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MARSHALL WACE, LLP

Position in CIEN — Ciena Corp

CIK 1318757 LONDON, X0

Position in CIEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$48,908,049
+$36,465,933 QoQ
Shares Held
125,977
+136.8% QoQ
Ownership
0.089%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Mar 31, 2026

MARSHALL WACE, LLP holds $536,545,247 across 30 Communication Equipment names. CIEN ranks #3 (9.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
125,977 $48,908,049

All Filings in CIEN

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $48,908,049 125,977
2025-12-31 $12,442,116 53,201
2025-09-30 $27,588,876 189,393
2025-06-30 $13,149,839 161,685
2025-03-31 $33,911,683 561,173
2024-12-31 $76,314,412 899,828
2024-09-30 $1,284,089 20,849
2024-06-30 $202,356 4,200
2023-12-31 $3,496,871 77,691
2023-03-31 $8,462,914 161,137
2022-12-31 $16,155,562 316,900
2022-09-30 $27,251,073 674,031
2022-06-30 $21,397,791 468,223
2022-03-31 $36,920,456 608,947
2021-12-31 $11,894,096 154,529
2020-09-30 $657,306 16,561
2020-06-30 $8,742,073 161,412
2020-03-31 $7,207,640 181,051