Ribbon Communications Inc. - Common Stock (RBBN) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2017 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
RBBN on Nasdaq
Shares outstanding
174,964,000
Price per share
$2.88
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
129,879,006
Total reported value
$488,668,492
% of total 13F portfolios
0%
Share change
+1,491,259
Value change
+$5,417,199
Number of holders
151
Price from insider filings
$2.88
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Ribbon Communications Inc. - Common Stock (RBBN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PARADIGM CAPITAL MANAGEMENT INC/NY 5% $33,943,016 8,748,200 PARADIGM CAPITAL MANAGEMENT INC/NY 30 Jun 2025

As of 30 Sep 2025, 151 institutional investors reported holding 129,879,006 shares of Ribbon Communications Inc. - Common Stock (RBBN). This represents 74% of the company’s total 174,964,000 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Ribbon Communications Inc. - Common Stock (RBBN) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
JPMORGAN CHASE & CO 30% 52,037,577 0% 0.01% $197,742,791
NEUBERGER BERMAN GROUP LLC 10% 18,254,045 -1.1% 0.05% $64,530,091
PARADIGM CAPITAL MANAGEMENT INC/NY 5% 8,749,200 +0.01% 1.4% $33,246,960
BlackRock, Inc. 4.4% 7,698,805 -0.52% 0% $29,255,459
VANGUARD GROUP INC 4.4% 7,691,070 +2.2% 0% $29,226,066
DIMENSIONAL FUND ADVISORS LP 3.7% 6,545,535 -0.3% 0.01% $24,872,120
ROYCE & ASSOCIATES LP 2.5% 4,305,470 +17% 0.16% $16,360,786
GEODE CAPITAL MANAGEMENT, LLC 1.3% 2,310,451 +0.31% 0% $8,781,323
STATE STREET CORP 1.2% 2,094,513 +0.08% 0% $7,959,149
Connor, Clark & Lunn Investment Management Ltd. 1.1% 1,865,169 +26% 0.02% $7,087,642
FIRST WILSHIRE SECURITIES MANAGEMENT INC 0.75% 1,305,358 -1.9% 1.3% $4,960,360
First Eagle Investment Management, LLC 0.59% 1,033,914 +0.78% 0.01% $3,928,873
NORTHERN TRUST CORP 0.57% 998,111 -0.08% 0% $3,792,822
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.55% 964,446 +100% 0% $3,664,895
Herald Investment Management Ltd 0.52% 912,869 0% 0.46% $3,468,902
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.44% 769,487 +0.43% 0% $2,924,051
FRANKLIN RESOURCES INC 0.34% 597,663 -45% 0% $2,271,119
D. E. Shaw & Co., Inc. 0.34% 588,892 +41% 0% $2,237,790
Cinctive Capital Management LP 0.3% 524,067 0.1% $1,991,455
MORGAN STANLEY 0.29% 504,683 +96% 0% $1,917,796
JACOBS LEVY EQUITY MANAGEMENT, INC 0.27% 471,201 +9% 0.01% $1,790,564
Silverberg Bernstein Capital Management LLC 0.24% 427,979 +9% 0.99% $1,626,120
GOLDMAN SACHS GROUP INC 0.24% 424,159 +75% 0% $1,611,805
VICTORY CAPITAL MANAGEMENT INC 0.2% 354,626 -28% 0% $1,347,579
RAYMOND JAMES FINANCIAL INC 0.2% 348,802 +0.05% 0% $1,325,447

Institutional Holders of Ribbon Communications Inc. - Common Stock (RBBN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 614,005 $1,768,707 +$145,902 $2.88 11
2025 Q3 129,879,006 $488,668,492 +$5,417,199 $3.80 151
2025 Q2 128,120,285 $508,962,248 +$3,026,145 $4.01 144
2025 Q1 127,416,325 $495,233,950 +$5,146,243 $3.92 143
2024 Q4 126,033,231 $519,827,211 +$5,503,514 $4.16 131
2024 Q3 124,931,161 $402,328,365 +$55,651,552 $3.25 127
2024 Q2 106,351,923 $349,770,252 -$58,630,855 $3.29 128
2024 Q1 124,279,239 $397,693,131 +$12,072,285 $3.20 131
2023 Q4 18,598,218 $70,784,270 +$29,426 $2.90 3
2023 Q3 102,658,000 $275,108,150 -$1,844,461 $2.68 119
2023 Q2 103,683,355 $289,260,331 -$2,555,047 $2.79 122
2023 Q1 103,563,518 $354,166,932 +$2,767,841 $3.42 139
2022 Q4 118,021,796 $329,240,084 +$860,440 $2.79 122
2022 Q3 110,654,754 $245,676,370 +$38,385,120 $2.22 109
2022 Q2 93,102,529 $282,762,029 +$4,937,345 $3.04 113
2022 Q1 91,792,544 $283,820,921 -$17,993,092 $3.09 118
2021 Q4 92,274,387 $558,097,849 +$9,119,127 $6.05 117
2021 Q3 97,003,139 $579,940,054 -$7,880,433 $5.98 116
2021 Q2 98,300,858 $747,909,199 +$393,815 $7.61 117
2021 Q1 98,033,595 $804,681,499 -$5,410,922 $8.21 140
2020 Q4 98,900,489 $648,693,405 +$25,892,466 $6.56 119
2020 Q3 94,925,053 $363,523,086 -$2,315,739 $3.87 105
2020 Q2 94,531,563 $371,171,801 +$12,270,475 $3.93 101
2020 Q1 84,376,963 $255,647,124 +$3,842,170 $3.03 103
2019 Q4 86,483,215 $267,993,556 -$9,086,447 $3.10 105
2019 Q3 84,928,276 $495,894,245 +$7,718,491 $5.84 112
2019 Q2 84,286,850 $412,151,714 +$9,486,193 $4.89 99
2019 Q1 83,011,514 $427,499,745 +$11,047,293 $5.15 106
2018 Q4 80,724,093 $389,110,869 -$3,016,655 $4.82 105
2018 Q3 84,190,462 $575,005,462 +$5,688,493 $6.83 102
2018 Q2 83,786,070 $596,553,187 -$116,209 $7.12 93
2018 Q1 80,433,238 $410,204,740 -$23,209,228 $5.10 109
2017 Q4 86,039,081 $665,206,379 +$664,440,311 $7.73 116