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CITADEL ADVISORS LLC

Position in CIEN — Ciena Corp

CIK 1423053 MIAMI, FL

Position in CIEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$54,521,079
-$113,806,151 QoQ
Shares Held
140,435
-80.5% QoQ
Ownership
0.099%
of shares outstanding
% of Portfolio
0.04%
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)

Derivatives in CIEN

reported options exposure · as of Mar 31, 2026
CallValue
$169,384,749
CallShares
436,300
PutValue
$101,095,092
PutShares
260,400

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 Mar 31, 2026

CITADEL ADVISORS LLC holds $740,027,272 across 35 Communication Equipment names. CIEN ranks #6 (7.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 CIEN
Ciena Corp
This page
140,435 $54,521,079

All Filings in CIEN

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50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $169,384,749 436,300
2026-03-31 $54,521,079 140,435
2026-03-31 $101,095,092 260,400
2025-12-31 $63,799,736 272,800
2025-12-31 $168,327,230 719,747
2025-12-31 $73,341,632 313,600
2025-09-30 $29,541,876 202,800
2025-09-30 $158,274,679 1,086,529
2025-09-30 $43,555,330 299,000
2025-06-30 $24,049,281 295,700
2025-06-30 $19,210,146 236,200
2025-06-30 $777,840 9,564
2025-03-31 $23,398,496 387,200
2025-03-31 $23,670,491 391,701
2025-03-31 $24,020,925 397,500
2024-12-31 $22,008,195 259,500
2024-12-31 $37,707,882 444,616
2024-12-31 $30,116,031 355,100
2024-09-30 $36,469,224 592,129
2024-09-30 $11,702,100 190,000
2024-09-30 $3,510,630 57,000
2024-06-30 $3,223,242 66,900
2024-06-30 $8,739,852 181,400
2024-06-30 $3,381,320 70,181
2024-03-31 $3,783,963 76,521
2024-03-31 $15,670,705 316,900
2024-03-31 $8,416,390 170,200
2023-12-31 $13,192,431 293,100
2023-12-31 $2,423,832 53,851
2023-12-31 $4,343,465 96,500
2023-09-30 $7,207,150 152,500
2023-09-30 $16,153,468 341,800
2023-09-30 $54,670,650 1,156,806
2023-06-30 $13,838,993 325,700
2023-06-30 $5,948,600 140,000
2023-06-30 $34,432,450 810,366
2023-03-31 $23,240,100 442,500
2023-03-31 $9,771,660 186,056
2023-03-31 $12,053,340 229,500
2022-12-31 $10,333,646 202,700
2022-12-31 $34,629,234 679,271
2022-12-31 $21,472,776 421,200
2022-09-30 $13,827,060 342,000
2022-09-30 $7,127,809 176,300
2022-09-30 $2,471,122 61,121
2022-06-30 $12,229,320 267,600
2022-06-30 $7,088,070 155,100
2022-06-30 $15,219,242 333,025
2022-03-31 $7,760,943 128,005
2022-03-31 $11,816,787 194,900