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PRICE T ROWE ASSOCIATES INC /MD/

Position in CIEN — Ciena Corp

CIK 80255 BALTIMORE, MD

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,997,266,474
-$38,146,545 QoQ
Shares Held
4,071,401
-22.3% QoQ
Ownership
2.88%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#7
of 1,218 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $10,212,678,529 across 26 Communication Equipment names. CIEN ranks #2 (19.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CIEN
Ciena Corp
This page
4,071,401 $1,997,266,474

All Filings in CIEN

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,997,266,474 4,071,401
2026-03-31 $2,035,413,019 5,242,802
2025-12-31 $947,553,538 4,051,625
2025-09-30 $385,660,305 2,647,493
2025-06-30 $21,326,596 262,223
2025-03-31 $70,700,017 1,169,949
2024-12-31 $392,344,035 4,626,153
2024-09-30 $96,281,799 1,563,270
2024-06-30 $63,006,238 1,307,726
2024-03-31 $101,985,383 2,062,394
2023-12-31 $4,540,653 100,881
2023-09-30 $4,526,468 95,778
2023-06-30 $3,847,809 90,558
2023-03-31 $5,427,994 103,351
2022-12-31 $5,129,862 100,625
2022-09-30 $4,955,990 122,582
2022-06-30 $5,576,131 122,016
2022-03-31 $6,857,434 113,103
2021-12-31 $8,415,976 109,341
2021-09-30 $4,521,162 88,046
2021-06-30 $5,068,386 89,091
2021-03-31 $5,034,951 92,013
2020-12-31 $4,418,999 83,614
2020-09-30 $3,634,254 91,566
2020-06-30 $4,861,130 89,755
2020-03-31 $3,530,111 88,674