Security key
171779309
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 134,005,592
- Total 13F value
- $6,036,621,954
- Share change
- -1,607,299
- Put/Call ratio
- 57%
- SEC-reported price per share
- $45.01
- Number of holders
- 448
- Value change
- -$79,214,547
- Number of buys
- 177
- Number of sells
- 248
- Shares outstanding
- 141,581,761
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2023
Institutions
448
Top holders
10
CIEN full security history
Ownership snapshot
Full 13F holder table
CIENA CORP SEC filings
CIENA CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of CIEN - CIENA CORP - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 11%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 11%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
11%
VANGUARD GROUP INC
11%
FMR LLC
6.3%
BNP Paribas Asset Management Hold...
3.3%
STATE STREET CORP
3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
11%
|
$764,266,978
16,171,540 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$712,902,638
15,084,694 shares
|
— | 30 Sep 2023 |
| FMR LLC |
13F
Company
|
6.3%
|
$422,534,643
8,940,640 shares
|
— | 30 Sep 2023 |
| BNP Paribas Asset Management Holding S.A. |
13F
Company
|
3.3%
|
$219,893,000
4,652,822 shares
|
— | 30 Sep 2023 |
| STATE STREET CORP |
13F
Company
|
3%
|
$200,926,079
4,251,504 shares
|
— | 30 Sep 2023 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
2.7%
|
$180,966,497
3,829,168 shares
|
— | 30 Sep 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
448
Shares
134,005,592
Rows available
448
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
466
Q4 2023 holders
448
Holder diff
-18
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|