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Managers Activity Compare Newest

Investment

CIENA CORP

Historical 13F holders

CUSIP: 171779309
Type: Equity
Class: COM NEW

Period	13F filings
2026 Q1	21
2025 Q4	20
2025 Q3	17
2025 Q2	18
2025 Q1	15
2024 Q4	14
2024 Q3	12

FollowTheFilings · Institutional 13F data room

All managers Activity Compare Newest filings X

Data is sourced from SEC EDGAR as filed. The SEC does not guarantee accuracy or completeness. Holdings exclude shorts and many derivatives; values are as of the report date.