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Gulf International Bank (UK) Ltd

Bank

Position in CIEN — Ciena Corp

CIK 1598697 LONDON, X0

Position in CIEN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$5,253,407
+$1,028,300 QoQ
Shares Held
10,709
-1.6% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#378
of 1,217 holders
Holding Since
Dec 2025
3 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

Gulf International Bank (UK) Ltd holds $57,163,903 across 6 Communication Equipment names. CIEN ranks #2 (9.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CIEN
Ciena Corp
This page
10,709 $5,253,407

All Filings in CIEN

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,253,407 10,709
2026-03-31 $4,225,107 10,883
2025-12-31 $1,770,863 7,572