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 Q3	$12.4M	Buy	35,122 +8,670	+33%	+$3.35M	0.27%	57
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

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

North Growth Management Vancouver, British Columbia, Canada $743M AUM 74.29% 1-Year Est. Return

Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return

LMCG Investments Boston, Massachusetts $1.86B AUM 40.01% 1-Year Est. Return

ABN AMRO Investment Solutions Paris Cedex 008 $13.2B AUM 30.55% 1-Year Est. Return

MN Services Vermogensbeheer The Hague, Netherlands $13.4B AUM 37.34% 1-Year Est. Return

Czech National Bank Prague, Czech Republic $18.9B AUM 36.24% 1-Year Est. Return

Harbour Capital Advisors Tysons Corner, Virginia $548M AUM 37.76% 1-Year Est. Return

Y-Intercept (HK)'s CIEN Position: Q3 2026 in Review

Y-Intercept (HK) increased its Ciena (CIEN) stake by 33% in Q3 2026, buying an estimated $3.35M and bringing the position to 35,122 shares worth $12.4M. The position accounts for 0.27% of the portfolio, ranked #57.

Y-Intercept (HK) first reported a position in CIEN in Q1 2021 and has held it in 10 quarters since. The position peaked at $13M in Q2 2026. 194 funds tracked by Wall St. Rank hold CIEN as of Q3 2026.

Y-Intercept (HK) held 35,122 shares of Ciena worth $12.4M as of Q3 2026.
Y-Intercept (HK) bought 8,670 Ciena shares in Q3 2026, an estimated $3.35M.
Ciena made up 0.27% of Y-Intercept (HK)'s portfolio in Q3 2026, its #57 holding.
Y-Intercept (HK) first reported a position in Ciena in Q1 2021 and has held it in 10 quarters since.
Y-Intercept (HK)'s Ciena position peaked at $13M in Q2 2026.
194 funds tracked by Wall St. Rank held Ciena as of Q3 2026.

Based on Y-Intercept (HK)'s 13F filing for Q3 2026, filed 16 Oct 2026.