560 hedge funds and large institutions have $11.5B invested in Ciena in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 197 increasing their positions, 180 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

3.75% more ownership

Funds ownership: 96.01%99.76% (+3.7%)

4% more funds holding

Funds holding: 541560 (+19)

9% more repeat investments, than reductions

Existing positions increased: 197 | Existing positions reduced: 180

Holders
560
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$184M
Puts
$121M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Zurich Cantonal Bank
176
Zurich Cantonal Bank
Switzerland
$3.45M
Robeco Institutional Asset Management
177
Robeco Institutional Asset Management
Netherlands
$3.44M
Teacher Retirement System of Texas
178
Teacher Retirement System of Texas
Texas
$3.41M
XT
179
XTX Topco
Cayman Islands
$3.39M
MAM
180
Madison Asset Management
Wisconsin
$3.38M
ASRS
181
Arizona State Retirement System
Arizona
$3.37M
AAIS
182
ABN AMRO Investment Solutions
$3.37M
LSERS
183
Louisiana State Employees Retirement System
Louisiana
$3.25M
DSCM
184
Divisadero Street Capital Management
Florida
$3.25M
WAM
185
Weiss Asset Management
Massachusetts
$3.23M
HCM
186
Hilton Capital Management
New York
$3.22M
HCA
187
Harbour Capital Advisors
Virginia
$3.22M
NAM
188
Nissay Asset Management
Japan
$3.18M
GGHC
189
Gilder Gagnon Howe & Co
New York
$3.07M
Handelsbanken Fonder
190
Handelsbanken Fonder
Sweden
$3.03M
COPPSERS
191
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.97M
RBI
192
Raiffeisen Bank International
Austria
$2.94M
SC
193
Savant Capital
Illinois
$2.91M
OHIS
194
Oak Harvest Investment Services
Texas
$2.88M
Bank of Montreal
195
Bank of Montreal
Ontario, Canada
$2.86M
BEI
196
Benjamin Edwards Inc
Missouri
$2.85M
CNAM
197
Campbell Newman Asset Management
Wisconsin
$2.8M
FFL
198
Future Fund LLC
Illinois
$2.79M
SOMRS
199
State of Michigan Retirement System
Michigan
$2.78M
Westfield Capital Management
200
Westfield Capital Management
Massachusetts
$2.58M