Position in CIEN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,604,582
-$10,978,840 QoQ
Shares Held
29,891
-69.0% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.85%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
16 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, 2026CRAMER ROSENTHAL MCGLYNN LLC holds $24,734,429 across 3 Communication Equipment names. CIEN ranks #1 (46.9% of the industry book) .
All Filings in CIEN
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16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,604,582 | 29,891 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $22,583,422 | 96,564 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $26,326,939 | 180,730 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $37,858,383 | 465,491 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $24,109,938 | 398,973 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $36,182,151 | 426,626 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $43,187,400 | 701,208 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $23,485,244 | 487,448 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $23,312,955 | 471,445 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $26,231,782 | 582,799 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $28,531,192 | 603,707 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $26,588,075 | 625,749 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $31,626,388 | 602,178 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $30,197,442 | 592,339 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $2,253,487 | 55,738 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,336,366 | 51,124 | Shares | Sole | 2022-08-12 | |
| No filing history on record for this holder in this stock. | ||||||