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
Treasurer of the State of North Carolina
151
Treasurer of the State of North Carolina
North Carolina
$9.24M
PFSRSONJ
152
Police & Firemen's Retirement System of New Jersey
New Jersey
$9.1M
DCP
153
Diameter Capital Partners
New York
$9.03M
State of Tennessee, Department of Treasury
154
State of Tennessee, Department of Treasury
Tennessee
$7.96M
Mariner
155
Mariner
Kansas
$7.91M
Man Group
156
Man Group
United Kingdom
$7.87M
ACB
157
Aristotle Capital Boston
Massachusetts
$7.83M
N
158
Natixis
France
$7.81M
TA
159
Tectonic Advisors
Texas
$7.65M
IMRF
160
Illinois Municipal Retirement Fund
Illinois
$7.44M
National Bank of Canada
161
National Bank of Canada
Quebec, Canada
$7.42M
State of New Jersey Common Pension Fund D
162
State of New Jersey Common Pension Fund D
New Jersey
$7.4M
Susquehanna International Group
163
Susquehanna International Group
Pennsylvania
$7.29M
FLPIM
164
F.L. Putnam Investment Management
Massachusetts
$7.26M
Thrivent Financial for Lutherans
165
Thrivent Financial for Lutherans
Minnesota
$7.19M
JSSH
166
J. Safra Sarasin Holding
$7.03M
ACM
167
Aquatic Capital Management
Illinois
$6.97M
NAAA
168
New Age Alpha Advisors
New York
$6.92M
First Manhattan
169
First Manhattan
New York
$6.9M
Ohio Public Employees Retirement System (OPERS)
170
Ohio Public Employees Retirement System (OPERS)
Ohio
$6.9M
Luther King Capital Management (LKCM)
171
Luther King Capital Management (LKCM)
Texas
$6.82M
SIA
172
Sit Investment Associates
Minnesota
$6.81M
Carson Wealth (CWM LLC)
173
Carson Wealth (CWM LLC)
Nebraska
$6.68M
YCM
174
Yousif Capital Management
Michigan
$6.67M
Qube Research & Technologies (QRT)
175
Qube Research & Technologies (QRT)
United Kingdom
$6.65M