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
SA
226
Spear Advisors
New York
$6.95M
VCM
227
Voleon Capital Management
California
$6.94M
SLAM
228
Swiss Life Asset Management
$6.89M
PAS
229
Park Avenue Securities
New York
$6.87M
FAF
230
Fjarde Ap-fonden
Sweden
$6.85M
NMERB
231
New Mexico Educational Retirement Board
New Mexico
$6.83M
FLPIM
232
F.L. Putnam Investment Management
Massachusetts
$6.78M
OHIS
233
Oak Harvest Investment Services
Texas
$6.73M
Mercer Global Advisors
234
Mercer Global Advisors
Colorado
$6.69M
OPERF
235
Oregon Public Employees Retirement Fund
Oregon
$6.6M
DnB Asset Management
236
DnB Asset Management
Norway
$6.44M
Bank Julius Baer & Co
237
Bank Julius Baer & Co
Switzerland
$6.42M
RBI
238
Raiffeisen Bank International
Austria
$6.34M
FBFS
239
First Business Financial Services
Wisconsin
$6.25M
AIIMS
240
Analyst IMS Investment Management Services
Israel
$6.2M
Canada Pension Plan Investment Board
241
Canada Pension Plan Investment Board
Ontario, Canada
$6.2M
BAMF
242
BI Asset Management Fondsmaeglerselskab
Denmark
$6.17M
TCA
243
Tortoise Capital Advisors
Kansas
$6.08M
PCM
244
Prelude Capital Management
New York
$6.07M
AIP
245
Ameritas Investment Partners
Nebraska
$6.05M
BCI
246
Brinker Capital Investments
Pennsylvania
$5.89M
BCIM
247
British Columbia Investment Management
British Columbia, Canada
$5.85M
DCM
248
Dilation Capital Management
New York
$5.66M
EWA
249
EverSource Wealth Advisors
Alabama
$5.64M
IRP
250
Investment Research Partners
Pennsylvania
$5.49M