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ACADIAN ASSET MANAGEMENT LLC

Position in CIEN — Ciena Corp

CIK 916542 Boston, MA

Position in CIEN

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$128,162,875
+$61,986,085 QoQ
Shares Held
330,121
+16.7% QoQ
Ownership
0.233%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.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

ACADIAN ASSET MANAGEMENT LLC holds $1,370,254,009 across 28 Communication Equipment names. CIEN ranks #4 (9.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CIEN
Ciena Corp
This page
330,121 $128,162,875

All Filings in CIEN

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $128,162,875 330,121
2025-12-31 $66,176,790 282,964
2025-09-30 $34,011,031 233,480
2025-06-30 $4,400,440 54,106
2025-03-31 $3,707,017 61,344
2024-09-30 $407,602 6,618
2024-06-30 $412,709 8,566
2024-03-31 $423,588 8,566
2023-12-31 $462,027 10,265
2023-09-30 $1,182,161 25,014
2023-06-30 $363,969 8,566
2023-03-31 $920,360 17,524
2022-12-31 $4,563,780 89,521
2022-09-30 $37,603,457 930,088
2022-06-30 $97,652,308 2,136,812
2022-03-31 $132,631,277 2,187,552
2021-12-31 $114,477,019 1,487,294
2021-09-30 $59,818,025 1,164,908
2021-06-30 $66,345,573 1,166,208
2021-03-31 $56,083,731 1,024,922
2020-12-31 $69,219,547 1,309,736
2020-09-30 $50,492,863 1,272,181
2020-06-30 $61,067,024 1,127,530
2020-03-31 $38,826,852 975,304