Ciena CORP (CIEN) Institutional Investor Snapshot (1237 Funds, Q2 2026)

CIEN ranks #342 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

1237 institutions disclose a position in CIEN, but none treat it as a major bet — even Atreides Management, LP, its most concentrated holder, allocates just 2.4% of its own portfolio to it.

Fidelity has added to its CIEN position for two straight quarters, increasing it by $4.4B to reach $9.4B today.

William Blair Investment Management, LLC has trimmed its CIEN position for two straight quarters, cutting it by $191.3M while still holding $65.6M.

CIEN is down 1.7% today, but institutions show net buying of $30.9B this quarter — a divergence between today's price move and the underlying institutional flow.

CIEN posted net income of $438.3M over the trailing twelve months, and currently trades at a P/E of 117.4.

• Profitable — net income of $438.3M over the trailing twelve months
• Revenue grew 37.5% year over year
• Net income improved year over year, from $79.0M to $438.3M
• Generated $806.1M in positive operating cash flow
• Current ratio of 2.73x — enough short-term assets to cover short-term liabilities
• Liabilities run 1.15x equity — within a conventional range