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 2021
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2021. 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
- 129
- +5 vs. Q3 2021
- Shares held
- 99.2M
- +2.11M (+2.2%) vs. Q3 2021
- Total value
- $600.0M
- +$19.6M (+3.4%) vs. Q3 2021
- New holders
- 20
- 45 more added
- Sold out
- 15
- 31 more reduced
Compare with Q3 2021: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 160 | $289.8M |
| Q1 2026 | 150 | $268.2M |
| Q4 2025 | 153 | $369.2M |
| Q3 2025 | 153 | $488.6M |
| Q2 2025 | 145 | $508.9M |
| Q1 2025 | 144 | $495.2M |
| Q4 2024 | 133 | $519.8M |
| Q3 2024 | 126 | $402.3M |
| Q2 2024 | 129 | $424.9M |
| Q1 2024 | 132 | $397.7M |
| Q4 2023 | 125 | $372.7M |
| Q3 2023 | 122 | $341.2M |
| Q2 2023 | 127 | $353.2M |
| Q1 2023 | 145 | $422.5M |
| Q4 2022 | 130 | $329.3M |
| Q3 2022 | 129 | $262.9M |
| Q2 2022 | 132 | $306.6M |
| Q1 2022 | 136 | $308.9M |
| Q4 2021 | 129 | $600.0M |
| Q3 2021 | 124 | $580.4M |
| Q2 2021 | 127 | $748.5M |
| Q1 2021 | 146 | $804.7M |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 21 | $0 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 12 | $0 | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 8 | $0 | 0.00% | +8 | New |
| Arlington Partners LLC | 6 | $0 | 0.00% | +6 | New |
| Paragon Capital Management Ltd | 60 | $0 | 0.00% | +60 | New |
| CoreCap Advisors, LLC | 80 | $1.00K | 0.00% | +80 | New |
| Kelly Financial Services LLC | 200 | $1.21K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 350 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 562 | $3.00K | 0.00% | 00.0% | Unchanged |
| Charter Oak Capital Management, LLC | 500 | $3.00K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 500 | $3.00K | 0.01% | +500 | New |
| Covestor Ltd | 545 | $3.00K | 0.00% | +545 | New |
| Atwood & Palmer Inc | 739 | $4.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 802 | $5.00K | 0.00% | +714+811.4% | Added |
| Captrust Financial Advisors | 1,183 | $7.00K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,400 | $8.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,348 | $14.0K | 0.00% | −3,460−59.6% | Reduced |
| Cutler Group LP | 2,830 | $17.0K | 0.00% | −610−17.7% | Reduced |
| US Bancorp | 2,656 | $17.0K | 0.00% | +532+25.0% | Added |
| Great West Life Assurance Co | 3,680 | $22.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 4,486 | $27.0K | 0.00% | +4,486 | New |
| Federation des caisses Desjardins du Quebec | 5,650 | $34.2K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,864 | $35.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 5,990 | $36.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 7,501 | $45.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,296 | $56.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 9,700 | $58.0K | 0.00% | −17,300−64.1% | Reduced |
| Hanlon Investment Management, Inc. | 10,000 | $60.0K | 0.01% | 00.0% | Unchanged |
| Fortis Advisors, LLC | 10,000 | $60.0K | 0.03% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 10,043 | $60.8K | 0.00% | −904−8.3% | Reduced |
| Grimes & Company, Inc. | 10,030 | $61.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 10,257 | $62.0K | 0.00% | +10,257 | New |
| MetLife Investment Management | 11,903 | $72.0K | 0.00% | −13,072−52.3% | Reduced |
| Royal Bank of Canada | 12,027 | $73.0K | 0.00% | +3,492+40.9% | Added |
| Koss-Olinger Consulting, LLC | 12,210 | $74.0K | 0.01% | +12,210 | New |
| Squarepoint Ops LLC | 14,380 | $87.0K | 0.00% | +2,485+20.9% | Added |
| Lazard Asset Management LLC | 14,825 | $89.0K | 0.00% | +14,825 | New |
| ProShare Advisors LLC | 16,026 | $97.0K | 0.00% | +16,026 | New |
| SEI Investments Co | 18,920 | $99.0K | 0.00% | +2,895+18.1% | Added |
| Wedbush Securities Inc | 17,000 | $103.0K | 0.00% | +17,000 | New |
| Teacher Retirement System of Texas | 18,579 | $112.0K | 0.00% | +3,353+22.0% | Added |
| Janus Henderson Group PLC | 19,030 | $115.0K | 0.00% | +19,030 | New |
| SG Americas Securities, LLC | 20,538 | $124.0K | 0.00% | −24,512−54.4% | Reduced |
| Ironwood Investment Management LLC | 20,431 | $124.0K | 0.06% | +527+2.6% | Added |
| Alpha Paradigm Partners, LLC | 21,314 | $129.0K | 0.05% | +21,314 | New |
| HSBC Holdings PLC | 22,872 | $139.0K | 0.00% | +2,657+13.1% | Added |
| Essex Financial Services, Inc. | 24,000 | $145.0K | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 24,700 | $149.0K | 0.00% | −8,700−26.0% | Reduced |
| HRT Financial LP | 25,446 | $153.0K | 0.00% | −8,968−26.1% | Reduced |
| Arizona State Retirement System | 25,912 | $157.0K | 0.00% | −180−0.7% | Reduced |
| Alliancebernstein L.P. | 27,151 | $164.0K | 0.00% | +30.0% | Added |
| ExodusPoint Capital Management, LP | 31,484 | $190.0K | 0.00% | +12,278+63.9% | Added |
| Legal & General Group Plc | 32,429 | $196.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 33,261 | $201.0K | 0.00% | +17,156+106.5% | Added |
| Campbell & CO Investment Adviser LLC | 35,900 | $217.0K | 0.07% | +2,900+8.8% | Added |
| HighTower Advisors, LLC | 36,768 | $221.0K | 0.00% | −1,410−3.7% | Reduced |
| American International Group, Inc. | 37,378 | $226.0K | 0.00% | −1,119−2.9% | Reduced |
| State Board of Administration of Florida Retirement System | 37,443 | $227.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 37,907 | $229.0K | 0.00% | +23,306+159.6% | Added |
| Manufacturers Life Insurance Company, The | 39,929 | $242.0K | 0.00% | −67−0.2% | Reduced |
| Panagora Asset Management Inc | 41,863 | $253.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 42,674 | $258.0K | 0.00% | −1,058−2.4% | Reduced |
| New York State Common Retirement Fund | 44,769 | $271.0K | 0.00% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 45,209 | $274.0K | 0.00% | −914−2.0% | Reduced |
| Wells Fargo & Company | 48,132 | $291.0K | 0.00% | +45,561+1,772.1% | Added |
| Millennium Management LLC | 48,753 | $295.0K | 0.00% | +48,753 | New |
| IndexIQ Advisors LLC | 51,438 | $311.0K | 0.01% | −3,324−6.1% | Reduced |
| Deutsche Bank AG | 51,603 | $312.0K | 0.00% | +1,278+2.5% | Added |
| Assenagon Asset Management S.A. | 51,651 | $312.0K | 0.00% | +51,651 | New |
| Vident Investment Advisory, LLC | 55,096 | $333.0K | 0.01% | +5,399+10.9% | Added |
| Voya Investment Management LLC | 57,633 | $349.0K | 0.00% | +10,679+22.7% | Added |
| Renaissance Technologies LLC | 58,400 | $353.0K | 0.00% | −47,700−45.0% | Reduced |
| Public Employees Retirement System of Ohio | 61,430 | $372.0K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 64,866 | $392.0K | 0.10% | 00.0% | Unchanged |
| Group One Trading, L.P. | 66,127 | $400.0K | 0.01% | −109,234−62.3% | Reduced |
| Zebra Capital Management LLC | 66,401 | $401.0K | 0.64% | −18,660−21.9% | Reduced |
| Brandes Investment Partners, LP | 66,978 | $405.0K | 0.01% | +66,978 | New |
| Palisade Capital Management LLC | 67,500 | $408.0K | 0.01% | +2,500+3.8% | Added |
| Principal Financial Group Inc | 68,826 | $416.0K | 0.00% | −37,414−35.2% | Reduced |
| Bank of America Corp | 69,060 | $417.0K | 0.00% | +25,780+59.6% | Added |
| Mackenzie Financial Corp | 70,026 | $424.0K | 0.00% | +4,415+6.7% | Added |
| Invesco Ltd. | 72,136 | $436.0K | 0.00% | −12,806−15.1% | Reduced |
| Credit Suisse AG | 75,079 | $454.0K | 0.00% | +1,435+1.9% | Added |
| Engineers Gate Manager LP | 78,578 | $475.0K | 0.02% | +78,578 | New |
| Allianz Asset Management GmbH | 80,179 | $485.0K | 0.00% | +23,978+42.7% | Added |
| UBS Asset Management Americas Inc | 86,630 | $524.1K | 0.00% | +1,916+2.3% | Added |
| Rhumbline Advisers | 97,518 | $590.0K | 0.00% | −804−0.8% | Reduced |
| Victory Capital Management Inc | 98,397 | $595.0K | 0.00% | +50,193+104.1% | Added |
| Russell Investments Group, Ltd. | 107,312 | $648.0K | 0.00% | −35,660−24.9% | Reduced |
| Barclays PLC | 107,794 | $653.0K | 0.00% | +64,433+148.6% | Added |
| Goldman Sachs Group Inc | 112,793 | $683.0K | 0.00% | +10,166+9.9% | Added |
| California State Teachers Retirement System | 119,225 | $721.0K | 0.00% | +3,135+2.7% | Added |
| Parametric Portfolio Associates LLC | 134,810 | $816.0K | 0.00% | +405+0.3% | Added |
| Pacific Ridge Capital Partners, LLC | 140,310 | $849.0K | 0.15% | 00.0% | Unchanged |
| Cowen Prime Advisors LLC | 141,219 | $854.0K | 0.29% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 142,399 | $862.0K | 0.03% | +26,977+23.4% | Added |
| Citigroup Inc | 143,617 | $869.0K | 0.00% | +11,080+8.4% | Added |
| Globeflex Capital L P | 197,647 | $1.20M | 0.24% | 00.0% | Unchanged |
| Swiss National Bank | 211,574 | $1.28M | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 214,628 | $1.30M | 0.16% | +132,444+161.2% | Added |