Acadian Asset Management LLC / CIEN
Acadian Asset Management LLC’s Ciena Corp Position
Does Acadian Asset Management LLC own Ciena Corp (CIEN)? Yes — 330.1K shares worth $128M (+0.18% of its 13F portfolio) as of Q1 2026, up from 283.0K shares the prior filed quarter.
Position Value
$128M
Q1 2026
Shares
330.1K
% of Portfolio
+0.18%
Quarters Held
28
currently held
Position History CIEN
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 330.1K | $128M | +0.18% |
| Q4 2025 | 283.0K | $66M | +0.11% |
| Q3 2025 | 233.5K | $34M | +0.06% |
| Q2 2025 | 54.1K | $4M | +0.01% |
| Q1 2025 | 61.3K | $4M | +0.01% |
| Q3 2024 | 6.6K | $407,000 | 0.00% |
| Q2 2024 | 8.6K | $412,000 | 0.00% |
| Q1 2024 | 8.6K | $423,000 | 0.00% |
| Q4 2023 | 10.3K | $460,000 | 0.00% |
| Q3 2023 | 25.0K | $1M | 0.00% |
| Q2 2023 | 8.6K | $363,000 | 0.00% |
| Q1 2023 | 17.5K | $917,000 | 0.00% |
| Q4 2022 | 89.5K | $5M | +0.02% |
| Q3 2022 | 930.1K | $38M | +0.21% |
| Q2 2022 | 2.14M | $98M | +0.50% |
| Q1 2022 | 2.19M | $133M | +0.55% |
| Q4 2021 | 1.49M | $114M | +0.43% |
| Q3 2021 | 1.16M | $60M | +0.23% |
| Q2 2021 | 1.17M | $66M | +0.25% |
| Q1 2021 | 1.02M | $56M | +0.22% |
| Q4 2020 | 1.31M | $69M | +0.27% |
| Q3 2020 | 1.27M | $50M | +0.21% |
| Q2 2020 | 1.13M | $61M | +0.26% |
| Q1 2020 | 975.3K | $39M | +0.22% |
| Q4 2019 | 650.8K | $28M | +0.13% |
| Q3 2019 | 326.8K | $13M | +0.05% |
| Q2 2019 | 12.9K | $529,000 | 0.00% |
| Q1 2019 | 13.5K | $505,000 | 0.00% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Acadian Asset Management LLC’s full portfolio or all institutional holders of CIEN.