The Tip Desk

CIENA CORP holding history

As of Nov. 6, 2026 (UTC)

← PRIMECAP MANAGEMENT CO/CA/ portfolio · COM NEW · CUSIP 171779309 · SH

Quarter-end history; absent and withheld figures are not zero
March 31, 2025478,550$28,918,7760.02%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 9, 2025
June 30, 2025554,500$45,097,4850.04%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewAug. 11, 2025
Sept. 30, 2025587,200$85,537,4240.07%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewNov. 12, 2025
Dec. 31, 2025511,600$119,647,8920.09%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewFeb. 11, 2026
March 31, 2026438,050$170,064,1520.13%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 11, 2026
June 30, 2026308,050$151,117,0080.09%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewAug. 14, 2026

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Schedule 13G disclosures

No verified related disclosures are included in this freeze.

About reported holdings

13F reports quarter-end securities, excluding cash and shorts. Position changes do not establish trades, motives or returns; portfolio weights use disclosed 13F value.