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Quantbot Technologies LP

Position in CIEN — Ciena Corp

CIK 1512991 NEW YORK, NY

Position in CIEN

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,603,150
-$1,260,434 QoQ
Shares Held
3,268
-55.7% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#550
of 1,225 holders
Holding Since
Dec 2021
6 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

Quantbot Technologies LP holds $21,844,325 across 18 Communication Equipment names. CIEN ranks #5 (7.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CIEN
Ciena Corp
This page
3,268 $1,603,150

All Filings in CIEN

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,603,150 3,268
2026-03-31 $2,863,584 7,376
2025-09-30 $641,822 4,406
2023-03-31 $636,069 12,111
2022-12-31 $2,414,973 47,371
2021-12-31 $58,651 762