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
PAS
226
Park Avenue Securities
New York
$6.87M
FAF
227
Fjarde Ap-fonden
Sweden
$6.85M
NMERB
228
New Mexico Educational Retirement Board
New Mexico
$6.83M
FLPIM
229
F.L. Putnam Investment Management
Massachusetts
$6.78M
OHIS
230
Oak Harvest Investment Services
Texas
$6.73M
Mercer Global Advisors
231
Mercer Global Advisors
Colorado
$6.69M
OPERF
232
Oregon Public Employees Retirement Fund
Oregon
$6.6M
DnB Asset Management
233
DnB Asset Management
Norway
$6.44M
Bank Julius Baer & Co
234
Bank Julius Baer & Co
Switzerland
$6.42M
RBI
235
Raiffeisen Bank International
Austria
$6.34M
FBFS
236
First Business Financial Services
Wisconsin
$6.25M
AIIMS
237
Analyst IMS Investment Management Services
Israel
$6.2M
Canada Pension Plan Investment Board
238
Canada Pension Plan Investment Board
Ontario, Canada
$6.2M
BAMF
239
BI Asset Management Fondsmaeglerselskab
Denmark
$6.17M
TCA
240
Tortoise Capital Advisors
Kansas
$6.08M
PCM
241
Prelude Capital Management
New York
$6.07M
AIP
242
Ameritas Investment Partners
Nebraska
$6.05M
BCI
243
Brinker Capital Investments
Pennsylvania
$5.89M
BCIM
244
British Columbia Investment Management
British Columbia, Canada
$5.85M
Corient Private Wealth
245
Corient Private Wealth
Florida
$5.68M
DCM
246
Dilation Capital Management
New York
$5.66M
EWA
247
EverSource Wealth Advisors
Alabama
$5.64M
IRP
248
Investment Research Partners
Pennsylvania
$5.49M
URS
249
Utah Retirement Systems
Utah
$5.44M
EWS
250
Evergreen Wealth Solutions
Pennsylvania
$5.41M