831 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 239 funds opening new positions, 246 increasing their positions, 275 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9.08% more ownership

Funds ownership: 98.67%107.76% (+9.1%)

9% less call options, than puts

Call options by funds: $572M | Put options by funds: $627M

11% less repeat investments, than reductions

Existing positions increased: 246 | Existing positions reduced: 275

Holders
831
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$572M
Puts
$627M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CCS
851
Concentric Capital Strategies
Connecticut
GIM
852
Granahan Investment Management
Massachusetts
PCMH
853
Polymer Capital Management (HK)
Hong Kong
BCM
854
Bayesian Capital Management
New York
CMF
855
Counterpoint Mutual Funds
California
JG
856
Jain Global
New York
OQS
857
Occudo Quantitative Strategies
Florida
NYLIM
858
New York Life Investment Management
New York
LAM
859
LECAP Asset Management
United Kingdom
CFM
860
Catalyst Funds Management
Australia
ACP
861
Albar Capital Partners
United Kingdom
SC
862
Shay Capital
New York
HSA
863
Hussman Strategic Advisors
Maryland
SDIC
864
South Dakota Investment Council
South Dakota
GC
865
GMT Capital
Georgia
SMH
866
Sanders Morris Harris
Texas
CPM
867
Connective Portfolio Management
New York
BJL
868
Brighton Jones LLC
Washington
OCM
869
One Capital Management
California
FFL
870
Future Fund LLC
Illinois
B
871
Bailard
California
CAM
872
Congress Asset Management
Massachusetts
SRL
873
Scientech Research LLC
New Jersey
SFFS
874
Stonehage Fleming Financial Services
Jersey
SPA
875
Sherbrooke Park Advisers
New York