# CIENA CORP Ciena Corp

CIENA CORP Ciena Corp is a security (CUSIP 171779AL5) tracked across SEC portfolio filings. 14 registered fund positions totaling $16.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CIENA CORP
- Class: Ciena Corp
- CUSIP: 171779AL5
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 14
- N-PORT value: $16.5M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Eaton Vance Income Fund of Boston](https://search.stillhousedata.com/fund/S000004984) | Eaton Vance Series Trust II | $4.0M | 9.76% |
| [Brigade High Income Fund](https://search.stillhousedata.com/fund/S000079888) | ALPS SERIES TRUST | $2.9M | 27.89% |
| Advent Convertible & Income Fund | ADVENT CONVERTIBLE & INCOME FUND | $2.6M | 44.12% |
| Guggenheim Strategic Opportunities Fund | Guggenheim Strategic Opportunities Fund | $2.1M | 8.59% |
| [HIGH INCOME OPPORTUNITIES PORTFOLIO](https://search.stillhousedata.com/fund/S000005235) | High Income Opportunities Portfolio | $1.4M | 6.93% |
| Eaton Vance Ltd Duration Income Fund | Eaton Vance Ltd Duration Income Fund | $1.0M | 8.73% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $816K | 14.84% |
| [Federated Hermes Sustainable High Yield Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000009068) | Federated Hermes Sustainable High Yield Bond Fund, Inc. | $714K | 14.65% |
| [Calvert High Yield Bond Fund](https://search.stillhousedata.com/fund/S000025875) | Calvert Fund | $672K | 12.90% |
| [Global Income Builder Portfolio](https://search.stillhousedata.com/fund/S000053910) | Global Income Builder Portfolio | $103K | 4.48% |
| [Federated Hermes Short Duration High Yield ETF](https://search.stillhousedata.com/fund/S000074174) | Federated Hermes ETF Trust | $96K | 18.74% |
| [Stone Harbor High Yield Bond Fund](https://search.stillhousedata.com/fund/S000017756) | STONE HARBOR INVESTMENT FUNDS | $85K | 8.03% |
| Eaton Vance Short Duration Diversified Income Fund | Eaton Vance Short Duration Diversified Income Fund | $48K | 3.17% |
| Blackstone Private Multi-Asset Credit & Income Fund | Blackstone Private Multi-Asset Credit & Income Fund | $21K | 0.30% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/171779AL5.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.