1,072 hedge funds and large institutions have $51.8B invested in Ciena in 2026 Q1 according to their latest regulatory filings, with 318 funds opening new positions, 310 increasing their positions, 364 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 capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

26% more funds holding in top 10

Funds holding in top 10: 2329 (+6)

13.04% less ownership

Funds ownership: 107.91%94.88% (-13%)

15% less repeat investments, than reductions

Existing positions increased: 310 | Existing positions reduced: 364

Holders
1,072
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$798M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
State Board of Administration of Florida Retirement System
101
State Board of Administration of Florida Retirement System
Florida
$48.9M
Marshall Wace
102
Marshall Wace
United Kingdom
$48.9M
New York State Teachers Retirement System (NYSTRS)
103
New York State Teachers Retirement System (NYSTRS)
New York
$48.4M
Korea Investment Corp
104
Korea Investment Corp
South Korea
$47.9M
GAM
105
Gotham Asset Management
New York
$47.1M
TGCMU
106
Titan Global Capital Management USA
New York
$45.9M
Adage Capital Partners
107
Adage Capital Partners
Massachusetts
$45.1M
GFM
108
GF Fund Management
China
$41.9M
ECL
109
E20 Capital Ltd
$41.7M
SAM
110
Storebrand Asset Management
Norway
$41.4M
QCM
111
Quantinno Capital Management
New York
$40.3M
Stifel Financial
112
Stifel Financial
Missouri
$39.8M
PAM
113
Panagora Asset Management
Massachusetts
$39M
Swedbank
114
Swedbank
Sweden
$38.7M
Mirae Asset Global Investments
115
Mirae Asset Global Investments
South Korea
$38.1M
Renaissance Technologies
116
Renaissance Technologies
New York
$38M
Aviva
117
Aviva
United Kingdom
$37.4M
State of Wisconsin Investment Board
118
State of Wisconsin Investment Board
Wisconsin
$37.4M
DB
119
Danske Bank
Denmark
$36.4M
Canada Pension Plan Investment Board
120
Canada Pension Plan Investment Board
Ontario, Canada
$35.8M
Loomis, Sayles & Company
121
Loomis, Sayles & Company
Massachusetts
$35.5M
ARAM
122
Ardmore Road Asset Management
New York
$35.3M
Millennium Management
123
Millennium Management
New York
$35.2M
FFM
124
FengHe Fund Management
Singapore
$34.7M
CCM
125
CloudAlpha Capital Management
Hong Kong
$34.2M