Position in CIEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$71,679,646
-$133,077,126 QoQ
Shares Held
146,118
-72.3% QoQ
Ownership
0.103%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#88
of 1,226 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 89%
Shared 0%
None 11%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026ALLIANCEBERNSTEIN L.P. holds $3,556,705,424 across 26 Communication Equipment names. CIEN ranks #5 (2.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
12,828,322 | $1,506,814,702 | |
| 2 | MSI |
Motorola Solutions, Inc.
|
3,467,385 | $1,439,970,316 | |
| 3 | VIAV |
Viavi Solutions Inc.
|
3,584,420 | $171,156,055 | |
| 4 | ZBRA |
Zebra Technologies Corp
|
416,602 | $109,674,642 | |
| 5 | CIEN |
Ciena Corp
This page
|
146,118 | $71,679,646 | |
| 6 | LITE |
Lumentum Holdings Inc.
|
79,631 | $68,328,175 | |
| 7 | HPE |
Hewlett Packard Enterprise Co
|
1,487,665 | $67,108,568 | |
| 8 | EXTR |
Extreme Networks Inc
|
1,430,310 | $46,299,134 |
All Filings in CIEN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $71,679,646 | 146,118 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $204,756,772 | 527,411 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $83,624,895 | 357,570 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $37,009,939 | 254,067 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $28,192,556 | 346,644 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $26,076,572 | 431,517 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $37,599,071 | 443,333 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $26,930,473 | 437,254 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $19,527,691 | 405,307 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $12,087,310 | 244,435 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $12,073,032 | 268,230 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $121,611,889 | 2,573,252 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $116,721,304 | 2,747,030 | Shares | Defined | 2023-08-15 | |
| 2023-03-31 | $226,360,097 | 4,309,979 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $177,199,852 | 3,475,870 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $178,372,753 | 4,411,891 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $224,497,959 | 4,912,428 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $318,524,373 | 5,253,577 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $390,113,978 | 5,068,390 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $187,867,415 | 3,658,567 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $186,419,313 | 3,276,838 | Shares | Defined | 2021-07-30 | |
| 2021-03-31 | $139,954,170 | 2,557,642 | Shares | Defined | 2021-05-06 | |
| 2020-12-31 | $138,712,646 | 2,624,648 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $134,668,844 | 3,393,017 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $191,726,724 | 3,540,006 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $169,427,100 | 4,255,893 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||