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Assenagon Asset Management S.A.

Position in CIEN — Ciena Corp

CIK 1546007 SENNINGERBERG, N4

Position in CIEN

as of Jun 30, 2026 · filed Jul 8, 2026
Position Value
$104,980,821
-$36,547,260 QoQ
Shares Held
214,002
-41.3% QoQ
Ownership
0.151%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#1
of 87 holders
Holding Since
Jun 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 Jun 30, 2026

Assenagon Asset Management S.A. holds $495,329,228 across 13 Communication Equipment names. CIEN ranks #1 (21.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
214,002 $104,980,821

All Filings in CIEN

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $104,980,821 214,002
2026-03-31 $141,528,081 364,547
2025-12-31 $120,265,776 514,242
2025-09-30 $149,043,280 1,023,157
2025-06-30 $64,028,343 787,266
2025-03-31 $2,398,466 39,690
2024-09-30 $6,078,625 98,695
2024-06-30 $10,893,594 226,102
2024-03-31 $30,236,894 611,464
2023-12-31 $24,213,534 537,959
2023-09-30 $28,168,755 596,038
2023-06-30 $5,096,080 119,936
2023-03-31 $17,702,181 337,056
2022-12-31 $8,063,710 158,174
2022-09-30 $2,131,469 52,720
2022-06-30 $3,443,495 75,350
2022-03-31 $20,460,017 337,457
2021-12-31 $4,590,105 59,635
2021-09-30 $4,095,419 79,755
2021-06-30 $17,123,662 300,996
2021-03-31 $8,210,790 150,051
2020-12-31 $1,389,479 26,291
2020-09-30 $784,909 19,776
2020-06-30 $997,898 18,425