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Ribbon Communications (RBBN) Institutional Ownership

Ribbon Communications logo
$1.57 -0.13 (-7.65%)
Closing price 10/12/2026 04:00 PM Eastern
Extended Trading
$1.58 +0.01 (+0.96%)
As of 10/12/2026 07:45 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Ribbon Communications (NASDAQ:RBBN)

Current
Institutional Ownership
Percentage
70.92%
Number of
Institutional Buyers
(last 12 months)
73
Total
Institutional Inflows
(last 12 months)
$54.76M
Number of
Institutional Sellers
(last 12 months)
28
Total
Institutional Outflows
(last 12 months)
$17.37M
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RBBN Institutional Buying and Selling by Quarter

Ribbon Communications Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026WINTON GROUP Ltd149,404$350K0.0%+198.1%0.084%
9/9/2026Squarepoint Ops LLC191,402$448K0.0%N/A0.107%
8/21/2026AXQ Capital LP10,535$25K0.0%N/A0.006%
8/20/2026Susquehanna Fundamental Investments LLC46,661$109K0.0%-14.4%0.026%
8/19/2026Hsbc Holdings PLC26,991$62K0.0%N/A0.015%
8/18/2026Empowered Funds LLC94,418$221K0.0%N/A0.053%
8/18/2026Public Employees Retirement System of Ohio60,645$142K0.0%N/A0.034%
8/17/2026Bank of America Corp DE188,437$441K0.0%N/A0.105%
8/14/2026Hsbc Holdings PLC26,991$62K0.0%N/A0.015%
8/14/2026Canada Pension Plan Investment Board11,400$27K0.0%N/A0.006%
8/14/2026The Manufacturers Life Insurance Company25,567$60K0.0%N/A0.014%
8/14/2026Paradigm Capital Management Inc. NY3,036,398$7.11M0.2%N/A1.698%
8/13/2026Connor Clark & Lunn Investment Management Ltd.2,213,134$5.18M0.0%N/A1.238%
8/12/2026Ieq Capital LLC20,436$48K0.0%N/A0.011%
8/10/2026NewEdge Wealth LLC16,260$38K0.0%N/A0.009%
8/7/2026BlackRock Inc.7,146,590$16.72M0.0%N/A3.997%
8/7/2026Deutsche Bank AG81,935$192K0.0%N/A0.046%
8/6/2026Global Retirement Partners LLC24,301$57K0.0%N/A0.014%
8/6/2026Bank of New York Mellon Corp379,800$889K0.0%N/A0.212%
8/6/2026GSA Capital Partners LLP174,044$407K0.0%N/A0.097%
6/16/2026Empowered Funds LLC88,231$187K0.0%N/A0.050%
5/19/2026Bank of America Corp DE208,230$441K0.0%+41.0%0.118%
5/18/2026Empowered Funds LLC88,231$187K0.0%N/A0.050%
5/14/2026Paradigm Capital Management Inc. NY8,036,335$17.04M0.7%-3.4%4.562%
5/14/2026Arrowstreet Capital Limited Partnership1,216,876$2.58M0.0%+18.2%0.691%
5/14/2026Sei Investments Co.81,706$173K0.0%-41.7%0.046%
5/14/2026State of Wyoming54,933$116K0.0%N/A0.031%
5/13/2026NewEdge Wealth LLC16,260$34K0.0%N/A0.009%
5/12/2026First Wilshire Securities Management Inc.1,407,178$2.98M0.7%+11.0%0.799%
5/7/2026Dimensional Fund Advisors LP6,351,110$13.46M0.0%-1.9%3.619%
5/5/2026Bank of New York Mellon Corp377,364$800K0.0%-3.2%0.215%
4/27/2026Y Intercept Hong Kong Ltd12,356$26K0.0%N/A0.007%
4/22/2026Trilogy Capital Inc.15,360$33K0.0%-76.5%0.009%
4/20/2026OP Asset Management Ltd206,802$438K0.0%N/A0.118%
4/16/2026SG Americas Securities LLC32,161$68K0.0%-22.6%0.018%
2/24/2026DGS Capital Management LLC12,475$36K0.0%N/A0.007%
2/18/2026Mackenzie Financial Corp10,652$31K0.0%N/A0.006%
2/18/2026XTX Topco Ltd102,885$296K0.0%-31.6%0.058%
2/18/2026nVerses Capital LLC12,987$37K0.1%N/A0.007%
2/18/2026Susquehanna Fundamental Investments LLC54,537$157K0.0%+196.4%0.031%
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2/18/2026Oxford Asset Management LLP55,568$160K0.1%N/A0.031%
2/18/2026Millennium Management LLC54,306$156K0.0%N/A0.031%
2/18/2026Engineers Gate Manager LP55,480$160K0.0%N/A0.031%
2/18/2026Boothbay Fund Management LLC11,104$32K0.0%-45.8%0.006%
2/17/2026AQR Capital Management LLC491,471$1.42M0.0%+190.6%0.278%
2/17/2026RPO LLC22,208$64K0.0%N/A0.013%
2/17/2026Amundi17,768$51K0.0%N/A0.010%
2/17/2026Price T Rowe Associates Inc. MD69,822$202K0.0%+15.0%0.040%
2/17/2026Public Employees Retirement System of Ohio60,645$175K0.0%+19.0%0.034%
2/17/2026Russell Investments Group Ltd.87,532$252K0.0%-73.5%0.050%
2/17/2026State of Wisconsin Investment Board310,366$894K0.0%+11.4%0.176%
2/17/2026ExodusPoint Capital Management LP198,191$571K0.0%N/A0.112%
2/16/2026Verition Fund Management LLC40,496$117K0.0%N/A0.023%
2/16/2026Kennedy Capital Management LLC710,703$2.05M0.0%N/A0.402%
2/16/2026Barclays PLC202,461$583K0.0%+30.8%0.115%
2/13/2026Marshall Wace LLP173,702$500K0.0%-49.8%0.098%
2/13/2026Jacobs Levy Equity Management Inc.890,168$2.56M0.0%+88.9%0.504%
2/13/2026State Street Corp2,099,793$6.05M0.0%+0.3%1.189%
2/13/2026Dynamic Technology Lab Private Ltd91,026$262K0.1%+30.0%0.052%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC212,624$612K0.0%-2.6%0.120%
2/13/2026Wells Fargo & Company MN110,798$319K0.0%+42.7%0.063%
2/12/2026Jane Street Group LLC379,465$1.09M0.0%+89.0%0.215%
2/12/2026MetLife Investment Management LLC37,319$107K0.0%-30.9%0.021%
2/12/2026Paradigm Capital Management Inc. NY8,323,298$23.97M1.0%-4.9%4.713%
2/12/2026Dimensional Fund Advisors LP6,475,125$18.65M0.0%-1.1%3.667%
2/12/2026EntryPoint Capital LLC124,573$359K0.1%+285.4%0.071%
2/12/2026Nuveen LLC176,235$508K0.0%-35.6%0.100%
2/12/2026First Wilshire Securities Management Inc.1,267,586$3.65M0.9%-2.9%0.718%
2/11/2026Franklin Resources Inc.71,204$205K0.0%-88.1%0.040%
2/11/2026WINTON GROUP Ltd33,095$95K0.0%N/A0.019%
2/10/2026Goldman Sachs Group Inc.787,493$2.27M0.0%+85.7%0.446%
2/10/2026Intech Investment Management LLC27,087$78K0.0%-31.8%0.015%
2/9/2026Geode Capital Management LLC2,302,573$6.63M0.0%-0.3%1.304%
2/9/2026Royce & Associates LP4,614,741$13.29M0.1%+7.2%2.613%
2/6/2026Global Retirement Partners LLC29,778$86K0.0%N/A0.017%
2/6/2026GSA Capital Partners LLP287,583$828K0.1%+33.0%0.163%
2/4/2026Pacific Ridge Capital Partners LLC246,129$709K0.2%+4.6%0.139%
2/4/2026First Eagle Investment Management LLC862,528$2.48M0.0%-16.6%0.488%
2/3/2026Indivisible Partners10,257$30K0.0%N/A0.006%
1/23/2026State of Alaska Department of Revenue25,390$72K0.0%+227.2%0.014%
1/22/2026Trilogy Capital Inc.65,360$188K0.0%+163.0%0.037%
1/13/2026Kathmere Capital Management LLC10,000$29K0.0%N/A0.006%
1/12/2026Silverberg Bernstein Capital Management LLC436,023$1.26M0.7%+1.9%0.247%
1/9/2026SG Americas Securities LLC41,537$120K0.0%+102.7%0.024%
1/9/2026Assenagon Asset Management S.A.40,355$116K0.0%-20.3%0.023%
11/24/2025Penn Capital Management Company LLC160,129$608K0.0%+33.6%0.091%
11/17/2025Jacobs Levy Equity Management Inc.471,201$1.79M0.0%+9.0%0.267%
11/17/2025NewEdge Advisors LLC17,883$68K0.0%N/A0.010%
11/17/2025XTX Topco Ltd150,358$571K0.0%+159.3%0.085%
11/17/2025Susquehanna Fundamental Investments LLC18,401$70K0.0%+65.8%0.010%
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11/17/2025Prelude Capital Management LLC32,838$125K0.0%+38.3%0.019%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.44,714$170K0.0%-15.0%0.025%
11/17/2025Citadel Advisors LLC55,554$211K0.0%N/A0.031%
11/17/2025Brevan Howard Capital Management LP15,499$59K0.0%N/A0.009%
11/17/2025Cinctive Capital Management LP524,067$1.99M0.1%N/A0.297%
11/17/2025Bank of America Corp DE90,486$344K0.0%-13.5%0.051%
11/17/2025Boothbay Fund Management LLC20,483$78K0.0%-75.0%0.012%
11/17/2025Alliancebernstein L.P.119,317$453K0.0%+5.3%0.068%
11/17/2025Ameriprise Financial Inc.100,064$380K0.0%-32.7%0.057%
11/14/2025Schonfeld Strategic Advisors LLC10,826$41K0.0%N/A0.006%


RBBN Institutional Ownership - Frequently Asked Questions

During the previous two years, 132 institutional investors and hedge funds held shares of Ribbon Communications. The most heavily invested institutionals were JPMorgan Chase & Co. ($191.10M), Vanguard Group Inc. ($29.23M), BlackRock Inc. ($16.72M), Dimensional Fund Advisors LP ($13.46M), Royce & Associates LP ($13.29M), Paradigm Capital Management Inc. NY ($7.11M), and Geode Capital Management LLC ($6.63M).Learn more on Ribbon Communications' institutional investors.

70.92% of Ribbon Communications' stock is owned by institutional investors. Learn more on RBBN's institutional investor holdings.

Of the 118 institutional investors that purchased Ribbon Communications' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($7.15M), Connor Clark & Lunn Investment Management Ltd. ($3.32M), Paradigm Capital Management Inc. NY ($3.04M), Royce & Associates LP ($1.88M), First Eagle Investment Management LLC ($901.25K), Kennedy Capital Management LLC ($710.70K), and Arrowstreet Capital Limited Partnership ($668.44K).

Institutional investors have bought a total of 20,904,750 shares in the last 24 months. This purchase volume represents approximately $54.76M in transactions.

Of the 28 institutional investors that sold Ribbon Communications' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: JPMorgan Chase & Co. ($1.75M), Franklin Resources Inc. ($1.02M), Paradigm Capital Management Inc. NY ($712.87K), Russell Investments Group Ltd. ($242.66K), Dimensional Fund Advisors LP ($214.06K), Marshall Wace LLP ($172.39K), and First Eagle Investment Management LLC ($171.39K).

Institutional investors have sold a total of 5,262,966 shares in the last 24 months. This volume of shares sold represents approximately $17.37M in transactions.


Related Companies

Institutional ownership data for NASDAQ:RBBN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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