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Ribbon Communications Inc.

RBBN
Exchange
Nasdaq
Industry
Services-Computer Integrated Systems Design
SEC CIK
0001708055

No open-market purchases or sales by Ribbon Communications Inc. insiders were filed in the last 90 days; 160 institutions reported holding it in 13F filings for Q2 2026, worth $289.8M in total; no superinvestor holds it.

13F holders, Q4 2024

Institutional positions in Ribbon Communications Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
133
+8 vs. Q3 2024
Shares held
126.0M
+1.10M (+0.9%) vs. Q3 2024
Total value
$519.8M
+$117.5M (+29.2%) vs. Q3 2024
New holders
21
50 more added
Sold out
13
37 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RBBN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 133 institutions
Q1 2021: 146 institutionsQ2 2021: 127 institutionsQ3 2021: 124 institutionsQ4 2021: 129 institutionsQ1 2022: 136 institutionsQ2 2022: 132 institutionsQ3 2022: 129 institutionsQ4 2022: 130 institutionsQ1 2023: 145 institutionsQ2 2023: 127 institutionsQ3 2023: 122 institutionsQ4 2023: 125 institutionsQ1 2024: 132 institutionsQ2 2024: 129 institutionsQ3 2024: 126 institutionsQ4 2024: 133 institutionsQ1 2025: 144 institutionsQ2 2025: 145 institutionsQ3 2025: 153 institutionsQ4 2025: 153 institutionsQ1 2026: 150 institutionsQ2 2026: 160 institutions
Value heldQ4 2024: $519.8M
Q1 2021: $804.7MQ2 2021: $748.5MQ3 2021: $580.4MQ4 2021: $600.0MQ1 2022: $308.9MQ2 2022: $306.6MQ3 2022: $262.9MQ4 2022: $329.3MQ1 2023: $422.5MQ2 2023: $353.2MQ3 2023: $341.2MQ4 2023: $372.7MQ1 2024: $397.7MQ2 2024: $424.9MQ3 2024: $402.3MQ4 2024: $519.8MQ1 2025: $495.2MQ2 2025: $508.9MQ3 2025: $488.6MQ4 2025: $369.2MQ1 2026: $268.2MQ2 2026: $289.8M
Institutions holding RBBN and their total value by quarter
QuarterHoldersValue
Q2 2026160$289.8M
Q1 2026150$268.2M
Q4 2025153$369.2M
Q3 2025153$488.6M
Q2 2025145$508.9M
Q1 2025144$495.2M
Q4 2024133$519.8M
Q3 2024126$402.3M
Q2 2024129$424.9M
Q1 2024132$397.7M
Q4 2023125$372.7M
Q3 2023122$341.2M
Q2 2023127$353.2M
Q1 2023145$422.5M
Q4 2022130$329.3M
Q3 2022129$262.9M
Q2 2022132$306.6M
Q1 2022136$308.9M
Q4 2021129$600.0M
Q3 2021124$580.4M
Q2 2021127$748.5M
Q1 2021146$804.7M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2024.

Institutions holding RBBN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Transce3nd, LLC1$40.00%+1New
Arlington Trust Co LLC6$250.00%00.0%Unchanged
TFC Financial Management12$500.00%00.0%Unchanged
IFP Advisors, Inc4$670.00%−6−60.0%Reduced
Creative Planning39$1620.00%+39New
EverSource Wealth Advisors, LLC62$2580.00%+62New
Lindbrook Capital, LLC70$2910.00%00.0%Unchanged
CoreCap Advisors, LLC80$3330.00%00.0%Unchanged
Parallel Advisors, LLC97$4040.00%+97New
New Wave Wealth Advisors LLC100$4160.00%+100New
Nisa Investment Advisors, LLC166$6910.00%00.0%Unchanged
Group One Trading, L.P.171$7110.00%−745−81.3%Reduced
CWM, LLC333$1.00K0.00%+65+24.3%Added
Advisor Group Holdings, Inc.253$1.05K0.00%00.0%Unchanged
Rothschild Investment LLC275$1.14K0.00%+190+223.5%Added
SRS Capital Advisors, Inc.718$2.99K0.00%00.0%Unchanged
Quadrant Capital Group LLC796$3.31K0.00%+796New
MAI Capital Management916$3.81K0.00%+916New
The PNC Financial Services Group, Inc.1,041$4.33K0.00%+5+0.5%Added
Community Bank, N.A.1,400$5.82K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC1,920$7.99K0.00%+1,920New
Allworth Financial LP2,701$11.2K0.00%−401−12.9%Reduced
Sterling Capital Management LLC2,931$12.2K0.00%+2,643+917.7%Added
Tower Research Capital LLC (TRC)3,060$12.7K0.00%−6,634−68.4%Reduced
Amalgamated Bank3,119$13.0K0.00%00.0%Unchanged
Great West Life Assurance Co3,680$15.0K0.00%00.0%Unchanged
US Bancorp3,713$15.4K0.00%−603−14.0%Reduced
FMR LLC3,771$15.7K0.00%+333+9.7%Added
Comerica Bank4,307$17.9K0.00%−1,549−26.5%Reduced
Ameritas Investment Partners, Inc.8,663$36.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)9,296$38.7K0.00%00.0%Unchanged
Fortis Advisors, LLC10,000$41.6K0.03%00.0%Unchanged
Accredited Investor Services, LLC10,000$41.6K0.03%+10,000New
Grimes & Company, Inc.10,030$41.7K0.00%00.0%Unchanged
LPL Financial LLC10,095$42.0K0.00%−8,995−47.1%Reduced
Walleye Capital LLC10,447$43.5K0.00%+10,447New
Millennium Management LLC11,453$47.6K0.00%−13,918−54.9%Reduced
Royal Bank of Canada11,532$48.0K0.00%+2,204+23.6%Added
BNP Paribas Arbitrage, SA12,383$51.5K0.00%−7,009−36.1%Reduced
Fifth Third Bancorp12,887$53.6K0.00%00.0%Unchanged
Polymer Capital Management (US) LLC13,299$55.3K0.02%+13,299New
Penn Capital Management Co Inc13,371$55.6K0.01%+13,371New
Vestmark Advisory Solutions, Inc.13,803$57.4K0.00%00.0%Unchanged
NewEdge Wealth, LLC13,803$57.4K0.00%00.0%Unchanged
Renaissance Technologies LLC14,100$58.7K0.00%+14,100New
Two Sigma Investments, LP14,487$60.3K0.00%+128+0.9%Added
KLP Kapitalforvaltning AS15,500$64.5K0.00%+15,500New
STRS Ohio17,600$73.2K0.00%00.0%Unchanged
Engineers Gate Manager LP18,691$77.8K0.00%−22,704−54.8%Reduced
Jane Street Group, LLC18,850$78.4K0.00%−56,440−75.0%Reduced
Ironwood Investment Management LLC19,164$79.7K0.04%+239+1.3%Added
Vista Investment Partners LLC20,400$84.9K0.03%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey21,239$88.4K0.00%+21,239New
Susquehanna Fundamental Investments, LLC21,338$88.8K0.00%+21,338New
Two Sigma Advisers, LP21,800$90.7K0.00%−36,000−62.3%Reduced
New York State Common Retirement Fund22,549$93.8K0.00%00.0%Unchanged
Essex Financial Services, Inc.24,304$101.1K0.01%+178+0.7%Added
Inceptionr LLC24,988$104.0K0.02%+24,988New
HighTower Advisors, LLC25,261$105.1K0.00%+113+0.4%Added
ProShare Advisors LLC25,782$107.3K0.00%+8,485+49.1%Added
Arizona State Retirement System27,823$115.7K0.00%+281+1.0%Added
Prelude Capital Management, LLC33,918$141.1K0.01%−6,982−17.1%Reduced
Envestnet Asset Management Inc34,090$141.8K0.00%−20,351−37.4%Reduced
Manufacturers Life Insurance Company, The34,634$144.1K0.00%−2,122−5.8%Reduced
Colony Group, LLC35,140$146.2K0.00%+35,140New
Janus Henderson Group PLC35,625$148.4K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System37,543$156.2K0.00%00.0%Unchanged
HSBC Holdings PLC37,639$157.0K0.00%−957−2.5%Reduced
SG Americas Securities, LLC39,915$166.0K0.00%+5,122+14.7%Added
Corebridge Financial, Inc.45,512$189.3K0.00%−3,435−7.0%Reduced
Worth Venture Partners, LLC45,564$189.5K1.87%+10,955+31.7%Added
Susquehanna International Group, LLP45,605$189.7K0.00%+18,508+68.3%Added
Panagora Asset Management Inc50,595$210.5K0.00%−130,401−72.0%Reduced
Lazard Asset Management LLC52,588$218.0K0.00%+42,115+402.1%Added
Mirae Asset Global ETFs Holdings Ltd.52,584$218.7K0.00%+2,288+4.5%Added
MetLife Investment Management56,005$233.0K0.00%+25,434+83.2%Added
Intech Investment Management LLC56,236$233.9K0.00%+45,713+434.4%Added
Public Employees Retirement System of Ohio58,636$243.9K0.00%00.0%Unchanged
Wells Fargo & Company59,401$247.1K0.00%+11,715+24.6%Added
Price T Rowe Associates Inc62,604$261.0K0.00%+4,978+8.6%Added
Los Angeles Capital Management LLC66,820$278.0K0.00%−13,100−16.4%Reduced
Bailard, Inc.75,400$313.7K0.01%+75,400New
SEI Investments Co80,090$333.1K0.00%−277−0.3%Reduced
Deutsche Bank AG85,259$354.7K0.00%+30,760+56.4%Added
California State Teachers Retirement System89,506$372.3K0.00%−538−0.6%Reduced
Citigroup Inc90,299$375.6K0.00%+6,728+8.1%Added
Alliancebernstein L.P.98,957$411.7K0.00%−4,153−4.0%Reduced
American Century Companies Inc99,273$413.0K0.00%+1,729+1.8%Added
Legal & General Group Plc102,056$424.6K0.00%+34,753+51.6%Added
Bank of America Corp115,654$481.1K0.00%+17,763+18.1%Added
Voya Investment Management LLC115,962$482.4K0.00%−3,737−3.1%Reduced
Assenagon Asset Management S.A.120,954$503.2K0.00%−9,030−6.9%Reduced
Boothbay Fund Management, LLC131,498$547.0K0.02%+13,657+11.6%Added
Squarepoint Ops LLC131,928$548.8K0.00%−78,674−37.4%Reduced
Citadel Advisors LLC132,280$550.3K0.00%+51,024+62.8%Added
Ameriprise Financial Inc136,621$568.3K0.00%+3,622+2.7%Added
Rhumbline Advisers155,694$647.7K0.00%+13,990+9.9%Added
Russell Investments Group, Ltd.158,108$657.7K0.00%+120,743+323.1%Added
Barclays PLC180,551$751.1K0.00%+10,441+6.1%Added
Swiss National Bank185,474$771.6K0.00%00.0%Unchanged