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TWO SIGMA INVESTMENTS, LP

Position in CIEN — Ciena Corp

CIK 1179392 NEW YORK, NY

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,660,320
+$3,306,951 QoQ
Shares Held
9,500
+172.5% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#394
of 1,218 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Derivatives in CIEN

reported options exposure · as of Jun 30, 2026
CallValue
$2,992,416
CallShares
6,100
PutValue
$4,169,760
PutShares
8,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Communication Equipment

Technology · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $1,451,014,663 across 31 Communication Equipment names. CIEN ranks #13 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CIEN

Export CSV
31 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,660,320 9,500
2026-06-30 $2,992,416 6,100
2026-06-30 $4,169,760 8,500
2026-03-31 $388,230 1,000
2026-03-31 $737,637 1,900
2026-03-31 $1,353,369 3,486
2025-12-31 $4,934,890 21,101
2025-09-30 $3,073,782 21,101
2025-06-30 $9,824,989 120,804
2025-03-31 $28,103,817 465,064
2024-12-31 $3,595,689 42,397
2024-09-30 $3,522,948 57,200
2024-06-30 $5,483,028 113,803
2024-03-31 $1,275,810 25,800
2023-12-31 $17,848,625 396,548
2023-09-30 $5,908,681 125,025
2023-06-30 $794,563 18,700
2023-03-31 $446,420 8,500
2022-12-31 $433,992 8,513
2021-09-30 $1,006,460 19,600
2021-09-30 $626,470 12,200
2020-12-31 $1,643,635 31,100
2020-12-31 $607,775 11,500
2020-09-30 $317,520 8,000
2020-09-30 $396,900 10,000
2020-06-30 $482,024 8,900
2020-06-30 $22,306,554 411,864
2020-06-30 $482,024 8,900
2020-03-31 $9,430,949 236,899
2020-03-31 $1,043,022 26,200
2020-03-31 $816,105 20,500