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Ciena Corporation shares owned by M&G

Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by M&G from 13F filings

Historical chart of M&G investment in Ciena Corporation

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All positions including Ciena Corporation held by M&G consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ciena Corporation by M&G

Quarter filed Position value Share count Share price at filing
2026-06-30 $15M 30k 491.00