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