CIENCiena Corporation

CSNew York Stock Exchange (XNYS)·USD

Identity

Security key: 13415
Ticker: CIEN
Type: CS — Common Stock
Exchange: New York Stock Exchange(XNYS)
Venue group: NYSE
Operating MIC: XNYS
Market: stocks
Locale: us
Currency: USD
Listed: 1997-02-07
Round lot: 40
Active: Yes
Last seen in a load: 2026-08-14 20:49
Vendor updated: 2026-08-13 06:09
Ticker root / suffix: CIEN

Detail

Enriched 2026-08-14 20:47

Market cap: $61,157,939,950.1
Shares outstanding (class): 141,552,922
Shares outstanding (weighted): 141,552,922
SIC: 3661 TELEPHONE & TELEGRAPH APPARATUS
Employees: 9,080
Location: HANOVER, MD
Homepage: https://www.ciena.com
Description: Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.

Market cap and share counts drift.

Funds holding this security

442 funds · 448 positions · $13.03B reported value, as of 2026-03-31

All holders →

Fund	Ticker	Position value	% of fund	Balance	Match
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS	VTI	$1.74B	0.09%	4,489,155 NS	FIGI
VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS	VOO	$1.39B	0.10%	3,578,900 NS	FIGI
JPMorgan Large Cap Growth Fund JPMorgan Trust II	—	$1.29B	1.20%	3,327,347 NS	FIGI
iShares Core S&P 500 ETF iShares Trust	IVV	$703.24M	0.10%	1,811,397 NS	FIGI
N/A —	—	$635.91M	0.10%	1,637,980 NS	FIGI
VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS	VB	$633.18M	0.38%	1,630,946 NS	FIGI
VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS	VO	$593.04M	0.30%	1,527,546 NS	FIGI
State Street(R) Technology Select Sector SPDR(R… SELECT SECTOR SPDR TRUST	XLK	$410.08M	0.49%	1,056,287 NS	FIGI
VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS	VUG	$361.45M	0.11%	931,019 NS	FIGI
VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS	VBK	$354.30M	0.92%	912,598 NS	FIGI
VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS	—	$308.33M	0.10%	794,202 NS	FIGI
iShares Russell Mid-Cap ETF iShares Trust	IWR	$209.22M	0.43%	538,914 NS	FIGI
VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS	VOT	$208.86M	0.71%	537,991 NS	FIGI
JPMorgan Growth Advantage Fund J.P. Morgan Mutual Fund Investment Trust	—	$203.64M	1.01%	524,541 NS	FIGI
T. Rowe Price Large-Cap Growth Fund T. Rowe Price Equity Funds, Inc.	—	$165.68M	0.88%	426,765 NS	FIGI

How positions resolve to the securities master. FIGI_COMPOSITE is exact identifier equality — both sides got the FIGI from Bloomberg. TICKER is a narrow fallback used only where the master row carries no FIGI at all (2,389 rows do not, disproportionately Irish-domiciled US listings like LIN and ACN). Roughly 22% of all positions resolve to the master.

Funds holding this security

Identifiers

master.security_identifier

TICKERCIEN
FIGI_COMPOSITEBBG000BP1152
FIGI_SHARE_CLASSBBG001S61J73
CIK0000936395
ISINUS1717793095
Resolved through OpenFIGI from a holdings ISIN, not supplied by the securities vendor.

Identifiers

Classification

classification.v_security_classification

Asset class: Equity
Sector: Information Technology
Industry: Electronic Equipment
Source: LLMunreviewed
Self-reported confidence: 0.9
Model: deepseek
Rationale: Ciena is a networking equipment manufacturer, fitting the technology hardware category.

Classifications are unreviewed model output. All 5,771 assignments carry source = LLM and is_reviewed = false. Confidence is the model’s own estimate and is not calibrated — it clustered at 0.90–0.98 across the whole first pass, including rows that later proved wrong. Use it to order a review queue, not as a probability. Two share classes of one issuer can disagree.

Classification

Fund data

Not linked to a fund series.

Either this is not a fund, or it is one the SEC share-class snapshot cannot reach — commodity trusts and notes have no series ID at all.