Who Owns RIBBON COMMUNICATIONS INC (RBBN)? -- Institutional Holders (2026-06-30)

169 institutions reported holding $292.1M of RIBBON COMMUNICATIONS INC (RBBN) in SEC 13F filings for 2026-06-30. Largest institutional holders: JPMORGAN CHASE & CO ($115.5M), NEUBERGER BERMAN GROUP LLC ($38.7M), VANGUARD GROUP INC ($19.1M), BlackRock, Inc. ($16.7M), DIMENSIONAL FUND ADVISORS LP ($14.7M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1JPMORGAN CHASE & CO$115.5M52.0MTrimmed
2NEUBERGER BERMAN GROUP LLC$38.7M18.3MAdded
3VANGUARD GROUP INC$19.1M8.2MTrimmed
4BlackRock, Inc.$16.7M7.1MAdded
5DIMENSIONAL FUND ADVISORS LP$14.7M6.3MTrimmed
6ROYCE & ASSOCIATES LP$11.9M5.1MAdded
7PARADIGM CAPITAL MANAGEMENT INC/NY$7.1M3.0MTrimmed
8GEODE CAPITAL MANAGEMENT, LLC$5.8M2.5MAdded
9Connor, Clark & Lunn Investment Management Ltd.$5.2M2.2MAdded
10STATE STREET CORP$4.5M1.9MAdded
11D. E. Shaw & Co., Inc.$4.2M1.8MAdded
12ACADIAN ASSET MANAGEMENT LLC$4.1M1.8MAdded
13AQR CAPITAL MANAGEMENT LLC$3.3M1.4MAdded
14FIRST WILSHIRE SECURITIES MANAGEMENT INC$3.3M1.4MTrimmed
15CITADEL ADVISORS LLC$3.0M1.3MAdded
16ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$2.8M1.2MTrimmed
17MARSHALL WACE, LLP$1.9M814,132Added
18Sixth Street Partners Management Company, L.P.$1.9M800,159New
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC$1.9M800,159Added
20NORTHERN TRUST CORP$1.8M749,823Added
21MILLENNIUM MANAGEMENT LLC$1.6M698,458Added
22JACOBS LEVY EQUITY MANAGEMENT, INC$1.4M582,093Trimmed
23VICTORY CAPITAL MANAGEMENT INC$1.1M456,421Added
24Silverberg Bernstein Capital Management LLC$980,046418,823Trimmed
25GOLDMAN SACHS GROUP INC$972,106415,430Trimmed

Source: SEC Form 13F filings · as of 2026-06-30