Position in CIEN
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$6,239,184,406
+$1,047,079,091 QoQ
Shares Held
12,718,494
-4.9% QoQ
Ownership
8.98%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#2
of 1,225 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 91%
Shared 0%
None 9%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026BlackRock, Inc. holds $78,519,469,707 across 38 Communication Equipment names. CIEN ranks #4 (7.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
358,672,289 | $42,129,647,054 | |
| 2 | LITE |
Lumentum Holdings Inc.
|
9,179,958 | $7,876,954,751 | |
| 3 | MSI |
Motorola Solutions, Inc.
|
15,900,993 | $6,603,523,373 | |
| 4 | CIEN |
Ciena Corp
This page
|
12,718,494 | $6,239,184,406 | |
| 5 | HPE |
Hewlett Packard Enterprise Co
|
134,059,655 | $6,047,431,028 | |
| 6 | VSAT |
Viasat Inc
|
20,747,957 | $1,863,374,011 | |
| 7 | ASTS |
AST SpaceMobile, Inc.
|
15,273,481 | $1,357,201,513 | |
| 8 | VIAV |
Viavi Solutions Inc.
|
25,728,357 | $1,228,529,041 |
All Filings in CIEN
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,239,184,406 | 12,718,494 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $5,192,105,315 | 13,373,787 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,898,339,263 | 16,668,830 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,271,885,481 | 15,596,111 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,388,075,201 | 17,067,198 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,029,684,951 | 17,039,301 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,450,390,079 | 17,101,640 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $994,777,651 | 16,151,610 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||