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
Cerity Partners
126
Cerity Partners
New York
$19.9M
Ensign Peak Advisors
127
Ensign Peak Advisors
Utah
$19.9M
New York State Common Retirement Fund
128
New York State Common Retirement Fund
New York
$19.9M
DE
129
Defiance ETFs
New York
$19.2M
Stifel Financial
130
Stifel Financial
Missouri
$19M
PCM
131
Penserra Capital Management
California
$19M
Natixis Advisors
132
Natixis Advisors
Massachusetts
$18.9M
SG Americas Securities
133
SG Americas Securities
New York
$18.1M
IFM
134
ION Fund Management
$17.8M
VWS
135
Virtus Wealth Solutions
New Jersey
$17.2M
LIP
136
Liontrust Investment Partners
United Kingdom
$16.5M
Mariner
137
Mariner
Kansas
$16.5M
HVCM
138
Hel Ved Capital Management
Hong Kong
$16.4M
MIM
139
MetLife Investment Management
New Jersey
$16.1M
Universal-Beteiligungs- und Servicegesellschaft
140
Universal-Beteiligungs- und Servicegesellschaft
Germany
$15.6M
OAM
141
Oppenheimer Asset Management
New York
$15M
Mitsubishi UFJ Trust & Banking
142
Mitsubishi UFJ Trust & Banking
Japan
$14.9M
VNIM
143
Vaughan Nelson Investment Management
Texas
$14.8M
AB
144
Amalgamated Bank
New York
$14.6M
BFM
145
Boothbay Fund Management
New York
$14.6M
BNP Paribas Financial Markets
146
BNP Paribas Financial Markets
France
$14.5M
Caisse de Depot et Placement du Quebec (CDPQ)
147
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$14.5M
Twin Tree Management
148
Twin Tree Management
Texas
$14.3M
PCM
149
Peregrine Capital Management
Minnesota
$14.2M
ACM
150
Atika Capital Management
New York
$14M