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CRAMER ROSENTHAL MCGLYNN LLC

Position in CIEN — Ciena Corp

CIK 820743 STAMFORD, CT

Position in CIEN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,728,056
-$876,526 QoQ
Shares Held
21,869
-26.8% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
#269
of 1,218 holders
Holding Since
Jun 2022
17 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, 2026

CRAMER ROSENTHAL MCGLYNN LLC holds $18,068,472 across 2 Communication Equipment names. CIEN ranks #1 (59.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
21,869 $10,728,056

All Filings in CIEN

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,728,056 21,869
2026-03-31 $11,604,582 29,891
2025-12-31 $22,583,422 96,564
2025-09-30 $26,326,939 180,730
2025-06-30 $37,858,383 465,491
2025-03-31 $24,109,938 398,973
2024-12-31 $36,182,151 426,626
2024-09-30 $43,187,400 701,208
2024-06-30 $23,485,244 487,448
2024-03-31 $23,312,955 471,445
2023-12-31 $26,231,782 582,799
2023-09-30 $28,531,192 603,707
2023-06-30 $26,588,075 625,749
2023-03-31 $31,626,388 602,178
2022-12-31 $30,197,442 592,339
2022-09-30 $2,253,487 55,738
2022-06-30 $2,336,366 51,124