541 hedge funds and large institutions have $8.25B invested in Ciena in 2025 Q1 according to their latest regulatory filings, with 100 funds opening new positions, 184 increasing their positions, 184 reducing their positions, and 80 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

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

2.65% less ownership

Funds ownership: 98.66%96.01% (-2.6%)

31% less capital invested

Capital invested by funds: $11.9B → $8.25B (-$3.64B)

45% less funds holding in top 10

Funds holding in top 10: 116 (-5)

Holders
541
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$184M
Puts
$149M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Natixis Advisors
101
Natixis Advisors
Massachusetts
$8.38M
State of Wisconsin Investment Board
102
State of Wisconsin Investment Board
Wisconsin
$8.33M
IIM
103
INTECH Investment Management
Florida
$8.19M
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$8.07M
Connor, Clark & Lunn Investment Management (CC&L)
105
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.97M
MGM
106
Manchester Global Management
United Kingdom
$7.89M
Barclays
107
Barclays
United Kingdom
$7.76M
PHK
108
Point72 Hong Kong
Hong Kong
$7.6M
WCM
109
Westerly Capital Management
California
$7.55M
RA
110
Royce & Associates
New York
$7.17M
OAM
111
Oppenheimer Asset Management
New York
$7.14M
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
$7.13M
Bank Julius Baer & Co
113
Bank Julius Baer & Co
Switzerland
$6.92M
Manulife (Manufacturers Life Insurance)
114
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.76M
DP
115
DDD Partners
Washington
$6.68M
TGCMU
116
Titan Global Capital Management USA
New York
$6.67M
Canada Life
117
Canada Life
Manitoba, Canada
$6.55M
Stifel Financial
118
Stifel Financial
Missouri
$6.36M
Prudential Financial
119
Prudential Financial
New Jersey
$6.28M
Allianz Asset Management
120
Allianz Asset Management
Germany
$6.25M
FSCM
121
Front Street Capital Management
Montana
$6.07M
SFI
122
Susquehanna Fundamental Investments
Pennsylvania
$6.05M
AAP
123
Ardsley Advisory Partners
Connecticut
$6.01M
HVIA
124
Hudson Valley Investment Advisors
New York
$5.89M
Jane Street
125
Jane Street
New York
$5.74M