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Ribbon Communications (RBBN) Institutional Ownership

Ribbon Communications logo
$3.97 +0.23 (+6.15%)
Closing price 08/22/2025 04:00 PM Eastern
Extended Trading
$3.96 -0.02 (-0.38%)
As of 08/22/2025 07:40 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 Polygon.io. 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)
71
Total
Institutional Inflows
(last 12 months)
$29.17M
Number of
Institutional Sellers
(last 12 months)
38
Total
Institutional Outflows
(last 12 months)
$18.94M
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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
8/15/2025 Tower Research Capital LLC TRC 10,025$40K0.0%+453.3%0.006%
8/15/2025 Keel Point LLC11,102$45K0.0%N/A0.006%
8/15/2025 Paradigm Capital Management Inc. NY8,748,200$35.08M1.7%-8.0%4.940%
8/15/2025 Engineers Gate Manager LP13,176$53K0.0%N/A0.007%
8/15/2025 BNP Paribas Financial Markets8,632$35K0.0%-79.6%0.005%
8/15/2025 Boothbay Fund Management LLC81,937$329K0.0%+33.7%0.046%
8/15/2025 Bank of America Corp DE104,634$420K0.0%-67.4%0.059%
8/15/2025 Ameriprise Financial Inc.148,710$596K0.0%+8.6%0.084%
8/14/2025 Jane Street Group LLC72,396$290K0.0%-28.5%0.041%
8/14/2025 Raymond James Financial Inc.348,642$1.40M0.0%+18.0%0.197%
8/14/2025 Occudo Quantitative Strategies LP12,534$50K0.0%N/A0.007%
8/14/2025 First Wilshire Securities Management Inc.1,331,200$5.34M1.5%-0.4%0.752%
8/13/2025 Jump Financial LLC16,790$67K0.0%N/A0.009%
8/13/2025 Bosun Asset Management LLC130,188$523K0.2%+7.3%0.074%
8/13/2025 Invesco Ltd.169,395$679K0.0%-9.3%0.096%
8/13/2025 Arrowstreet Capital Limited Partnership483,170$1.94M0.0%-13.1%0.273%
8/13/2025 Worth Venture Partners LLC55,564$223K0.3%+9.9%0.031%
8/13/2025 Russell Investments Group Ltd.203,224$815K0.0%+7.8%0.115%
8/12/2025 XTX Topco Ltd57,995$233K0.0%-63.3%0.033%
8/12/2025 Prudential Financial Inc.11,711$47K0.0%N/A0.007%
8/12/2025 American Century Companies Inc.184,047$738K0.0%+25.9%0.104%
8/12/2025 Rhumbline Advisers176,592$708K0.0%+15.3%0.100%
8/12/2025 Franklin Resources Inc.1,090,798$4.37M0.0%-10.6%0.616%
8/12/2025 White Pine Capital LLC418,957$1.68M0.5%+17.8%0.237%
8/8/2025 Intech Investment Management LLC79,654$319K0.0%+11.3%0.045%
8/8/2025 Creative Planning24,621$99K0.0%+64.8%0.014%
8/8/2025 Geode Capital Management LLC2,303,256$9.24M0.0%+7.9%1.301%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.1,476,053$5.92M0.0%+24.1%0.834%
8/7/2025 Los Angeles Capital Management LLC64,160$257K0.0%+9.6%0.036%
8/6/2025 First Eagle Investment Management LLC1,025,914$4.11M0.0%+16.5%0.579%
8/6/2025 Savant Capital LLC12,995$52K0.0%N/A0.007%
8/5/2025 TIAA Trust National Association15,000$60K0.0%N/A0.008%
8/1/2025 Teacher Retirement System of Texas72,022$289K0.0%+35.9%0.041%
7/25/2025 Almanack Investment Partners LLC.14,550$58K0.0%N/A0.008%
7/15/2025 Ballentine Partners LLC11,076$44K0.0%N/A0.006%
7/11/2025 Assenagon Asset Management S.A.70,123$281K0.0%-10.5%0.040%
7/9/2025 First Bank & Trust13,725$55K0.0%-53.1%0.008%
7/9/2025 Silverberg Bernstein Capital Management LLC392,579$1.57M1.1%+33.7%0.222%
6/27/2025 Goldman Sachs Group Inc.357,340$1.40M0.0%-14.2%0.202%
6/18/2025 Voya Investment Management LLC167,754$658K0.0%+44.7%0.095%
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6/3/2025 Inspire Investing LLC192,780$756K0.1%-5.0%0.109%
5/28/2025 Strs Ohio17,600$69K0.0%N/A0.010%
5/19/2025 Jane Street Group LLC101,211$397K0.0%+436.9%0.057%
5/16/2025 Goldman Sachs Group Inc.357,340$1.40M0.0%-14.2%0.202%
5/16/2025 Dynamic Technology Lab Private Ltd31,554$124K0.0%N/A0.018%
5/16/2025 Jacobs Levy Equity Management Inc.415,268$1.63M0.0%-2.7%0.235%
5/16/2025 Bosun Asset Management LLC121,322$476K0.2%N/A0.069%
5/16/2025 AQR Capital Management LLC205,287$805K0.0%N/A0.116%
5/15/2025 Paradigm Capital Management Inc. NY9,511,200$37.28M2.1%-6.2%5.387%
5/14/2025 Worth Venture Partners LLC50,564$198K0.4%+11.0%0.029%
5/14/2025 MetLife Investment Management LLC38,438$151K0.0%-31.4%0.022%
5/14/2025 Penn Capital Management Company LLC89,299$350K0.0%+567.9%0.051%
5/14/2025 Hsbc Holdings PLC34,106$133K0.0%-9.4%0.019%
5/13/2025 American Century Companies Inc.146,176$573K0.0%+47.2%0.083%
5/13/2025 Vestmark Advisory Solutions Inc.30,138$118K0.0%+118.3%0.017%
5/13/2025 Russell Investments Group Ltd.188,436$739K0.0%+19.2%0.107%
5/12/2025 Nuveen LLC330,794$1.30M0.0%N/A0.187%
5/12/2025 Invesco Ltd.186,705$732K0.0%-11.0%0.106%
5/12/2025 Connor Clark & Lunn Investment Management Ltd.1,189,250$4.66M0.0%+76.1%0.674%
5/12/2025 Herald Investment Management Ltd912,869$3.58M0.7%-18.8%0.517%
5/9/2025 Deutsche Bank AG77,070$302K0.0%-9.6%0.044%
5/9/2025 Charles Schwab Investment Management Inc.747,781$2.93M0.0%-1.7%0.424%
5/9/2025 Vanguard Group Inc.7,457,467$29.23M0.0%+0.7%4.224%
5/8/2025 XTX Topco Ltd157,828$619K0.0%N/A0.089%
5/6/2025 Royce & Associates LP3,092,068$12.12M0.1%+10.3%1.751%
5/5/2025 Allianz Asset Management GmbH14,500$57K0.0%N/A0.008%
5/2/2025 Bailard Inc.61,445$241K0.0%-18.5%0.035%
5/2/2025 Victory Capital Management Inc.605,306$2.37M0.0%+8.9%0.344%
4/29/2025 Bank of New York Mellon Corp319,543$1.25M0.0%-2.4%0.182%
4/28/2025 Teacher Retirement System of Texas53,009$208K0.0%N/A0.030%
4/28/2025 First Bank & Trust29,262$115K0.0%N/A0.017%
4/15/2025 Fifth Third Bancorp6,477$25K0.0%-49.7%0.004%
4/15/2025 Assenagon Asset Management S.A.78,330$307K0.0%-35.2%0.045%
4/10/2025 Silverberg Bernstein Capital Management LLC293,583$1.15M1.1%-7.1%0.167%
2/18/2025 Paradigm Capital Management Inc. NY10,138,621$42.18M2.0%-4.3%5.781%
2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC476,868$1.98M0.0%+33.4%0.272%
2/17/2025 Squarepoint Ops LLC131,928$549K0.0%-37.4%0.075%
2/17/2025 Two Sigma Advisers LP21,800$91K0.0%-62.3%0.012%
2/17/2025 ProShare Advisors LLC25,782$107K0.0%+49.1%0.015%
2/17/2025Nuveen Asset Management LLC330,620$1.38M0.0%-5.2%0.189%
2/17/2025 Millennium Management LLC11,453$48K0.0%-54.9%0.007%
2/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.52,584$219K0.0%+4.5%0.030%
2/17/2025 Lazard Asset Management LLC52,588$218K0.0%+402.1%0.030%
2/17/2025 Jacobs Levy Equity Management Inc.426,932$1.78M0.0%+4.3%0.243%
2/17/2025 Focus Partners Wealth35,140$146K0.0%N/A0.020%
2/17/2025 Deutsche Bank AG85,259$355K0.0%+56.4%0.049%
2/17/2025 D. E. Shaw & Co. Inc.469,499$1.95M0.0%+22.1%0.268%
2/17/2025 Bank of America Corp DE115,654$481K0.0%+18.1%0.066%
2/17/2025 BNP Paribas Financial Markets12,383$52K0.0%-36.1%0.007%
2/17/2025 Ameriprise Financial Inc.136,621$568K0.0%+2.7%0.078%
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2/14/2025 Jane Street Group LLC18,850$78K0.0%-75.0%0.011%
2/14/2025 Northern Trust Corp828,163$3.45M0.0%+7.3%0.472%
2/14/2025 The Manufacturers Life Insurance Company34,634$144K0.0%-5.8%0.020%
2/14/2025 Boothbay Fund Management LLC131,498$547K0.0%+11.6%0.075%
2/14/2025 Susquehanna Fundamental Investments LLC21,338$89K0.0%N/A0.012%
2/14/2025 Voya Investment Management LLC115,962$482K0.0%-3.1%0.066%
2/14/2025 Penn Capital Management Company LLC13,371$56K0.0%N/A0.008%
2/14/2025 Price T Rowe Associates Inc. MD62,604$261K0.0%+8.6%0.036%
2/14/2025 MetLife Investment Management LLC56,005$233K0.0%+83.2%0.032%
2/14/2025 Dimensional Fund Advisors LP6,314,669$26.27M0.0%+5.0%3.601%
(Data available from 1/1/2016 forward)

RBBN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of RBBN shares?

During the previous two years, 117 institutional investors and hedge funds held shares of Ribbon Communications. The most heavily invested institutionals were Paradigm Capital Management Inc. NY ($35.08M), Vanguard Group Inc. ($29.23M), Dimensional Fund Advisors LP ($26.27M), Royce & Associates LP ($12.12M), Geode Capital Management LLC ($9.24M), State Street Corp ($6.17M), and Connor Clark & Lunn Investment Management Ltd. ($5.92M).Learn more on Ribbon Communications' institutional investors.

What percentage of Ribbon Communications' stock is owned by institutional investors?

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

Which institutional investors have been buying Ribbon Communications' stock?

Of the 91 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: Connor Clark & Lunn Investment Management Ltd. ($1.11M), Royce & Associates LP ($942.31K), Paradigm Capital Management Inc. NY ($897.05K), First Eagle Investment Management LLC ($893.25K), Dimensional Fund Advisors LP ($573.01K), Victory Capital Management Inc. ($568.89K), and Silverberg Bernstein Capital Management LLC ($504.59K).

How much institutional buying is happening at Ribbon Communications?

Institutional investors have bought a total of 7,387,649 shares in the last 24 months. This purchase volume represents approximately $29.17M in transactions.

Which of Ribbon Communications' major shareholders have been selling company stock?

Of the 38 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: Paradigm Capital Management Inc. NY ($1.84M), Franklin Resources Inc. ($652.44K), Herald Investment Management Ltd ($503K), Jacobs Levy Equity Management Inc. ($362.51K), Bank of America Corp DE ($216.43K), Arrowstreet Capital Limited Partnership ($173.47K), and Goldman Sachs Group Inc. ($118.58K).

How much institutional selling is happening at Ribbon Communications?

Institutional investors have sold a total of 4,845,610 shares in the last 24 months. This volume of shares sold represents approximately $18.94M in transactions.


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This page (NASDAQ:RBBN) was last updated on 8/23/2025 by MarketBeat.com Staff
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