1,074 institutions reported holding Ciena as of 2026-03-31, totalling $51.8B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
FMR LLC
$8.2B
2
BlackRock, Inc.
$5.2B
3
JPMORGAN CHASE & CO
$3.7B
4
VANGUARD CAPITAL MANAGEMENT LLC
$3.6B
5
VANGUARD PORTFOLIO MANAGEMENT LLC
$2.9B
Source: SEC Form 13F filings via SEC EDGAR. Covers long US-listed equity only — short positions, bonds and non-US holdings are not reported on this form.