Position in CIEN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$908,413,121
+$700,383,182 QoQ
Shares Held
1,851,788
+245.6% QoQ
Ownership
1.31%
of shares outstanding
% of Portfolio
0.41%
of 13F equity value
Holder Rank
#9
of 1,226 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 95%
Shared 5%
None 0%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026AMERICAN CENTURY COMPANIES INC holds $2,426,084,811 across 30 Communication Equipment names. CIEN ranks #1 (37.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CIEN |
Ciena Corp
This page
|
1,851,788 | $908,413,121 | |
| 2 | VSAT |
Viasat Inc
|
5,736,575 | $515,201,800 | |
| 3 | CSCO |
Cisco Systems, Inc.
|
3,307,689 | $388,521,149 | |
| 4 | LITE |
Lumentum Holdings Inc.
|
175,346 | $150,457,388 | |
| 5 | MSI |
Motorola Solutions, Inc.
|
231,521 | $96,148,356 | |
| 6 | EXTR |
Extreme Networks Inc
|
2,481,691 | $80,332,337 | |
| 7 | HPE |
Hewlett Packard Enterprise Co
|
1,281,099 | $57,790,375 | |
| 8 | HLIT |
Harmonic Inc.
|
3,215,450 | $52,508,298 |
All Filings in CIEN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $908,413,121 | 1,851,788 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $208,029,939 | 535,842 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $59,110,876 | 252,751 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $85,325,765 | 585,747 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $38,937,225 | 478,756 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $2,959,619 | 48,976 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $3,791,939 | 44,711 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $2,712,546 | 44,042 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $2,080,942 | 43,191 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $15,851,939 | 320,565 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $20,156,423 | 447,821 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $19,639,412 | 415,561 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $25,650,660 | 603,687 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $29,219,554 | 556,351 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $22,101,155 | 433,526 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $788,748 | 19,509 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $891,789 | 19,514 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $1,043,078 | 17,204 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $1,192,727 | 15,496 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $688,654 | 13,411 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $664,418 | 11,679 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $521,153 | 9,524 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $1,184,738 | 22,417 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $2,302,972 | 58,024 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $2,631,742 | 48,592 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $2,019,441 | 50,727 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||