834 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 241 funds opening new positions, 248 increasing their positions, 274 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:

9.15% more ownership

Funds ownership: 98.65%107.8% (+9.1%)

9% less call options, than puts

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

9% less repeat investments, than reductions

Existing positions increased: 248 | Existing positions reduced: 274

Holders
834
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
MAM
851
Madison Asset Management
Wisconsin
OCM
852
Oribel Capital Management
New York
VRS
853
Virginia Retirement Systems
Virginia
CCS
854
Concentric Capital Strategies
Connecticut
GIM
855
Granahan Investment Management
Massachusetts
PCMH
856
Polymer Capital Management (HK)
Hong Kong
BCM
857
Bayesian Capital Management
New York
CMF
858
Counterpoint Mutual Funds
California
JG
859
Jain Global
New York
OQS
860
Occudo Quantitative Strategies
Florida
NYLIM
861
New York Life Investment Management
New York
LAM
862
LECAP Asset Management
United Kingdom
CFM
863
Catalyst Funds Management
Australia
ACP
864
Albar Capital Partners
United Kingdom
SC
865
Shay Capital
New York
HSA
866
Hussman Strategic Advisors
Maryland
SDIC
867
South Dakota Investment Council
South Dakota
GC
868
GMT Capital
Georgia
SMH
869
Sanders Morris Harris
Texas
CPM
870
Connective Portfolio Management
New York
BJL
871
Brighton Jones LLC
Washington
OCM
872
One Capital Management
California
FFL
873
Future Fund LLC
Illinois
B
874
Bailard
California
CAM
875
Congress Asset Management
Massachusetts