CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q4 2025
Shares 1,650 Value ($000) $386 Avg Close $194.00 Range $143.19 - $248.00
Q2 2022
Shares 9,300 Value ($000) $425 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 9,300 Value ($000) $564 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 9,300 Value ($000) $716 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 9,300 Value ($000) $478 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 9,300 Value ($000) $529 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 5,900 Value ($000) $323 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 5,900 Value ($000) $312 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 5,900 Value ($000) $234 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 5,900 Value ($000) $320 Avg Close $49.71 Range $38.00 - $57.19