Ribbon CommunicationsRBBN

13F holders, Q4 2024 (December 31)
133holders +7
14new positions
13sold out
4famous investors
$4.12avg. 13F price*

At the end of Q4 2024, 133 institutions reported holding Ribbon Communications Inc. (RBBN) in their 13F filings, up 7 from Q3 2024. 14 opened new positions and 13 sold out. The largest holders were JPMorgan Chase & Co. ($216.5M), Neuberger Berman Group LLC ($72.3M) and Paradigm Capital Management Inc. ($42.2M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions14$2.4M
Exits13$4.1M

All 13F filers, Q3 2024 → Q4 2024: 4,045,060 shares bought and 3,024,099 shares sold, net +1,020,961 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 133 holders

JPMorgan Chase & Co. 0.02% Add +0.0% 52,037,673 $216.5M
Neuberger Berman Group LLC 0.06% Reduce -0.4% 18,463,941 $72.3M
Paradigm Capital Management Inc. 1.95% Reduce -4.3% 10,138,621 $42.2M
BlackRock, Inc. 0.00% Add +1.4% 7,790,461 $32.4M
Vanguard Group Inc. 0.00% Add +4.2% 7,402,073 $30.8M
Dimensional Fund Advisors LP 0.01% Add +5.0% 6,314,669 $26.3M
Royce & Associates LP 0.11% Add +10.5% 2,802,858 $11.7M
Geode Capital Management, LLC 0.00% Reduce -0.3% 2,096,000 $8.7M
State Street Corp. 0.00% Add +4.7% 1,987,456 $8.3M
First Wilshire Securities Management Inc. 1.51% Add +14.1% 1,334,473 $5.6M
Franklin Resources Inc. 0.00% Reduce -12.3% 1,300,343 $5.4M
HERALD INVESTMENT MANAGEMENT Ltd 0.77% Reduce -20.6% 1,123,678 $4.7M
Northern Trust Corp. 0.00% Add +7.3% 828,163 $3.4M
First Eagle Investment Management, LLC 0.01% Add +1049.5% 819,369 $3.4M
Charles Schwab Investment Management Inc. 0.00% Reduce -0.3% 760,767 $3.2M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +62.2% 675,265 $2.8M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -14.5% 589,756 $2.5M
Victory Capital Management Inc. 0.00% Add +10.2% 555,839 $2.3M
UBS Group AG 0.00% Add +199.9% 502,756 $2.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +33.4% 476,868 $2.0M
D. E. Shaw & Co. 0.00% Add +22.1% 469,499 $2.0M
Morgan Stanley 0.00% Add +9.8% 443,409 $1.8M
Jacobs Levy Equity Management, Inc. 0.01% Add +4.3% 426,932 $1.8M
Goldman Sachs Group Inc. 0.00% Add +12.4% 416,631 $1.7M
White Pine Capital LLC 0.49% Reduce -0.6% 352,747 $1.5M
Nuveen Asset Management, LLC 0.00% Reduce -5.2% 330,620 $1.4M
Bank of New York Mellon Corp 0.00% Reduce -10.3% 327,544 $1.4M
Federated Hermes, Inc. 0.00% Reduce -26.5% 318,474 $1.3M
Silverberg Bernstein Capital Management LLC 1.16% Reduce -13.6% 316,110 $1.3M
Pacific Ridge Capital Partners, LLC 0.23% No change 237,325 $987K
Invesco Ltd. 0.00% Add +0.4% 209,813 $873K
Inspire Investing, LLC 0.09% New 202,858 $844K
Maxi Investments CY Ltd 0.16% New 195,266 $812K
Swiss National Bank 0.00% No change 185,474 $772K
Barclays PLC 0.00% Add +6.1% 180,551 $751K
Russell Investments Group, Ltd. 0.00% Add +323.1% 158,108 $658K
Rhumbline Advisers 0.00% Add +9.9% 155,694 $648K
Ameriprise Financial Inc. 0.00% Add +2.7% 136,621 $568K
Citadel Advisors 0.00% Add +62.8% 132,280 $550K
Squarepoint Ops LLC 0.00% Reduce -37.4% 131,928 $549K
Boothbay Fund Management, LLC 0.02% Add +11.6% 131,498 $547K
Assenagon Asset Management S.A. 0.00% Reduce -7.0% 120,954 $503K
Voya Investment Management LLC 0.00% Reduce -3.1% 115,962 $482K
Bank of America Corp. 0.00% Add +18.1% 115,654 $481K
Legal & General Group Plc 0.00% Add +51.6% 102,056 $425K
American Century Companies Inc. 0.00% Add +1.8% 99,273 $413K
Alliancebernstein L.P. 0.00% Reduce -4.0% 98,957 $412K
Citigroup Inc. 0.00% Add +8.1% 90,299 $376K
California State Teachers Retirement System 0.00% Reduce -0.6% 89,506 $372K
Deutsche Bank AG 0.00% Add +56.4% 85,259 $355K
Sei Investments Co. 0.00% Reduce -0.3% 80,090 $333K
Bailard, Inc. 0.01% New 75,400 $314K
Los Angeles Capital Management LLC 0.00% Reduce -16.4% 66,820 $278K
T. Rowe Price Associates Inc. 0.00% Add +8.6% 62,604 $261K
Wells Fargo & Company 0.00% Add +24.6% 59,401 $247K
Public Employees Retirement System of Ohio 0.00% No change 58,636 $244K
Intech Investment Management LLC 0.00% Add +434.4% 56,236 $234K
MetLife Investment Management, LLC 0.00% Add +83.2% 56,005 $233K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.5% 52,584 $219K
Lazard Asset Management LLC 0.00% Add +402.1% 52,588 $218K
Panagora Asset Management Inc. 0.00% Reduce -72.0% 50,595 $210K
Susquehanna International Group, LLP 0.00% Add +68.3% 45,605 $190K
Worth Venture Partners, LLC 1.87% Add +31.6% 45,564 $190K
Corebridge Financial, Inc. 0.00% Reduce -7.0% 45,512 $189K
SG Americas Securities, LLC 0.00% Add +14.7% 39,915 $166K
HSBC Holdings PLC 0.00% Reduce -2.5% 37,639 $157K
State Board of Administration of Florida Retirement System 0.00% No change 37,543 $156K
Janus Henderson Group PLC 0.00% No change 35,625 $148K
Focus Partners Wealth 0.00% New 35,140 $146K
Manufacturers Life Insurance Company, The 0.00% Reduce -5.8% 34,634 $144K
Envestnet Asset Management Inc. 0.00% Reduce -37.4% 34,090 $142K
Prelude Capital Management, LLC 0.01% Reduce -17.1% 33,918 $141K
Arizona State Retirement System 0.00% Add +1.0% 27,823 $116K
ProShare Advisors LLC 0.00% Add +49.0% 25,782 $107K
HighTower Advisors, LLC 0.00% Add +0.5% 25,261 $105K
Inceptionr LLC 0.02% New 24,988 $104K
Essex Financial Services, Inc. 0.01% Add +0.7% 24,304 $101K
New York State Common Retirement Fund 0.00% No change 22,549 $94K
Two Sigma Advisers, LP 0.00% Reduce -62.3% 21,800 $91K
Susquehanna Fundamental Investments, LLC 0.00% — 21,338 $89K
Police & Firemen's Retirement System of New Jersey 0.00% — 21,239 $88K
Vista Investment Partners LLC 0.03% No change 20,400 $85K
Ironwood Investment Management LLC 0.04% Add +1.3% 19,164 $80K
Jane Street Group, LLC 0.00% Reduce -75.0% 18,850 $78K
Engineers Gate Manager LP 0.00% Reduce -54.9% 18,691 $78K
STRS Ohio 0.00% No change 17,600 $73K
KLP Kapitalforvaltning As 0.00% — 15,500 $64K
Two Sigma Investments, LP 0.00% Add +0.9% 14,487 $60K
Renaissance Technologies 0.00% New 14,100 $59K
Vestmark Advisory Solutions, Inc. 0.00% No change 13,803 $57K
NewEdge Wealth, LLC 0.00% No change 13,803 $57K
Penn Capital Management Company, LLC 0.01% New 13,371 $56K
Polymer Capital Management (US) LLC 0.02% — 13,299 $55K
Fifth Third Bancorp 0.00% No change 12,887 $54K
BNP Paribas Financial Markets 0.00% Reduce -36.1% 12,383 $52K
Royal Bank of Canada 0.00% Add +23.6% 11,532 $48K
Millennium Management 0.00% Reduce -54.9% 11,453 $48K
Walleye Capital LLC 0.00% New 10,447 $43K
LPL Financial LLC 0.00% Reduce -47.1% 10,095 $42K
GRIMES & Co WEALTH MANAGEMENT, LLC 0.00% No change 10,030 $42K
Accredited Investor Services, LLC 0.03% — 10,000 $42K
Fortis Advisors, LLC 0.03% No change 10,000 $42K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 9,296 $39K
Ameritas Investment Partners, Inc. 0.00% No change 8,663 $36K
Comerica Bank 0.00% Reduce -26.4% 4,307 $18K
FMR LLC 0.00% Add +9.7% 3,771 $16K
US Bancorp \de 0.00% Reduce -14.0% 3,713 $15K
CANADA LIFE ASSURANCE Co 0.00% No change 3,680 $15K
Amalgamated Bank 0.00% No change 3,119 $13K
Tower Research Capital LLC (TRC) 0.00% Reduce -68.4% 3,060 $13K
Sterling Capital Management LLC 0.00% Add +917.7% 2,931 $12K
Allworth Financial LP 0.00% Reduce -12.9% 2,701 $11K
Medallion Wealth Advisors, LLC 0.00% — 1,920 $8K
Community Bank, N.A. 0.00% No change 1,400 $6K
PNC Financial Services Group, Inc. 0.00% Add +0.5% 1,041 $4K
MAI Capital Management 0.00% New 916 $4K
Quadrant Capital Group LLC 0.00% New 796 $3K
Arax Advisory Partners 0.00% No change 718 $3K
Rothschild Investment LLC 0.00% Add +223.5% 275 $1K
Osaic Holdings, Inc. 0.00% No change 253 $1K
Cwm, LLC 0.00% Add +24.3% 333 $1K
Group One Trading LLC 0.00% Reduce -81.3% 171 $711
Nisa Investment Advisors, LLC 0.00% No change 166 $691
New Wave Wealth Advisors LLC 0.00% New 100 $416
Parallel Advisors, LLC 0.00% New 97 $404
CoreCap Advisors, LLC 0.00% No change 80 $333
Lindbrook Capital, LLC 0.00% No change 70 $291
EverSource Wealth Advisors, LLC 0.00% New 62 $258
Creative Planning 0.00% New 39 $162
IFP Advisors, Inc 0.00% Reduce -60.0% 4 $67
TFC Financial Management, Inc. 0.00% No change 12 $50
Arlington Trust Co LLC 0.00% No change 6 $25
Transce3nd, LLC 0.00% — 1 $4

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