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Ribbon Communications
RBBN

Overview Fund Activity

125 hedge funds and large institutions have $747M invested in Ribbon Communications in 2021 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 46 increasing their positions, 38 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
125
Holders Change
-20
Holders Change %
-13.79%
% of All Funds
2.18%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
14
Increased
46
Reduced
38
Closed
34
Calls
$773K
Puts
$7.5M
Net Calls
-$6.73M
Net Calls Change
+$4.6M

Top Buyers

1
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
$12.8M
2
First Trust Advisors
First Trust Advisors
Illinois
$10.8M
3
OAM
Ophir Asset Management
Australia
$20.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
$34.7M
5
PCMI
Paradigm Capital Management Inc
New York
$64.1M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$1.58M
2
Rafferty Asset Management
Rafferty Asset Management
New York
$0
3
CCM
Cerberus Capital Management
New York
$0
4
EGI
EAM Global Investors
California
$0
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$1.44M
Name Holding Trade Value Shares
Change 		Shares
Change %
E
126
Ergoteles
New York
– -$1.03M -125,100 Closed
Assenagon Asset Management
127
Assenagon Asset Management
Luxembourg
– -$879K -107,083 Closed
OAM
128
Oberweis Asset Management
Illinois
– -$832K -101,400 Closed
MSL
129
Mackay Shields LLC
New York
– -$580K -70,600 Closed
EGM
130
Engineers Gate Manager
New York
– -$533K -64,923 Closed
Simplex Trading
131
Simplex Trading
Illinois
– -$434K -52,940 Closed
CSS
132
Cubist Systematic Strategies
Connecticut
– -$314K -38,287 Closed
CC
133
Cipher Capital
New York
– -$271K -33,051 Closed
Ameriprise
134
Ameriprise
Minnesota
– -$231K -28,169 Closed
HF
135
HRT Financial
New York
– -$229K -27,949 Closed
Two Sigma Investments
136
Two Sigma Investments
New York
– -$167K -20,283 Closed
Qube Research & Technologies (QRT)
137
Qube Research & Technologies (QRT)
United Kingdom
– -$162K -19,787 Closed
Wolverine Trading
138
Wolverine Trading
Illinois
– -$150K -18,294 Closed
Marshall Wace
139
Marshall Wace
United Kingdom
– -$148K -18,082 Closed
BC
140
Bridgefront Capital
Texas
– -$138K -16,845 Closed
AIM
141
Aigen Investment Management
New York
– -$120K -14,652 Closed
MWNA
142
Marshall Wace North America
New York
– -$118K -14,333 Closed
BCM
143
Bayesian Capital Management
New York
– -$114K -13,904 Closed
XT
144
XTX Topco
Cayman Islands
– -$113K -13,723 Closed
SG Americas Securities
145
SG Americas Securities
New York
– -$111K -13,566 Closed
Lazard Asset Management
146
Lazard Asset Management
New York
– -$98K -11,966 Closed
CCIA
147
Campbell & Co Investment Adviser
Maryland
– -$85K -10,400 Closed
SFS
148
Sowell Financial Services
Arkansas
– -$18K -2,762 Closed
MAM
149
Meeder Asset Management
Ohio
– -$20K -2,523 Closed
Bank of Montreal
150
Bank of Montreal
Ontario, Canada
– -$16K -1,901 Closed
3 4 5
6
7