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Ribbon Communications
RBBN

Overview Fund Activity

144 hedge funds and large institutions have $509M invested in Ribbon Communications in 2025 Q2 according to their latest regulatory filings, with 22 funds opening new positions, 59 increasing their positions, 35 reducing their positions, and 20 closing their positions.

Holders
144
Holders Change
+1
Holders Change %
+0.7%
% of All Funds
1.93%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
22
Increased
59
Reduced
35
Closed
20
Calls
$926K
Puts
–
Net Calls
+$926K
Net Calls Change
-$40K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$3.33M
2
RA
2
Royce & Associates
New York
$14.7M
3
Connor, Clark & Lunn Investment Management (CC&L)
3
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$5.92M
4
Northern Trust
4
Northern Trust
Illinois
$4.01M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$26.3M

Top Sellers

1
PCMI
1
Paradigm Capital Management Inc
New York
$35.1M
2
HIM
2
Hillsdale Investment Management
Ontario, Canada
$0
3
Bank of America
3
Bank of America
North Carolina
$420K
4
II
4
Inspire Investing
Idaho
$0
5
BCM
5
Bridgeway Capital Management
Texas
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BNP Paribas Asset Management
126
BNP Paribas Asset Management
France
$9K 2,362 +2,362 New
CB
127
Community Bank
New York
$5.6K 1,400 – –
PNC Financial Services Group
128
PNC Financial Services Group
Pennsylvania
$4.15K 1,036 – –
Bessemer Group
129
Bessemer Group
New Jersey
$3K 818 +818 New
CIAM
130
Caitong International Asset Management
Hong Kong
$2.2K 549 +549 New
SS
131
SBI Securities
Japan
$2.01K 500 +500 New
IA
132
IFP Advisors
Florida
$1.78K 43 +33 +330%
RIL
133
Rothschild Investment LLC
Illinois
$1.68K 420 +145 +53%
EWA
134
EverSource Wealth Advisors
Alabama
$854 213 +85 +66%
MCA
135
Maryland Capital Advisors
Maryland
$802 200 – –
TWD
136
True Wealth Design
Ohio
$798 199 +166 +503%
Nisa Investment Advisors
137
Nisa Investment Advisors
Missouri
$666 166 -251 -60%
LFG
138
Larson Financial Group
Missouri
$409 102 +9 +10%
CA
139
CoreCap Advisors
Michigan
$321 80 – –
S
140
SignatureFD
Georgia
$293 73 +73 New
Osaic Holdings
141
Osaic Holdings
Arizona
$166 40 -226 -85%
TFM
142
TFC Financial Management
Massachusetts
$49 12 – –
GI
143
GAMMA Investing
California
$40 10 +10 New
AT
144
Arlington Trust
Alabama
$24 6 – –
HIM
145
Hillsdale Investment Management
Ontario, Canada
– – -326,627 Closed
II
146
Inspire Investing
Idaho
– – -192,780 Closed
BCM
147
Bridgeway Capital Management
Texas
– – -178,000 Closed
Squarepoint
148
Squarepoint
New York
– – -152,716 Closed
Lazard Asset Management
149
Lazard Asset Management
New York
– – -72,268 Closed
SG Americas Securities
150
SG Americas Securities
New York
– – -62,221 Closed
3 4 5
6
7