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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, Q1 2024

Institutional positions in Ribbon Communications Inc. as of Mar 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
132
+8 vs. Q4 2023
Shares held
124.3M
+3.58M (+3.0%) vs. Q4 2023
Total value
$397.7M
+$30.8M (+8.4%) vs. Q4 2023
New holders
20
40 more added
Sold out
12
49 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 132 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 heldQ1 2024: $397.7M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2023.

Institutions holding RBBN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC22$00.00%+22New
Arlington Trust Co LLC6$190.00%00.0%Unchanged
IFP Advisors, Inc10$320.00%00.0%Unchanged
Parallel Advisors, LLC10$320.00%+10New
TFC Financial Management12$390.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC18$570.00%+18New
Nisa Investment Advisors, LLC68$2180.00%+8+13.3%Added
Lindbrook Capital, LLC70$2240.00%+70New
CoreCap Advisors, LLC80$2560.00%+80New
Quadrant Capital Group LLC153$4900.00%+153New
Kelly Financial Services LLC200$6400.00%00.0%Unchanged
1832 Asset Management L.P.240$7680.00%+240New
ClariVest Asset Management LLC459$1.47K0.00%+118+34.6%Added
Advisor Group Holdings, Inc.460$1.47K0.00%−5,281−92.0%Reduced
Tower Research Capital LLC (TRC)545$1.74K0.00%−6,044−91.7%Reduced
First Horizon Advisors, Inc.1,209$3.87K0.00%+1,209New
Aquatic Capital Management LLC1,300$4.16K0.00%+1,300New
Community Bank, N.A.1,400$4.48K0.00%00.0%Unchanged
Clear Street Markets LLC1,446$5.00K0.00%+1,446New
The PNC Financial Services Group, Inc.1,895$6.06K0.00%+1,504+384.7%Added
Metropolitan Life Insurance Co2,411$7.71K0.00%−76−3.1%Reduced
Amalgamated Bank2,450$8.00K0.00%−4,225−63.3%Reduced
Royal Bank of Canada2,857$9.00K0.00%−20,157−87.6%Reduced
Allworth Financial LP3,122$9.99K0.00%00.0%Unchanged
FMR LLC3,172$10.2K0.00%−2,869−47.5%Reduced
Federation des caisses Desjardins du Quebec5,000$16.0K0.00%−50−1.0%Reduced
Comerica Bank5,500$17.6K0.00%+138+2.6%Added
Quantbot Technologies LP5,783$18.5K0.00%−1,700−22.7%Reduced
US Bancorp6,526$20.9K0.00%−1,294−16.5%Reduced
Ameritas Investment Partners, Inc.8,663$27.7K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co9,250$29.6K0.00%+9,250New
Fortis Advisors, LLC10,000$32.0K0.02%00.0%Unchanged
Kathmere Capital Management, LLC10,000$32.0K0.00%00.0%Unchanged
Innealta Capital, LLC10,004$32.0K0.01%+10,004New
Grimes & Company, Inc.10,030$32.1K0.00%00.0%Unchanged
Principal Financial Group Inc10,413$33.3K0.00%−798−7.1%Reduced
Prelude Capital Management, LLC11,000$35.2K0.00%+11,000New
Vestmark Advisory Solutions, Inc.13,803$44.2K0.00%00.0%Unchanged
NewEdge Wealth, LLC13,803$44.3K0.00%00.0%Unchanged
Verition Fund Management LLC13,900$44.5K0.00%+13,900New
Dynamic Technology Lab Private Ltd14,858$48.0K0.01%+14,858New
LPL Financial LLC15,148$48.5K0.00%+15,148New
Simplex Trading, LLC15,451$49.0K0.00%+295+1.9%Added
ProShare Advisors LLC15,961$51.1K0.00%+1,257+8.5%Added
STRS Ohio17,600$56.0K0.00%+17,600New
Ironwood Investment Management LLC18,692$59.8K0.03%−174−0.9%Reduced
Vista Investment Partners LLC20,400$65.3K0.02%00.0%Unchanged
New York State Common Retirement Fund21,948$70.2K0.00%−17,753−44.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)23,400$74.9K0.00%+10,458+80.8%Added
Essex Financial Services, Inc.24,000$76.8K0.01%00.0%Unchanged
HighTower Advisors, LLC25,051$79.0K0.00%−29−0.1%Reduced
Jane Street Group, LLC24,855$79.5K0.00%−23,047−48.1%Reduced
Arizona State Retirement System25,958$83.1K0.00%−356−1.4%Reduced
Worth Venture Partners, LLC29,738$95.2K0.66%−3,445−10.4%Reduced
Deutsche Bank AG30,019$96.1K0.00%−7,708−20.4%Reduced
SG Americas Securities, LLC33,479$107.0K0.00%−16,718−33.3%Reduced
Manufacturers Life Insurance Company, The34,573$110.6K0.00%−3,459−9.1%Reduced
Colony Group, LLC35,090$112.0K0.00%+35,090New
Boothbay Fund Management, LLC36,391$116.5K0.00%−76,907−67.9%Reduced
Janus Henderson Group PLC36,351$116.5K0.00%+90.0%Added
Palisade Capital Management LLC37,500$120.0K0.00%00.0%Unchanged
Two Sigma Investments, LP39,112$125.2K0.00%−6,735−14.7%Reduced
State Board of Administration of Florida Retirement System37,443$128.1K0.00%−100−0.3%Reduced
Great West Life Assurance Co42,808$137.0K0.00%00.0%Unchanged
Citigroup Inc42,880$137.2K0.00%+485+1.1%Added
HSBC Holdings PLC42,927$137.4K0.00%+21,713+102.4%Added
MetLife Investment Management42,995$137.6K0.00%+4,700+12.3%Added
American International Group, Inc.43,780$140.1K0.00%−375−0.8%Reduced
BNP Paribas Arbitrage, SA43,790$140.1K0.00%+19,346+79.1%Added
ExodusPoint Capital Management, LP45,706$146.0K0.00%+45,706New
Wells Fargo & Company45,966$147.1K0.00%+9,643+26.5%Added
Envestnet Asset Management Inc46,638$149.2K0.00%+11,131+31.3%Added
Russell Investments Group, Ltd.46,765$149.6K0.00%−2,270−4.6%Reduced
Price T Rowe Associates Inc52,535$169.0K0.00%−24,566−31.9%Reduced
Susquehanna International Group, LLP57,297$183.3K0.00%+19,503+51.6%Added
Millennium Management LLC61,556$197.0K0.00%−6,475−9.5%Reduced
Public Employees Retirement System of Ohio63,244$202.4K0.00%−2,730−4.1%Reduced
Meridian Wealth Advisors, LLC64,866$207.6K0.04%00.0%Unchanged
Legal & General Group Plc65,828$210.6K0.00%00.0%Unchanged
Engineers Gate Manager LP72,384$231.6K0.01%−391−0.5%Reduced
XTX Topco Ltd75,056$240.2K0.03%+64,352+601.2%Added
Citadel Advisors LLC75,200$240.6K0.00%+4,738+6.7%Added
SEI Investments Co75,632$242.1K0.00%+14,831+24.4%Added
Alliancebernstein L.P.87,290$279.3K0.00%−100.0%Reduced
SG Capital Management LLC88,110$282.0K0.09%00.0%Unchanged
California State Teachers Retirement System93,747$300.0K0.00%−4,466−4.5%Reduced
American Century Companies Inc95,756$306.4K0.00%+52,360+120.7%Added
UBS Group AG101,702$325.4K0.00%−3,276−3.1%Reduced
Barclays PLC114,885$367.6K0.00%−59,605−34.2%Reduced
Los Angeles Capital Management LLC120,620$386.0K0.00%00.0%Unchanged
Bank of America Corp129,782$415.3K0.00%−56,720−30.4%Reduced
Ameriprise Financial Inc136,294$436.1K0.00%00.0%Unchanged
Voya Investment Management LLC143,649$459.7K0.00%−5,737−3.8%Reduced
Rhumbline Advisers145,951$467.0K0.00%+4,823+3.4%Added
Pacific Ridge Capital Partners, LLC148,591$475.5K0.10%+9,822+7.1%Added
Assenagon Asset Management S.A.160,014$512.0K0.00%+26,571+19.9%Added
Two Sigma Advisers, LP165,200$528.6K0.00%−73,100−30.7%Reduced
UBS Asset Management Americas Inc177,247$567.2K0.00%+19,684+12.5%Added
Swiss National Bank185,474$593.5K0.00%00.0%Unchanged
Goldman Sachs Group Inc187,040$598.5K0.00%−44,337−19.2%Reduced