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
SRL
876
Scientech Research LLC
New Jersey
SFFS
877
Stonehage Fleming Financial Services
Jersey
SPA
878
Sherbrooke Park Advisers
New York
BC
879
Bridgefront Capital
Texas
QT
880
Quantbot Technologies
New York
GITFIT
881
Generali Investments Towarzystwo Funduszy Inwestycyjnych (TFI)
Poland
EF
882
Empowered Funds
Pennsylvania
SCM
883
Semanteon Capital Management
Massachusetts
WI
884
WBI Investments
New Jersey
AFCM
885
Applied Finance Capital Management
Puerto Rico
ACM
886
Aster Capital Management
United Arab Emirates
NP
887
NorthRock Partners
Minnesota
GSIAS
888
Garden State Investment Advisory Services
New Jersey
PA
889
PFG Advisors
Arizona
EFI
890
EHP Funds Inc
Canada
Squarepoint
891
Squarepoint
New York
MCM
892
Massar Capital Management
Connecticut
GS
893
GTS Securities
New York
GCM
894
Graham Capital Management
Connecticut
TLFA
895
True Link Financial Advisors
California
AG
896
AIA Group
Hong Kong
SCM
897
Stevens Capital Management
Pennsylvania
IFU
898
iSAM Funds (UK)
United Kingdom
VCMGDR
899
Vinland Capital Management Gestora de Recursos
Brazil
GCS
900
Gordian Capital (Singapore)
Singapore