RBBN icon

Ribbon Communications
RBBN

Overview Fund Activity

143 hedge funds and large institutions have $495M invested in Ribbon Communications in 2025 Q1 according to their latest regulatory filings, with 28 funds opening new positions, 44 increasing their positions, 48 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
143
Holders Change
+11
Holders Change %
+8.33%
% of All Funds
1.94%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
44
Reduced
48
Closed
16
Calls
$999K
Puts
$33K
Net Calls
+$966K
Net Calls Change
-$173K

Top Buyers

1
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
+$2.01M
2
HIM
Hillsdale Investment Management
Ontario, Canada
+$1.28M
3
Raymond James Financial
Raymond James Financial
Florida
+$1.16M
4
Commonwealth Equity Services
Commonwealth Equity Services
Massachusetts
+$1.13M
5
RA
Royce & Associates
New York
+$1.13M

Top Sellers

1
PCMI
Paradigm Capital Management Inc
New York
-$2.46M
2
Federated Hermes
Federated Hermes
Pennsylvania
-$1.32M
3
UBS Group
UBS Group
Switzerland
-$1.17M
4
HIM
Herald Investment Management
United Kingdom
-$826K
5
MIC
Maxi Investments CY
Cyprus
-$812K
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Investments
151
Two Sigma Investments
New York
– -$60.3K -14,487 Closed
Walleye Capital
152
Walleye Capital
New York
– -$43.5K -10,447 Closed
LPL Financial
153
LPL Financial
California
– -$42K -10,095 Closed
AIS
154
Accredited Investor Services
Minnesota
– -$41.6K -10,000 Closed
MCM
155
MAI Capital Management
Ohio
– -$3.81K -916 Closed
Group One Trading
156
Group One Trading
Illinois
– -$711 -171 Closed
NWWA
157
New Wave Wealth Advisors
Arkansas
– -$416 -100 Closed
PA
158
Parallel Advisors
California
– -$404 -97 Closed
T
159
Transce3nd
Texas
– -$4 -1 Closed
3 4 5 6
7