CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in CIEN — Ciena Corp
CIK 1081019
WEST SACRAMENTO, CA
Position in CIEN
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$104,748,295
+$23,340,735 QoQ
Shares Held
213,528
+1.8% QoQ
Ownership
0.151%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,211,580,431 across 25 Communication Equipment names. CIEN ranks #3 (8.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
6,011,664 | $706,130,053 | |
| 2 | MSI |
Motorola Solutions, Inc.
|
256,825 | $106,656,854 | |
| 3 | CIEN |
Ciena Corp
This page
|
213,528 | $104,748,295 | |
| 4 | HPE |
Hewlett Packard Enterprise Co
|
2,050,202 | $92,484,612 | |
| 5 | LITE |
Lumentum Holdings Inc.
|
107,495 | $92,237,159 | |
| 6 | ASTS |
AST SpaceMobile, Inc.
|
354,789 | $31,526,550 | |
| 7 | ZBRA |
Zebra Technologies Corp
|
55,983 | $14,738,084 | |
| 8 | VIAV |
Viavi Solutions Inc.
|
267,504 | $12,773,316 |
All Filings in CIEN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $104,748,295 | 213,528 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $81,407,560 | 209,689 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $50,231,534 | 214,784 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $19,437,622 | 133,436 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,847,958 | 133,382 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $8,072,058 | 133,577 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $11,458,255 | 135,105 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $8,437,522 | 136,995 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $6,845,221 | 142,076 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $7,224,595 | 146,099 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $7,074,536 | 157,177 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $7,849,129 | 166,084 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $7,725,276 | 181,814 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $9,770,978 | 186,043 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $9,691,552 | 190,105 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $7,713,033 | 190,775 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $8,965,151 | 196,174 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $12,065,976 | 199,010 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $16,591,653 | 215,560 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $13,327,738 | 259,547 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $14,931,121 | 262,456 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $14,532,428 | 265,578 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $14,069,462 | 266,215 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $10,413,068 | 262,360 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $13,924,969 | 257,108 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $10,147,011 | 254,886 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||