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
WJWM
76
Williams Jones Wealth Management
New York
$54.3M
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$50.2M
BA
78
Bridgewater Associates
Connecticut
$49.7M
National Pension Service
79
National Pension Service
South Korea
$49.7M
RCMU
80
Rokos Capital Management (UK)
United Kingdom
$49.2M
Barclays
81
Barclays
United Kingdom
$49M
BCM
82
Becker Capital Management
Oregon
$46.9M
AHT
83
Amanah Holdings Trust
$46.8M
GFM
84
GF Fund Management
China
$44.9M
Diamond Hill Capital Management
85
Diamond Hill Capital Management
Ohio
$42.7M
1SAMC
86
12th Street Asset Management Company
Tennessee
$42M
TCP
87
ThornTree Capital Partners
Massachusetts
$41.8M
Allianz Asset Management
88
Allianz Asset Management
Germany
$40.5M
CI Investments Inc
89
CI Investments Inc
Ontario, Canada
$40.3M
TD Asset Management
90
TD Asset Management
Ontario, Canada
$39.8M
Retirement Systems of Alabama
91
Retirement Systems of Alabama
Alabama
$39.6M
TGCMU
92
Titan Global Capital Management USA
New York
$39.2M
DG
93
DigitalBridge Group
Florida
$38.8M
LPL Financial
94
LPL Financial
California
$35.7M
Zurich Cantonal Bank
95
Zurich Cantonal Bank
Switzerland
$34.7M
Loomis, Sayles & Company
96
Loomis, Sayles & Company
Massachusetts
$34.1M
Mitsubishi UFJ Asset Management
97
Mitsubishi UFJ Asset Management
Japan
$33.2M
New York State Teachers Retirement System (NYSTRS)
98
New York State Teachers Retirement System (NYSTRS)
New York
$33.1M
IIM
99
INTECH Investment Management
Florida
$32.2M
GAM
100
Gotham Asset Management
New York
$31.9M