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Cornerstone Investment Partners, LLC

Position in CIEN — Ciena Corp

CIK 1328062 ATLANTA, GA

Position in CIEN

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$2,033,936
+$580,902 QoQ
Shares Held
5,239
-15.7% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
19 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

Cornerstone Investment Partners, LLC holds $1,312,363 across 3 Communication Equipment names.

# Ticker Company Shares Value (USD) Open

All Filings in CIEN

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19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,033,936 5,239
2025-12-31 $1,453,034 6,213
2025-09-30 $920,488 6,319
2025-06-30 $748,561 9,204
2025-03-31 $562,301 9,305
2024-12-31 $1,100,240 12,973
2024-09-30 $762,237 12,376
2024-06-30 $584,519 12,132
2024-03-31 $592,559 11,983
2023-12-31 $494,749 10,992
2023-09-30 $534,179 11,303
2023-06-30 $483,196 11,372
2023-03-31 $546,208 10,400
2022-12-31 $537,023 10,534
2022-09-30 $420,472 10,400
2022-06-30 $473,634 10,364
2022-03-31 $518,083 8,545
2021-12-31 $676,104 8,784
2021-09-30 $264,811 5,157