541 hedge funds and large institutions have $8.25B invested in Ciena in 2025 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 184 increasing their positions, 185 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:

less 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
151
$3.62M
152
$3.56M
153
$3.51M
154
$3.43M
155
$3.33M
156
$3.28M
157
$3.27M
158
$3.2M
159
$3.16M
160
$3.12M
161
$3.07M
162
$3.07M
163
$3.06M
164
$3.03M
165
$2.96M
166
$2.95M
167
$2.94M
168
$2.91M
169
$2.88M
170
$2.85M
171
$2.84M
172
$2.83M
173
$2.81M
174
$2.73M
175
$2.7M