840 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 247 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:

9.2% more ownership

Funds ownership: 98.65%107.85% (+9.2%)

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
840
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
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
ACM
851
Aquatic Capital Management
Illinois
PCA
852
Providence Capital Advisors
North Carolina
AG
853
Algert Global
California
OBAM
854
ODDO BHF Asset Management
France
CNAM
855
Campbell Newman Asset Management
Wisconsin
Kovitz Investment Group Partners
856
Kovitz Investment Group Partners
Illinois
MAM
857
Madison Asset Management
Wisconsin
OCM
858
Oribel Capital Management
New York
VRS
859
Virginia Retirement Systems
Virginia
CCS
860
Concentric Capital Strategies
Connecticut
GIM
861
Granahan Investment Management
Massachusetts
PCMH
862
Polymer Capital Management (HK)
Hong Kong
BCM
863
Bayesian Capital Management
New York
CMF
864
Counterpoint Mutual Funds
California
JG
865
Jain Global
New York
OQS
866
Occudo Quantitative Strategies
Florida
NYLIM
867
New York Life Investment Management
New York
LAM
868
LECAP Asset Management
United Kingdom
CFM
869
Catalyst Funds Management
Australia
ACP
870
Albar Capital Partners
United Kingdom
SC
871
Shay Capital
New York
HSA
872
Hussman Strategic Advisors
Maryland
SDIC
873
South Dakota Investment Council
South Dakota
GC
874
GMT Capital
Georgia
SMH
875
Sanders Morris Harris
Texas