Position in CIEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$7,443,757
+$2,421,226 QoQ
Shares Held
15,174
+17.3% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#327
of 1,226 holders
Holding Since
Jun 2023
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026Brevan Howard Capital Management LP holds $29,437,378 across 17 Communication Equipment names. CIEN ranks #1 (25.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CIEN |
Ciena Corp
This page
|
15,174 | $7,443,757 | |
| 2 | AAOI |
Applied Optoelectronics, Inc.
|
22,446 | $3,325,599 | |
| 3 | EXTR |
Extreme Networks Inc
|
90,586 | $2,932,268 | |
| 4 | VSAT |
Viasat Inc
|
27,953 | $2,510,458 | |
| 5 | VISN |
Vistance Networks, Inc.
|
174,375 | $2,228,512 | |
| 6 | HPE |
Hewlett Packard Enterprise Co
|
41,733 | $1,882,575 | |
| 7 | DGII |
Digi International Inc
|
23,547 | $1,764,847 | |
| 8 | ADTN |
ADTRAN Holdings, Inc.
|
124,994 | $1,737,416 |
All Filings in CIEN
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,443,757 | 15,174 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $5,022,531 | 12,937 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,927,088 | 8,240 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $20,062,691 | 137,727 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $575,653 | 7,078 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,336,651 | 22,119 | Shares | Defined | 2025-05-15 | |
| 2024-06-30 | $744,332 | 15,449 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $263,815 | 5,335 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $511,943 | 11,374 | Shares | Defined | 2024-02-14 | |
| 2023-06-30 | $374,294 | 8,809 | Shares | Defined | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||