the name: Y-Intercept (HK) previously reported a position in CIEN as recently as Q1 2025.

Y-Intercept (HK) first reported a position in CIEN in Q1 2021 and has held it in 9 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Y-Intercept (HK) held 26,452 shares of Ciena worth $13M as of Q2 2026.
Ciena was a new Y-Intercept (HK) position in Q2 2026.
Ciena made up 0.26% of Y-Intercept (HK)'s portfolio in Q2 2026, its #56 holding.
Y-Intercept (HK) first reported a position in Ciena in Q1 2021 and has held it in 9 quarters since.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Y-Intercept (HK)'s 13F filing for Q2 2026, filed 14 Jul 2026.