Back to 13F data
Q1 2026

CIENA CORP

Original CUSIPs: 171779309. This page shows current managers, quarterly changes, and primary SEC sources.

Current managers
1
Combined value
$55.8M

Current managers

1

Calculated from each manager’s latest available 13F.

Total shares

143,846

Aggregated at company level with original CUSIP details preserved.

Combined value

$55.8M

Market values are added across managers reporting the same quarter.

Themes

Unclassified

Local mappings are used only for search and classification.

Four-quarter trend

Four-quarter ownership trend

Manager actions by quarter

Current tracked managers holding this company

ManagerQuarterMarket valueSharesPortfolio weightCurrent-quarter changeShare changeValue changeSEC source
Bridgewater Associates
Ray Dalio / Bridgewater
Q1 2026$55,845,333143,8460.25%
Reduced
-32.35%
-68,797+$6,114,515XML
05/15/2026

Original CUSIP details

ManagerIssuerCUSIPSecurity classMarket valueSharesWeightSource
Bridgewater AssociatesCIENA CORP171779309COM NEW$55,845,333143,8460.25%SEC XML

Quarterly holdings details

QuarterCurrent managersCombined valueTotal sharesManager details
Q2 20251$3,900,26147,956
Bridgewater Associates New position
Q3 20251$23,555,859161,707
Bridgewater Associates Increased
Q4 20251$49,730,818212,643
Bridgewater Associates Increased
Q1 20261$55,845,333143,846
Bridgewater Associates Reduced