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HARBOUR INVESTMENTS, INC.

Position in CIEN — Ciena Corp

CIK 810121 MADISON, WI

Position in CIEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,696,953
+$1,448,584 QoQ
Shares Held
4,371
+311.6% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2021
20 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 Mar 31, 2026

HARBOUR INVESTMENTS, INC. holds $10,970,768 across 20 Communication Equipment names. CIEN ranks #3 (15.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
4,371 $1,696,953

All Filings in CIEN

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20 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,696,953 4,371
2025-12-31 $248,369 1,062
2025-09-30 $50,693 348
2025-06-30 $16,753 206
2025-03-31 $12,206 202
2024-12-31 $16,962 200
2024-09-30 $12,318 200
2024-06-30 $9,636 200
2024-03-31 $9,890 200
2023-12-31 $13,007 289
2023-09-30 $13,658 289
2023-06-30 $8,498 200
2023-03-31 $10,504 200
2022-12-31 $10,196 200
2022-09-30 $16,818 416
2022-06-30 $19,011 416
2021-12-31 $15,394 200
2021-09-30 $10,270 200
2021-06-30 $12,970 228
2021-03-31 $20,793 380