RIBBON COMMUNICATIONS INC RBBN
$2.14
-8.9% 52w: $1.95 – $4.25
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data1.953.104.25
Jun 20, 2025 Jul 2, 2026
Institutional holders
150
-3 QoQ
13F value
$268.2M
-27.4% QoQ
Smart-money holders
5
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
calls only
$512K calls / — puts
Institutional value by quarter
Number of holders
Who owns RBBN?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| JPMORGAN CHASE & CO | Bank broker | 52.0M | $108.0M | 0.0% | 0.0% |
| NEUBERGER BERMAN GROUP LLC | Diversified mechanical | 17.4M | $33.2M | 0.0% | -0.4% |
| PARADIGM CAPITAL MANAGEMENT INC/NY ★2 | Fundamental diversified | 8.0M | $17.0M | 0.7% | -3.4% |
| BlackRock, Inc. | Index provider | 6.7M | $14.3M | 0.0% | -12.3% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 6.4M | $13.5M | 0.0% | -1.9% |
| ROYCE & ASSOCIATES LP | Other | 4.9M | $10.3M | 0.1% | +5.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 4.2M | $8.9M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 3.3M | $7.1M | 0.0% | — |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 2.4M | $5.1M | 0.0% | +4.9% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 2.1M | $4.4M | 0.0% | +4.7% |
| STATE STREET CORP | Index provider | 1.9M | $4.0M | 0.0% | -9.0% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 1.5M | $3.3M | 0.0% | +57.0% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 1.4M | $3.0M | 0.0% | +89.0% |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC ★2 | Fundamental diversified | 1.4M | $3.0M | 0.7% | +11.0% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 1.3M | $2.7M | 0.0% | +155.8% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 1.2M | $2.6M | 0.0% | +18.2% |
| MARSHALL WACE, LLP | Quant stat arb | 769.8K | $1.6M | 0.0% | +343.2% |
| GOLDMAN SACHS GROUP INC | Bank broker | 744.7K | $1.6M | 0.0% | -5.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 708.2K | $1.5M | 0.0% | -7.9% |
| NORTHERN TRUST CORP | Index provider | 705.9K | $1.5M | 0.0% | -23.5% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 685.3K | $1.5M | 0.0% | -23.0% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 587.4K | $1.2M | 0.0% | — |
| CITADEL ADVISORS LLC | Multistrat pod | 575.0K | $1.2M | 0.0% | +966.7% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 491.3K | $1.0M | 0.0% | +804.7% |
| Silverberg Bernstein Capital Management LLC ★2 | Fundamental diversified | 438.1K | $929K | 0.5% | +0.5% |
| MORGAN STANLEY | Bank broker | 423.5K | $898K | 0.0% | +7.9% |
| VICTORY CAPITAL MANAGEMENT INC | Diversified mechanical | 422.4K | $895K | 0.0% | +20.8% |
| Bank of New York Mellon Corp | Diversified mechanical | 377.4K | $800K | 0.0% | -3.2% |
| Russell Investments Group, Ltd. | Diversified mechanical | 351.9K | $746K | 0.0% | +302.0% |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 292.8K | $621K | 0.0% | +1.8% |
| COMMONWEALTH EQUITY SERVICES, LLC | Wealth advisor | 284.7K | $604K | 0.0% | 0.0% |
| Pacific Ridge Capital Partners, LLC | Other | 246.2K | $522K | 0.1% | 0.0% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 212.4K | $450K | 0.0% | -0.7% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 208.2K | $441K | 0.0% | +41.0% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 207.7K | $440K | 0.0% | +38.9% |
| OP Asset Management Ltd | Other | 206.8K | $438K | 0.0% | New |
| ExodusPoint Capital Management, LP | Multistrat pod | 196.9K | $417K | 0.0% | -0.6% |
| UBS Group AG | Bank broker | 192.8K | $409K | 0.0% | +0.8% |
| Invesco Ltd. | Index provider | 181.8K | $386K | 0.0% | +7.7% |
| Nuveen, LLC | Diversified mechanical | 177.2K | $376K | 0.0% | +0.5% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 120.1K | $346K | 0.0% | +0.8% |
| XTX Topco Ltd | Market maker | 160.9K | $341K | 0.0% | +56.4% |
| EntryPoint Capital, LLC | Quant stat arb | 140.3K | $297K | 0.1% | +12.6% |
| Engineers Gate Manager LP | Diversified mechanical | 140.0K | $297K | 0.0% | +152.3% |
| LSV ASSET MANAGEMENT | Other | 135.8K | $288K | 0.0% | Held |
| RHUMBLINE ADVISERS | Diversified mechanical | 128.4K | $272K | 0.0% | +0.1% |
| Vanguard Global Advisers, LLC | Diversified mechanical | 126.3K | $268K | 0.0% | — |
| FRANKLIN RESOURCES INC | Long only active | 108.8K | $231K | 0.0% | +52.8% |
| AMERIPRISE FINANCIAL INC | Bank broker | 107.5K | $228K | 0.0% | -16.7% |
| BARCLAYS PLC | Bank broker | 101.8K | $216K | 0.0% | -49.7% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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