Which closed-end funds own Ciena Corp?
8 active closed-end funds report this security in their latest N-PORT filing, with a combined reported value of $47.9M. Security type: common equity. Country: United States. CUSIP 171779309 · ISIN US1717793095 · ticker CIEN.
Holdings are historical filings (report dates May 29, 2026 – Jul 31, 2026; N-PORT becomes public ~60 days after quarter end), not live positions. Weights are percent of each fund’s net assets. Different instruments of one issuer (shares, bonds, preferreds) are separate securities — see related securities below.
Funds holding this security
| Fund | Category | Weight | Value (USD) | Balance | Fund net assets | Prem/disc | Report date |
|---|---|---|---|---|---|---|---|
| CII BlackRock Enhanced Large Cap Core Fund | U.S. Equity | 2.83% | $30.6M | 62,439 sh | $1.1B | 1.8% discount | Jun 30, 2026 |
| SPXX Nuveen S&P 500 Dynamic Overwrite Fund | Covered Call / Option Income | 0.29% | $8.3M | 16,927 sh | $2.9B | NAV unavailable | Jun 30, 2026 |
| CLM Cornerstone Strategic Investment Fund | Multi-Asset | 0.25% | $5.1M | 10,327 sh | $2B | at NAV | Jun 30, 2026 |
| IDE Voya Infrastructure, Industrials & Materials Fund | Infrastructure | 0.25% | $528K | 910 sh | $214M | 5.7% discount | May 31, 2026 |
| CRF Cornerstone Total Return Fund | Multi-Asset | 0.17% | $1.8M | 3,634 sh | $1.1B | 2.6% discount | Jun 30, 2026 |
| QQQX Nuveen NASDAQ 100 Dynamic Overwrite Fund | Covered Call / Option Income | 0.10% | $1.5M | 3,126 sh | $1.6B | 4.2% discount | Jun 30, 2026 |
| GOF Guggenheim Strategic Opportunities Fund | Multi-Asset | 0.00% | $31.3K | 54 sh | $2.8B | 12.2% discount | May 29, 2026 |
| BRW Saba Capital Income & Opportunities Fund | U.S. Equity | -0.00% | $-7.2K | -19 sh | $351M | 16.9% discount | Jul 31, 2026 |
8 positions. Source: SEC Form N-PORT via market-data vendor re-serve. Funds without an N-PORT on file cannot appear here.
Also listed in filings as: CIENA CORP.
Related securities from the same issuer
| Security | Type | Funds holding |
|---|---|---|
| Ciena Corp | debt security | 9 |
| Ciena Corp | debt security | 6 |
Issuer-level search for “CIEN” → · Compare two funds’ portfolios →