Woodline Partners’s Ciena CIEN Stock Holding History

Woodline Partners’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	$15.1M	Buy	30,862 +3,273	+12%	+$1.67M	0.05%	441
2026 Q1	$10.7M	Buy	27,589 +24,990	+962%	+$7.64M	0.04%	496
2025 Q4	$608K	Buy	+2,599	New	+$504K	﹤0.01%	889
2025 Q3	–	Sell	-434,502	Closed	-$35.3M	–	904
2025 Q2	$35.3M	Sell	434,502 -380,012	-47%	-$27.3M	0.19%	152
2025 Q1	$49.2M	Buy	+814,514	New	+$64.4M	0.32%	85
2024 Q3	–	Sell	-316,190	Closed	-$15.2M	–	617
2024 Q2	$15.2M	Buy	+316,190	New	+$15M	0.15%	203
2024 Q1	–	Sell	-1,085,461	Closed	-$48.9M	–	551
2023 Q4	$48.9M	Buy	1,085,461 +719,472	+197%	+$31.7M	0.53%	53
2023 Q3	$17.3M	Sell	365,989 -1,643,898	-82%	-$72.5M	0.2%	147
2023 Q2	$85.4M	Buy	2,009,887 +1,811,301	+912%	+$82.5M	1.01%	18
2023 Q1	$10.4M	Sell	198,586 -141,718	-42%	-$7.07M	0.14%	195
2022 Q4	$17.3M	Buy	+340,304	New	+$15.4M	0.23%	129
2022 Q2	–	Sell	-507,787	Closed	-$30.8M	–	808
2022 Q1	$30.8M	Buy	+507,787	New	+$33.2M	0.5%	55
2021 Q4	–	Sell	-368,786	Closed	-$18.9M	–	712
2021 Q3	$18.9M	Buy	+368,786	New	+$20.5M	0.31%	93
2021 Q1	–	Sell	-573,570	Closed	-$30.3M	–	435
2020 Q4	$30.3M	Buy	573,570 +433,894	+311%	+$19.3M	0.8%	35
2020 Q3	$5.54M	Buy	+139,676	New	+$7.35M	0.18%	120
2020 Q2	–	Sell	-128,405	Closed	-$5.11M	–	157
2020 Q1	$5.11M	Buy	+128,405	New	+$5.27M	0.37%	82

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

Woodline Partners's CIEN Position: Q2 2026 in Review

Woodline Partners increased its Ciena (CIEN) stake by 12% in Q2 2026, buying an estimated $1.67M and bringing the position to 30,862 shares worth $15.1M. The position accounts for 0.05% of the portfolio, ranked #441.

Woodline Partners first reported a position in CIEN in Q1 2020 and has held it in 16 quarters since. The position peaked at $85.4M in Q2 2023. 1,225 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Woodline Partners held 30,862 shares of Ciena worth $15.1M as of Q2 2026.
Woodline Partners bought 3,273 Ciena shares in Q2 2026, an estimated $1.67M.
Ciena made up 0.05% of Woodline Partners's portfolio in Q2 2026, its #441 holding.
Woodline Partners first reported a position in Ciena in Q1 2020 and has held it in 16 quarters since.
Woodline Partners's Ciena position peaked at $85.4M in Q2 2023.
1,225 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.