Position in CIEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$377,239
-$3,244,512 QoQ
Shares Held
769
-98.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#836
of 1,218 holders
Holding Since
Sep 2020
8 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, 2026Magnetar Financial LLC holds $2,894,840 across 7 Communication Equipment names. CIEN ranks #4 (13.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GILT |
Gilat Satellite Networks Ltd
|
39,842 | $530,296 | |
| 2 | EXTR |
Extreme Networks Inc
|
15,579 | $504,291 | |
| 3 | VIAV |
Viavi Solutions Inc.
|
8,938 | $426,788 | |
| 4 | CIEN |
Ciena Corp
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|
769 | $377,239 | |
| 5 | LITE |
Lumentum Holdings Inc.
|
412 | $353,520 | |
| 6 | ADTN |
ADTRAN Holdings, Inc.
|
25,297 | $351,628 | |
| 7 | HLIT |
Harmonic Inc.
|
21,499 | $351,078 |
All Filings in CIEN
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $377,239 | 769 | Shares | Sole | 2026-08-14 | |
| 2025-03-31 | $3,621,751 | 59,933 | Shares | Sole | 2025-05-15 | |
| 2023-06-30 | $699,257 | 16,457 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $903,449 | 17,202 | Shares | Sole | 2023-05-15 | |
| 2021-09-30 | $1,170,420 | 22,793 | Shares | Sole | 2022-01-14 | |
| 2021-06-30 | $561,788 | 9,875 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $233,544 | 4,268 | Shares | Sole | 2021-05-14 | |
| 2020-09-30 | $330,022 | 8,315 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||