Ciena Corporation

Historical 13F Holders

Symbol
CIEN
CUSIP
171779309
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 171779309 since 12/18/2024, newest first.

Filer % of Class Filed
JPMorgan Chase & Co 13G/A Amendment 1 3.9% 9/3/2026
Event 8/31/2026
FMR LLC 13G/A Amendment 5
13.5% 8/6/2026
Event 6/30/2026
Vanguard Portfolio Management LLC 13G 5.2% 4/29/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 7.5% 4/29/2026
Event 3/31/2026
BlackRock, Inc. 13G/A Amendment 5 8.0% 4/24/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 13 0% 3/26/2026
Event 3/13/2026
JPMorgan Chase & Co 13G 7.7% 1/21/2026
Event 12/31/2025
BlackRock, Inc. 13G/A Amendment 4 10.3% 12/4/2025
Event 11/30/2025
BlackRock, Inc. 13G/A Amendment 3 9.4% 4/17/2025
Event 3/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 82 708 k $275 M
2026 Q2 1,306 237 M $70.6 B
2026 Q1 1,138 134 M $51.8 B
2025 Q4 900 152 M $32.2 B
2025 Q3 733 146 M $21.2 B
2025 Q2 603 141 M $11.5 B
2025 Q1 592 136 M $8.25 B
2024 Q4 574 141 M $11.9 B
2024 Q3 499 143 M $8.83 B
2024 Q2 485 143 M $6.89 B
2024 Q1 504 142 M $7.01 B
2023 Q4 484 138 M $6.20 B
2023 Q3 497 135 M $6.37 B
2023 Q2 497 138 M $5.85 B
2023 Q1 518 145 M $7.40 B
2022 Q4 495 144 M $7.33 B
2022 Q3 455 147 M $5.93 B
2022 Q2 478 138 M $6.20 B
2022 Q1 527 137 M $8.19 B
2021 Q4 560 136 M $10.5 B
2021 Q3 494 138 M $7.06 B
2021 Q2 503 143 M $8.13 B
2021 Q1 491 143 M $7.84 B
2020 Q4 516 147 M $7.82 B
2020 Q3 512 138 M $5.48 B
2020 Q2 530 138 M $7.50 B
2020 Q1 457 138 M $5.51 B
2019 Q4 455 147 M $6.25 B
2019 Q3 457 143 M $5.60 B
2019 Q2 466 141 M $5.81 B
2019 Q1 452 146 M $5.45 B
2018 Q4 403 148 M $5.00 B
2018 Q3 380 161 M $5.02 B
2018 Q2 340 152 M $4.03 B
2018 Q1 336 150 M $3.90 B
2017 Q4 332 150 M $3.14 B
2017 Q3 335 153 M $3.37 B
2017 Q2 358 147 M $3.69 B
2017 Q1 331 152 M $3.59 B
2016 Q4 339 144 M $3.50 B
2016 Q3 319 137 M $2.99 B
2016 Q2 324 130 M $2.48 B
2016 Q1 310 139 M $2.63 B
2015 Q4 345 144 M $3.01 B
2015 Q3 348 135 M $2.79 B
2015 Q2 333 122 M $2.88 B
2015 Q1 303 116 M $2.24 B
2014 Q4 280 109 M $2.11 B
2014 Q3 281 109 M $1.81 B
2014 Q2 291 120 M $2.63 B
2014 Q1 318 112 M $3.04 B