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.
| 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, Q1 2024
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 52,037,797 | $166.5M | 0.01% | +441,865+0.9% | Added |
| Neuberger Berman Group LLC | 19,486,809 | $62.4M | 0.05% | +1,047,977+5.7% | Added |
| Paradigm Capital Management Inc | 10,126,400 | $32.4M | 1.55% | +1,073,800+11.9% | Added |
| BlackRock Inc. | 7,197,606 | $23.0M | 0.00% | −362,693−4.8% | Reduced |
| Vanguard Group Inc | 6,932,828 | $22.2M | 0.00% | −50,384−0.7% | Reduced |
| Dimensional Fund Advisors LP | 5,508,444 | $17.6M | 0.00% | +352,875+6.8% | Added |
| Geode Capital Management, LLC | 2,040,793 | $6.53M | 0.00% | +34,105+1.7% | Added |
| Royce & Associates LP | 2,015,453 | $6.45M | 0.06% | +171,009+9.3% | Added |
| State Street Corp | 1,885,225 | $6.03M | 0.00% | +127,756+7.3% | Added |
| Franklin Resources Inc | 1,700,971 | $5.44M | 0.00% | +1,700,971 | New |
| Herald Investment Management Ltd | 1,415,869 | $4.53M | 0.73% | 00.0% | Unchanged |
| First Wilshire Securities Management Inc | 1,174,355 | $3.76M | 1.10% | −4,993−0.4% | Reduced |
| Brandes Investment Partners, LP | 930,779 | $2.98M | 0.04% | +289,834+45.2% | Added |
| Arrowstreet Capital, Limited Partnership | 809,253 | $2.59M | 0.00% | +184,900+29.6% | Added |
| Jacobs Levy Equity Management, Inc | 805,531 | $2.58M | 0.01% | −45,236−5.3% | Reduced |
| Northern Trust Corp | 762,579 | $2.44M | 0.00% | −99,796−11.6% | Reduced |
| Charles Schwab Investment Management Inc | 694,314 | $2.22M | 0.00% | +4,051+0.6% | Added |
| Federated Hermes, Inc. | 432,205 | $1.38M | 0.00% | +6,584+1.5% | Added |
| Nuveen Asset Management, LLC | 421,448 | $1.35M | 0.00% | −45,517−9.7% | Reduced |
| Bank of New York Mellon Corp | 402,560 | $1.29M | 0.00% | −17,191−4.1% | Reduced |
| Silverberg Bernstein Capital Management LLC | 396,611 | $1.27M | 1.24% | −8,982−2.2% | Reduced |
| D. E. Shaw & Co., Inc. | 362,064 | $1.16M | 0.00% | −68,548−15.9% | Reduced |
| Victory Capital Management Inc | 321,544 | $1.03M | 0.00% | +26,441+9.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 319,839 | $1.02M | 0.00% | −47,799−13.0% | Reduced |
| Morgan Stanley | 294,067 | $941.0K | 0.00% | −93,498−24.1% | Reduced |
| White Pine Capital LLC | 280,051 | $887.8K | 0.34% | +9,530+3.5% | Added |
| Squarepoint Ops LLC | 274,375 | $878.0K | 0.00% | +39,733+16.9% | Added |
| Gsa Capital Partners LLP | 245,543 | $786.0K | 0.06% | +56,829+30.1% | Added |
| Invesco Ltd. | 229,415 | $734.1K | 0.00% | +103,690+82.5% | Added |
| Algert Global LLC | 208,552 | $667.4K | 0.03% | −42,608−17.0% | Reduced |
| Credit Suisse AG | 205,512 | $657.6K | 0.00% | −65,279−24.1% | Reduced |
| Panagora Asset Management Inc | 190,956 | $611.1K | 0.00% | +88,852+87.0% | Added |
| Goldman Sachs Group Inc | 187,040 | $598.5K | 0.00% | −44,337−19.2% | Reduced |
| Swiss National Bank | 185,474 | $593.5K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 177,247 | $567.2K | 0.00% | +19,684+12.5% | Added |
| Two Sigma Advisers, LP | 165,200 | $528.6K | 0.00% | −73,100−30.7% | Reduced |
| Assenagon Asset Management S.A. | 160,014 | $512.0K | 0.00% | +26,571+19.9% | Added |
| Pacific Ridge Capital Partners, LLC | 148,591 | $475.5K | 0.10% | +9,822+7.1% | Added |
| Rhumbline Advisers | 145,951 | $467.0K | 0.00% | +4,823+3.4% | Added |
| Voya Investment Management LLC | 143,649 | $459.7K | 0.00% | −5,737−3.8% | Reduced |
| Ameriprise Financial Inc | 136,294 | $436.1K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 129,782 | $415.3K | 0.00% | −56,720−30.4% | Reduced |
| Los Angeles Capital Management LLC | 120,620 | $386.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 114,885 | $367.6K | 0.00% | −59,605−34.2% | Reduced |
| UBS Group AG | 101,702 | $325.4K | 0.00% | −3,276−3.1% | Reduced |
| American Century Companies Inc | 95,756 | $306.4K | 0.00% | +52,360+120.7% | Added |
| California State Teachers Retirement System | 93,747 | $300.0K | 0.00% | −4,466−4.5% | Reduced |
| SG Capital Management LLC | 88,110 | $282.0K | 0.09% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 87,290 | $279.3K | 0.00% | −100.0% | Reduced |
| SEI Investments Co | 75,632 | $242.1K | 0.00% | +14,831+24.4% | Added |
| Citadel Advisors LLC | 75,200 | $240.6K | 0.00% | +4,738+6.7% | Added |
| XTX Topco Ltd | 75,056 | $240.2K | 0.03% | +64,352+601.2% | Added |
| Engineers Gate Manager LP | 72,384 | $231.6K | 0.01% | −391−0.5% | Reduced |
| Legal & General Group Plc | 65,828 | $210.6K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 64,866 | $207.6K | 0.04% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 63,244 | $202.4K | 0.00% | −2,730−4.1% | Reduced |
| Millennium Management LLC | 61,556 | $197.0K | 0.00% | −6,475−9.5% | Reduced |
| Susquehanna International Group, LLP | 57,297 | $183.3K | 0.00% | +19,503+51.6% | Added |
| Price T Rowe Associates Inc | 52,535 | $169.0K | 0.00% | −24,566−31.9% | Reduced |
| Russell Investments Group, Ltd. | 46,765 | $149.6K | 0.00% | −2,270−4.6% | Reduced |
| Envestnet Asset Management Inc | 46,638 | $149.2K | 0.00% | +11,131+31.3% | Added |
| Wells Fargo & Company | 45,966 | $147.1K | 0.00% | +9,643+26.5% | Added |
| ExodusPoint Capital Management, LP | 45,706 | $146.0K | 0.00% | +45,706 | New |
| BNP Paribas Arbitrage, SA | 43,790 | $140.1K | 0.00% | +19,346+79.1% | Added |
| American International Group, Inc. | 43,780 | $140.1K | 0.00% | −375−0.8% | Reduced |
| MetLife Investment Management | 42,995 | $137.6K | 0.00% | +4,700+12.3% | Added |
| HSBC Holdings PLC | 42,927 | $137.4K | 0.00% | +21,713+102.4% | Added |
| Citigroup Inc | 42,880 | $137.2K | 0.00% | +485+1.1% | Added |
| Great West Life Assurance Co | 42,808 | $137.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 37,443 | $128.1K | 0.00% | −100−0.3% | Reduced |
| Two Sigma Investments, LP | 39,112 | $125.2K | 0.00% | −6,735−14.7% | Reduced |
| Palisade Capital Management LLC | 37,500 | $120.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 36,351 | $116.5K | 0.00% | +90.0% | Added |
| Boothbay Fund Management, LLC | 36,391 | $116.5K | 0.00% | −76,907−67.9% | Reduced |
| Colony Group, LLC | 35,090 | $112.0K | 0.00% | +35,090 | New |
| Manufacturers Life Insurance Company, The | 34,573 | $110.6K | 0.00% | −3,459−9.1% | Reduced |
| SG Americas Securities, LLC | 33,479 | $107.0K | 0.00% | −16,718−33.3% | Reduced |
| Deutsche Bank AG | 30,019 | $96.1K | 0.00% | −7,708−20.4% | Reduced |
| Worth Venture Partners, LLC | 29,738 | $95.2K | 0.66% | −3,445−10.4% | Reduced |
| Arizona State Retirement System | 25,958 | $83.1K | 0.00% | −356−1.4% | Reduced |
| Jane Street Group, LLC | 24,855 | $79.5K | 0.00% | −23,047−48.1% | Reduced |
| HighTower Advisors, LLC | 25,051 | $79.0K | 0.00% | −29−0.1% | Reduced |
| Essex Financial Services, Inc. | 24,000 | $76.8K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,400 | $74.9K | 0.00% | +10,458+80.8% | Added |
| New York State Common Retirement Fund | 21,948 | $70.2K | 0.00% | −17,753−44.7% | Reduced |
| Vista Investment Partners LLC | 20,400 | $65.3K | 0.02% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 18,692 | $59.8K | 0.03% | −174−0.9% | Reduced |
| STRS Ohio | 17,600 | $56.0K | 0.00% | +17,600 | New |
| ProShare Advisors LLC | 15,961 | $51.1K | 0.00% | +1,257+8.5% | Added |
| Simplex Trading, LLC | 15,451 | $49.0K | 0.00% | +295+1.9% | Added |
| LPL Financial LLC | 15,148 | $48.5K | 0.00% | +15,148 | New |
| Dynamic Technology Lab Private Ltd | 14,858 | $48.0K | 0.01% | +14,858 | New |
| Verition Fund Management LLC | 13,900 | $44.5K | 0.00% | +13,900 | New |
| NewEdge Wealth, LLC | 13,803 | $44.3K | 0.00% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 13,803 | $44.2K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 11,000 | $35.2K | 0.00% | +11,000 | New |
| Principal Financial Group Inc | 10,413 | $33.3K | 0.00% | −798−7.1% | Reduced |
| Grimes & Company, Inc. | 10,030 | $32.1K | 0.00% | 00.0% | Unchanged |
| Innealta Capital, LLC | 10,004 | $32.0K | 0.01% | +10,004 | New |
| Fortis Advisors, LLC | 10,000 | $32.0K | 0.02% | 00.0% | Unchanged |