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 |
|---|---|---|---|---|---|
| Panagora Asset Management Inc | 190,956 | $611.1K | 0.00% | +88,852+87.0% | Added |
| Credit Suisse AG | 205,512 | $657.6K | 0.00% | −65,279−24.1% | Reduced |
| Algert Global LLC | 208,552 | $667.4K | 0.03% | −42,608−17.0% | Reduced |
| Invesco Ltd. | 229,415 | $734.1K | 0.00% | +103,690+82.5% | Added |
| Gsa Capital Partners LLP | 245,543 | $786.0K | 0.06% | +56,829+30.1% | Added |
| Squarepoint Ops LLC | 274,375 | $878.0K | 0.00% | +39,733+16.9% | Added |
| White Pine Capital LLC | 280,051 | $887.8K | 0.34% | +9,530+3.5% | Added |
| Morgan Stanley | 294,067 | $941.0K | 0.00% | −93,498−24.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 319,839 | $1.02M | 0.00% | −47,799−13.0% | Reduced |
| Victory Capital Management Inc | 321,544 | $1.03M | 0.00% | +26,441+9.0% | Added |
| D. E. Shaw & Co., Inc. | 362,064 | $1.16M | 0.00% | −68,548−15.9% | Reduced |
| Silverberg Bernstein Capital Management LLC | 396,611 | $1.27M | 1.24% | −8,982−2.2% | Reduced |
| Bank of New York Mellon Corp | 402,560 | $1.29M | 0.00% | −17,191−4.1% | Reduced |
| Nuveen Asset Management, LLC | 421,448 | $1.35M | 0.00% | −45,517−9.7% | Reduced |
| Federated Hermes, Inc. | 432,205 | $1.38M | 0.00% | +6,584+1.5% | Added |
| Charles Schwab Investment Management Inc | 694,314 | $2.22M | 0.00% | +4,051+0.6% | Added |
| Northern Trust Corp | 762,579 | $2.44M | 0.00% | −99,796−11.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 805,531 | $2.58M | 0.01% | −45,236−5.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 809,253 | $2.59M | 0.00% | +184,900+29.6% | Added |
| Brandes Investment Partners, LP | 930,779 | $2.98M | 0.04% | +289,834+45.2% | Added |
| First Wilshire Securities Management Inc | 1,174,355 | $3.76M | 1.10% | −4,993−0.4% | Reduced |
| Herald Investment Management Ltd | 1,415,869 | $4.53M | 0.73% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,700,971 | $5.44M | 0.00% | +1,700,971 | New |
| State Street Corp | 1,885,225 | $6.03M | 0.00% | +127,756+7.3% | Added |
| Royce & Associates LP | 2,015,453 | $6.45M | 0.06% | +171,009+9.3% | Added |
| Geode Capital Management, LLC | 2,040,793 | $6.53M | 0.00% | +34,105+1.7% | Added |
| Dimensional Fund Advisors LP | 5,508,444 | $17.6M | 0.00% | +352,875+6.8% | Added |
| Vanguard Group Inc | 6,932,828 | $22.2M | 0.00% | −50,384−0.7% | Reduced |
| BlackRock Inc. | 7,197,606 | $23.0M | 0.00% | −362,693−4.8% | Reduced |
| Paradigm Capital Management Inc | 10,126,400 | $32.4M | 1.55% | +1,073,800+11.9% | Added |
| Neuberger Berman Group LLC | 19,486,809 | $62.4M | 0.05% | +1,047,977+5.7% | Added |
| JPMorgan Chase & Co | 52,037,797 | $166.5M | 0.01% | +441,865+0.9% | Added |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −730,717−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −149,824−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −101,370−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −88,473−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −47,150−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −18,196−100.0% | Sold out |
| Qtron Investments LLC | 0 | $0 | 0.00% | −17,986−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −15,724−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −15,169−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −11,900−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −11,365−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |