Ribbon CommunicationsRBBN

13F holders, Q2 2025 (June 30)
145holders +1
21new positions
20sold out
4famous investors
$3.97avg. 13F price*

At the end of Q2 2025, 145 institutions reported holding Ribbon Communications Inc. (RBBN) in their 13F filings, up 1 from Q1 2025. 21 opened new positions and 20 sold out. The largest holders were JPMorgan Chase & Co. ($208.7M), Neuberger Berman Group LLC ($69.2M) and Paradigm Capital Management Inc. ($35.1M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Ribbon Communications Inc.
CUSIP
762544104
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 132Q1 2024Q2 2024: 129Q2 2024Q3 2024: 126Q3 2024Q4 2024: 133Q4 2024Q1 2025: 144Q1 2025Q2 2025: 145Q2 2025Q3 2025: 153Q3 2025Q4 2025: 153Q4 2025Q1 2026: 150Q1 2026Q2 2026: 160Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions21$1.9M
Exits20$4.7M

All 13F filers, Q1 2025 → Q2 2025: 3,989,817 shares bought and 3,298,711 shares sold, net +691,106 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 145 holders

JPMorgan Chase & Co. 0.01% Reduce 0.0% 52,037,577 $208.7M
Neuberger Berman Group LLC 0.05% Add +0.8% 18,461,960 $69.2M
Paradigm Capital Management Inc. 1.71% Reduce -8.0% 8,748,200 $35.1M
BlackRock, Inc. 0.00% Reduce -0.6% 7,738,835 $31.0M
Vanguard Group Inc. 0.00% Add +0.9% 7,524,387 $30.2M
Dimensional Fund Advisors LP 0.01% Add +3.0% 6,565,166 $26.3M
Royce & Associates LP 0.15% Add +18.8% 3,672,435 $14.7M
Geode Capital Management, LLC 0.00% Add +7.9% 2,303,256 $9.2M
State Street Corp. 0.00% Add +4.5% 2,092,819 $8.4M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Add +24.1% 1,476,053 $5.9M
First Wilshire Securities Management Inc. 1.45% Reduce -0.5% 1,331,200 $5.3M
Franklin Resources Inc. 0.00% Reduce -10.6% 1,090,798 $4.4M
First Eagle Investment Management, LLC 0.01% Add +16.5% 1,025,914 $4.1M
Northern Trust Corp. 0.00% Add +23.8% 998,939 $4.0M
HERALD INVESTMENT MANAGEMENT Ltd 0.54% No change 912,869 $3.7M
Millennium Management 0.00% Add +238.7% 830,148 $3.3M
Charles Schwab Investment Management Inc. 0.00% Add +2.5% 766,198 $3.1M
Victory Capital Management Inc. 0.00% Reduce -18.9% 491,177 $2.0M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -13.2% 483,170 $1.9M
Jacobs Levy Equity Management, Inc. 0.01% Add +4.0% 432,097 $1.7M
White Pine Capital LLC 0.53% Add +17.8% 418,957 $1.7M
D. E. Shaw & Co. 0.00% No change 416,687 $1.7M
Silverberg Bernstein Capital Management LLC 1.08% Add +33.7% 392,579 $1.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +29.8% 370,850 $1.5M
Raymond James Financial Inc. 0.00% Add +18.0% 348,642 $1.4M
Bank of New York Mellon Corp 0.00% Add +2.7% 328,139 $1.3M
Commonwealth Equity Services, LLC 0.00% Add +0.3% 290,276 $1.2M
State of Wisconsin Investment Board 0.00% Add +38.5% 275,903 $1.1M
Nuveen, LLC 0.00% Reduce -18.5% 269,521 $1.1M
UBS Group AG 0.00% Add +32.3% 268,893 $1.1M
Morgan Stanley 0.00% Reduce -34.6% 256,966 $1.0M
Goldman Sachs Group Inc. 0.00% Reduce -32.1% 242,711 $973K
Pacific Ridge Capital Partners, LLC 0.23% No change 235,329 $944K
AQR Capital Management 0.00% Add +9.7% 225,100 $903K
Gsa Capital Partners LLP 0.06% Add +381.0% 210,110 $843K
Russell Investments Group, Ltd. 0.00% Add +7.8% 203,224 $815K
Barclays PLC 0.00% Add +48.5% 200,049 $802K
Swiss National Bank 0.00% No change 185,474 $744K
American Century Companies Inc. 0.00% Add +25.9% 184,047 $738K
Rhumbline Advisers 0.00% Add +15.3% 176,592 $708K
Invesco Ltd. 0.00% Reduce -9.3% 169,395 $679K
Voya Investment Management LLC 0.00% Reduce -1.4% 165,458 $663K
Ameriprise Financial Inc. 0.00% Add +8.6% 148,710 $596K
Bantamac Capital, LLC 0.19% Add +7.3% 130,188 $523K
Polen Capital Management LLC 0.00% New 130,188 $522K
Penn Capital Management Company, LLC 0.04% Add +34.2% 119,815 $480K
Susquehanna International Group, LLP 0.00% Add +3.6% 116,688 $468K
Verition Fund Management LLC 0.00% New 116,427 $467K
Alliancebernstein L.P. 0.00% Add +14.6% 113,317 $454K
Bank of America Corp. 0.00% Reduce -67.4% 104,634 $420K
Legal & General Group Plc 0.00% No change 102,056 $409K
Sei Investments Co. 0.00% Reduce -1.3% 94,755 $380K
California State Teachers Retirement System 0.00% No change 89,506 $359K
Boothbay Fund Management, LLC 0.01% Add +33.7% 81,937 $329K
Intech Investment Management LLC 0.00% Add +11.3% 79,654 $319K
Jane Street Group, LLC 0.00% Reduce -28.5% 72,396 $290K
Teacher Retirement System of Texas 0.00% Add +35.9% 72,022 $289K
Deutsche Bank AG 0.00% Reduce -7.3% 71,403 $286K
Assenagon Asset Management S.A. 0.00% Reduce -10.5% 70,123 $281K
Wells Fargo & Company 0.00% Add +8.7% 65,755 $264K
Los Angeles Capital Management LLC 0.00% Add +9.6% 64,160 $257K
Bailard, Inc. 0.01% Add +3.5% 63,600 $255K
T. Rowe Price Associates Inc. 0.00% Reduce -10.7% 60,139 $242K
XTX Topco Ltd 0.01% Reduce -63.3% 57,995 $233K
MetLife Investment Management, LLC 0.00% Add +47.5% 56,676 $227K
Worth Venture Partners, LLC 1.84% Add +9.9% 55,564 $223K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -4.3% 52,590 $211K
Citigroup Inc. 0.00% Reduce -38.0% 51,096 $205K
Public Employees Retirement System of Ohio 0.00% No change 50,945 $204K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +408.9% 47,307 $190K
Balyasny Asset Management L.P. 0.00% New 46,472 $186K
State Board of Administration of Florida Retirement System 0.00% No change 37,543 $151K
Manufacturers Life Insurance Company, The 0.00% Add +7.1% 36,842 $148K
AXA S.A. 0.00% No change 36,762 $147K
Janus Henderson Group PLC 0.00% No change 35,625 $143K
Focus Partners Wealth 0.00% Add +0.0% 35,585 $143K
HSBC Holdings PLC 0.00% Reduce -4.4% 32,599 $131K
Susquehanna Portfolio Strategies, LLC 0.00% New 30,173 $121K
Envestnet Asset Management Inc. 0.00% Reduce -6.9% 29,892 $120K
Arizona State Retirement System 0.00% Add +2.0% 28,199 $113K
Renaissance Technologies 0.00% Reduce -81.0% 27,500 $110K
HighTower Advisors, LLC 0.00% Add +0.2% 25,147 $101K
Creative Planning 0.00% Add +64.8% 24,621 $99K
Essex Financial Services, Inc. 0.01% Add +0.1% 24,076 $97K
Prelude Capital Management, LLC 0.01% Reduce -29.6% 23,738 $95K
New York State Common Retirement Fund 0.00% No change 22,549 $90K
Police & Firemen's Retirement System of New Jersey 0.00% No change 21,239 $85K
Two Sigma Investments, LP 0.00% New 20,811 $83K
Vista Investment Partners LLC 0.02% No change 20,400 $82K
Simplex Trading, LLC 0.00% Add +1566.4% 19,880 $79K
ProShare Advisors LLC 0.00% Reduce -2.9% 19,236 $77K
Ironwood Investment Management LLC 0.04% Reduce -3.0% 18,645 $75K
STRS Ohio 0.00% No change 17,600 $71K
Polymer Capital Management (US) LLC 0.01% Reduce -70.8% 17,417 $70K
Jump Financial, LLC 0.00% New 16,790 $67K
KLP Kapitalforvaltning As 0.00% No change 15,500 $62K
Tiaa Trust, National Association 0.00% New 15,000 $60K
Almanack Investment Partners, LLC. 0.01% New 14,550 $58K
NewEdge Wealth, LLC 0.00% Reduce -0.4% 15,069 $57K
First Bank & Trust 0.01% Reduce -53.1% 13,725 $55K
Engineers Gate Manager LP 0.00% New 13,176 $53K
Occudo Quantitative Strategies LP 0.01% New 12,534 $50K
Prudential Financial Inc. 0.00% New 11,711 $47K
Cibc World Markets Corp. 0.00% Reduce -43.1% 11,558 $46K
Royal Bank of Canada 0.00% Add +92.6% 11,318 $46K
Keel Point, LLC 0.00% New 11,102 $45K
Susquehanna Fundamental Investments, LLC 0.00% No change 11,100 $45K
Ballentine Partners, LLC 0.00% New 11,076 $44K
LPL Financial LLC 0.00% New 11,041 $44K
GRIMES & Co WEALTH MANAGEMENT, LLC 0.00% No change 10,030 $40K
Tower Research Capital LLC (TRC) 0.00% Add +453.3% 10,025 $40K
Integrated Wealth Concepts LLC 0.00% New 10,022 $40K
Fortis Advisors, LLC 0.03% No change 10,000 $40K
Ameritas Investment Partners, Inc. 0.00% No change 8,663 $35K
BNP Paribas Financial Markets 0.00% Reduce -79.6% 8,632 $35K
Fifth Third Bancorp 0.00% No change 6,477 $26K
FMR LLC 0.00% Reduce -23.8% 5,591 $22K
Comerica Bank 0.00% Add +10.8% 4,563 $18K
CANADA LIFE ASSURANCE Co 0.00% No change 3,680 $15K
US Bancorp \de 0.00% Add +41.4% 3,651 $15K
Cwm, LLC 0.00% Add +31.0% 3,525 $14K
Amalgamated Bank 0.00% No change 3,119 $13K
Allworth Financial LP 0.00% Add +7.8% 2,913 $12K
Sterling Capital Management LLC 0.00% Add +55.3% 2,453 $10K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 2,362 $9K
Medallion Wealth Advisors, LLC 0.00% No change 1,920 $8K
Community Bank, N.A. 0.00% No change 1,400 $6K
PNC Financial Services Group, Inc. 0.00% No change 1,036 $4K
Bessemer Group Inc. 0.00% New 818 $3K
Caitong International Asset Management Co., Ltd 0.00% New 549 $2K
SBI Securities Co., Ltd. 0.00% New 500 $2K
IFP Advisors, Inc 0.00% Add +330.0% 43 $2K
Rothschild Investment LLC 0.00% Add +52.7% 420 $2K
Osaic Holdings, Inc. 0.00% Add +5.6% 281 $1K
Essential Partners LLC 0.00% — 273 $1K
EverSource Wealth Advisors, LLC 0.00% Add +66.4% 213 $854
Maryland Capital Advisors Inc. 0.00% No change 200 $802
True Wealth Design, LLC 0.00% Add +503.0% 199 $798
Nisa Investment Advisors, LLC 0.00% Reduce -60.2% 166 $666
Larson Financial Group LLC 0.00% Add +9.7% 102 $409
CoreCap Advisors, LLC 0.00% No change 80 $321
Signaturefd, LLC 0.00% New 73 $293
TFC Financial Management, Inc. 0.00% No change 12 $49
GAMMA Investing LLC 0.00% New 10 $40
Arlington Trust Co LLC 0.00% No change 6 $24

"% of holder's portfolio" is RBBN's weight in each manager's 13F, not the share of Ribbon Communications Inc. the manager owns.