CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 52,173 Value ($000) $12,202 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 1,486 Value ($000) $216 Avg Close $101.84 Range $76.89 - $146.53
Q2 2025
Shares 42,297 Value ($000) $3,440 Avg Close $71.73 Range $49.21 - $86.21
Q1 2025
Shares 42,297 Value ($000) $2,556 Avg Close $79.05 Range $58.04 - $101.44
Q4 2024
Shares 42,297 Value ($000) $3,587 Avg Close $71.76 Range $59.60 - $91.82
Q3 2024
Shares 42,297 Value ($000) $2,605 Avg Close $52.69 Range $44.89 - $63.06
Q2 2024
Shares 42,297 Value ($000) $2,038 Avg Close $47.46 Range $43.30 - $53.58
Q3 2020
Shares 193,200 Value ($000) $7,668 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 177,698 Value ($000) $9,624 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 258,315 Value ($000) $10,284 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 258,315 Value ($000) $11,026 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 343,994 Value ($000) $13,496 Avg Close $41.92 Range $37.94 - $46.78
Q2 2019
Shares 367,352 Value ($000) $15,110 Avg Close $38.48 Range $32.76 - $46.23
Q1 2019
Shares 369,610 Value ($000) $13,802 Avg Close $38.83 Range $32.85 - $45.70