RBBN icon

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
76
$166K
77
$151K
78
$149K
79
$147K
80
$144K
81
$144K
82
$139K
83
$135K
84
$133K
85
$132K
86
$128K
87
$126K
88
$124K
89
$118K
90
$115K
91
$108K
92
$98.4K
93
$94.3K
94
$88.4K
95
$83.3K
96
$80K
97
$79.6K
98
$77.7K
99
$75.3K
100
$69K