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
126
$5.53M
127
$5.45M
128
$5.12M
129
$4.88M
130
$4.77M
131
$4.62M
132
$4.55M
133
$4.53M
134
$4.37M
135
$4.35M
136
$4.34M
137
$4.31M
138
$4.25M
139
$4.17M
140
$4.16M
141
$4.13M
142
$4.07M
143
$3.94M
144
$3.91M
145
$3.81M
146
$3.77M
147
$3.77M
148
$3.71M
149
$3.71M
150
$3.62M