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SG Americas Securities, LLC

Broker-Dealer

Position in CIEN — Ciena Corp

CIK 1313360 NEW YORK, NY

Position in CIEN

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$230,585,765
+$156,453,635 QoQ
Shares Held
470,046
+146.2% QoQ
Ownership
0.332%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#34
of 1,226 holders
Holding Since
Mar 2020
25 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

SG Americas Securities, LLC holds $2,626,886,719 across 22 Communication Equipment names. CIEN ranks #4 (8.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CIEN
Ciena Corp
This page
470,046 $230,585,765

All Filings in CIEN

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $230,585,765 470,046
2026-03-31 $74,132,130 190,949
2025-12-31 $18,055,933 77,205
2025-06-30 $808,908 9,946
2025-03-31 $579,584 9,591
2024-12-31 $294,714 3,475
2024-09-30 $209,406 3,400
2024-06-30 $2,161,065 44,854
2024-03-31 $174,459 3,528
2023-12-31 $833,990 18,529
2023-09-30 $424,725 8,987
2023-06-30 $143,276 3,372
2023-03-31 $1,540,201 29,326
2022-12-31 $764,903 15,004
2022-09-30 $446,064 11,033
2022-06-30 $509,189 11,142
2022-03-31 $1,228,606 20,264
2021-12-31 $1,428,717 18,562
2021-09-30 $151,277 2,946
2021-06-30 $4,339,284 76,275
2021-03-31 $1,512,898 27,648
2020-12-31 $1,213,383 22,959
2020-09-30 $1,231,263 31,022
2020-06-30 $2,779,437 51,319
2020-03-31 $1,106,757 27,801