CIEN
CIENA CORPData as of 2026 Q2 (06-30) · 13F snapshot
Summary
CIENA CORP (CIEN) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$485.57M; the largest are Ken Griffin, Steven Cohen, Renaissance Technologies. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 3 added, 3 trimmed, 3 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Common-stock holders64 also report options
Congress trades20
Price$354.92vs quarter-end-27.65%
Sectors0
This quarter's moves
Top holderNew0
Added3
Trimmed / sold6
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $311.46M— of portfolio634,9002026 Q2
Value $235.27M— of portfolio479,6002026 Q2
Value $41.40M— of portfolio84,4002026 Q2
Value $39.74M— of portfolio81,0002026 Q2
Value $21.14M— of portfolio43,1002026 Q2
Value $16.38M— of portfolio33,4002026 Q2
Value $12.61M— of portfolio25,7002026 Q2
Value $11.58M— of portfolio23,6002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $311.46M | — | — |
| Ken GriffinPUT | $235.27M | — | — |
| Steven CohenCALL | $41.40M | — | — |
| Steven CohenPUT | $39.74M | — | — |
| Izzy EnglanderPUT | $21.14M | — | — |
| Paul Tudor JonesCALL | $16.38M | — | — |
| Paul Tudor JonesPUT | $12.61M | — | — |
| Izzy EnglanderCALL | $11.58M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.