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.
| 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 2023
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 51,595,932 | $176.5M | 0.02% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 15,653,105 | $67.2M | 0.06% | +2,114,412+15.6% | Added |
| Paradigm Capital Management Inc | 6,678,353 | $22.8M | 1.51% | +100,453+1.5% | Added |
| BlackRock Inc. | 6,109,144 | $20.9M | 0.00% | +129,622+2.2% | Added |
| Vanguard Group Inc | 5,392,700 | $18.4M | 0.00% | +144,265+2.7% | Added |
| Dimensional Fund Advisors LP | 3,966,972 | $13.6M | 0.00% | +149,207+3.9% | Added |
| First Wilshire Securities Management Inc | 1,784,583 | $6.10M | 2.08% | +1,332+0.1% | Added |
| Geode Capital Management, LLC | 1,637,019 | $5.60M | 0.00% | +60,812+3.9% | Added |
| Putnam Investments LLC | 1,619,003 | $5.54M | 0.01% | +117,749+7.8% | Added |
| State Street Corp | 1,612,543 | $5.51M | 0.00% | −31,503−1.9% | Reduced |
| Millennium Management LLC | 1,564,281 | $5.35M | 0.01% | +1,223,536+359.1% | Added |
| Penserra Capital Management LLC | 1,473,168 | $5.04M | 0.10% | −88,519−5.7% | Reduced |
| AMH Equity Ltd | 1,440,000 | $4.92M | 6.71% | −184,101−11.3% | Reduced |
| Herald Investment Management Ltd | 1,415,869 | $4.83M | 1.07% | +200.0% | Added |
| Intrinsic Edge Capital Management LLC | 1,310,717 | $4.48M | 0.45% | −328,627−20.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 967,361 | $3.31M | 0.02% | −47,116−4.6% | Reduced |
| D. E. Shaw & Co., Inc. | 967,307 | $3.31M | 0.01% | +120,528+14.2% | Added |
| Arrowstreet Capital, Limited Partnership | 902,256 | $3.09M | 0.00% | +434,742+93.0% | Added |
| Nuveen Asset Management, LLC | 663,904 | $2.27M | 0.00% | −25,693−3.7% | Reduced |
| Northern Trust Corp | 660,691 | $2.26M | 0.00% | −35,297−5.1% | Reduced |
| Charles Schwab Investment Management Inc | 621,397 | $2.13M | 0.00% | −22,019−3.4% | Reduced |
| Royce & Associates LP | 576,500 | $1.97M | 0.02% | +576,500 | New |
| Citadel Advisors LLC | 539,327 | $1.84M | 0.00% | +499,792+1,264.2% | Added |
| Goldman Sachs Group Inc | 518,245 | $1.77M | 0.00% | +313,302+152.9% | Added |
| Federated Hermes, Inc. | 423,183 | $1.45M | 0.00% | −319,302−43.0% | Reduced |
| Two Sigma Investments, LP | 405,990 | $1.39M | 0.00% | +60,441+17.5% | Added |
| HRT Financial LP | 367,742 | $1.26M | 0.02% | +367,742 | New |
| Brandes Investment Partners, LP | 347,204 | $1.19M | 0.03% | +295,995+578.0% | Added |
| Jane Street Group, LLC | 309,673 | $1.06M | 0.00% | +289,502+1,435.2% | Added |
| Kennedy Capital Management, Inc. | 309,625 | $1.06M | 0.03% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 306,023 | $1.05M | 0.01% | +103,511+51.1% | Added |
| Westerly Capital Management, LLC | 300,000 | $1.03M | 0.74% | −225,000−42.9% | Reduced |
| Two Sigma Advisers, LP | 298,100 | $1.02M | 0.00% | +83,200+38.7% | Added |
| Cowen Prime Advisors LLC | 386,603 | $990.0K | 0.40% | −6,800−1.7% | Reduced |
| Bank of New York Mellon Corp | 276,326 | $945.0K | 0.00% | −4,626−1.6% | Reduced |
| Acadian Asset Management LLC | 276,904 | $944.0K | 0.00% | +241,900+691.1% | Added |
| Morgan Stanley | 272,309 | $931.3K | 0.00% | +38,808+16.6% | Added |
| Boothbay Fund Management, LLC | 225,426 | $771.0K | 0.02% | −176,169−43.9% | Reduced |
| Squarepoint Ops LLC | 218,285 | $746.5K | 0.01% | +218,285 | New |
| SG Capital Management LLC | 198,189 | $677.8K | 0.25% | +198,189 | New |
| Susquehanna International Group, LLP | 192,463 | $658.2K | 0.00% | +164,247+582.1% | Added |
| Assenagon Asset Management S.A. | 185,351 | $633.9K | 0.00% | +120,874+187.5% | Added |
| Los Angeles Capital Management LLC | 172,775 | $590.9K | 0.00% | +172,775 | New |
| Panagora Asset Management Inc | 171,564 | $586.7K | 0.00% | +1,637+1.0% | Added |
| Swiss National Bank | 163,274 | $558.4K | 0.00% | −18,800−10.3% | Reduced |
| Voce Capital Management LLC | 160,119 | $547.6K | 0.82% | +160,119 | New |
| White Pine Capital LLC | 159,522 | $545.6K | 0.21% | +99,419+165.4% | Added |
| Engineers Gate Manager LP | 147,600 | $504.8K | 0.02% | +79,692+117.4% | Added |
| Pacific Ridge Capital Partners, LLC | 139,100 | $475.7K | 0.12% | −800−0.6% | Reduced |
| Mirabella Financial Services LLP | 138,429 | $473.4K | 0.10% | +138,429 | New |
| New York Life Investment Management LLC | 138,134 | $472.4K | 0.01% | −45,451−24.8% | Reduced |
| Range Financial Group LLC | 132,390 | $452.8K | 0.30% | +132,390 | New |
| XTX Topco Ltd | 127,105 | $434.7K | 0.09% | −58,109−31.4% | Reduced |
| Invesco Ltd. | 124,584 | $426.1K | 0.00% | −99,664−44.4% | Reduced |
| Voya Investment Management LLC | 121,697 | $416.2K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 116,742 | $399.0K | 0.00% | +4,004+3.6% | Added |
| Ameriprise Financial Inc | 115,900 | $396.4K | 0.00% | +45,697+65.1% | Added |
| Jump Financial, LLC | 107,300 | $367.0K | 0.01% | +80,600+301.9% | Added |
| Qube Research & Technologies Ltd | 105,142 | $359.6K | 0.00% | +105,142 | New |
| Centiva Capital, LP | 97,448 | $333.3K | 0.02% | +97,448 | New |
| Bank of America Corp | 97,432 | $333.2K | 0.00% | +42,345+76.9% | Added |
| California State Teachers Retirement System | 93,346 | $319.2K | 0.00% | −935−1.0% | Reduced |
| Credit Suisse AG | 87,681 | $299.9K | 0.00% | +9,267+11.8% | Added |
| Russell Investments Group, Ltd. | 74,850 | $256.0K | 0.00% | −1,799−2.3% | Reduced |
| BNP Paribas Arbitrage, SA | 70,552 | $241.3K | 0.00% | −104,703−59.7% | Reduced |
| Price T Rowe Associates Inc | 70,071 | $240.0K | 0.00% | −7,309−9.4% | Reduced |
| Tudor Investment Corp Et Al | 69,022 | $236.0K | 0.00% | −60,304−46.6% | Reduced |
| UBS Asset Management Americas Inc | 68,540 | $234.4K | 0.00% | +3,699+5.7% | Added |
| Meridian Wealth Advisors, LLC | 64,866 | $221.8K | 0.06% | 00.0% | Unchanged |
| Quantbot Technologies LP | 59,615 | $203.9K | 0.01% | +21,149+55.0% | Added |
| Deutsche Bank AG | 58,698 | $200.7K | 0.00% | +14,822+33.8% | Added |
| Zebra Capital Management LLC | 57,277 | $196.0K | 0.98% | +57,277 | New |
| Alliancebernstein L.P. | 55,125 | $188.5K | 0.00% | +2,272+4.3% | Added |
| Simplex Trading, LLC | 54,558 | $186.0K | 0.01% | +54,549+606,100.0% | Added |
| ExodusPoint Capital Management, LP | 53,762 | $184.0K | 0.00% | +53,762 | New |
| Public Employees Retirement System of Ohio | 50,066 | $171.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 47,716 | $163.2K | 0.00% | +17,299+56.9% | Added |
| Worth Venture Partners, LLC | 45,000 | $153.9K | 0.08% | +16,000+55.2% | Added |
| CIBC World Markets Inc. | 44,684 | $153.0K | 0.00% | +44,684 | New |
| SG Americas Securities, LLC | 44,022 | $151.0K | 0.00% | −27,649−38.6% | Reduced |
| Renaissance Technologies LLC | 40,900 | $140.0K | 0.00% | −35,300−46.3% | Reduced |
| Gsa Capital Partners LLP | 40,657 | $139.0K | 0.01% | +5,036+14.1% | Added |
| Palisade Capital Management LLC | 40,015 | $136.9K | 0.00% | −29,985−42.8% | Reduced |
| MetLife Investment Management | 38,295 | $131.0K | 0.00% | +20,534+115.6% | Added |
| State Board of Administration of Florida Retirement System | 37,443 | $128.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 36,317 | $124.2K | 0.00% | −2,534−6.5% | Reduced |
| Janus Henderson Group PLC | 36,181 | $123.6K | 0.00% | +17,586+94.6% | Added |
| American International Group, Inc. | 34,899 | $119.4K | 0.00% | +694+2.0% | Added |
| UBS Group AG | 33,671 | $115.2K | 0.00% | +6,035+21.8% | Added |
| Legal & General Group Plc | 33,378 | $114.2K | 0.00% | +3,075+10.1% | Added |
| Manufacturers Life Insurance Company, The | 33,030 | $113.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 32,557 | $111.3K | 0.00% | −12,223−27.3% | Reduced |
| Dynamic Technology Lab Private Ltd | 30,963 | $106.0K | 0.01% | +30,963 | New |
| Scotia Capital Inc. | 28,701 | $98.2K | 0.00% | +28,701 | New |
| HSBC Holdings PLC | 27,181 | $91.3K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 25,928 | $88.7K | 0.00% | +5,371+26.1% | Added |
| Cubist Systematic Strategies, LLC | 25,522 | $87.3K | 0.00% | +25,522 | New |
| HighTower Advisors, LLC | 24,947 | $85.0K | 0.00% | −49−0.2% | Reduced |
| Essex Financial Services, Inc. | 24,000 | $82.1K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 21,921 | $75.0K | 0.00% | +649+3.1% | Added |