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Ribbon Communications

143 hedge funds and large institutions have $495M invested in Ribbon Communications in 2025 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 45 increasing their positions, 48 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

5% less capital invested

Capital invested by funds: $520M → $495M (-$24.6M)

6% less repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 48

Holders
143
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$999K
Puts
$33K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$4K
127
$3.65K
128
$1.64K
129
$1.08K
130
$1.04K
131
$930
132
$803
133
$784
134
$675
135
$569
136
$502
137
$365
138
$314
139
$274
140
$130
141
$48
142
$39
143
$24
144
145
146
147
148
149
150