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VANGUARD GROUP INC

Position in CIEN — Ciena Corp

CIK 102909 Valley Forge, PA

Position in CIEN

as of Dec 31, 2025 · filed Jan 29, 2026
Position Value
$3,362,250,527
+$1,167,207,277 QoQ
Shares Held
14,376,579
-4.6% QoQ
Ownership
10.2%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 0% Shared 6% None 94%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Dec 31, 2025

VANGUARD GROUP INC holds $55,894,798,810 across 33 Communication Equipment names. CIEN ranks #4 (6.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CIEN
Ciena Corp
This page
14,376,579 $3,362,250,527

All Filings in CIEN

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24 filing rows on record
Report Date Value (USD) Shares
2025-12-31 $3,362,250,527 14,376,579
2025-09-30 $2,195,043,250 15,068,602
2025-06-30 $1,227,143,229 15,088,445
2025-03-31 $905,558,414 14,985,246
2024-12-31 $1,299,004,235 15,316,640
2024-09-30 $934,732,889 15,176,699
2024-06-30 $721,538,185 14,975,886
2024-03-31 $742,614,383 15,017,480
2023-12-31 $676,323,453 15,026,071
2023-09-30 $712,902,637 15,084,694
2023-06-30 $634,321,736 14,928,730
2023-03-31 $765,451,845 14,574,483
2022-12-31 $731,214,957 14,343,173
2022-09-30 $579,466,612 14,332,590
2022-06-30 $664,738,443 14,545,699
2022-03-31 $870,493,222 14,357,467
2021-12-31 $1,119,850,690 14,549,184
2021-09-30 $745,570,419 14,519,385
2021-06-30 $832,571,381 14,634,758
2021-03-31 $802,354,432 14,662,910
2020-12-31 $756,428,676 14,312,747
2020-09-30 $559,130,095 14,087,430
2020-06-30 $793,561,633 14,652,172
2020-03-31 $589,974,802 14,819,764