Cross-fund · 6 holders
CIEN
CIENA CORP
CUSIP 171779309
6
Tracked holders
$9.31B
Aggregate value
29,704,318
Shares
6
Active funds
Funds holding CIEN
| Fund | Strategy | Period | Value | % of book | Δ shares | Status |
|---|---|---|---|---|---|---|
| BlackRock | Institutional | Q1 2026 | $5.19B | 0.09% | −3,295,043 | −19.8% |
| Vanguard | Institutional | Q4 2025 | $3.36B | 0.05% | −692,023 | −4.6% |
| Citadel | Multi-Strategy | Q1 2026 | $325.0M | 0.05% | −469,012 | −35.9% |
| Point72FEAT | Multi-Strategy | Q1 2026 | $286.1M | 0.37% | +51,775 | +7.6% |
| Millennium | Multi-Strategy | Q1 2026 | $91.7M | 0.04% | −317,500 | −57.4% |
| BridgewaterFEAT | Macro | Q1 2026 | $55.8M | 0.25% | −68,797 | −32.4% |
Aggregated from the latest 13F-HR per tracked fund (longs only). QoQ deltas compare against each fund's prior quarterly filing.