Position in CIEN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$710,072
-$251,834 QoQ
Shares Held
1,829
-55.5% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $19,937,801 across 34 Communication Equipment names. CIEN ranks #5 (3.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
120,723 | $9,366,896 | |
| 2 | LITE |
Lumentum Holdings Inc.
|
4,917 | $3,455,470 | |
| 3 | MSI |
Motorola Solutions, Inc.
|
3,912 | $1,697,690 | |
| 4 | ERIC |
Ericsson Lm Telephone Co
|
70,116 | $790,207 | |
| 5 | CIEN |
Ciena Corp
This page
|
1,829 | $710,072 | |
| 6 | AAOI |
Applied Optoelectronics, Inc.
|
7,867 | $665,468 | |
| 7 | VIAV |
Viavi Solutions Inc.
|
15,360 | $511,180 | |
| 8 | BDC |
Belden Inc.
|
4,000 | $459,320 |
All Filings in CIEN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $710,072 | 1,829 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $961,906 | 4,113 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $579,038 | 3,975 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $329,304 | 4,049 | Shares | Other | 2025-08-15 | |
| 2025-03-31 | $665,031 | 11,005 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $844,368 | 9,956 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $195,424 | 3,173 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $182,120 | 3,780 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $227,469 | 4,600 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $432,231 | 9,603 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $755,450 | 15,985 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $430,253 | 10,126 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $482,027 | 9,178 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $131,681 | 2,583 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $211,489 | 5,231 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $829,363 | 18,148 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $508,321 | 8,384 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $1,030,396 | 13,387 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $356,985 | 6,952 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $851,017 | 14,959 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $548,677 | 10,027 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $1,047,434 | 19,819 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $874,171 | 22,025 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $1,149,166 | 21,218 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $541,017 | 13,590 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||