Ribbon Communications Inc. - Common Stock (RBBN)

CUSIP: 762544104

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Common Stock
Shares outstanding
174,964,000
Total 13F shares
129,256,500
Share change
-742,300
Total reported value
$268,160,669
Price per share
$2.12
Number of holders
149
Value change
-$3,887,488
Number of buys
82
Number of sells
76

Security key

762544104

Report period

Q1 2026

Institutions

149

Top holders

10

Top shareholders of RBBN - Ribbon Communications Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
PARADIGM CAPITAL MANAGEMENT INC/NY
13D/G 13F
Company
5%
8,748,200
$36,567,476 $0 30 Jun 2025
JPMORGAN CHASE & CO
3/4/5 13F
10%+ Owner · Company
30%
from 13F
52,036,572
$190,974,219 09 Apr 2025
Neuberger Berman Group LLC
13F
Company
10%
17,431,102
$46,032,220 31 Dec 2025
13F
VANGUARD GROUP INC
13F
Company
4.5%
7,833,009
$22,559,066 31 Dec 2025
13F
BlackRock, Inc.
13F
Company
4.4%
7,665,925
$22,077,863 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
3.7%
6,475,125
$18,649,429 31 Dec 2025
13F
ROYCE & ASSOCIATES LP
13F
Company
2.6%
4,614,741
$13,290,454 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.3%
2,302,573
$6,632,567 31 Dec 2025
13F
STATE STREET CORP
13F
Company
1.2%
2,099,793
$6,047,404 31 Dec 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
1.1%
1,995,845
$5,748,034 31 Dec 2025
13F
FIRST WILSHIRE SECURITIES MANAGEMENT INC
13F
Company
0.72%
1,267,586
$3,650,648 31 Dec 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
0.59%
1,029,716
$2,965,582 31 Dec 2025
13F
D. E. Shaw & Co., Inc.
13F
Company
0.56%
979,841
$2,821,942 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.53%
922,554
$2,656,956 31 Dec 2025
13F
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
0.51%
890,168
$2,563,684 31 Dec 2025
13F
First Eagle Investment Management, LLC
13F
Company
0.49%
862,528
$2,484,081 31 Dec 2025
13F
HERALD INVESTMENT MANAGEMENT Ltd
13F
Company
0.46%
800,000
$2,304,000 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.45%
787,493
$2,267,980 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.44%
769,074
$2,214,933 31 Dec 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.44%
761,165
$2,189,000 31 Dec 2025
13F
KENNEDY CAPITAL MANAGEMENT LLC
13F
Company
0.41%
710,703
$2,046,825 31 Dec 2025
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
0.28%
491,471
$1,415,437 31 Dec 2025
13F
Silverberg Bernstein Capital Management LLC
13F
Company
0.25%
436,023
$1,255,746 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.22%
392,391
$1,130,088 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.22%
389,994
$1,123,183 31 Dec 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.22%
379,465
$1,092,859 31 Dec 2025
13F
VICTORY CAPITAL MANAGEMENT INC
13F
Company
0.2%
349,543
$1,006,684 31 Dec 2025
13F
STATE OF WISCONSIN INVESTMENT BOARD
13F
Company
0.18%
310,366
$893,854 31 Dec 2025
13F
GSA CAPITAL PARTNERS LLP
13F
Company
0.16%
287,583
$828,000 31 Dec 2025
13F
COMMONWEALTH EQUITY SERVICES, LLC
13F
Company
0.16%
284,744
$820,060 31 Dec 2025
13F
Pacific Ridge Capital Partners, LLC
13F
Company
0.14%
246,129
$708,852 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
0.12%
213,946
$616,164 31 Dec 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.12%
212,624
$612,358 31 Dec 2025
13F
BARCLAYS PLC
13F
Company
0.12%
202,461
$583,088 31 Dec 2025
13F
ExodusPoint Capital Management, LP
13F
Company
0.11%
198,191
$570,790 31 Dec 2025
13F
UBS Group AG
13F
Company
0.11%
191,370
$551,145 31 Dec 2025
13F
Swiss National Bank
13F
Company
0.11%
185,474
$534,165 31 Dec 2025
13F
Nuveen, LLC
13F
Company
0.1%
176,235
$507,557 31 Dec 2025
13F
MARSHALL WACE, LLP
13F
Company
0.1%
173,702
$500,262 31 Dec 2025
13F
Invesco Ltd.
13F
Company
0.1%
168,915
$486,475 31 Dec 2025
13F
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
0.09%
149,560
$430,733 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.08%
147,689
$425,345 31 Dec 2025
13F
SEI INVESTMENTS CO
13F
Company
0.08%
140,047
$403,371 31 Dec 2025
13F
LSV ASSET MANAGEMENT
13F
Company
0.08%
135,800
$391,000 31 Dec 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.07%
128,975
$371,448 31 Dec 2025
13F
RHUMBLINE ADVISERS
13F
Company
0.07%
128,287
$369,461 31 Dec 2025
13F
EntryPoint Capital, LLC
13F
Company
0.07%
124,573
$358,770 31 Dec 2025
13F
ALLIANCEBERNSTEIN L.P.
13F
Company
0.07%
119,250
$343,440 31 Dec 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.06%
110,798
$319,098 31 Dec 2025
13F
Susquehanna Portfolio Strategies, LLC
13F
Company
0.06%
109,892
$316,489 31 Dec 2025
13F

Institutional Holders of Ribbon Communications Inc. - Common Stock (RBBN) as of Q1 2026

As of 31 Mar 2026, Ribbon Communications Inc. - Common Stock (RBBN) was held by 149 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 129,256,500 shares. The largest 10 holders included JPMORGAN CHASE & CO, NEUBERGER BERMAN GROUP LLC, PARADIGM CAPITAL MANAGEMENT INC/NY, BlackRock, Inc., DIMENSIONAL FUND ADVISORS LP, ROYCE & ASSOCIATES LP, VANGUARD CAPITAL MANAGEMENT LLC, VANGUARD PORTFOLIO MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, and Connor, Clark & Lunn Investment Management Ltd.. This page lists 149 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
153
Q1 2026 holders
149
Holder diff
-4
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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