Position in CIEN
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$5,751,816
+$937,764 QoQ
Shares Held
11,725
-5.4% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
1.03%
of 13F equity value
Holder Rank
#366
of 1,218 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026JOHN G ULLMAN & ASSOCIATES INC holds $7,410,445 across 2 Communication Equipment names. CIEN ranks #1 (77.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CIEN |
Ciena Corp
This page
|
11,725 | $5,751,816 | |
| 2 | LITE |
Lumentum Holdings Inc.
|
1,933 | $1,658,629 |
All Filings in CIEN
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23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,751,816 | 11,725 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $4,814,052 | 12,400 | Shares | Sole | 2026-05-06 | |
| 2025-12-31 | $3,858,855 | 16,500 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $2,432,689 | 16,700 | Shares | Sole | 2025-11-05 | |
| 2025-06-30 | $1,358,211 | 16,700 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $1,009,181 | 16,700 | Shares | Sole | 2025-05-06 | |
| 2024-12-31 | $1,450,251 | 17,100 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $1,053,189 | 17,100 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $843,150 | 17,500 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $815,925 | 16,500 | Shares | Sole | 2024-05-06 | |
| 2023-12-31 | $657,146 | 14,600 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $680,544 | 14,400 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $624,603 | 14,700 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $577,720 | 11,000 | Shares | Sole | 2023-05-05 | |
| 2022-12-31 | $560,780 | 11,000 | Shares | Sole | 2023-02-08 | |
| 2022-09-30 | $258,752 | 6,400 | Shares | Sole | 2022-10-19 | |
| 2022-06-30 | $292,480 | 6,400 | Shares | Sole | 2022-07-27 | |
| 2022-03-31 | $333,465 | 5,500 | Shares | Sole | 2022-04-29 | |
| 2021-12-31 | $423,335 | 5,500 | Shares | Sole | 2022-01-26 | |
| 2021-09-30 | $277,290 | 5,400 | Shares | Sole | 2021-11-02 | |
| 2021-06-30 | $318,584 | 5,600 | Shares | Sole | 2021-07-23 | |
| 2021-03-31 | $306,432 | 5,600 | Shares | Sole | 2021-04-22 | |
| 2020-12-31 | $295,960 | 5,600 | Shares | Sole | 2021-02-05 | |
| No filing history on record for this holder in this stock. | ||||||