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
PG
826
Proffitt & Goodson
Tennessee
$702
Kayne Anderson Rudnick Investment Management
827
Kayne Anderson Rudnick Investment Management
California
$702
RIAS
828
Rachor Investment Advisory Services
Michigan
$702
KFI
829
Key Financial Inc
Pennsylvania
$468
SA
830
Seneschal Advisors
Washington
$468
DCM
831
Davis Capital Management
Florida
$468
DF
832
Dunhill Financial
United Kingdom
$437
MCM
833
MV Capital Management
Maryland
$234
TCM
834
Triumph Capital Management
Colorado
$234
LPC
835
Lone Pine Capital
Connecticut
FGP
836
Freestone Grove Partners
California
Artisan Partners
837
Artisan Partners
Wisconsin
Nomura Holdings
838
Nomura Holdings
Japan
FC
839
Foursixthree Capital
New York
TI
840
Trexquant Investment
Connecticut
PL
841
Perpetual Ltd
Australia
DGM
842
Delta Global Management
New York
DCP
843
Diameter Capital Partners
New York
N
844
Natixis
France
ACM
845
Aquatic Capital Management
Illinois
PCA
846
Providence Capital Advisors
North Carolina
AG
847
Algert Global
California
OBAM
848
ODDO BHF Asset Management
France
CNAM
849
Campbell Newman Asset Management
Wisconsin
Kovitz Investment Group Partners
850
Kovitz Investment Group Partners
Illinois