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Ribbon Communications

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.

New
Increased
Maintained
Reduced
Closed
Holders
144
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
$926K
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Legal & General Group
51
Legal & General Group
United Kingdom
$409K
SEI Investments
52
SEI Investments
Pennsylvania
$380K
California State Teachers Retirement System (CalSTRS)
53
California State Teachers Retirement System (CalSTRS)
California
$359K
BFM
54
Boothbay Fund Management
New York
$329K
IIM
55
INTECH Investment Management
Florida
$319K
Jane Street
56
Jane Street
New York
$290K
Teacher Retirement System of Texas
57
Teacher Retirement System of Texas
Texas
$289K
Deutsche Bank
58
Deutsche Bank
Germany
$286K
Assenagon Asset Management
59
Assenagon Asset Management
Luxembourg
$281K
Wells Fargo
60
Wells Fargo
California
$264K
Los Angeles Capital Management
61
Los Angeles Capital Management
California
$257K
B
62
Bailard
California
$255K
T. Rowe Price Associates
63
T. Rowe Price Associates
Maryland
$242K
XT
64
XTX Topco
Cayman Islands
$233K
MIM
65
MetLife Investment Management
New Jersey
$227K
WVP
66
Worth Venture Partners
New Jersey
$223K
Mirae Asset Global ETFs Holdings
67
Mirae Asset Global ETFs Holdings
Hong Kong
$211K
Citigroup
68
Citigroup
New York
$205K
Ohio Public Employees Retirement System (OPERS)
69
Ohio Public Employees Retirement System (OPERS)
Ohio
$204K
Zurich Cantonal Bank
70
Zurich Cantonal Bank
Switzerland
$190K
Balyasny Asset Management
71
Balyasny Asset Management
Illinois
$186K
State Board of Administration of Florida Retirement System
72
State Board of Administration of Florida Retirement System
Florida
$151K
Manulife (Manufacturers Life Insurance)
73
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$148K
Axa
74
Axa
France
$147K
Janus Henderson Group
75
Janus Henderson Group
United Kingdom
$143K