Ribbon Communications Inc.

Historical 13F Holders

Symbol
RBBN
CUSIP
762544104
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 762544104 since 12/18/2024, largest first.

Filer % of Class Filed
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Paradigm Capital Management Inc/NY 13G/A 5.0%
Checked 5% or less
8/14/2025
Event 6/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 27 761 k $1.34 M
2026 Q2 165 128 M $291 M
2026 Q1 155 129 M $269 M
2025 Q4 156 130 M $369 M
2025 Q3 158 198 M $744 M
2025 Q2 149 129 M $511 M
2025 Q1 151 128 M $496 M
2024 Q4 139 126 M $520 M
2024 Q3 133 177 M $571 M
2024 Q2 137 176 M $597 M
2024 Q1 140 177 M $566 M
2023 Q4 133 175 M $524 M
2023 Q3 125 122 M $341 M
2023 Q2 132 121 M $353 M
2023 Q1 149 120 M $422 M
2022 Q4 135 120 M $334 M
2022 Q3 132 119 M $263 M
2022 Q2 133 101 M $307 M
2022 Q1 140 100 M $309 M
2021 Q4 134 99.3 M $601 M
2021 Q3 128 97.1 M $582 M
2021 Q2 138 98.4 M $749 M
2021 Q1 157 98.0 M $805 M
2020 Q4 139 103 M $675 M
2020 Q3 113 94.9 M $364 M
2020 Q2 114 95.7 M $376 M
2020 Q1 120 92.7 M $281 M
2019 Q4 116 91.5 M $284 M
2019 Q3 125 89.9 M $525 M
2019 Q2 115 88.3 M $432 M
2019 Q1 123 87.5 M $451 M
2018 Q4 124 85.6 M $413 M
2018 Q3 116 85.2 M $582 M
2018 Q2 103 84.0 M $598 M
2018 Q1 122 84.8 M $432 M
2017 Q4 122 86.0 M $665 M