678 hedge funds and large institutions have $20.3B invested in Ciena in 2025 Q3 according to their latest regulatory filings, with 180 funds opening new positions, 175 increasing their positions, 255 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions 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: $ → $

21% more funds holding

Funds holding: 560678 (+118)

1.13% less ownership

Funds ownership: 99.76%98.63% (-1.1%)

31% less repeat investments, than reductions

Existing positions increased: 175 | Existing positions reduced: 255

Holders
678
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
16
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$419M
Puts
$220M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
OBAM
201
ODDO BHF Asset Management
France
$5.28M
Bank of Nova Scotia
202
Bank of Nova Scotia
Ontario, Canada
$5.23M
ZIG
203
Zurich Insurance Group
Switzerland
$5.23M
Creative Planning
204
Creative Planning
Kansas
$5.12M
CNAM
205
Campbell Newman Asset Management
Wisconsin
$5.04M
SOMRS
206
State of Michigan Retirement System
Michigan
$4.91M
Franklin Resources
207
Franklin Resources
California
$4.88M
Bank of Montreal
208
Bank of Montreal
Ontario, Canada
$4.78M
HCM
209
Hilton Capital Management
New York
$4.76M
Westfield Capital Management
210
Westfield Capital Management
Massachusetts
$4.63M
NMIMC
211
Northwestern Mutual Investment Management Company
Wisconsin
$4.59M
Universal-Beteiligungs- und Servicegesellschaft
212
Universal-Beteiligungs- und Servicegesellschaft
Germany
$4.59M
Kovitz Investment Group Partners
213
Kovitz Investment Group Partners
Illinois
$4.4M
HVCM
214
Hel Ved Capital Management
Hong Kong
$4.36M
KK
215
KLP Kapitalforvaltning
Norway
$4.3M
MAM
216
Madison Asset Management
Wisconsin
$4.26M
OCM
217
Oribel Capital Management
New York
$4.22M
OPERF
218
Oregon Public Employees Retirement Fund
Oregon
$4.15M
VRS
219
Virginia Retirement Systems
Virginia
$4.1M
OHIS
220
Oak Harvest Investment Services
Texas
$4.08M
Toronto Dominion Bank
221
Toronto Dominion Bank
Ontario, Canada
$4.05M
AI
222
Atria Investments
North Carolina
$3.94M
Pacer Advisors
223
Pacer Advisors
Pennsylvania
$3.94M
AIIMS
224
Analyst IMS Investment Management Services
Israel
$3.86M
AIP
225
Ameritas Investment Partners
Nebraska
$3.86M