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PEAK6 LLC

Position in CIEN — Ciena Corp

CIK 1389958 AUSTIN, TX

Position in CIEN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$21,864,259
+$20,921,249 QoQ
Shares Held
44,570
+1734.9% QoQ
Ownership
0.031%
of shares outstanding
% of Portfolio
0.55%
of 13F equity value
Holder Rank
#194
of 1,218 holders
Holding Since
Dec 2024
7 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
$2,943,360
CallShares
6,000
PutValue
$2,109,408
PutShares
4,300

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

PEAK6 LLC holds $30,270,103 across 8 Communication Equipment names. CIEN ranks #1 (72.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
44,570 $21,864,259

All Filings in CIEN

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,109,408 4,300
2026-06-30 $21,864,259 44,570
2026-06-30 $2,943,360 6,000
2026-03-31 $465,876 1,200
2026-03-31 $943,010 2,429
2026-03-31 $9,123,405 23,500
2025-12-31 $30,284,761 129,494
2025-12-31 $36,694,203 156,900
2025-09-30 $56,505,393 387,900
2025-09-30 $3,000,802 20,600
2025-09-30 $342,907 2,354
2025-06-30 $609,975 7,500
2025-06-30 $3,180,003 39,100
2025-06-30 $13,525,666 166,306
2025-03-31 $10,424,175 172,500
2025-03-31 $8,442,071 139,700
2024-12-31 $47,892,207 564,700
2024-12-31 $16,079,976 189,600