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
Public Employees Retirement Association of Colorado
301
Public Employees Retirement Association of Colorado
Colorado
$3.27M
NAM
302
NorthCrest Asset Manangement
Minnesota
$3.27M
SOADOR
303
State of Alaska Department of Revenue
Alaska
$3.26M
D.E. Shaw & Co
304
D.E. Shaw & Co
New York
$3.24M
EAM
305
Eventide Asset Management
Massachusetts
$3.19M
PNC Financial Services Group
306
PNC Financial Services Group
Pennsylvania
$3.15M
CWM
307
Circle Wealth Management
New Jersey
$3.15M
II
308
Inspire Investing
Idaho
$3.15M
US Bancorp
309
US Bancorp
Minnesota
$3.13M
Nordea Investment Management
310
Nordea Investment Management
Sweden
$3.07M
Nisa Investment Advisors
311
Nisa Investment Advisors
Missouri
$3.06M
GCM
312
Goldstream Capital Management
Hong Kong
$3.05M
PP
313
Pacifica Partners
Canada
$2.98M
HP
314
Havemeyer Place
Connecticut
$2.97M
Daiwa Securities Group
315
Daiwa Securities Group
Japan
$2.95M
LCM
316
Landscape Capital Management
New Jersey
$2.94M
Walleye Capital
317
Walleye Capital
New York
$2.92M
P
318
&Partners
Tennessee
$2.92M
AV
319
ASR Vermogensbeheer
Netherlands
$2.9M
HF
320
HRT Financial
New York
$2.88M
GFA
321
Gifford Fong Associates
California
$2.87M
Federated Hermes
322
Federated Hermes
Pennsylvania
$2.84M
BBA
323
Baader Bank Aktiengesellschaft
Germany
$2.75M
PFA
324
Peak Financial Advisors
Colorado
$2.71M
EGM
325
Engineers Gate Manager
New York
$2.7M