# CIENA CORP COM NEW

CIENA CORP COM NEW is a security (CUSIP 171779309) tracked across SEC portfolio filings. 1,194 institutional managers reported $47.3B on Form 13F as of 2026-06-30; 89 registered fund positions totaling $6.8B via N-PORT as of 2026-06-30.

## Summary

- Issuer: CIENA CORP
- Class: COM NEW
- CUSIP: 171779309
- Asset category: EC
- 13F holders: 1,194
- 13F value: $47.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 89
- N-PORT value: $6.8B
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 1,194 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $8.2B | 21,209,756 |
| BlackRock, Inc. | New York, NY | $5.2B | 13,373,787 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $3.7B | 10,226,649 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.4B | 14,376,579 |
| STATE STREET CORP | BOSTON, MA | $2.4B | 6,309,050 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $1.6B | 4,065,559 |
| Capital Research Global Investors | Los Angeles, CA | $1.1B | 2,750,050 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $758.8M | 1,954,632 |
| Capital World Investors | LOS ANGELES, CA | $669.6M | 1,724,807 |
| [Jericho Capital Asset Management L.P.](https://search.stillhousedata.com/firm/156701) | New York, NY | $643.0M | 1,656,172 |
| MORGAN STANLEY | NEW YORK, NY | $606.2M | 1,561,554 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $559.5M | 53,112 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $539.0M | 1,388,477 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $493.9M | 1,272,258 |
| [Voya Investment Management LLC](https://search.stillhousedata.com/firm/108934) | Atlanta, GA | $467.9M | 1,205,099 |

## Top fund holders (N-PORT)

_Showing 15 of 89 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $3.7B | 375.68% |
| [New Economy Fund](https://search.stillhousedata.com/fund/S000009598) | New Economy Fund | $728.2M | 141.11% |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | State Street(R) SPDR(R) S&P 500(R) ETF Trust | $635.9M | 9.76% |
| [Invesco S&P 500 Equal Weight ETF](https://search.stillhousedata.com/fund/S000060812) | Invesco Exchange-Traded Fund Trust | $261.8M | 29.79% |
| [JPMorgan Growth Advantage Fund](https://search.stillhousedata.com/fund/S000004474) | J.P. Morgan Mutual Fund Investment Trust | $203.6M | 100.91% |
| [Capital World Growth & Income Fund](https://search.stillhousedata.com/fund/S000009001) | Capital World Growth & Income Fund | $116.0M | 7.27% |
| [T. Rowe Price Science & Technology Fund, Inc.](https://search.stillhousedata.com/fund/S000002119) | T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC. | $112.7M | 104.94% |
| [Growth Fund of America](https://search.stillhousedata.com/fund/S000009228) | Growth Fund of America | $103.0M | 2.85% |
| [T. Rowe Price Communications & Technology Fund](https://search.stillhousedata.com/fund/S000002101) | T. ROWE PRICE COMMUNICATIONS & TECHNOLOGY FUND, INC. | $94.7M | 117.17% |
| [AMCAP Fund](https://search.stillhousedata.com/fund/S000008817) | AMCAP Fund | $92.6M | 9.52% |
| [Capital Group Global Growth Equity ETF](https://search.stillhousedata.com/fund/S000074250) | Capital Group Global Growth Equity ETF | $84.8M | 75.10% |
| [T. Rowe Price Global Technology Fund, Inc.](https://search.stillhousedata.com/fund/S000002085) | T. ROWE PRICE GLOBAL TECHNOLOGY FUND, INC. | $75.4M | 133.28% |
| [VANGUARD PRIMECAP CORE FUND](https://search.stillhousedata.com/fund/S000002581) | VANGUARD FENWAY FUNDS | $64.9M | 47.92% |
| [T. Rowe Price U.S. Equity Research Fund](https://search.stillhousedata.com/fund/S000002071) | T. Rowe Price U.S. Equity Research Fund, Inc. | $56.8M | 36.34% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $48.6M | 22.31% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/171779309.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.