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
$2.81
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
124,958,408
Total reported value
$355,728,510
% of total 13F portfolios
0%
Share change
+75,184
Value change
-$156,014
Number of holders
109
Price from insider filings
$2.81
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% $36,567,476 8,748,200 PARADIGM CAPITAL MANAGEMENT INC/NY 30 Jun 2025

As of 31 Dec 2025, 109 institutional investors reported holding 124,958,408 shares of Ribbon Communications Inc. - Common Stock (RBBN). This represents 71% 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 69% 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% $149,868,221
NEUBERGER BERMAN GROUP LLC 10% 17,431,102 -4.5% 0.03% $46,032,220
PARADIGM CAPITAL MANAGEMENT INC/NY 4.8% 8,323,298 -4.9% 1% $23,971,098
VANGUARD GROUP INC 4.5% 7,833,009 +1.8% 0% $22,559,066
BlackRock, Inc. 4.4% 7,665,925 -0.43% 0% $22,077,863
DIMENSIONAL FUND ADVISORS LP 3.7% 6,475,125 -1.1% 0% $18,649,429
ROYCE & ASSOCIATES LP 2.6% 4,614,741 +7.2% 0.13% $13,290,454
GEODE CAPITAL MANAGEMENT, LLC 1.3% 2,302,573 -0.34% 0% $6,632,567
STATE STREET CORP 1.2% 2,099,793 +0.25% 0% $6,047,404
Connor, Clark & Lunn Investment Management Ltd. 1.1% 1,995,845 +7% 0.02% $5,748,034
FIRST WILSHIRE SECURITIES MANAGEMENT INC 0.72% 1,267,586 -2.9% 0.92% $3,650,648
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.59% 1,029,716 +6.8% 0% $2,965,582
JACOBS LEVY EQUITY MANAGEMENT, INC 0.51% 890,168 +89% 0.01% $2,563,684
First Eagle Investment Management, LLC 0.49% 862,528 -17% 0% $2,484,081
HERALD INVESTMENT MANAGEMENT Ltd 0.46% 800,000 -12% 0.3% $2,304,000
GOLDMAN SACHS GROUP INC 0.45% 787,493 +86% 0% $2,267,980
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.44% 769,074 -0.05% 0% $2,214,933
ACADIAN ASSET MANAGEMENT LLC 0.44% 761,165 +2100% 0% $2,189,000
KENNEDY CAPITAL MANAGEMENT LLC 0.41% 710,703 0.04% $2,046,825
Silverberg Bernstein Capital Management LLC 0.25% 436,023 +1.9% 0.73% $1,255,746
MORGAN STANLEY 0.22% 392,390 -22% 0% $1,130,083
Bank of New York Mellon Corp 0.22% 389,994 +16% 0% $1,123,183
JANE STREET GROUP, LLC 0.22% 379,465 +89% 0% $1,092,859
VICTORY CAPITAL MANAGEMENT INC 0.2% 349,543 -1.4% 0% $1,006,684
GSA CAPITAL PARTNERS LLP 0.16% 287,583 +33% 0.07% $828,000

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 124,958,408 $355,728,510 -$156,014 $2.88 109
2025 Q3 129,879,239 $488,669,377 +$5,417,203 $3.80 152
2025 Q2 128,120,242 $508,960,472 +$3,024,776 $4.01 143
2025 Q1 127,416,325 $495,234,342 +$5,145,829 $3.92 143
2024 Q4 126,033,231 $519,827,051 +$5,503,928 $4.16 131
2024 Q3 124,931,161 $402,328,649 +$55,662,098 $3.25 126
2024 Q2 106,348,811 $349,760,231 -$58,641,045 $3.29 128
2024 Q1 124,279,238 $397,693,359 +$69,195,005 $3.20 131
2023 Q4 104,742,901 $303,752,097 +$3,494,147 $2.90 125
2023 Q3 103,163,647 $276,463,535 -$1,679,277 $2.68 121
2023 Q2 104,142,185 $290,540,575 -$39,834,149 $2.79 125
2023 Q1 117,379,899 $401,425,056 +$3,703,828 $3.42 142
2022 Q4 118,148,543 $329,593,645 +$734,645 $2.79 124
2022 Q3 118,472,379 $263,053,703 +$38,836,428 $2.22 118
2022 Q2 100,809,923 $306,439,957 +$3,772,283 $3.04 120
2022 Q1 99,890,118 $308,842,380 -$17,676,884 $3.09 124
2021 Q4 99,198,401 $599,989,032 +$11,330,479 $6.05 122
2021 Q3 97,071,581 $580,330,841 -$7,772,374 $5.98 117
2021 Q2 98,367,370 $748,413,815 +$402,949 $7.61 120
2021 Q1 98,033,091 $804,682,950 -$5,449,138 $8.21 137
2020 Q4 98,922,454 $648,838,141 +$26,001,368 $6.56 121
2020 Q3 94,930,653 $363,544,758 -$2,451,038 $3.87 106
2020 Q2 95,545,142 $375,154,809 +$13,011,856 $3.93 106
2020 Q1 92,187,027 $279,312,593 +$5,561,696 $3.03 109
2019 Q4 90,759,036 $281,247,572 -$8,614,684 $3.10 108
2019 Q3 89,859,424 $524,693,949 +$9,546,797 $5.84 116
2019 Q2 88,288,443 $431,718,648 +$7,283,646 $4.89 102
2019 Q1 87,066,929 $448,386,835 +$10,682,142 $5.15 110
2018 Q4 84,999,776 $409,716,761 -$551,109 $4.82 109
2018 Q3 84,606,867 $577,850,880 +$5,506,170 $6.83 105
2018 Q2 83,790,670 $596,585,939 -$108,481 $7.12 94
2018 Q1 84,620,312 $431,555,200 -$22,130,722 $5.10 114
2017 Q4 86,046,038 $665,259,937 +$664,493,937 $7.73 118