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Ciena Corporation shares owned by Sumitomo Life Insurance

Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Sumitomo Life Insurance from 13F filings

Historical chart of Sumitomo Life Insurance investment in Ciena Corporation

Tip: Access up to 7 years of quarterly data

All positions including Ciena Corporation held by Sumitomo Life Insurance consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ciena Corporation by Sumitomo Life Insurance

Quarter filed Position value Share count Share price at filing
2026-06-30 $624k 1.3k 490.56

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Top funds holding Ciena Corporation

FMR
BlackRock
Jpmorgan Chase & Co
Vanguard Capital Management
Vanguard Portfolio Management
State Street Corporation
T. Rowe Price Associates
Geode Capital Management
Jane Street
Susquehanna International
American Century Companies
Bank of America Corporation
Invesco
Capital World Investors
Norges Bank Investment Management

View all funds holding Ciena Corporation