CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Select Equity Group, L.P.'s Holding History (CIK: 0001592643)

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

Q4 2025
Shares 15,098 Value ($000) $3,531 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 83,538 Value ($000) $12,169 Avg Close $101.84 Range $76.89 - $146.53
Q2 2025
Shares 69,873 Value ($000) $5,683 Avg Close $71.73 Range $49.21 - $86.21
Q1 2025
Shares 71,942 Value ($000) $4,347 Avg Close $79.05 Range $58.04 - $101.44