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Man Group plc

Position in CIEN — Ciena Corp

CIK 1637460 LONDON, X0

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$164,241,940
+$155,162,406 QoQ
Shares Held
334,805
+1331.6% QoQ
Ownership
0.237%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#46
of 1,218 holders
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 50% Shared 0% None 50%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

Man Group plc holds $411,331,883 across 18 Communication Equipment names. CIEN ranks #1 (39.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
334,805 $164,241,940

All Filings in CIEN

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $164,241,940 334,805
2026-03-31 $9,079,534 23,387
2025-12-31 $7,039,720 30,101
2025-09-30 $7,869,821 54,025
2024-09-30 $7,364,131 119,567
2024-06-30 $8,242,441 171,076
2024-03-31 $11,030,959 223,073
2023-12-31 $12,861,832 285,755
2023-09-30 $11,227,604 237,571
2023-06-30 $2,442,410 57,482
2023-03-31 $1,706,900 32,500
2022-12-31 $1,442,734 28,300
2022-06-30 $4,345,474 95,087
2022-03-31 $7,026,106 115,885
2021-12-31 $1,763,613 22,913
2020-09-30 $218,374 5,502
2020-06-30 $711,391 13,135