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
YCM
176
Yousif Capital Management
Michigan
$10.8M
First Manhattan
177
First Manhattan
New York
$10.8M
Creative Planning
178
Creative Planning
Kansas
$10.8M
Credit Agricole
179
Credit Agricole
France
$10.7M
Nomura Asset Management
180
Nomura Asset Management
Japan
$10.5M
PA
181
Paralel Advisors
Colorado
$10.4M
National Bank of Canada
182
National Bank of Canada
Quebec, Canada
$10.3M
TRSOTSOK
183
Teachers Retirement System of the State of Kentucky
Kentucky
$10.3M
Franklin Resources
184
Franklin Resources
California
$10.3M
TI
185
Tidal Investments
Wisconsin
$10.2M
Skandinaviska Enskilda Banken (SEB)
186
Skandinaviska Enskilda Banken (SEB)
Sweden
$9.98M
Focus Partners Wealth
187
Focus Partners Wealth
Massachusetts
$9.7M
FAF
188
Första AP-fonden
Sweden
$9.66M
HCA
189
Harbour Capital Advisors
Virginia
$9.59M
First Eagle Investment Management
190
First Eagle Investment Management
New York
$9.57M
RAM
191
Resona Asset Management
Japan
$9.54M
JSSH
192
J. Safra Sarasin Holding
$9.51M
SAM
193
Silvercrest Asset Management
New York
$9.42M
Handelsbanken Fonder
194
Handelsbanken Fonder
Sweden
$9.39M
Teacher Retirement System of Texas
195
Teacher Retirement System of Texas
Texas
$9.38M
RC
196
Riposte Capital
New York
$9.35M
Vontobel Holding
197
Vontobel Holding
Switzerland
$9.29M
LSERS
198
Louisiana State Employees Retirement System
Louisiana
$9.12M
ASRS
199
Arizona State Retirement System
Arizona
$9.06M
Comerica Bank
200
Comerica Bank
Texas
$8.88M