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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 2023

Institutional positions in Ribbon Communications Inc. as of Mar 31, 2023. 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
145
+17 vs. Q4 2022
Shares held
119.6M
+1.68M (+1.4%) vs. Q4 2022
Total value
$422.5M
+$93.4M (+28.4%) vs. Q4 2022
New holders
30
53 more added
Sold out
13
36 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 145 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 2023: $422.5M
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 2023

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2022.

Institutions holding RBBN in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Arlington Partners LLC6$210.00%00.0%Unchanged
TFC Financial Management12$420.00%00.0%Unchanged
IFP Advisors, Inc10$610.00%−1,189−99.2%Reduced
Allworth Financial LP20$690.00%00.0%Unchanged
Signaturefd, LLC46$1570.00%00.0%Unchanged
Harvest Group Wealth Management, LLC112$3830.00%00.0%Unchanged
NewSquare Capital LLC140$4790.00%00.0%Unchanged
Armstrong Advisory Group, Inc157$5370.00%00.0%Unchanged
Kelly Financial Services LLC200$6840.00%00.0%Unchanged
Manchester Capital Management LLC267$9140.00%+123+85.4%Added
ClariVest Asset Management LLC460$2.00K0.00%+460New
WR Wealth Planners, LLC1,112$3.80K0.00%+1,112New
Aquatic Capital Management LLC1,300$4.00K0.00%+1,300New
US Bancorp1,174$4.01K0.00%00.0%Unchanged
Community Bank, N.A.1,400$4.79K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,666$5.70K0.00%+1,596+2,280.0%Added
Park Place Capital Corp2,158$7.38K0.00%00.0%Unchanged
Group One Trading, L.P.2,200$7.52K0.00%+1,000+83.3%Added
Tower Research Capital LLC (TRC)2,694$9.00K0.00%−11,548−81.1%Reduced
FMR LLC3,246$11.1K0.00%+1,920+144.8%Added
Great West Life Assurance Co3,680$13.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co3,940$13.5K0.00%−599−13.2%Reduced
Royal Bank of Canada4,103$14.0K0.00%−4,129−50.2%Reduced
Federation des caisses Desjardins du Quebec5,050$17.3K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.5,864$20.1K0.00%00.0%Unchanged
Amalgamated Bank7,404$25.0K0.00%−1,676−18.5%Reduced
Hanlon Investment Management, Inc.10,000$34.2K0.01%00.0%Unchanged
Fortis Advisors, LLC10,000$34.2K0.02%00.0%Unchanged
Grimes & Company, Inc.10,030$34.3K0.00%00.0%Unchanged
Quadrature Capital Ltd10,135$34.6K0.00%+10,135New
Qtron Investments LLC10,111$34.6K0.01%+10,111New
Zacks Investment Management10,378$35.5K0.00%+10,378New
Algert Global LLC10,380$35.5K0.00%+10,380New
Virtu Financial LLC11,183$38.0K0.00%+11,183New
Walleye Capital LLC11,395$39.0K0.00%−47,561−80.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,942$44.3K0.00%+3,646+39.2%Added
American Century Companies Inc13,504$46.5K0.00%+13,504New
Wells Fargo & Company14,472$49.5K0.00%+13,580+1,522.4%Added
National Bank of Canada14,929$50.9K0.00%+14,929New
Prelude Capital Management, LLC15,000$51.3K0.00%+15,000New
Victory Capital Management Inc15,447$52.8K0.00%−199−1.3%Reduced
Balyasny Asset Management LLC18,311$62.6K0.00%+18,311New
CM Wealth Advisors LLC29,241$67.0K0.01%+29,241New
Ironwood Investment Management LLC19,943$68.2K0.04%+1,889+10.5%Added
MQS Management LLC20,376$69.7K0.04%+20,376New
Arizona State Retirement System21,921$75.0K0.00%+649+3.1%Added
Essex Financial Services, Inc.24,000$82.1K0.01%00.0%Unchanged
HighTower Advisors, LLC24,947$85.0K0.00%−49−0.2%Reduced
Cubist Systematic Strategies, LLC25,522$87.3K0.00%+25,522New
SEI Investments Co25,928$88.7K0.00%+5,371+26.1%Added
HSBC Holdings PLC27,181$91.3K0.00%00.0%Unchanged
Scotia Capital Inc.28,701$98.2K0.00%+28,701New
Dynamic Technology Lab Private Ltd30,963$106.0K0.01%+30,963New
New York State Common Retirement Fund32,557$111.3K0.00%−12,223−27.3%Reduced
Manufacturers Life Insurance Company, The33,030$113.0K0.00%00.0%Unchanged
Legal & General Group Plc33,378$114.2K0.00%+3,075+10.1%Added
UBS Group AG33,671$115.2K0.00%+6,035+21.8%Added
American International Group, Inc.34,899$119.4K0.00%+694+2.0%Added
Janus Henderson Group PLC36,181$123.6K0.00%+17,586+94.6%Added
Citigroup Inc36,317$124.2K0.00%−2,534−6.5%Reduced
State Board of Administration of Florida Retirement System37,443$128.1K0.00%00.0%Unchanged
MetLife Investment Management38,295$131.0K0.00%+20,534+115.6%Added
Palisade Capital Management LLC40,015$136.9K0.00%−29,985−42.8%Reduced
Gsa Capital Partners LLP40,657$139.0K0.01%+5,036+14.1%Added
Renaissance Technologies LLC40,900$140.0K0.00%−35,300−46.3%Reduced
SG Americas Securities, LLC44,022$151.0K0.00%−27,649−38.6%Reduced
CIBC World Markets Inc.44,684$153.0K0.00%+44,684New
Worth Venture Partners, LLC45,000$153.9K0.08%+16,000+55.2%Added
Barclays PLC47,716$163.2K0.00%+17,299+56.9%Added
Public Employees Retirement System of Ohio50,066$171.0K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP53,762$184.0K0.00%+53,762New
Simplex Trading, LLC54,558$186.0K0.01%+54,549+606,100.0%Added
Alliancebernstein L.P.55,125$188.5K0.00%+2,272+4.3%Added
Zebra Capital Management LLC57,277$196.0K0.98%+57,277New
Deutsche Bank AG58,698$200.7K0.00%+14,822+33.8%Added
Quantbot Technologies LP59,615$203.9K0.01%+21,149+55.0%Added
Meridian Wealth Advisors, LLC64,866$221.8K0.06%00.0%Unchanged
UBS Asset Management Americas Inc68,540$234.4K0.00%+3,699+5.7%Added
Tudor Investment Corp Et Al69,022$236.0K0.00%−60,304−46.6%Reduced
Price T Rowe Associates Inc70,071$240.0K0.00%−7,309−9.4%Reduced
BNP Paribas Arbitrage, SA70,552$241.3K0.00%−104,703−59.7%Reduced
Russell Investments Group, Ltd.74,850$256.0K0.00%−1,799−2.3%Reduced
Credit Suisse AG87,681$299.9K0.00%+9,267+11.8%Added
California State Teachers Retirement System93,346$319.2K0.00%−935−1.0%Reduced
Bank of America Corp97,432$333.2K0.00%+42,345+76.9%Added
Centiva Capital, LP97,448$333.3K0.02%+97,448New
Qube Research & Technologies Ltd105,142$359.6K0.00%+105,142New
Jump Financial, LLC107,300$367.0K0.01%+80,600+301.9%Added
Ameriprise Financial Inc115,900$396.4K0.00%+45,697+65.1%Added
Rhumbline Advisers116,742$399.0K0.00%+4,004+3.6%Added
Voya Investment Management LLC121,697$416.2K0.00%00.0%Unchanged
Invesco Ltd.124,584$426.1K0.00%−99,664−44.4%Reduced
XTX Topco Ltd127,105$434.7K0.09%−58,109−31.4%Reduced
Range Financial Group LLC132,390$452.8K0.30%+132,390New
New York Life Investment Management LLC138,134$472.4K0.01%−45,451−24.8%Reduced
Mirabella Financial Services LLP138,429$473.4K0.10%+138,429New
Pacific Ridge Capital Partners, LLC139,100$475.7K0.12%−800−0.6%Reduced
Engineers Gate Manager LP147,600$504.8K0.02%+79,692+117.4%Added
White Pine Capital LLC159,522$545.6K0.21%+99,419+165.4%Added
Voce Capital Management LLC160,119$547.6K0.82%+160,119New