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Calamos Advisors LLC

Position in CIEN — Ciena Corp

CIK 1316507 NAPERVILLE, IL

Position in CIEN

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$10,891,903
+$2,916,496 QoQ
Shares Held
22,203
+8.1% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#267
of 1,218 holders
Holding Since
Mar 2023
14 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

Calamos Advisors LLC holds $224,408,837 across 7 Communication Equipment names. CIEN ranks #5 (4.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CIEN
Ciena Corp
This page
22,203 $10,891,903

All Filings in CIEN

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,891,903 22,203
2026-03-31 $7,975,407 20,543
2025-12-31 $3,429,469 14,664
2025-09-30 $9,331,474 64,059
2025-06-30 $1,785,599 21,955
2025-03-31 $1,157,596 19,156
2024-12-31 $1,406,997 16,590
2024-09-30 $1,021,778 16,590
2024-06-30 $799,306 16,590
2024-03-31 $688,492 13,923
2023-12-31 $513,114 11,400
2023-09-30 $499,112 10,561
2023-06-30 $448,736 10,561
2023-03-31 $1,633,108 31,095